./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor209763363 <...> nified/syz1", "./cgroup" [pid 4877] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] chdir("./223" [pid 4879] setpgid(0, 0 [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... mmap resumed>) = 0x20002000 [pid 4876] close(12 [pid 4875] close(26 [pid 4880] <... chdir resumed>) = 0 [pid 4879] <... setpgid resumed>) = 0 [pid 4878] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4877] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4879] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... mmap resumed>) = 0x20000000 [pid 4880] <... prctl resumed>) = 0 [pid 4879] <... symlink resumed>) = 0 [pid 4878] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4877] close(3 [pid 4876] close(13 [pid 4875] close(27 [pid 4880] setpgid(0, 0 [pid 4879] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... setpgid resumed>) = 0 [pid 4879] <... symlink resumed>) = 0 [pid 4878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4877] close(4 [pid 4876] close(14 [pid 4875] close(28 [pid 4880] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4879] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4878] <... openat resumed>) = 3 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... symlink resumed>) = 0 [pid 4879] <... symlink resumed>) = 0 [pid 4878] write(3, "1000", 4 [pid 4877] close(5 [pid 4876] close(15 [pid 4880] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4878] <... write resumed>) = 4 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] close(29 [pid 4880] <... symlink resumed>) = 0 [pid 4879] <... openat resumed>) = 3 [pid 4878] close(3 [pid 4877] close(6 [pid 4876] close(16 [pid 4875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4879] write(3, "1000", 4 [pid 4878] <... close resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] exit_group(0 [pid 4880] <... symlink resumed>) = 0 [pid 4879] <... write resumed>) = 4 [pid 4878] read(200, [pid 4877] close(7 [pid 4876] close(17 [pid 4875] <... exit_group resumed>) = ? [pid 4880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4879] close(3 [pid 4878] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = 0 [pid 4878] symlink("/dev/binderfs", "./binderfs" [pid 4877] close(8 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] read(200, [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... openat resumed>) = 3 [pid 4879] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4878] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4877] close(9 [pid 4876] close(18 [pid 4875] +++ exited with 0 +++ [pid 4880] write(3, "1000", 4 [pid 4879] symlink("/dev/binderfs", "./binderfs" [pid 4878] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... write resumed>) = 4 [pid 4879] <... symlink resumed>) = 0 [pid 4878] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4877] close(10 [pid 4876] close(19 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4880] close(3 [pid 4879] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4878] <... mmap resumed>) = 0x20002000 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = 0 [pid 4878] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4877] close(11 [pid 4876] close(20 [pid 4880] read(200, [pid 4879] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4878] <... mmap resumed>) = 0x20000000 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4879] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(21 [pid 4880] symlink("/dev/binderfs", "./binderfs" [pid 4879] <... mmap resumed>) = 0x20002000 [pid 4878] close(3 [pid 4877] close(12 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... symlink resumed>) = 0 [pid 4876] close(22 [pid 4880] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4879] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4878] <... close resumed>) = 0 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4876] close(23 [pid 4880] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4879] <... mmap resumed>) = 0x20000000 [pid 4878] close(4 [pid 4877] close(13 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4880] <... mmap resumed>) = 0x20002000 [pid 4879] close(3 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(24 [pid 4880] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4880] <... mmap resumed>) = 0x20000000 [pid 4876] close(25 [pid 4880] close(3 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = 0 [pid 4876] close(26 [pid 4880] close(4 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(14 [pid 4876] close(27 [pid 4878] close(5 [pid 3499] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4880] close(5 [pid 4879] <... close resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] close(4 [pid 4878] close(6 [pid 4877] close(15 [pid 4876] close(28 [pid 3499] <... openat resumed>) = 3 [pid 4880] close(6 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(7 [pid 4877] close(16 [pid 4876] close(29 [pid 3499] fstat(3, [pid 4880] close(7 [pid 4879] close(5 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] exit_group(0 [pid 4878] close(8 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4880] close(8 [pid 4879] close(6 [pid 4877] close(17 [pid 4876] <... exit_group resumed>) = ? [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 4880] close(9 [pid 4879] close(7 [pid 4878] close(9 [pid 4877] close(18 [pid 4876] +++ exited with 0 +++ [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] close(10) = -1 EBADF (Bad file descriptor) [pid 4880] close(11) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4880] close(12 [pid 4879] close(8 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(10 [pid 4877] close(19 [pid 3501] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./212/binderfs", [pid 4880] close(13 [pid 4879] close(9 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(11 [pid 4877] close(20 [pid 3501] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] unlink("./212/binderfs" [pid 4880] close(14 [pid 4879] close(10 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(12 [pid 4877] close(21 [pid 3501] fstat(3, [pid 3499] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4880] close(15 [pid 4879] close(11 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(13 [pid 4877] close(22 [pid 3501] getdents64(3, [pid 3499] lstat("./212/cgroup.net", [pid 4880] close(16 [pid 4879] close(12 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(14 [pid 4877] close(23 [pid 3501] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./212/cgroup.net" [pid 4880] close(17 [pid 4879] close(13 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(15 [pid 4877] close(24 [pid 3501] lstat("./219/binderfs", [pid 3499] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4880] close(18 [pid 4879] close(14 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(16 [pid 4877] close(25 [pid 3501] unlink("./219/binderfs" [pid 3499] lstat("./212/cgroup.cpu", [pid 4880] close(19 [pid 4879] close(15 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(17 [pid 4877] close(26 [pid 3501] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./212/cgroup.cpu" [pid 4880] close(20 [pid 4879] close(16 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(18 [pid 4877] close(27 [pid 3501] lstat("./219/cgroup.net", [pid 3499] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4880] close(21 [pid 4879] close(17 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(19 [pid 4877] close(28 [pid 3501] unlink("./219/cgroup.net" [pid 3499] lstat("./212/cgroup", [pid 4880] close(22 [pid 4879] close(18 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(20 [pid 4877] close(29 [pid 3501] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./212/cgroup" [pid 4880] close(23 [pid 4879] close(19 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(21 [pid 4877] exit_group(0 [pid 3501] lstat("./219/cgroup.cpu", [pid 3499] getdents64(3, [pid 4880] close(24 [pid 4879] close(20 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... exit_group resumed>) = ? [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(22 [pid 4877] +++ exited with 0 +++ [pid 3501] unlink("./219/cgroup.cpu" [pid 3499] close(3 [pid 4880] close(25 [pid 4879] close(21 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(23 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./212" [pid 4880] close(26 [pid 4879] close(22 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... rmdir resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(24 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3501] lstat("./219/cgroup", [pid 3499] mkdir("./213", 0777 [pid 4880] close(27 [pid 4879] close(23 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(25 [pid 3501] unlink("./219/cgroup" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4881 attached [pid 4880] close(28 [pid 4879] close(24 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 4881] set_robust_list(0x5555573195e0, 24 [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 215 [pid 4881] <... set_robust_list resumed>) = 0 [pid 4880] close(29 [pid 4879] close(25 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4881] chdir("./213" [pid 4880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(27 [pid 3504] <... openat resumed>) = 3 [pid 3501] close(3 [pid 4881] <... chdir resumed>) = 0 [pid 4880] exit_group(0 [pid 4879] close(26 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3501] <... close resumed>) = 0 [pid 4881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4880] <... exit_group resumed>) = ? [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(28 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] rmdir("./219" [pid 4881] <... prctl resumed>) = 0 [pid 4880] +++ exited with 0 +++ [pid 4879] close(27 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] <... rmdir resumed>) = 0 [pid 4881] setpgid(0, 0 [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] mkdir("./220", 0777 [pid 4881] <... setpgid resumed>) = 0 [pid 4879] close(28 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... mkdir resumed>) = 0 [pid 4881] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4882 attached [pid 4881] <... symlink resumed>) = 0 [pid 4879] close(29 [pid 4878] <... exit_group resumed>) = ? [pid 3504] lstat("./227/binderfs", [pid 4882] set_robust_list(0x5555573195e0, 24 [pid 4881] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4881] <... symlink resumed>) = 0 [pid 4879] exit_group(0 [pid 4878] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4881] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4879] <... exit_group resumed>) = ? [pid 3504] unlink("./227/binderfs" [pid 3502] fstat(3, [pid 4882] <... set_robust_list resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 222 [pid 4881] <... symlink resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4882] chdir("./220" [pid 4881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4879] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 4882] <... chdir resumed>) = 0 [pid 4881] <... openat resumed>) = 3 [pid 3504] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4881] write(3, "1000", 4 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4882] <... prctl resumed>) = 0 [pid 4881] <... write resumed>) = 4 [pid 3504] lstat("./227/cgroup.net", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4882] setpgid(0, 0 [pid 4881] close(3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] lstat("./223/binderfs", [pid 3500] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4882] <... setpgid resumed>) = 0 [pid 4881] <... close resumed>) = 0 [pid 3504] unlink("./227/cgroup.net" [pid 3503] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4882] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4881] read(200, [pid 3502] unlink("./223/binderfs" [pid 3500] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4882] <... symlink resumed>) = 0 [pid 4881] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... unlink resumed>) = 0 [pid 3503] fstat(3, [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 4882] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4881] symlink("/dev/binderfs", "./binderfs" [pid 3504] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 4882] <... symlink resumed>) = 0 [pid 4881] <... symlink resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 4882] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4881] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] lstat("./227/cgroup.cpu", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4882] <... symlink resumed>) = 0 [pid 4881] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4881] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] unlink("./227/cgroup.cpu" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./223/cgroup.net", [pid 3500] getdents64(3, [pid 4882] <... openat resumed>) = 3 [pid 4881] <... mmap resumed>) = 0x20002000 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./225/binderfs", [pid 4882] write(3, "1000", 4 [pid 4881] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4882] <... write resumed>) = 4 [pid 4881] <... mmap resumed>) = 0x20000000 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./225/binderfs" [pid 4882] close(3 [pid 4881] close(3 [pid 3504] lstat("./227/cgroup", [pid 3503] <... unlink resumed>) = 0 [pid 4882] <... close resumed>) = 0 [pid 4881] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./223/cgroup.net" [pid 3500] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4882] read(200, [pid 4881] close(4 [pid 3504] unlink("./227/cgroup" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4882] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./225/cgroup.net", [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4882] symlink("/dev/binderfs", "./binderfs" [pid 4881] close(5 [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./216/binderfs", [pid 4882] <... symlink resumed>) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] unlink("./225/cgroup.net" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4882] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4881] close(6 [pid 3504] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./223/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4882] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4882] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4881] close(7 [pid 3504] rmdir("./227" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./216/binderfs" [pid 4882] <... mmap resumed>) = 0x20002000 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] lstat("./225/cgroup.cpu", [pid 4882] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4881] close(8 [pid 3504] mkdir("./228", 0777 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./223/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 4882] <... mmap resumed>) = 0x20000000 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3503] unlink("./225/cgroup.cpu" [pid 4882] close(3 [pid 4881] close(9 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4883 attached [pid 4882] <... close resumed>) = 0 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4882] close(4 [pid 4881] close(10 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 230 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4883] set_robust_list(0x5555573195e0, 24 [pid 3502] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./225/cgroup", [pid 4883] <... set_robust_list resumed>) = 0 [pid 4882] close(5 [pid 4881] close(11 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./216/cgroup.net", [pid 4883] chdir("./228" [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] lstat("./223/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4883] <... chdir resumed>) = 0 [pid 4882] close(6 [pid 4881] close(12 [pid 3503] unlink("./225/cgroup" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./216/cgroup.net" [pid 4883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] unlink("./223/cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 4883] <... prctl resumed>) = 0 [pid 4882] close(7 [pid 4881] close(13 [pid 3503] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 4883] setpgid(0, 0 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] getdents64(3, [pid 3500] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4883] <... setpgid resumed>) = 0 [pid 4882] close(8 [pid 4881] close(14 [pid 3503] close(3 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4883] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3502] close(3 [pid 3500] lstat("./216/cgroup.cpu", [pid 4883] <... symlink resumed>) = 0 [pid 4882] close(9 [pid 4881] close(15 [pid 3503] rmdir("./225" [pid 3502] <... close resumed>) = 0 [pid 4883] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4883] <... symlink resumed>) = 0 [pid 4882] close(10 [pid 3500] unlink("./216/cgroup.cpu" [pid 4883] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 4883] <... symlink resumed>) = 0 [pid 3500] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(16 [pid 3503] mkdir("./226", 0777 [pid 3502] rmdir("./223" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4883] <... openat resumed>) = 3 [pid 4882] close(11 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] lstat("./216/cgroup", [pid 4883] write(3, "1000", 4 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(17 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] mkdir("./224", 0777./strace-static-x86_64: Process 4884 attached [pid 4883] <... write resumed>) = 4 [pid 4882] close(12 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4884] set_robust_list(0x5555573195e0, 24 [pid 4883] close(3 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(18 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 228 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] unlink("./216/cgroup" [pid 4884] <... set_robust_list resumed>) = 0 [pid 4883] <... close resumed>) = 0 [pid 4882] close(13 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4885 attached [pid 4884] chdir("./226" [pid 4883] read(200, [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(19 [pid 3500] <... unlink resumed>) = 0 [pid 4885] set_robust_list(0x5555573195e0, 24 [pid 4884] <... chdir resumed>) = 0 [pid 4883] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4882] close(14 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 226 [pid 3500] getdents64(3, [pid 4885] <... set_robust_list resumed>) = 0 [pid 4884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4883] symlink("/dev/binderfs", "./binderfs" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4885] chdir("./224" [pid 4884] <... prctl resumed>) = 0 [pid 4883] <... symlink resumed>) = 0 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(20 [pid 3500] close(3 [pid 4885] <... chdir resumed>) = 0 [pid 4884] setpgid(0, 0 [pid 4883] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4882] close(15 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 4885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4884] <... setpgid resumed>) = 0 [pid 4883] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(21 [pid 3500] rmdir("./216" [pid 4885] <... prctl resumed>) = 0 [pid 4884] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4883] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4882] close(16 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 4885] setpgid(0, 0 [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... mmap resumed>) = 0x20002000 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./217", 0777 [pid 4885] <... setpgid resumed>) = 0 [pid 4884] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4883] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4882] close(17 [pid 4881] close(22 [pid 3500] <... mkdir resumed>) = 0 [pid 4885] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... mmap resumed>) = 0x20000000 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4885] <... symlink resumed>) = 0 [pid 4884] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4883] close(3 [pid 4882] close(18 [pid 4881] close(23./strace-static-x86_64: Process 4886 attached [pid 4885] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... close resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 219 [pid 4886] set_robust_list(0x5555573195e0, 24 [pid 4885] <... symlink resumed>) = 0 [pid 4884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4883] close(4 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... set_robust_list resumed>) = 0 [pid 4885] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4884] <... openat resumed>) = 3 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(19 [pid 4881] close(24 [pid 4886] chdir("./217" [pid 4885] <... symlink resumed>) = 0 [pid 4884] write(3, "1000", 4 [pid 4883] close(5 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... chdir resumed>) = 0 [pid 4885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4884] <... write resumed>) = 4 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(20 [pid 4881] close(25 [pid 4886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4885] <... openat resumed>) = 3 [pid 4884] close(3 [pid 4883] close(6 [pid 4886] <... prctl resumed>) = 0 [pid 4885] write(3, "1000", 4 [pid 4884] <... close resumed>) = 0 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] setpgid(0, 0 [pid 4885] <... write resumed>) = 4 [pid 4884] read(200, [pid 4883] close(7 [pid 4886] <... setpgid resumed>) = 0 [pid 4885] close(3 [pid 4884] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(21 [pid 4881] close(26 [pid 4886] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4885] <... close resumed>) = 0 [pid 4884] symlink("/dev/binderfs", "./binderfs" [pid 4883] close(8 [pid 4886] <... symlink resumed>) = 0 [pid 4885] read(200, [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4885] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4884] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4883] close(9 [pid 4885] symlink("/dev/binderfs", "./binderfs" [pid 4884] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(22 [pid 4881] close(27 [pid 4886] <... symlink resumed>) = 0 [pid 4885] <... symlink resumed>) = 0 [pid 4884] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4883] close(10 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4885] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4884] <... mmap resumed>) = 0x20002000 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... symlink resumed>) = 0 [pid 4885] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4884] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4883] close(11 [pid 4882] close(23 [pid 4881] close(28 [pid 4886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4885] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4884] <... mmap resumed>) = 0x20000000 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... openat resumed>) = 3 [pid 4885] <... mmap resumed>) = 0x20002000 [pid 4884] close(3 [pid 4883] close(12 [pid 4882] close(24 [pid 4885] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4884] <... close resumed>) = 0 [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] close(29 [pid 4885] <... mmap resumed>) = 0x20000000 [pid 4884] close(4 [pid 4883] close(13 [pid 4881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] write(3, "1000", 4 [pid 4885] close(3 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... write resumed>) = 4 [pid 4885] <... close resumed>) = 0 [pid 4884] close(5 [pid 4883] close(14 [pid 4882] close(25 [pid 4881] exit_group(0 [pid 4886] close(3 [pid 4885] close(4 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... exit_group resumed>) = ? [pid 4886] <... close resumed>) = 0 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(6 [pid 4883] close(15 [pid 4882] close(26 [pid 4885] close(5 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(7 [pid 4883] close(16 [pid 4885] close(6 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] read(200, [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(8 [pid 4883] close(17 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4885] close(7 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(27 [pid 4886] symlink("/dev/binderfs", "./binderfs" [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(9 [pid 4883] close(18 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] +++ exited with 0 +++ [pid 4886] <... symlink resumed>) = 0 [pid 4885] close(8 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(28 [pid 4886] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(10 [pid 4883] close(19 [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4885] close(9 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] close(29 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4886] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(11 [pid 4883] close(20 [pid 4886] <... mmap resumed>) = 0x20002000 [pid 4885] close(10 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 4886] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(12 [pid 4883] close(21 [pid 3499] <... restart_syscall resumed>) = 0 [pid 4886] <... mmap resumed>) = 0x20000000 [pid 4885] close(11 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] exit_group(0 [pid 4886] close(3 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(13 [pid 4883] close(22 [pid 4882] <... exit_group resumed>) = ? [pid 4886] <... close resumed>) = 0 [pid 4885] close(12 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(14 [pid 4883] close(23 [pid 4885] close(13 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] close(4 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(15 [pid 4883] close(24 [pid 3499] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(14 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] +++ exited with 0 +++ [pid 4886] close(5 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(16 [pid 4883] close(25 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4885] close(15 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(17 [pid 4883] close(26 [pid 4886] close(6 [pid 4885] close(16 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(18 [pid 4883] close(27 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4886] close(7 [pid 4885] close(17 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... openat resumed>) = 3 [pid 3501] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(19 [pid 4883] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] fstat(3, [pid 4886] close(8 [pid 4885] close(18 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(20 [pid 4883] close(29 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 4886] close(9 [pid 4885] close(19 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(21 [pid 4883] exit_group(0 [pid 3501] fstat(3, [pid 3499] getdents64(3, [pid 4886] close(10 [pid 4885] close(20 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... exit_group resumed>) = ? [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(22 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4886] close(11 [pid 3501] getdents64(3, [pid 3499] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(21 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] +++ exited with 0 +++ [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4886] close(12 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(23 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./213/binderfs", [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(22 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4886] close(13 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(24 [pid 3501] lstat("./220/binderfs", [pid 3499] unlink("./213/binderfs" [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(23 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4886] close(14 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./220/binderfs" [pid 3499] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4886] close(15 [pid 4885] close(24 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3501] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./213/cgroup.net", [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(26 [pid 3504] fstat(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4886] close(16 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./220/cgroup.net", [pid 3499] unlink("./213/cgroup.net" [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(25 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4886] close(17 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./220/cgroup.net" [pid 3499] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(26 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4886] close(18 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./213/cgroup.cpu", [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./228/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4886] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./220/cgroup.cpu", [pid 3499] unlink("./213/cgroup.cpu" [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(27 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./228/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4886] close(20 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./220/cgroup.cpu" [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(28 [pid 4884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 4886] close(21 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(29 [pid 4884] <... exit_group resumed>) = ? [pid 3504] lstat("./228/cgroup.net", [pid 4886] close(22 [pid 4885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./213/cgroup", [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] exit_group(0 [pid 3504] unlink("./228/cgroup.net" [pid 3501] lstat("./220/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4886] close(23 [pid 4885] <... exit_group resumed>) = ? [pid 4884] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./213/cgroup" [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] unlink("./220/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 4886] close(24 [pid 4885] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./228/cgroup.cpu", [pid 3501] getdents64(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4886] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] close(3 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./228/cgroup.cpu" [pid 3501] close(3 [pid 3499] <... close resumed>) = 0 [pid 4886] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3499] rmdir("./213" [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./220" [pid 3499] <... rmdir resumed>) = 0 [pid 4886] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... rmdir resumed>) = 0 [pid 3499] mkdir("./214", 0777 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./228/cgroup", [pid 3503] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] mkdir("./221", 0777 [pid 3499] <... mkdir resumed>) = 0 [pid 4886] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] fstat(3, [pid 3502] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... mkdir resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./228/cgroup" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4887 attached ./strace-static-x86_64: Process 4888 attached [pid 4886] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] fstat(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 216 [pid 4887] set_robust_list(0x5555573195e0, 24 [pid 4886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 223 [pid 4888] set_robust_list(0x5555573195e0, 24 [pid 4887] <... set_robust_list resumed>) = 0 [pid 4886] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 4888] <... set_robust_list resumed>) = 0 [pid 4887] chdir("./214" [pid 4886] <... exit_group resumed>) = ? [pid 3504] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4888] chdir("./221" [pid 4887] <... chdir resumed>) = 0 [pid 3502] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] <... prctl resumed>) = 0 [pid 3502] lstat("./224/binderfs", [pid 4887] setpgid(0, 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4887] <... setpgid resumed>) = 0 [pid 4886] +++ exited with 0 +++ [pid 4888] <... chdir resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3503] lstat("./226/binderfs", [pid 3502] unlink("./224/binderfs" [pid 4888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4887] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3504] rmdir("./228" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 4888] <... prctl resumed>) = 0 [pid 4887] <... symlink resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] unlink("./226/binderfs" [pid 3502] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4888] setpgid(0, 0 [pid 4887] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3504] mkdir("./229", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 4888] <... setpgid resumed>) = 0 [pid 4887] <... symlink resumed>) = 0 [pid 3502] lstat("./224/cgroup.net", [pid 3500] <... restart_syscall resumed>) = 0 [pid 4888] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4887] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4888] <... symlink resumed>) = 0 [pid 4887] <... symlink resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./224/cgroup.net" [pid 4888] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] lstat("./226/cgroup.net", [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] <... openat resumed>) = 3 [pid 3502] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4889 attached [pid 4887] write(3, "1000", 4 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4889] set_robust_list(0x5555573195e0, 24 [pid 4888] <... symlink resumed>) = 0 [pid 4887] <... write resumed>) = 4 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 231 [pid 3503] unlink("./226/cgroup.net" [pid 3502] lstat("./224/cgroup.cpu", [pid 3500] <... openat resumed>) = 3 [pid 4889] <... set_robust_list resumed>) = 0 [pid 4888] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4887] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 4889] chdir("./229" [pid 4888] <... symlink resumed>) = 0 [pid 4887] <... close resumed>) = 0 [pid 3503] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./224/cgroup.cpu" [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4889] <... chdir resumed>) = 0 [pid 4887] read(200, [pid 3502] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 4889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4887] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4889] <... prctl resumed>) = 0 [pid 4887] symlink("/dev/binderfs", "./binderfs" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4889] setpgid(0, 0 [pid 4887] <... symlink resumed>) = 0 [pid 3502] lstat("./224/cgroup", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4889] <... setpgid resumed>) = 0 [pid 4887] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] lstat("./217/binderfs", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4889] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4887] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3503] lstat("./226/cgroup.cpu", [pid 3502] unlink("./224/cgroup" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4889] <... symlink resumed>) = 0 [pid 4888] <... openat resumed>) = 3 [pid 4887] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] unlink("./217/binderfs" [pid 4889] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4888] write(3, "1000", 4 [pid 4887] <... mmap resumed>) = 0x20002000 [pid 3503] unlink("./226/cgroup.cpu" [pid 3502] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 4889] <... symlink resumed>) = 0 [pid 4887] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4889] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4888] <... write resumed>) = 4 [pid 4887] <... mmap resumed>) = 0x20000000 [pid 3503] <... unlink resumed>) = 0 [pid 3502] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4889] <... symlink resumed>) = 0 [pid 4888] close(3 [pid 4887] close(3 [pid 3502] <... close resumed>) = 0 [pid 3500] lstat("./217/cgroup.net", [pid 4889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4888] <... close resumed>) = 0 [pid 4887] <... close resumed>) = 0 [pid 3503] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] rmdir("./224" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4889] <... openat resumed>) = 3 [pid 4888] read(200, [pid 4887] close(4 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 3500] unlink("./217/cgroup.net" [pid 4889] write(3, "1000", 4 [pid 4888] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./225", 0777 [pid 3500] <... unlink resumed>) = 0 [pid 4889] <... write resumed>) = 4 [pid 4888] symlink("/dev/binderfs", "./binderfs" [pid 4887] close(5 [pid 3503] lstat("./226/cgroup", [pid 3502] <... mkdir resumed>) = 0 [pid 3500] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4889] close(3 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4889] <... close resumed>) = 0 [pid 4888] <... symlink resumed>) = 0 [pid 4887] close(6 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] lstat("./217/cgroup.cpu", ./strace-static-x86_64: Process 4890 attached [pid 4889] read(200, [pid 4888] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./226/cgroup" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 227 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4890] set_robust_list(0x5555573195e0, 24 [pid 4889] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4888] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4887] close(7 [pid 3503] <... unlink resumed>) = 0 [pid 3500] unlink("./217/cgroup.cpu" [pid 4890] <... set_robust_list resumed>) = 0 [pid 4889] symlink("/dev/binderfs", "./binderfs" [pid 4888] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 4890] chdir("./225" [pid 4889] <... symlink resumed>) = 0 [pid 4888] <... mmap resumed>) = 0x20002000 [pid 4887] close(8 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4890] <... chdir resumed>) = 0 [pid 4889] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4888] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4889] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4888] <... mmap resumed>) = 0x20000000 [pid 4887] close(9 [pid 3503] <... close resumed>) = 0 [pid 3500] lstat("./217/cgroup", [pid 4890] <... prctl resumed>) = 0 [pid 4889] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4888] close(3 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./226" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4890] setpgid(0, 0 [pid 4889] <... mmap resumed>) = 0x20002000 [pid 4888] <... close resumed>) = 0 [pid 4887] close(10 [pid 3503] <... rmdir resumed>) = 0 [pid 3500] unlink("./217/cgroup" [pid 4889] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./227", 0777 [pid 3500] <... unlink resumed>) = 0 [pid 4889] <... mmap resumed>) = 0x20000000 [pid 4887] close(11 [pid 3503] <... mkdir resumed>) = 0 [pid 3500] getdents64(3, [pid 4890] <... setpgid resumed>) = 0 [pid 4889] close(3 [pid 4888] close(4 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4891 attached [pid 4890] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4889] <... close resumed>) = 0 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(12 [pid 3500] close(3 [pid 4891] set_robust_list(0x5555573195e0, 24 [pid 4890] <... symlink resumed>) = 0 [pid 4889] close(4 [pid 4888] close(5 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 229 [pid 3500] <... close resumed>) = 0 [pid 4891] <... set_robust_list resumed>) = 0 [pid 4890] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(13 [pid 3500] rmdir("./217" [pid 4891] chdir("./227" [pid 4890] <... symlink resumed>) = 0 [pid 4889] close(5 [pid 4888] close(6 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 4891] <... chdir resumed>) = 0 [pid 4890] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(14 [pid 3500] mkdir("./218", 0777 [pid 4891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4890] <... symlink resumed>) = 0 [pid 4889] close(6 [pid 4888] close(7 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 4891] <... prctl resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(15 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4892 attached [pid 4891] setpgid(0, 0 [pid 4890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4889] close(7 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] set_robust_list(0x5555573195e0, 24 [pid 4891] <... setpgid resumed>) = 0 [pid 4890] <... openat resumed>) = 3 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(8 [pid 4887] close(16 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 220 [pid 4892] <... set_robust_list resumed>) = 0 [pid 4891] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4890] write(3, "1000", 4 [pid 4889] close(8 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] chdir("./218" [pid 4891] <... symlink resumed>) = 0 [pid 4890] <... write resumed>) = 4 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(17 [pid 4892] <... chdir resumed>) = 0 [pid 4891] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4889] close(9 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4891] <... symlink resumed>) = 0 [pid 4890] close(3 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(18 [pid 4892] <... prctl resumed>) = 0 [pid 4891] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4889] close(10 [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] setpgid(0, 0 [pid 4891] <... symlink resumed>) = 0 [pid 4890] <... close resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(9 [pid 4887] close(19 [pid 4892] <... setpgid resumed>) = 0 [pid 4891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4889] close(11 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4891] <... openat resumed>) = 3 [pid 4890] read(200, [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(10 [pid 4887] close(20 [pid 4892] <... symlink resumed>) = 0 [pid 4891] write(3, "1000", 4 [pid 4890] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4889] close(12 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4891] <... write resumed>) = 4 [pid 4890] symlink("/dev/binderfs", "./binderfs" [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(11 [pid 4887] close(21 [pid 4892] <... symlink resumed>) = 0 [pid 4891] close(3 [pid 4890] <... symlink resumed>) = 0 [pid 4889] close(13 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4891] <... close resumed>) = 0 [pid 4890] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(12 [pid 4887] close(22 [pid 4892] <... symlink resumed>) = 0 [pid 4891] read(200, [pid 4890] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4889] close(14 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4891] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4890] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(13 [pid 4887] close(23 [pid 4892] <... openat resumed>) = 3 [pid 4891] symlink("/dev/binderfs", "./binderfs" [pid 4889] close(15 [pid 4890] <... mmap resumed>) = 0x20002000 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] write(3, "1000", 4 [pid 4891] <... symlink resumed>) = 0 [pid 4890] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(14 [pid 4887] close(24 [pid 4892] <... write resumed>) = 4 [pid 4891] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4889] close(16 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(3 [pid 4891] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4890] <... mmap resumed>) = 0x20000000 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(15 [pid 4887] close(25 [pid 4892] <... close resumed>) = 0 [pid 4891] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4890] close(3 [pid 4889] close(17 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] read(200, [pid 4891] <... mmap resumed>) = 0x20002000 [pid 4890] <... close resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(16 [pid 4887] close(26 [pid 4892] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4891] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4890] close(4 [pid 4889] close(18 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] symlink("/dev/binderfs", "./binderfs" [pid 4891] <... mmap resumed>) = 0x20000000 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(17 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] close(27 [pid 4892] <... symlink resumed>) = 0 [pid 4891] close(3 [pid 4890] close(5 [pid 4889] close(19 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4891] <... close resumed>) = 0 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(18 [pid 4887] close(28 [pid 4892] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4891] close(4 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(20 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(6 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] <... mmap resumed>) = 0x20002000 [pid 4891] close(5 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(21 [pid 4888] close(19 [pid 4887] close(29 [pid 4892] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(7 [pid 4892] <... mmap resumed>) = 0x20000000 [pid 4891] close(6 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(3 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(8 [pid 4889] close(22 [pid 4888] close(20 [pid 4887] exit_group(0 [pid 4892] <... close resumed>) = 0 [pid 4891] close(7 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] close(4 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(9 [pid 4889] close(23 [pid 4888] close(21 [pid 4887] <... exit_group resumed>) = ? [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(8 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(10) = -1 EBADF (Bad file descriptor) [pid 4892] close(5 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(11 [pid 4889] close(24 [pid 4888] close(22 [pid 4887] +++ exited with 0 +++ [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(9 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4892] close(6 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(12 [pid 4889] close(25 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(10 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(23 [pid 4892] close(7 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(13 [pid 4889] close(26 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(11 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(24 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] close(8 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(14 [pid 4889] close(27 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(12 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(25 [pid 4892] close(9 [pid 4889] close(28 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... openat resumed>) = 3 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(15 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(26 [pid 4892] close(10 [pid 4891] close(13 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] close(29 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(16 [pid 4889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] close(27 [pid 4892] close(11 [pid 4891] close(14 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] exit_group(0 [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(17 [pid 4889] <... exit_group resumed>) = ? [pid 4888] close(28 [pid 4892] close(12 [pid 4891] close(15 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4889] +++ exited with 0 +++ [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(18 [pid 4888] close(29 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4892] close(13 [pid 4891] close(16 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(19 [pid 4888] exit_group(0 [pid 3499] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] close(14 [pid 4891] close(17 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] <... exit_group resumed>) = ? [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(20 [pid 3499] lstat("./214/binderfs", [pid 4892] close(15 [pid 4891] close(18 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4888] +++ exited with 0 +++ [pid 3504] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./214/binderfs" [pid 4892] close(16 [pid 4891] close(19 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3499] <... unlink resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(22 [pid 3504] <... openat resumed>) = 3 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3499] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] close(17 [pid 4891] close(20 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3501] <... restart_syscall resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(23 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] lstat("./214/cgroup.net", [pid 4892] close(18 [pid 4891] close(21 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(24 [pid 3501] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./214/cgroup.net" [pid 4892] close(19 [pid 4891] close(22 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(25 [pid 3504] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] close(20 [pid 4891] close(23 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(26 [pid 3504] lstat("./229/binderfs", [pid 3501] fstat(3, [pid 3499] lstat("./214/cgroup.cpu", [pid 4891] close(24 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(27 [pid 3501] getdents64(3, [pid 3499] unlink("./214/cgroup.cpu" [pid 4891] close(25 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... unlink resumed>) = 0 [pid 4892] close(21 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(26 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./229/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] close(22 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3501] lstat("./221/binderfs", [pid 3499] lstat("./214/cgroup", [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(27 [pid 4890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4892] close(23 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./221/binderfs" [pid 3499] unlink("./214/cgroup" [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(28 [pid 4890] <... exit_group resumed>) = ? [pid 3504] lstat("./229/cgroup.net", [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4892] close(24 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] unlink("./229/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4892] close(25 [pid 4891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] lstat("./221/cgroup.net", [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] close(3 [pid 4892] close(26 [pid 4891] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3499] <... close resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... exit_group resumed>) = ? [pid 3504] lstat("./229/cgroup.cpu", [pid 3501] unlink("./221/cgroup.net" [pid 4892] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] rmdir("./214" [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./229/cgroup.cpu" [pid 4892] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 4892] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 4892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] +++ exited with 0 +++ [pid 3504] lstat("./229/cgroup", [pid 3499] mkdir("./215", 0777 [pid 4892] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4892] <... exit_group resumed>) = ? [pid 3504] unlink("./229/cgroup" [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 4892] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... mkdir resumed>) = 0 [pid 3504] getdents64(3, [pid 3502] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./221/cgroup.cpu", [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] close(3 [pid 3503] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] rmdir("./229" [pid 3503] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 4893 attached [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... openat resumed>) = 3 [pid 3502] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] unlink("./221/cgroup.cpu" [pid 3500] <... openat resumed>) = 3 [pid 4893] set_robust_list(0x5555573195e0, 24 [pid 3504] mkdir("./230", 0777 [pid 3503] fstat(3, [pid 3500] fstat(3, [pid 4893] <... set_robust_list resumed>) = 0 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 217 [pid 4893] chdir("./215" [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] getdents64(3, [pid 3500] getdents64(3, [pid 4893] <... chdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] fstat(3, [pid 3501] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 4894 attached [pid 4893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 232 [pid 3503] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4893] <... prctl resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4894] set_robust_list(0x5555573195e0, 24 [pid 4893] setpgid(0, 0 [pid 3503] lstat("./227/binderfs", [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./218/binderfs", [pid 4894] <... set_robust_list resumed>) = 0 [pid 4893] <... setpgid resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4894] chdir("./230" [pid 4893] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3503] unlink("./227/binderfs" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./221/cgroup", [pid 3500] unlink("./218/binderfs" [pid 4894] <... chdir resumed>) = 0 [pid 4893] <... symlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4893] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3503] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./221/cgroup" [pid 3500] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4894] <... prctl resumed>) = 0 [pid 4893] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./225/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 4893] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3503] lstat("./227/cgroup.net", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] lstat("./218/cgroup.net", [pid 3501] getdents64(3, [pid 4894] setpgid(0, 0 [pid 4893] <... symlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./225/binderfs" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4894] <... setpgid resumed>) = 0 [pid 4893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] unlink("./227/cgroup.net" [pid 3502] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4894] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4893] <... openat resumed>) = 3 [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3500] unlink("./218/cgroup.net" [pid 4894] <... symlink resumed>) = 0 [pid 4893] write(3, "1000", 4 [pid 3503] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./221" [pid 3500] <... unlink resumed>) = 0 [pid 4894] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4893] <... write resumed>) = 4 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./225/cgroup.net", [pid 3500] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4894] <... symlink resumed>) = 0 [pid 4893] close(3 [pid 3503] lstat("./227/cgroup.cpu", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4894] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4893] <... close resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./225/cgroup.net" [pid 3501] mkdir("./222", 0777 [pid 3500] lstat("./218/cgroup.cpu", [pid 4894] <... symlink resumed>) = 0 [pid 4893] read(200, [pid 3503] unlink("./227/cgroup.cpu" [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4893] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./218/cgroup.cpu" [pid 4893] symlink("/dev/binderfs", "./binderfs" [pid 3503] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4893] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./225/cgroup.cpu", [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4894] <... openat resumed>) = 3 [pid 4893] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] lstat("./227/cgroup", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4893] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] unlink("./225/cgroup.cpu" [pid 3500] lstat("./218/cgroup", [pid 4893] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] unlink("./227/cgroup" [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4893] <... mmap resumed>) = 0x20002000 [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./218/cgroup"./strace-static-x86_64: Process 4895 attached [pid 4894] write(3, "1000", 4 [pid 4893] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 4895] set_robust_list(0x5555573195e0, 24 [pid 4894] <... write resumed>) = 4 [pid 4893] <... mmap resumed>) = 0x20000000 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] lstat("./225/cgroup", [pid 3500] getdents64(3, [pid 4895] <... set_robust_list resumed>) = 0 [pid 4894] close(3 [pid 4893] close(3 [pid 3503] close(3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 224 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4895] chdir("./222" [pid 4894] <... close resumed>) = 0 [pid 4893] <... close resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] unlink("./225/cgroup" [pid 3500] close(3 [pid 4895] <... chdir resumed>) = 0 [pid 4894] read(200, [pid 4893] close(4 [pid 3503] rmdir("./227" [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 4895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4894] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] getdents64(3, [pid 3500] rmdir("./218" [pid 4895] <... prctl resumed>) = 0 [pid 4894] symlink("/dev/binderfs", "./binderfs" [pid 4893] close(5 [pid 3503] mkdir("./228", 0777 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 4895] setpgid(0, 0 [pid 4894] <... symlink resumed>) = 0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] close(3 [pid 3500] mkdir("./219", 0777 [pid 4895] <... setpgid resumed>) = 0 [pid 4893] close(6 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... close resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4896 attached [pid 4895] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4894] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./225" [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4896] set_robust_list(0x5555573195e0, 24 [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4893] close(7 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 230 [pid 3502] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4897 attached [pid 4896] <... set_robust_list resumed>) = 0 [pid 4895] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4894] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./226", 0777 [pid 4897] set_robust_list(0x5555573195e0, 24 [pid 4896] chdir("./228" [pid 4895] <... symlink resumed>) = 0 [pid 4893] close(8 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 221 [pid 4897] <... set_robust_list resumed>) = 0 [pid 4896] <... chdir resumed>) = 0 [pid 4895] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4894] <... mmap resumed>) = 0x20002000 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4898 attached [pid 4897] chdir("./219" [pid 4896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4895] <... symlink resumed>) = 0 [pid 4894] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4893] close(9 [pid 4898] set_robust_list(0x5555573195e0, 24 [pid 4897] <... chdir resumed>) = 0 [pid 4896] <... prctl resumed>) = 0 [pid 4895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4894] <... mmap resumed>) = 0x20000000 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 228 [pid 4898] <... set_robust_list resumed>) = 0 [pid 4897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4896] setpgid(0, 0 [pid 4895] <... openat resumed>) = 3 [pid 4894] close(3 [pid 4893] close(10 [pid 4898] chdir("./226" [pid 4897] <... prctl resumed>) = 0 [pid 4896] <... setpgid resumed>) = 0 [pid 4895] write(3, "1000", 4 [pid 4894] <... close resumed>) = 0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... chdir resumed>) = 0 [pid 4897] setpgid(0, 0 [pid 4896] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4895] <... write resumed>) = 4 [pid 4894] close(4 [pid 4893] close(11 [pid 4898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4897] <... setpgid resumed>) = 0 [pid 4896] <... symlink resumed>) = 0 [pid 4895] close(3 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... prctl resumed>) = 0 [pid 4897] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4896] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4895] <... close resumed>) = 0 [pid 4893] close(12 [pid 4898] setpgid(0, 0 [pid 4897] <... symlink resumed>) = 0 [pid 4896] <... symlink resumed>) = 0 [pid 4895] read(200, [pid 4894] close(5 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... setpgid resumed>) = 0 [pid 4897] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4896] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4895] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(13 [pid 4898] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4897] <... symlink resumed>) = 0 [pid 4896] <... symlink resumed>) = 0 [pid 4895] symlink("/dev/binderfs", "./binderfs" [pid 4894] close(6 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... symlink resumed>) = 0 [pid 4897] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(14 [pid 4898] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4897] <... symlink resumed>) = 0 [pid 4896] <... openat resumed>) = 3 [pid 4895] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4894] close(7 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... symlink resumed>) = 0 [pid 4897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4896] write(3, "1000", 4 [pid 4895] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4893] close(15 [pid 4897] <... openat resumed>) = 3 [pid 4896] <... write resumed>) = 4 [pid 4895] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4897] write(3, "1000", 4 [pid 4896] close(3 [pid 4895] <... mmap resumed>) = 0x20002000 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(16 [pid 4898] <... symlink resumed>) = 0 [pid 4897] <... write resumed>) = 4 [pid 4896] <... close resumed>) = 0 [pid 4895] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4894] close(8 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4897] close(3 [pid 4896] read(200, [pid 4895] <... mmap resumed>) = 0x20000000 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(17 [pid 4898] <... openat resumed>) = 3 [pid 4897] <... close resumed>) = 0 [pid 4896] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4895] close(3 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(9 [pid 4898] write(3, "1000", 4 [pid 4897] read(200, [pid 4896] symlink("/dev/binderfs", "./binderfs" [pid 4895] <... close resumed>) = 0 [pid 4893] close(18 [pid 4897] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4896] <... symlink resumed>) = 0 [pid 4895] close(4 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... write resumed>) = 4 [pid 4897] symlink("/dev/binderfs", "./binderfs" [pid 4896] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(10 [pid 4893] close(19 [pid 4898] close(3 [pid 4897] <... symlink resumed>) = 0 [pid 4896] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4895] close(5 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = 0 [pid 4897] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4896] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(11 [pid 4893] close(20 [pid 4898] read(200, [pid 4897] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4896] <... mmap resumed>) = 0x20002000 [pid 4895] close(6 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4897] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4896] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(21 [pid 4897] <... mmap resumed>) = 0x20002000 [pid 4896] <... mmap resumed>) = 0x20000000 [pid 4895] close(7 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4896] close(3 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(22 [pid 4898] symlink("/dev/binderfs", "./binderfs" [pid 4897] <... mmap resumed>) = 0x20000000 [pid 4896] <... close resumed>) = 0 [pid 4895] close(8 [pid 4894] close(12 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(3 [pid 4896] close(4 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(23 [pid 4898] <... symlink resumed>) = 0 [pid 4897] <... close resumed>) = 0 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(9 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4897] close(4 [pid 4896] close(5 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(13 [pid 4893] close(24 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(10 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4897] close(5 [pid 4896] close(6 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(25 [pid 4898] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(11 [pid 4894] close(14 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... mmap resumed>) = 0x20002000 [pid 4897] close(6 [pid 4896] close(7 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(26 [pid 4898] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(12 [pid 4894] close(15 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... mmap resumed>) = 0x20000000 [pid 4897] close(7 [pid 4896] close(8 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(27 [pid 4898] close(3 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(13 [pid 4894] close(16 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = 0 [pid 4897] close(8 [pid 4896] close(9 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(28 [pid 4898] close(4 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(14 [pid 4894] close(17 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(9 [pid 4896] close(10 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4893] close(29 [pid 4898] close(5 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(15 [pid 4894] close(18 [pid 4893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(10 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(11 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(6 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(19 [pid 4893] exit_group(0 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(11 [pid 4895] close(16 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(7 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(12 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(20 [pid 4893] <... exit_group resumed>) = ? [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(12 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(17 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(8 [pid 4894] close(21 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(9 [pid 4894] close(22 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(13 [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(10 [pid 4897] close(13 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] close(18 [pid 4894] close(23 [pid 4893] +++ exited with 0 +++ [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(14 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(11 [pid 4897] close(14 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(24 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(15 [pid 4895] close(19 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(12 [pid 4897] close(15 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(25 [pid 3499] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(16 [pid 4895] close(20 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4898] close(13 [pid 4897] close(16 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(26 [pid 3499] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(17 [pid 4895] close(21 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... openat resumed>) = 3 [pid 4898] close(14 [pid 4897] close(17 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(27 [pid 3499] fstat(3, [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(18 [pid 4895] close(22 [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4898] close(15 [pid 4897] close(18 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] close(28 [pid 3499] getdents64(3, [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(19 [pid 4895] close(23 [pid 4897] close(19 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(20 [pid 4895] close(24 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(20 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4898] close(16 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(21 [pid 4895] close(25 [pid 4894] close(29 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(21 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./215/binderfs", [pid 4898] close(17 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(22 [pid 4895] close(26 [pid 4894] exit_group(0 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(22 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4894] <... exit_group resumed>) = ? [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4898] close(18 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(23 [pid 4895] close(27 [pid 3499] unlink("./215/binderfs" [pid 4897] close(23 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(24 [pid 4895] close(28 [pid 4894] +++ exited with 0 +++ [pid 3499] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4898] close(19 [pid 4897] close(24 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(25 [pid 4895] close(29 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] lstat("./215/cgroup.net", [pid 4898] close(20 [pid 4897] close(25 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(26 [pid 4895] exit_group(0 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3499] unlink("./215/cgroup.net" [pid 4898] close(21 [pid 4897] close(26 [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4895] <... exit_group resumed>) = ? [pid 3499] <... unlink resumed>) = 0 [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] close(27 [pid 4898] close(22 [pid 4897] close(27 [pid 3499] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(23) = -1 EBADF (Bad file descriptor) [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(24 [pid 3504] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(28 [pid 4896] close(28 [pid 4898] close(25 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./215/cgroup.cpu", [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] close(29 [pid 4896] close(29 [pid 4895] +++ exited with 0 +++ [pid 3504] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4898] close(26 [pid 4897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] unlink("./215/cgroup.cpu" [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4897] exit_group(0 [pid 4896] exit_group(0 [pid 3504] fstat(3, [pid 3499] <... unlink resumed>) = 0 [pid 4898] close(27 [pid 4897] <... exit_group resumed>) = ? [pid 4896] <... exit_group resumed>) = ? [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4898] close(28) = -1 EBADF (Bad file descriptor) [pid 4898] close(29) = -1 EBADF (Bad file descriptor) [pid 4898] exit_group(0 [pid 3504] getdents64(3, [pid 4898] <... exit_group resumed>) = ? [pid 4898] +++ exited with 0 +++ [pid 4897] +++ exited with 0 +++ [pid 4896] +++ exited with 0 +++ [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] lstat("./215/cgroup", [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./230/binderfs", [pid 3499] unlink("./215/cgroup" [pid 3501] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] unlink("./230/binderfs" [pid 3501] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] getdents64(3, [pid 3504] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] close(3 [pid 3504] lstat("./230/cgroup.net", [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 3504] unlink("./230/cgroup.net" [pid 3503] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./215" [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] fstat(3, [pid 3501] lstat("./222/binderfs", [pid 3500] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 3504] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] mkdir("./216", 0777 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... openat resumed>) = 3 [pid 3502] getdents64(3, [pid 3501] unlink("./222/binderfs" [pid 3500] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... mkdir resumed>) = 0 [pid 3504] lstat("./230/cgroup.cpu", [pid 3503] fstat(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./222/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, ./strace-static-x86_64: Process 4899 attached [pid 3504] unlink("./230/cgroup.cpu" [pid 3503] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4899] set_robust_list(0x5555573195e0, 24 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] lstat("./226/binderfs", [pid 3501] lstat("./222/cgroup.net", [pid 3500] getdents64(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 218 [pid 4899] <... set_robust_list resumed>) = 0 [pid 3504] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4899] chdir("./216" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./226/binderfs" [pid 3501] unlink("./222/cgroup.net" [pid 3500] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... chdir resumed>) = 0 [pid 3504] lstat("./230/cgroup", [pid 3503] lstat("./228/binderfs", [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./222/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./219/binderfs", [pid 4899] <... prctl resumed>) = 0 [pid 3504] unlink("./230/cgroup" [pid 3503] unlink("./228/binderfs" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4899] setpgid(0, 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./226/cgroup.net", [pid 3501] lstat("./222/cgroup.cpu", [pid 3500] unlink("./219/binderfs" [pid 4899] <... setpgid resumed>) = 0 [pid 3504] getdents64(3, [pid 3503] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4899] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./226/cgroup.net" [pid 3501] unlink("./222/cgroup.cpu" [pid 3500] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... symlink resumed>) = 0 [pid 3504] close(3 [pid 3503] lstat("./228/cgroup.net", [pid 3502] <... unlink resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] rmdir("./230" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./222/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./219/cgroup.net", [pid 4899] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3504] <... rmdir resumed>) = 0 [pid 3503] unlink("./228/cgroup.net" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] mkdir("./231", 0777 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./226/cgroup.cpu", [pid 4899] <... symlink resumed>) = 0 [pid 3500] unlink("./219/cgroup.net" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./222/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 4899] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./226/cgroup.cpu" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4899] <... symlink resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./222/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4900 attached [pid 4899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] lstat("./228/cgroup.cpu", [pid 3502] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./219/cgroup.cpu", [pid 4900] set_robust_list(0x5555573195e0, 24 [pid 4899] <... openat resumed>) = 3 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 233 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4900] <... set_robust_list resumed>) = 0 [pid 4899] write(3, "1000", 4 [pid 3503] unlink("./228/cgroup.cpu" [pid 3502] lstat("./226/cgroup", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./219/cgroup.cpu" [pid 4900] chdir("./231" [pid 4899] <... write resumed>) = 4 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 4899] close(3 [pid 3503] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3500] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4900] <... chdir resumed>) = 0 [pid 4899] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./226/cgroup" [pid 3501] rmdir("./222" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4899] read(200, [pid 3503] lstat("./228/cgroup", [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] lstat("./219/cgroup", [pid 4900] <... prctl resumed>) = 0 [pid 4899] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] mkdir("./223", 0777 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4900] setpgid(0, 0 [pid 4899] symlink("/dev/binderfs", "./binderfs" [pid 3503] unlink("./228/cgroup" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] unlink("./219/cgroup" [pid 4900] <... setpgid resumed>) = 0 [pid 4899] <... symlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] close(3 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4901 attached [pid 4900] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4899] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] getdents64(3, [pid 3502] <... close resumed>) = 0 [pid 3500] getdents64(3, [pid 4901] set_robust_list(0x5555573195e0, 24 [pid 4900] <... symlink resumed>) = 0 [pid 4899] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 225 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4901] <... set_robust_list resumed>) = 0 [pid 4899] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] close(3 [pid 3502] rmdir("./226" [pid 3500] close(3 [pid 4901] chdir("./223" [pid 4900] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4899] <... mmap resumed>) = 0x20002000 [pid 3503] <... close resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 4901] <... chdir resumed>) = 0 [pid 4900] <... symlink resumed>) = 0 [pid 4899] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] rmdir("./228" [pid 3502] mkdir("./227", 0777 [pid 3500] rmdir("./219" [pid 4901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4900] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4899] <... mmap resumed>) = 0x20000000 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 4901] <... prctl resumed>) = 0 [pid 4899] close(3 [pid 3503] mkdir("./229", 0777 [pid 3500] mkdir("./220", 0777 [pid 4901] setpgid(0, 0 [pid 4900] <... symlink resumed>) = 0 [pid 4899] <... close resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... mkdir resumed>) = 0 [pid 4901] <... setpgid resumed>) = 0 [pid 4900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4899] close(4 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4904 attached ./strace-static-x86_64: Process 4903 attached ./strace-static-x86_64: Process 4902 attached [pid 4901] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4900] <... openat resumed>) = 3 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] set_robust_list(0x5555573195e0, 24 [pid 4903] set_robust_list(0x5555573195e0, 24 [pid 4902] set_robust_list(0x5555573195e0, 24 [pid 4901] <... symlink resumed>) = 0 [pid 4900] write(3, "1000", 4 [pid 4899] close(5 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 231 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 229 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 222 [pid 4904] <... set_robust_list resumed>) = 0 [pid 4903] <... set_robust_list resumed>) = 0 [pid 4902] <... set_robust_list resumed>) = 0 [pid 4901] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4900] <... write resumed>) = 4 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] chdir("./220" [pid 4903] chdir("./229" [pid 4902] chdir("./227" [pid 4901] <... symlink resumed>) = 0 [pid 4900] close(3 [pid 4899] close(6 [pid 4904] <... chdir resumed>) = 0 [pid 4903] <... chdir resumed>) = 0 [pid 4902] <... chdir resumed>) = 0 [pid 4901] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4900] <... close resumed>) = 0 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4901] <... symlink resumed>) = 0 [pid 4900] read(200, [pid 4899] close(7 [pid 4903] <... prctl resumed>) = 0 [pid 4902] <... prctl resumed>) = 0 [pid 4901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4904] <... prctl resumed>) = 0 [pid 4903] setpgid(0, 0 [pid 4902] setpgid(0, 0 [pid 4901] <... openat resumed>) = 3 [pid 4899] close(8 [pid 4904] setpgid(0, 0 [pid 4903] <... setpgid resumed>) = 0 [pid 4902] <... setpgid resumed>) = 0 [pid 4901] write(3, "1000", 4 [pid 4900] symlink("/dev/binderfs", "./binderfs" [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... setpgid resumed>) = 0 [pid 4903] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4902] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4901] <... write resumed>) = 4 [pid 4900] <... symlink resumed>) = 0 [pid 4899] close(9 [pid 4904] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4903] <... symlink resumed>) = 0 [pid 4902] <... symlink resumed>) = 0 [pid 4901] close(3 [pid 4900] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... symlink resumed>) = 0 [pid 4903] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4902] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4901] <... close resumed>) = 0 [pid 4899] close(10 [pid 4904] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4903] <... symlink resumed>) = 0 [pid 4902] <... symlink resumed>) = 0 [pid 4901] read(200, [pid 4900] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... symlink resumed>) = 0 [pid 4903] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4902] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4901] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4900] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4899] close(11 [pid 4904] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4903] <... symlink resumed>) = 0 [pid 4902] <... symlink resumed>) = 0 [pid 4901] symlink("/dev/binderfs", "./binderfs" [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... symlink resumed>) = 0 [pid 4903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4901] <... symlink resumed>) = 0 [pid 4900] <... mmap resumed>) = 0x20002000 [pid 4899] close(12 [pid 4904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4903] <... openat resumed>) = 3 [pid 4902] <... openat resumed>) = 3 [pid 4901] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4900] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... openat resumed>) = 3 [pid 4903] write(3, "1000", 4 [pid 4902] write(3, "1000", 4 [pid 4901] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4899] close(13 [pid 4900] <... mmap resumed>) = 0x20000000 [pid 4904] write(3, "1000", 4 [pid 4903] <... write resumed>) = 4 [pid 4902] <... write resumed>) = 4 [pid 4901] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4900] close(3 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... write resumed>) = 4 [pid 4903] close(3 [pid 4902] close(3 [pid 4901] <... mmap resumed>) = 0x20002000 [pid 4900] <... close resumed>) = 0 [pid 4899] close(14 [pid 4903] <... close resumed>) = 0 [pid 4902] <... close resumed>) = 0 [pid 4901] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] read(200, [pid 4902] read(200, [pid 4901] <... mmap resumed>) = 0x20000000 [pid 4899] close(15 [pid 4903] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4902] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4901] close(3 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(3 [pid 4903] symlink("/dev/binderfs", "./binderfs" [pid 4902] symlink("/dev/binderfs", "./binderfs" [pid 4901] <... close resumed>) = 0 [pid 4900] close(4 [pid 4899] close(16 [pid 4904] <... close resumed>) = 0 [pid 4903] <... symlink resumed>) = 0 [pid 4902] <... symlink resumed>) = 0 [pid 4901] close(4 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] read(200, [pid 4903] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4902] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(5 [pid 4899] close(17 [pid 4904] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4903] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4902] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4901] close(5 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] symlink("/dev/binderfs", "./binderfs" [pid 4903] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4902] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(6 [pid 4899] close(18 [pid 4904] <... symlink resumed>) = 0 [pid 4903] <... mmap resumed>) = 0x20002000 [pid 4902] <... mmap resumed>) = 0x20002000 [pid 4901] close(6 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4903] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4902] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(7 [pid 4899] close(19 [pid 4904] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4903] <... mmap resumed>) = 0x20000000 [pid 4902] <... mmap resumed>) = 0x20000000 [pid 4901] close(7 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4903] close(3 [pid 4902] close(3 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(20 [pid 4904] <... mmap resumed>) = 0x20002000 [pid 4903] <... close resumed>) = 0 [pid 4902] <... close resumed>) = 0 [pid 4901] close(8 [pid 4900] close(8 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4903] close(4 [pid 4902] close(4 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(21 [pid 4904] <... mmap resumed>) = 0x20000000 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(9 [pid 4900] close(9 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(3 [pid 4903] close(5 [pid 4902] close(5 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(22 [pid 4904] <... close resumed>) = 0 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(10 [pid 4900] close(10 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(4 [pid 4903] close(6 [pid 4902] close(6 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(23 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(11 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(7 [pid 4902] close(7 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(24 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(12 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(8 [pid 4902] close(8 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(11 [pid 4899] close(25 [pid 4904] close(5 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(13 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(9 [pid 4902] close(9 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(26 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(14 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(6 [pid 4903] close(10 [pid 4902] close(10 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(12 [pid 4899] close(27 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(15 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(7 [pid 4903] close(11 [pid 4902] close(11 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(13 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(16 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] close(28 [pid 4904] close(8 [pid 4900] close(14 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(12 [pid 4902] close(12 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(9 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(17 [pid 4900] close(15 [pid 4899] close(29 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(10 [pid 4903] close(13 [pid 4902] close(13 [pid 4900] close(16 [pid 4899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(11 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(17 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(14 [pid 4901] close(18 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4899] exit_group(0 [pid 4904] close(12 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(14 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(18 [pid 4899] <... exit_group resumed>) = ? [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(19 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(13 [pid 4900] close(19 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(14 [pid 4903] close(15 [pid 4902] close(15 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(20 [pid 4899] +++ exited with 0 +++ [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(20 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(16 [pid 4902] close(16 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(15 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(21 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(17 [pid 4901] close(21 [pid 4902] close(17 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(16 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] close(22 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(18 [pid 4902] close(18 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(17 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(22 [pid 4900] close(23 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(19 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(18 [pid 4900] close(24 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(19 [pid 4901] close(23 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4904] close(19 [pid 4900] close(25 [pid 4903] close(20 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4904] close(20 [pid 4903] close(21 [pid 4902] close(20 [pid 4901] close(24 [pid 4900] close(26 [pid 3499] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(21 [pid 4903] close(22 [pid 4900] close(27 [pid 3499] <... openat resumed>) = 3 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(21 [pid 4901] close(25 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(22 [pid 4900] close(28 [pid 3499] fstat(3, [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] close(23 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(23 [pid 4900] close(29 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(22 [pid 4901] close(26 [pid 4900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4904] close(24 [pid 4903] close(24 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] exit_group(0 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4900] <... exit_group resumed>) = ? [pid 4904] close(25 [pid 4900] +++ exited with 0 +++ [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(27 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4904] close(26 [pid 4903] close(25 [pid 4902] close(23 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] close(27 [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(28 [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4904] close(28) = -1 EBADF (Bad file descriptor) [pid 4903] close(26 [pid 4904] close(29 [pid 4902] close(24 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4904] exit_group(0 [pid 4903] close(27 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] close(29 [pid 4904] <... exit_group resumed>) = ? [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4904] +++ exited with 0 +++ [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(25 [pid 4901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./216/binderfs", [pid 4903] close(28 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] exit_group(0 [pid 3504] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(26 [pid 4901] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4903] close(29 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] close(27 [pid 3504] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./216/binderfs" [pid 4902] close(28 [pid 3504] <... openat resumed>) = 3 [pid 4903] exit_group(0 [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4903] <... exit_group resumed>) = ? [pid 4902] close(29 [pid 3504] fstat(3, [pid 3499] <... unlink resumed>) = 0 [pid 4903] +++ exited with 0 +++ [pid 4902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4901] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4902] exit_group(0 [pid 3504] getdents64(3, [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4902] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4902] +++ exited with 0 +++ [pid 3504] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./216/cgroup.net", [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] lstat("./231/binderfs", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] unlink("./216/cgroup.net" [pid 3504] unlink("./231/binderfs" [pid 3503] <... openat resumed>) = 3 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] fstat(3, [pid 3501] <... openat resumed>) = 3 [pid 3500] fstat(3, [pid 3499] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] fstat(3, [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3502] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, [pid 3499] lstat("./216/cgroup.cpu", [pid 3504] lstat("./231/cgroup.net", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./216/cgroup.cpu" [pid 3504] unlink("./231/cgroup.net" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./229/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./220/binderfs", [pid 3499] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] fstat(3, [pid 3501] lstat("./223/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./229/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./220/binderfs" [pid 3499] lstat("./216/cgroup", [pid 3504] lstat("./231/cgroup.cpu", [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./223/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./216/cgroup" [pid 3504] unlink("./231/cgroup.cpu" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 3501] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./229/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./220/cgroup.net", [pid 3499] getdents64(3, [pid 3504] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./223/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./229/cgroup.net" [pid 3502] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./220/cgroup.net" [pid 3499] close(3 [pid 3504] lstat("./231/cgroup", [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./223/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./216" [pid 3504] unlink("./231/cgroup" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... rmdir resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./229/cgroup.cpu", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./220/cgroup.cpu", [pid 3499] mkdir("./217", 0777 [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./223/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] unlink("./229/cgroup.cpu" [pid 3502] lstat("./227/binderfs", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./220/cgroup.cpu" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3504] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] unlink("./223/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3503] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./227/binderfs" [pid 3504] rmdir("./231" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4905 attached [pid 3504] <... rmdir resumed>) = 0 [pid 3503] lstat("./229/cgroup", [pid 3502] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] mkdir("./232", 0777 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] lstat("./227/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 219 [pid 3500] lstat("./220/cgroup", [pid 4905] set_robust_list(0x5555573195e0, 24 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] unlink("./229/cgroup" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./227/cgroup.net" [pid 3501] lstat("./223/cgroup", [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 4906 attached [pid 4905] <... set_robust_list resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./220/cgroup" [pid 4906] set_robust_list(0x5555573195e0, 24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4906] <... set_robust_list resumed>) = 0 [pid 4905] chdir("./217" [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 234 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] lstat("./227/cgroup.cpu", [pid 3501] unlink("./223/cgroup" [pid 4906] chdir("./232" [pid 4905] <... chdir resumed>) = 0 [pid 3503] close(3 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4906] <... chdir resumed>) = 0 [pid 4905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] getdents64(3, [pid 3500] getdents64(3, [pid 4906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4905] <... prctl resumed>) = 0 [pid 3503] rmdir("./229" [pid 3502] unlink("./227/cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4906] <... prctl resumed>) = 0 [pid 4905] setpgid(0, 0 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 3500] close(3 [pid 4906] setpgid(0, 0 [pid 4905] <... setpgid resumed>) = 0 [pid 3503] mkdir("./230", 0777 [pid 3502] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 4906] <... setpgid resumed>) = 0 [pid 4905] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3503] <... mkdir resumed>) = 0 [pid 3501] rmdir("./223" [pid 3500] rmdir("./220" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4906] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4905] <... symlink resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./227/cgroup", [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4907 attached [pid 4906] <... symlink resumed>) = 0 [pid 4905] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] mkdir("./224", 0777 [pid 3500] mkdir("./221", 0777 [pid 4907] set_robust_list(0x5555573195e0, 24 [pid 4906] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4905] <... symlink resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 232 [pid 3502] unlink("./227/cgroup" [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 4907] <... set_robust_list resumed>) = 0 [pid 4906] <... symlink resumed>) = 0 [pid 4905] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3502] <... unlink resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4908 attached ./strace-static-x86_64: Process 4909 attached [pid 4907] chdir("./230" [pid 4906] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4905] <... symlink resumed>) = 0 [pid 3502] getdents64(3, [pid 4908] set_robust_list(0x5555573195e0, 24 [pid 4907] <... chdir resumed>) = 0 [pid 4906] <... symlink resumed>) = 0 [pid 4905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 226 [pid 4909] set_robust_list(0x5555573195e0, 24 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 223 [pid 4909] <... set_robust_list resumed>) = 0 [pid 4908] <... set_robust_list resumed>) = 0 [pid 4907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4905] <... openat resumed>) = 3 [pid 3502] close(3 [pid 4909] chdir("./221" [pid 4908] chdir("./224" [pid 4907] <... prctl resumed>) = 0 [pid 4906] <... openat resumed>) = 3 [pid 4905] write(3, "1000", 4 [pid 3502] <... close resumed>) = 0 [pid 4909] <... chdir resumed>) = 0 [pid 4908] <... chdir resumed>) = 0 [pid 4907] setpgid(0, 0 [pid 4906] write(3, "1000", 4 [pid 4905] <... write resumed>) = 4 [pid 3502] rmdir("./227" [pid 4909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4907] <... setpgid resumed>) = 0 [pid 4906] <... write resumed>) = 4 [pid 4905] close(3 [pid 3502] <... rmdir resumed>) = 0 [pid 4909] <... prctl resumed>) = 0 [pid 4908] <... prctl resumed>) = 0 [pid 4907] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4906] close(3 [pid 4905] <... close resumed>) = 0 [pid 3502] mkdir("./228", 0777 [pid 4909] setpgid(0, 0 [pid 4908] setpgid(0, 0 [pid 4907] <... symlink resumed>) = 0 [pid 4906] <... close resumed>) = 0 [pid 4905] read(200, [pid 3502] <... mkdir resumed>) = 0 [pid 4909] <... setpgid resumed>) = 0 [pid 4908] <... setpgid resumed>) = 0 [pid 4907] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4906] read(200, [pid 4905] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4910 attached [pid 4909] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4908] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4907] <... symlink resumed>) = 0 [pid 4906] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4905] symlink("/dev/binderfs", "./binderfs" [pid 4910] set_robust_list(0x5555573195e0, 24 [pid 4909] <... symlink resumed>) = 0 [pid 4908] <... symlink resumed>) = 0 [pid 4907] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4906] symlink("/dev/binderfs", "./binderfs" [pid 4905] <... symlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 230 [pid 4910] <... set_robust_list resumed>) = 0 [pid 4909] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4908] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4907] <... symlink resumed>) = 0 [pid 4906] <... symlink resumed>) = 0 [pid 4905] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4910] chdir("./228" [pid 4909] <... symlink resumed>) = 0 [pid 4908] <... symlink resumed>) = 0 [pid 4907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4906] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4905] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4910] <... chdir resumed>) = 0 [pid 4909] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4908] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4907] <... openat resumed>) = 3 [pid 4905] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4906] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4909] <... symlink resumed>) = 0 [pid 4907] write(3, "1000", 4 [pid 4905] <... mmap resumed>) = 0x20002000 [pid 4910] <... prctl resumed>) = 0 [pid 4909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4908] <... symlink resumed>) = 0 [pid 4907] <... write resumed>) = 4 [pid 4906] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4905] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4910] setpgid(0, 0 [pid 4909] <... openat resumed>) = 3 [pid 4908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4907] close(3 [pid 4906] <... mmap resumed>) = 0x20002000 [pid 4905] <... mmap resumed>) = 0x20000000 [pid 4910] <... setpgid resumed>) = 0 [pid 4909] write(3, "1000", 4 [pid 4907] <... close resumed>) = 0 [pid 4905] close(3 [pid 4910] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4908] <... openat resumed>) = 3 [pid 4907] read(200, [pid 4906] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4905] <... close resumed>) = 0 [pid 4910] <... symlink resumed>) = 0 [pid 4909] <... write resumed>) = 4 [pid 4908] write(3, "1000", 4 [pid 4907] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4906] <... mmap resumed>) = 0x20000000 [pid 4905] close(4 [pid 4910] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4908] <... write resumed>) = 4 [pid 4907] symlink("/dev/binderfs", "./binderfs" [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(3 [pid 4909] close(3 [pid 4910] <... symlink resumed>) = 0 [pid 4908] close(3 [pid 4907] <... symlink resumed>) = 0 [pid 4906] <... close resumed>) = 0 [pid 4905] close(5 [pid 4910] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4909] <... close resumed>) = 0 [pid 4908] <... close resumed>) = 0 [pid 4907] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4906] close(4 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... symlink resumed>) = 0 [pid 4909] read(200, [pid 4908] read(200, [pid 4907] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(6 [pid 4910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4909] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4908] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4907] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4906] close(5 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... openat resumed>) = 3 [pid 4909] symlink("/dev/binderfs", "./binderfs" [pid 4908] symlink("/dev/binderfs", "./binderfs" [pid 4907] <... mmap resumed>) = 0x20002000 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(7 [pid 4910] write(3, "1000", 4 [pid 4909] <... symlink resumed>) = 0 [pid 4908] <... symlink resumed>) = 0 [pid 4907] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4906] close(6 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... write resumed>) = 4 [pid 4909] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4908] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4907] <... mmap resumed>) = 0x20000000 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(8 [pid 4910] close(3 [pid 4909] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4907] close(3 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = 0 [pid 4909] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4908] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4907] <... close resumed>) = 0 [pid 4906] close(7 [pid 4905] close(9 [pid 4910] read(200, [pid 4909] <... mmap resumed>) = 0x20002000 [pid 4908] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4907] close(4 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4909] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4908] <... mmap resumed>) = 0x20002000 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(8 [pid 4905] close(10 [pid 4910] symlink("/dev/binderfs", "./binderfs" [pid 4909] <... mmap resumed>) = 0x20000000 [pid 4908] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4907] close(5 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... symlink resumed>) = 0 [pid 4909] close(3 [pid 4908] <... mmap resumed>) = 0x20000000 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(9 [pid 4905] close(11 [pid 4910] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4909] <... close resumed>) = 0 [pid 4908] close(3 [pid 4907] close(6 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4909] close(4 [pid 4908] <... close resumed>) = 0 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(10 [pid 4905] close(12 [pid 4910] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(4 [pid 4907] close(7 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... mmap resumed>) = 0x20002000 [pid 4909] close(5 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(11 [pid 4905] close(13 [pid 4910] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(5 [pid 4907] close(8 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... mmap resumed>) = 0x20000000 [pid 4909] close(6 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(12 [pid 4905] close(14 [pid 4910] close(3 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(6 [pid 4907] close(9 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = 0 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(15 [pid 4910] close(4 [pid 4907] close(10 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(16 [pid 4910] close(5 [pid 4907] close(11 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(7 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] close(17 [pid 4910] close(6 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(7 [pid 4907] close(12 [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(8 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(13 [pid 4905] close(18 [pid 4910] close(7 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(8 [pid 4907] close(13 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(9 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(14 [pid 4905] close(19 [pid 4910] close(8 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(9 [pid 4907] close(14 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(10 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(15 [pid 4905] close(20 [pid 4910] close(9 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(10 [pid 4907] close(15 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(11 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(16 [pid 4905] close(21 [pid 4910] close(10 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(11 [pid 4907] close(16 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(12 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(17 [pid 4905] close(22 [pid 4910] close(11 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(12 [pid 4907] close(17 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(13 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(18 [pid 4905] close(23 [pid 4910] close(12 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(13 [pid 4907] close(18 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(14 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(19 [pid 4905] close(24 [pid 4910] close(13 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(14 [pid 4907] close(19 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(15 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(20 [pid 4905] close(25 [pid 4910] close(14 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(15 [pid 4907] close(20 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(16 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(21 [pid 4905] close(26 [pid 4910] close(15 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(16 [pid 4907] close(21 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(17 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(22 [pid 4905] close(27 [pid 4910] close(16 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(17 [pid 4907] close(22 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(18 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(23 [pid 4905] close(28 [pid 4910] close(17 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(18 [pid 4907] close(23 [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(19 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(24 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(18 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(19 [pid 4905] close(29 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(24 [pid 4906] close(25 [pid 4910] close(19 [pid 4909] close(20 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(20 [pid 4906] close(26 [pid 4907] close(25 [pid 4910] close(20 [pid 4909] close(21 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4905] exit_group(0 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(21 [pid 4906] close(27 [pid 4905] <... exit_group resumed>) = ? [pid 4907] close(26 [pid 4910] close(21 [pid 4909] close(22 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] close(28) = -1 EBADF (Bad file descriptor) [pid 4906] close(29) = -1 EBADF (Bad file descriptor) [pid 4906] exit_group(0 [pid 4905] +++ exited with 0 +++ [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(22 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4906] <... exit_group resumed>) = ? [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4910] close(22 [pid 4909] close(23 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(27 [pid 4906] +++ exited with 0 +++ [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(23 [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4910] close(23 [pid 4909] close(24 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] close(28 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(24 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4910] close(24 [pid 4909] close(25 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(25 [pid 4907] close(29 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3499] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4910] close(25 [pid 4909] close(26 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4910] close(26 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(26 [pid 4907] exit_group(0 [pid 3499] <... openat resumed>) = 3 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(27 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 4910] close(27 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(27 [pid 4907] <... exit_group resumed>) = ? [pid 3504] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(28 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4907] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 4910] close(28 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(28 [pid 3504] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] close(29 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3504] <... openat resumed>) = 3 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4910] close(29 [pid 4909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4908] close(29 [pid 3504] fstat(3, [pid 3503] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4909] exit_group(0 [pid 4908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4910] exit_group(0 [pid 4909] <... exit_group resumed>) = ? [pid 4908] exit_group(0 [pid 3504] getdents64(3, [pid 3503] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4910] <... exit_group resumed>) = ? [pid 3503] <... openat resumed>) = 3 [pid 3499] lstat("./217/binderfs", [pid 4909] +++ exited with 0 +++ [pid 4908] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] fstat(3, [pid 4910] +++ exited with 0 +++ [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] getdents64(3, [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] unlink("./217/binderfs" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 3499] <... unlink resumed>) = 0 [pid 4908] +++ exited with 0 +++ [pid 3504] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... restart_syscall resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./232/binderfs", [pid 3503] lstat("./230/binderfs", [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] unlink("./232/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./230/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./217/cgroup.net", [pid 3504] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] lstat("./232/cgroup.net", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./230/cgroup.net", [pid 3502] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] getdents64(3, [pid 3500] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] unlink("./217/cgroup.net" [pid 3504] unlink("./232/cgroup.net" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 3504] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./230/cgroup.net" [pid 3502] fstat(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./224/binderfs", [pid 3500] fstat(3, [pid 3499] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] lstat("./232/cgroup.cpu", [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./224/binderfs" [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] unlink("./232/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./224/cgroup.net", [pid 3504] lstat("./232/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./224/cgroup.net" [pid 3504] unlink("./232/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./224/cgroup.cpu", [pid 3504] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] <... close resumed>) = 0 [pid 3501] unlink("./224/cgroup.cpu" [pid 3504] rmdir("./232" [pid 3501] <... unlink resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3501] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./217/cgroup.cpu", [pid 3504] mkdir("./233", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] getdents64(3, [pid 3504] <... mkdir resumed>) = 0 [pid 3501] lstat("./224/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] lstat("./230/cgroup.cpu", [pid 3502] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] unlink("./217/cgroup.cpu"./strace-static-x86_64: Process 4911 attached [pid 3501] unlink("./224/cgroup" [pid 4911] set_robust_list(0x5555573195e0, 24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 235 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 4911] <... set_robust_list resumed>) = 0 [pid 3503] unlink("./230/cgroup.cpu" [pid 3502] lstat("./228/binderfs", [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4911] chdir("./233" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4911] <... chdir resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] close(3 [pid 4911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./228/binderfs" [pid 3500] lstat("./221/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] <... prctl resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./217/cgroup", [pid 4911] setpgid(0, 0 [pid 3503] lstat("./230/cgroup", [pid 3502] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] rmdir("./224" [pid 3500] unlink("./221/binderfs" [pid 4911] <... setpgid resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4911] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] mkdir("./225", 0777 [pid 3500] <... unlink resumed>) = 0 [pid 4911] <... symlink resumed>) = 0 [pid 3503] unlink("./230/cgroup" [pid 3502] lstat("./228/cgroup.net", [pid 3501] <... mkdir resumed>) = 0 [pid 3500] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./217/cgroup" [pid 4911] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4911] <... symlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] unlink("./228/cgroup.net" [pid 3500] lstat("./221/cgroup.net", [pid 3499] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] getdents64(3, ./strace-static-x86_64: Process 4912 attached [pid 4911] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] close(3 [pid 3502] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./221/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4912] set_robust_list(0x5555573195e0, 24 [pid 4911] <... symlink resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] close(3 [pid 4912] <... set_robust_list resumed>) = 0 [pid 4911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] rmdir("./230" [pid 3502] lstat("./228/cgroup.cpu", [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 227 [pid 3500] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 4912] chdir("./225" [pid 4911] <... openat resumed>) = 3 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./217" [pid 4911] write(3, "1000", 4 [pid 4912] <... chdir resumed>) = 0 [pid 3503] mkdir("./231", 0777 [pid 3502] unlink("./228/cgroup.cpu" [pid 3500] lstat("./221/cgroup.cpu", [pid 3499] <... rmdir resumed>) = 0 [pid 4912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4911] <... write resumed>) = 4 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 4912] <... prctl resumed>) = 0 [pid 4911] close(3 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] mkdir("./218", 0777 [pid 4912] setpgid(0, 0 [pid 4911] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./221/cgroup.cpu"./strace-static-x86_64: Process 4913 attached [pid 4912] <... setpgid resumed>) = 0 [pid 4911] read(200, [pid 3499] <... mkdir resumed>) = 0 [pid 4913] set_robust_list(0x5555573195e0, 24 [pid 4912] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4911] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] lstat("./228/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 4913] <... set_robust_list resumed>) = 0 [pid 4912] <... symlink resumed>) = 0 [pid 4911] symlink("/dev/binderfs", "./binderfs" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 233 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4913] chdir("./231" [pid 4912] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4911] <... symlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4913] <... chdir resumed>) = 0 [pid 4912] <... symlink resumed>) = 0 [pid 4911] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] unlink("./228/cgroup"./strace-static-x86_64: Process 4914 attached [pid 4913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4912] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4911] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4914] set_robust_list(0x5555573195e0, 24 [pid 4913] <... prctl resumed>) = 0 [pid 4912] <... symlink resumed>) = 0 [pid 4911] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3502] getdents64(3, [pid 3500] lstat("./221/cgroup", [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 220 [pid 4914] <... set_robust_list resumed>) = 0 [pid 4913] setpgid(0, 0 [pid 4912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4911] <... mmap resumed>) = 0x20002000 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4914] chdir("./218" [pid 4913] <... setpgid resumed>) = 0 [pid 4912] <... openat resumed>) = 3 [pid 4911] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] close(3 [pid 4914] <... chdir resumed>) = 0 [pid 4913] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4912] write(3, "1000", 4 [pid 4911] <... mmap resumed>) = 0x20000000 [pid 3502] <... close resumed>) = 0 [pid 3500] unlink("./221/cgroup" [pid 4914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4913] <... symlink resumed>) = 0 [pid 4912] <... write resumed>) = 4 [pid 4911] close(3 [pid 3502] rmdir("./228" [pid 4914] <... prctl resumed>) = 0 [pid 4913] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4912] close(3 [pid 4911] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4914] setpgid(0, 0 [pid 4913] <... symlink resumed>) = 0 [pid 4912] <... close resumed>) = 0 [pid 4911] close(4 [pid 3502] <... rmdir resumed>) = 0 [pid 4914] <... setpgid resumed>) = 0 [pid 4913] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4912] read(200, [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 3502] mkdir("./229", 0777 [pid 4912] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4911] close(5 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4914] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4913] <... symlink resumed>) = 0 [pid 4912] symlink("/dev/binderfs", "./binderfs" [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4915 attached [pid 4914] <... symlink resumed>) = 0 [pid 4913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4912] <... symlink resumed>) = 0 [pid 4911] close(6 [pid 3500] close(3 [pid 4915] set_robust_list(0x5555573195e0, 24 [pid 4914] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4912] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 231 [pid 4915] <... set_robust_list resumed>) = 0 [pid 4914] <... symlink resumed>) = 0 [pid 4913] <... openat resumed>) = 3 [pid 4912] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4911] close(7 [pid 3500] <... close resumed>) = 0 [pid 4915] chdir("./229" [pid 4914] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4913] write(3, "1000", 4 [pid 4912] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... chdir resumed>) = 0 [pid 4914] <... symlink resumed>) = 0 [pid 4913] <... write resumed>) = 4 [pid 4912] <... mmap resumed>) = 0x20002000 [pid 4911] close(8 [pid 3500] rmdir("./221" [pid 4915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4913] close(3 [pid 4912] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 4915] <... prctl resumed>) = 0 [pid 4914] <... openat resumed>) = 3 [pid 4913] <... close resumed>) = 0 [pid 4912] <... mmap resumed>) = 0x20000000 [pid 4911] close(9 [pid 3500] mkdir("./222", 0777 [pid 4915] setpgid(0, 0 [pid 4914] write(3, "1000", 4 [pid 4913] read(200, [pid 4912] close(3 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... setpgid resumed>) = 0 [pid 4914] <... write resumed>) = 4 [pid 4913] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4912] <... close resumed>) = 0 [pid 4911] close(10 [pid 3500] <... mkdir resumed>) = 0 [pid 4915] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4914] close(3 [pid 4913] symlink("/dev/binderfs", "./binderfs" [pid 4912] close(4 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4915] <... symlink resumed>) = 0 [pid 4914] <... close resumed>) = 0 [pid 4913] <... symlink resumed>) = 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(11 [pid 4915] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4912] close(5 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4916 attached [pid 4915] <... symlink resumed>) = 0 [pid 4914] read(200, [pid 4913] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(12 [pid 4916] set_robust_list(0x5555573195e0, 24 [pid 4915] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4914] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4913] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4912] close(6 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... set_robust_list resumed>) = 0 [pid 4915] <... symlink resumed>) = 0 [pid 4914] symlink("/dev/binderfs", "./binderfs" [pid 4913] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(13 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 224 [pid 4916] chdir("./222" [pid 4915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4914] <... symlink resumed>) = 0 [pid 4913] <... mmap resumed>) = 0x20002000 [pid 4912] close(7 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... chdir resumed>) = 0 [pid 4915] <... openat resumed>) = 3 [pid 4914] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4913] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(14 [pid 4916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4915] write(3, "1000", 4 [pid 4914] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4912] close(8 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... mmap resumed>) = 0x20000000 [pid 4916] <... prctl resumed>) = 0 [pid 4915] <... write resumed>) = 4 [pid 4914] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4913] close(3 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(15 [pid 4916] setpgid(0, 0 [pid 4915] close(3 [pid 4914] <... mmap resumed>) = 0x20002000 [pid 4913] <... close resumed>) = 0 [pid 4912] close(9 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... setpgid resumed>) = 0 [pid 4915] <... close resumed>) = 0 [pid 4914] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4913] close(4 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(16 [pid 4916] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4915] read(200, [pid 4914] <... mmap resumed>) = 0x20000000 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(10 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4914] close(3 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(17 [pid 4916] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4915] symlink("/dev/binderfs", "./binderfs" [pid 4914] <... close resumed>) = 0 [pid 4913] close(5 [pid 4912] close(11 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... symlink resumed>) = 0 [pid 4914] close(4 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(18 [pid 4916] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4915] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(6 [pid 4912] close(12 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... symlink resumed>) = 0 [pid 4915] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4914] close(5 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(19 [pid 4916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4915] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(7 [pid 4912] close(13 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... openat resumed>) = 3 [pid 4914] close(6 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] write(3, "1000", 4 [pid 4915] <... mmap resumed>) = 0x20002000 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(8 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(20 [pid 4914] close(7 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... write resumed>) = 4 [pid 4915] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(9 [pid 4912] close(14 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] close(3 [pid 4915] <... mmap resumed>) = 0x20000000 [pid 4914] close(8 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = 0 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(10 [pid 4912] close(15 [pid 4911] close(21 [pid 4915] close(3 [pid 4914] close(9 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] read(200, [pid 4915] <... close resumed>) = 0 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4915] close(4 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(11 [pid 4912] close(16 [pid 4911] close(22 [pid 4916] symlink("/dev/binderfs", "./binderfs" [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(10 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... symlink resumed>) = 0 [pid 4915] close(5 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(12 [pid 4912] close(17 [pid 4911] close(23 [pid 4916] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(11 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(6 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(13 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(12 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(18 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(14 [pid 4911] close(24 [pid 4915] close(7 [pid 4916] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4914] close(13 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... mmap resumed>) = 0x20002000 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(15 [pid 4912] close(19 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4915] close(8 [pid 4914] close(14 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(25 [pid 4916] <... mmap resumed>) = 0x20000000 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(16 [pid 4912] close(20 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] close(3 [pid 4915] close(9 [pid 4914] close(15 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(26 [pid 4916] <... close resumed>) = 0 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(17 [pid 4912] close(21 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] close(4 [pid 4915] close(10 [pid 4914] close(16 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(27 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(18 [pid 4912] close(22 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] close(5 [pid 4915] close(11 [pid 4914] close(17 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(28 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(19 [pid 4912] close(23 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(12 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] close(29 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(24 [pid 4911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] close(6 [pid 4915] close(13 [pid 4914] close(18 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] exit_group(0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(20 [pid 4912] close(25 [pid 4911] <... exit_group resumed>) = ? [pid 4916] close(7 [pid 4915] close(14 [pid 4914] close(19 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4911] +++ exited with 0 +++ [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(21 [pid 4912] close(26 [pid 4916] close(8 [pid 4915] close(15 [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] close(27 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(16 [pid 4914] close(20 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 4916] close(9 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(22 [pid 4912] close(28 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(17 [pid 4914] close(21 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] close(10 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(23 [pid 4912] close(29 [pid 3504] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(18 [pid 4914] close(22 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] close(11 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(24 [pid 4912] exit_group(0 [pid 3504] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(19 [pid 4914] close(23 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] <... exit_group resumed>) = ? [pid 3504] <... openat resumed>) = 3 [pid 4916] close(12 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] close(25 [pid 3504] fstat(3, [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(20 [pid 4914] close(24 [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4916] close(13 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4912] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(21 [pid 4913] close(26 [pid 4914] close(25 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4916] close(14 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(22 [pid 4914] close(26 [pid 4913] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4916] close(15 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./233/binderfs", [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(23 [pid 4914] close(27 [pid 4913] close(28 [pid 3501] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] close(16 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(28 [pid 4913] close(29 [pid 3504] unlink("./233/binderfs" [pid 3501] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4916] close(17 [pid 4915] close(24 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] close(29 [pid 4913] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 4916] close(18 [pid 4915] close(25 [pid 4914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4913] <... exit_group resumed>) = ? [pid 3504] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] exit_group(0 [pid 4913] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 4916] close(19 [pid 4915] close(26 [pid 4914] <... exit_group resumed>) = ? [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4914] +++ exited with 0 +++ [pid 3504] lstat("./233/cgroup.net", [pid 3501] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] close(20 [pid 4915] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./225/binderfs", [pid 4916] close(21 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./233/cgroup.net" [pid 3503] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./225/binderfs" [pid 4916] close(22 [pid 3501] <... unlink resumed>) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] close(23 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./225/cgroup.net", [pid 4916] close(24 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./225/cgroup.net" [pid 4916] close(25 [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... unlink resumed>) = 0 [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] close(26 [pid 4915] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./233/cgroup.cpu", [pid 3503] <... openat resumed>) = 3 [pid 3499] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] close(27 [pid 4915] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./225/cgroup.cpu", [pid 3503] fstat(3, [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] close(28 [pid 4915] <... exit_group resumed>) = ? [pid 3504] unlink("./233/cgroup.cpu" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] unlink("./225/cgroup.cpu" [pid 3499] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4915] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 4916] close(29 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 4916] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./225/cgroup", [pid 3499] fstat(3, [pid 4916] <... exit_group resumed>) = ? [pid 3504] lstat("./233/cgroup", [pid 3503] lstat("./231/binderfs", [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4916] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] unlink("./225/cgroup" [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] unlink("./231/binderfs" [pid 3501] <... unlink resumed>) = 0 [pid 3504] unlink("./233/cgroup" [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] getdents64(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] getdents64(3, [pid 3502] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] lstat("./231/cgroup.net", [pid 3501] <... close resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] close(3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] rmdir("./225" [pid 3500] <... openat resumed>) = 3 [pid 3499] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... close resumed>) = 0 [pid 3503] unlink("./231/cgroup.net" [pid 3502] fstat(3, [pid 3501] <... rmdir resumed>) = 0 [pid 3500] fstat(3, [pid 3504] rmdir("./233" [pid 3503] <... unlink resumed>) = 0 [pid 3501] mkdir("./226", 0777 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] getdents64(3, [pid 3504] mkdir("./234", 0777 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./218/binderfs", ./strace-static-x86_64: Process 4917 attached [pid 3504] <... mkdir resumed>) = 0 [pid 3503] lstat("./231/cgroup.cpu", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4917] set_robust_list(0x5555573195e0, 24 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 228 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] <... set_robust_list resumed>) = 0 [pid 3503] unlink("./231/cgroup.cpu" [pid 3502] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./222/binderfs", [pid 3499] unlink("./218/binderfs" [pid 4917] chdir("./226" [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4917] <... chdir resumed>) = 0 [pid 3503] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./229/binderfs", [pid 3500] unlink("./222/binderfs" [pid 4917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4918 attached [pid 4917] <... prctl resumed>) = 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 236 [pid 3503] lstat("./231/cgroup", [pid 3502] unlink("./229/binderfs" [pid 3500] umount2("./222/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 4918] set_robust_list(0x5555573195e0, 24 [pid 4917] setpgid(0, 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] <... set_robust_list resumed>) = 0 [pid 4917] <... setpgid resumed>) = 0 [pid 3503] unlink("./231/cgroup" [pid 3502] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./222/cgroup.net", [pid 3499] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4918] chdir("./234" [pid 4917] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4918] <... chdir resumed>) = 0 [pid 4917] <... symlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] lstat("./229/cgroup.net", [pid 3500] unlink("./222/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4917] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4918] <... prctl resumed>) = 0 [pid 4917] <... symlink resumed>) = 0 [pid 3503] close(3 [pid 3502] unlink("./229/cgroup.net" [pid 3500] umount2("./222/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./218/cgroup.net", [pid 4918] setpgid(0, 0 [pid 4917] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3503] <... close resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] <... setpgid resumed>) = 0 [pid 4917] <... symlink resumed>) = 0 [pid 3503] rmdir("./231" [pid 3502] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./222/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4918] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4918] <... symlink resumed>) = 0 [pid 4917] <... openat resumed>) = 3 [pid 3503] mkdir("./232", 0777 [pid 3502] lstat("./229/cgroup.cpu", [pid 3500] unlink("./222/cgroup.cpu" [pid 3499] unlink("./218/cgroup.net" [pid 4918] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4917] write(3, "1000", 4 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4918] <... symlink resumed>) = 0 [pid 4917] <... write resumed>) = 4 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] unlink("./229/cgroup.cpu" [pid 3500] umount2("./222/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4919 attached [pid 4918] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4917] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4919] set_robust_list(0x5555573195e0, 24 [pid 4917] <... close resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 234 [pid 3502] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./222/cgroup", [pid 4918] <... symlink resumed>) = 0 [pid 3499] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4919] <... set_robust_list resumed>) = 0 [pid 4917] read(200, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4917] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] lstat("./229/cgroup", [pid 3500] unlink("./222/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4919] chdir("./232" [pid 4918] <... openat resumed>) = 3 [pid 4917] symlink("/dev/binderfs", "./binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4919] <... chdir resumed>) = 0 [pid 4918] write(3, "1000", 4 [pid 4917] <... symlink resumed>) = 0 [pid 3502] unlink("./229/cgroup" [pid 3500] getdents64(3, [pid 3499] lstat("./218/cgroup.cpu", [pid 4919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4918] <... write resumed>) = 4 [pid 4917] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4919] <... prctl resumed>) = 0 [pid 4918] close(3 [pid 4917] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3502] getdents64(3, [pid 3500] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4919] setpgid(0, 0 [pid 4918] <... close resumed>) = 0 [pid 4917] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... close resumed>) = 0 [pid 4919] <... setpgid resumed>) = 0 [pid 4918] read(200, [pid 4917] <... mmap resumed>) = 0x20002000 [pid 3502] close(3 [pid 3500] rmdir("./222" [pid 3499] unlink("./218/cgroup.cpu" [pid 4919] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4918] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4917] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... close resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 4919] <... symlink resumed>) = 0 [pid 4918] symlink("/dev/binderfs", "./binderfs" [pid 4917] <... mmap resumed>) = 0x20000000 [pid 3502] rmdir("./229" [pid 3500] mkdir("./223", 0777 [pid 3499] <... unlink resumed>) = 0 [pid 4919] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4918] <... symlink resumed>) = 0 [pid 4917] close(3 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 4919] <... symlink resumed>) = 0 [pid 4918] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4917] <... close resumed>) = 0 [pid 3502] mkdir("./230", 0777 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4919] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4918] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4917] close(4 [pid 3502] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4920 attached [pid 4919] <... symlink resumed>) = 0 [pid 4918] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 225 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4920] set_robust_list(0x5555573195e0, 24 [pid 4919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3499] lstat("./218/cgroup", [pid 4920] <... set_robust_list resumed>) = 0 [pid 4919] <... openat resumed>) = 3 [pid 4918] <... mmap resumed>) = 0x20002000 [pid 4917] close(5 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4920] chdir("./223" [pid 4919] write(3, "1000", 4 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./218/cgroup"./strace-static-x86_64: Process 4921 attached [pid 4920] <... chdir resumed>) = 0 [pid 4919] <... write resumed>) = 4 [pid 4918] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4917] close(6 [pid 3499] <... unlink resumed>) = 0 [pid 4921] set_robust_list(0x5555573195e0, 24 [pid 4920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4919] close(3 [pid 3499] getdents64(3, [pid 4921] <... set_robust_list resumed>) = 0 [pid 4920] <... prctl resumed>) = 0 [pid 4919] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4921] chdir("./230" [pid 4920] setpgid(0, 0 [pid 4919] read(200, [pid 3499] close(3 [pid 4921] <... chdir resumed>) = 0 [pid 4920] <... setpgid resumed>) = 0 [pid 4919] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3499] <... close resumed>) = 0 [pid 4921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4920] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4919] symlink("/dev/binderfs", "./binderfs" [pid 3499] rmdir("./218" [pid 4921] <... prctl resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4919] <... symlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 4921] setpgid(0, 0 [pid 4920] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4919] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4918] <... mmap resumed>) = 0x20000000 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 232 [pid 3499] mkdir("./219", 0777 [pid 4921] <... setpgid resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4919] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4918] close(3 [pid 4917] close(7 [pid 3499] <... mkdir resumed>) = 0 [pid 4921] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4920] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4919] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4922 attached [pid 4921] <... symlink resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4919] <... mmap resumed>) = 0x20002000 [pid 4918] <... close resumed>) = 0 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4919] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4918] close(4 [pid 4917] close(8 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 221 [pid 4922] set_robust_list(0x5555573195e0, 24 [pid 4921] <... symlink resumed>) = 0 [pid 4920] <... openat resumed>) = 3 [pid 4919] <... mmap resumed>) = 0x20000000 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... set_robust_list resumed>) = 0 [pid 4921] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4920] write(3, "1000", 4 [pid 4919] close(3 [pid 4918] close(5 [pid 4917] close(9 [pid 4922] chdir("./219" [pid 4921] <... symlink resumed>) = 0 [pid 4920] <... write resumed>) = 4 [pid 4919] <... close resumed>) = 0 [pid 4922] <... chdir resumed>) = 0 [pid 4921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4920] close(3 [pid 4919] close(4 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4921] <... openat resumed>) = 3 [pid 4920] <... close resumed>) = 0 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(6 [pid 4917] close(10 [pid 4922] <... prctl resumed>) = 0 [pid 4921] write(3, "1000", 4 [pid 4920] read(200, [pid 4919] close(5 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] setpgid(0, 0 [pid 4921] <... write resumed>) = 4 [pid 4920] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(7 [pid 4917] close(11 [pid 4922] <... setpgid resumed>) = 0 [pid 4921] close(3 [pid 4920] symlink("/dev/binderfs", "./binderfs" [pid 4919] close(6 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4921] <... close resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(8 [pid 4922] <... symlink resumed>) = 0 [pid 4921] read(200, [pid 4920] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4919] close(7 [pid 4922] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4921] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4920] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... symlink resumed>) = 0 [pid 4921] symlink("/dev/binderfs", "./binderfs" [pid 4920] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4919] close(8 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(12 [pid 4922] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4921] <... symlink resumed>) = 0 [pid 4920] <... mmap resumed>) = 0x20002000 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(9 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... symlink resumed>) = 0 [pid 4921] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4920] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4919] close(9 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(13 [pid 4922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4921] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4920] <... mmap resumed>) = 0x20000000 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... openat resumed>) = 3 [pid 4921] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4920] close(3 [pid 4919] close(10 [pid 4918] close(10 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] write(3, "1000", 4 [pid 4921] <... mmap resumed>) = 0x20002000 [pid 4920] <... close resumed>) = 0 [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... write resumed>) = 4 [pid 4921] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4920] close(4 [pid 4919] close(11 [pid 4918] close(11 [pid 4917] close(14 [pid 4922] close(3 [pid 4921] <... mmap resumed>) = 0x20000000 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = 0 [pid 4921] close(3 [pid 4920] close(5 [pid 4919] close(12 [pid 4922] read(200, [pid 4921] <... close resumed>) = 0 [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4921] close(4 [pid 4920] close(6 [pid 4919] close(13 [pid 4918] close(12 [pid 4922] symlink("/dev/binderfs", "./binderfs" [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(15 [pid 4922] <... symlink resumed>) = 0 [pid 4921] close(5 [pid 4920] close(7 [pid 4919] close(14 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(13 [pid 4917] close(16 [pid 4922] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4921] close(6 [pid 4920] close(8 [pid 4919] close(15 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(14 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... mmap resumed>) = 0x20002000 [pid 4921] close(7 [pid 4920] close(9 [pid 4919] close(16 [pid 4922] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... mmap resumed>) = 0x20000000 [pid 4921] close(8 [pid 4920] close(10 [pid 4919] close(17 [pid 4922] close(3 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = 0 [pid 4921] close(9 [pid 4920] close(11 [pid 4919] close(18 [pid 4922] close(4 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(10 [pid 4920] close(12 [pid 4919] close(19 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(17 [pid 4922] close(5 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(15 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(11 [pid 4920] close(13 [pid 4919] close(20 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(18 [pid 4922] close(6 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(16 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(12 [pid 4920] close(14 [pid 4919] close(21 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(19 [pid 4922] close(7 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(17 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(13 [pid 4920] close(15 [pid 4919] close(22 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(20 [pid 4922] close(8 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(18 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(14 [pid 4920] close(16 [pid 4919] close(23 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(21 [pid 4922] close(9 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(19 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(15 [pid 4920] close(17 [pid 4919] close(24 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(22 [pid 4922] close(10 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(20 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(16 [pid 4920] close(18 [pid 4919] close(25 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(23 [pid 4922] close(11 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(21 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(17 [pid 4920] close(19 [pid 4919] close(26 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(24 [pid 4922] close(12 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(22 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(18 [pid 4920] close(20 [pid 4919] close(27 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(25 [pid 4922] close(13 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(23 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(19 [pid 4920] close(21 [pid 4919] close(28 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(26 [pid 4922] close(14 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(24 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(20 [pid 4920] close(22 [pid 4919] close(29 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(27 [pid 4922] close(15 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(25 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(21 [pid 4920] close(23 [pid 4919] exit_group(0 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] close(28 [pid 4922] close(16 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4919] <... exit_group resumed>) = ? [pid 4918] close(26 [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(22 [pid 4920] close(24 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] close(17 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] close(27 [pid 4917] close(29 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(23 [pid 4920] close(25 [pid 4919] +++ exited with 0 +++ [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] close(18 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4917] exit_group(0 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] close(24 [pid 4920] close(26 [pid 4918] close(28 [pid 4917] <... exit_group resumed>) = ? [pid 4922] close(19 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4921] close(25 [pid 4920] close(27 [pid 4918] close(29 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4922] close(20 [pid 4921] close(26 [pid 4920] close(28 [pid 4918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4918] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4922] close(21 [pid 4921] close(27 [pid 4920] close(29 [pid 4918] <... exit_group resumed>) = ? [pid 3503] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 4922] close(22 [pid 4921] close(28 [pid 4920] exit_group(0 [pid 4918] +++ exited with 0 +++ [pid 4917] +++ exited with 0 +++ [pid 3503] fstat(3, [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4920] <... exit_group resumed>) = ? [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4922] close(23 [pid 4921] close(29 [pid 3503] getdents64(3, 0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4922] close(24 [pid 4921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4921] exit_group(0 [pid 4920] +++ exited with 0 +++ [pid 3503] lstat("./232/binderfs", [pid 4922] close(25 [pid 4921] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./232/binderfs") = 0 [pid 3503] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4922] close(26 [pid 4921] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3503] lstat("./232/cgroup.net", [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4922] close(27 [pid 3504] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./232/cgroup.net") = 0 [pid 3502] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... openat resumed>) = 3 [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4922] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./232/cgroup.cpu", [pid 3502] <... openat resumed>) = 3 [pid 3501] fstat(3, [pid 3500] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] fstat(3, [pid 3503] unlink("./232/cgroup.cpu" [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4922] close(29 [pid 3504] <... openat resumed>) = 3 [pid 3503] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3503] lstat("./232/cgroup", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] lstat("./230/binderfs", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] unlink("./232/cgroup" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] unlink("./230/binderfs" [pid 3501] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 4922] exit_group(0 [pid 3504] getdents64(3, [pid 3503] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] fstat(3, [pid 4922] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... close resumed>) = 0 [pid 3502] lstat("./230/cgroup.net", [pid 4922] +++ exited with 0 +++ [pid 3504] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] rmdir("./232" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./226/binderfs", [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] unlink("./230/cgroup.net" [pid 3504] lstat("./234/binderfs", [pid 3503] mkdir("./233", 0777 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] getdents64(3, [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./226/binderfs" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4923 attached [pid 3504] unlink("./234/binderfs" [pid 3502] lstat("./230/cgroup.cpu", [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] set_robust_list(0x5555573195e0, 24 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 235 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] <... set_robust_list resumed>) = 0 [pid 3504] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./230/cgroup.cpu" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4923] chdir("./233" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./226/cgroup.net", [pid 3500] lstat("./223/binderfs", [pid 4923] <... chdir resumed>) = 0 [pid 3502] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] lstat("./234/cgroup.net", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4923] <... prctl resumed>) = 0 [pid 3502] lstat("./230/cgroup", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4923] setpgid(0, 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./226/cgroup.net" [pid 3500] unlink("./223/binderfs" [pid 4923] <... setpgid resumed>) = 0 [pid 3504] unlink("./234/cgroup.net" [pid 3502] unlink("./230/cgroup" [pid 3499] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4923] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4923] <... symlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 4923] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4923] <... symlink resumed>) = 0 [pid 3504] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 3501] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 4923] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 4923] <... symlink resumed>) = 0 [pid 3502] rmdir("./230" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] lstat("./234/cgroup.cpu", [pid 3502] <... rmdir resumed>) = 0 [pid 3501] lstat("./226/cgroup.cpu", [pid 3500] lstat("./223/cgroup.net", [pid 4923] <... openat resumed>) = 3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] mkdir("./231", 0777 [pid 3499] getdents64(3, [pid 4923] write(3, "1000", 4 [pid 3504] unlink("./234/cgroup.cpu" [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4923] <... write resumed>) = 4 [pid 3504] <... unlink resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] unlink("./226/cgroup.cpu" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 4924 attached [pid 4923] close(3 [pid 3504] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./223/cgroup.net" [pid 4924] set_robust_list(0x5555573195e0, 24 [pid 4923] <... close resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 233 [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4924] <... set_robust_list resumed>) = 0 [pid 4923] read(200, [pid 3504] lstat("./234/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 4924] chdir("./231" [pid 4923] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3501] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4924] <... chdir resumed>) = 0 [pid 4923] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4923] <... symlink resumed>) = 0 [pid 3504] unlink("./234/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./219/binderfs", [pid 4924] <... prctl resumed>) = 0 [pid 4923] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4924] setpgid(0, 0 [pid 4923] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3504] <... unlink resumed>) = 0 [pid 3501] lstat("./226/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4924] <... setpgid resumed>) = 0 [pid 4923] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] getdents64(3, [pid 3500] lstat("./223/cgroup.cpu", [pid 4924] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4923] <... mmap resumed>) = 0x20002000 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./219/binderfs" [pid 4924] <... symlink resumed>) = 0 [pid 4923] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] unlink("./226/cgroup" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4924] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4923] <... mmap resumed>) = 0x20000000 [pid 3504] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 4924] <... symlink resumed>) = 0 [pid 4923] close(3 [pid 3504] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./223/cgroup.cpu" [pid 3499] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4924] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4923] <... close resumed>) = 0 [pid 3504] rmdir("./234" [pid 3501] getdents64(3, [pid 4924] <... symlink resumed>) = 0 [pid 4923] close(4 [pid 3504] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./235", 0777 [pid 3501] close(3 [pid 3500] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4924] <... openat resumed>) = 3 [pid 4923] close(5 [pid 3499] lstat("./219/cgroup.net", [pid 4924] write(3, "1000", 4 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4924] <... write resumed>) = 4 [pid 4923] close(6 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4924] close(3 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./226" [pid 3500] lstat("./223/cgroup", [pid 4924] <... close resumed>) = 0 [pid 4923] close(7 [pid 4924] read(200, [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4923] close(8./strace-static-x86_64: Process 4925 attached [pid 4924] symlink("/dev/binderfs", "./binderfs" [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./219/cgroup.net" [pid 4925] set_robust_list(0x5555573195e0, 24 [pid 4924] <... symlink resumed>) = 0 [pid 4923] close(9 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 237 [pid 3501] mkdir("./227", 0777 [pid 3500] unlink("./223/cgroup" [pid 4925] <... set_robust_list resumed>) = 0 [pid 4924] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 4925] chdir("./235" [pid 4924] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4923] close(10 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4925] <... chdir resumed>) = 0 [pid 4924] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4924] <... mmap resumed>) = 0x20002000 [pid 4923] close(11 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] getdents64(3, [pid 4925] <... prctl resumed>) = 0 [pid 4924] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4925] setpgid(0, 0 [pid 4924] <... mmap resumed>) = 0x20000000 [pid 4923] close(12./strace-static-x86_64: Process 4926 attached [pid 4925] <... setpgid resumed>) = 0 [pid 4924] close(3 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./219/cgroup.cpu", [pid 4926] set_robust_list(0x5555573195e0, 24 [pid 4925] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4924] <... close resumed>) = 0 [pid 4923] close(13 [pid 4926] <... set_robust_list resumed>) = 0 [pid 4925] <... symlink resumed>) = 0 [pid 4924] close(4 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 229 [pid 3500] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4926] chdir("./227" [pid 4925] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(14 [pid 4926] <... chdir resumed>) = 0 [pid 4925] <... symlink resumed>) = 0 [pid 4924] close(5 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 3499] unlink("./219/cgroup.cpu" [pid 4926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4925] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(15 [pid 4926] <... prctl resumed>) = 0 [pid 4925] <... symlink resumed>) = 0 [pid 4924] close(6 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./223" [pid 3499] <... unlink resumed>) = 0 [pid 4926] setpgid(0, 0 [pid 4925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(16 [pid 4926] <... setpgid resumed>) = 0 [pid 4925] <... openat resumed>) = 3 [pid 4924] close(7 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 3499] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4926] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4925] write(3, "1000", 4 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(17 [pid 4926] <... symlink resumed>) = 0 [pid 4925] <... write resumed>) = 4 [pid 4924] close(8 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./224", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4926] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4925] close(3 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(18 [pid 4926] <... symlink resumed>) = 0 [pid 4925] <... close resumed>) = 0 [pid 4924] close(9 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 3499] lstat("./219/cgroup", [pid 4926] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4925] read(200, [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(19 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4926] <... symlink resumed>) = 0 [pid 4925] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4924] close(10 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4925] symlink("/dev/binderfs", "./binderfs" [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(20./strace-static-x86_64: Process 4927 attached [pid 4926] <... openat resumed>) = 3 [pid 4925] <... symlink resumed>) = 0 [pid 4924] close(11 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./219/cgroup" [pid 4927] set_robust_list(0x5555573195e0, 24 [pid 4926] write(3, "1000", 4 [pid 4925] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(21 [pid 4927] <... set_robust_list resumed>) = 0 [pid 4926] <... write resumed>) = 4 [pid 4925] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4924] close(12 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 226 [pid 3499] <... unlink resumed>) = 0 [pid 4927] chdir("./224" [pid 4926] close(3 [pid 4925] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(22 [pid 3499] getdents64(3, [pid 4927] <... chdir resumed>) = 0 [pid 4926] <... close resumed>) = 0 [pid 4925] <... mmap resumed>) = 0x20002000 [pid 4924] close(13 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4926] read(200, [pid 4925] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(23 [pid 3499] close(3 [pid 4927] <... prctl resumed>) = 0 [pid 4926] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4925] <... mmap resumed>) = 0x20000000 [pid 4924] close(14 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] setpgid(0, 0 [pid 4926] symlink("/dev/binderfs", "./binderfs" [pid 4925] close(3 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(24 [pid 3499] <... close resumed>) = 0 [pid 4927] <... setpgid resumed>) = 0 [pid 4926] <... symlink resumed>) = 0 [pid 4925] <... close resumed>) = 0 [pid 4924] close(15 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4926] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4925] close(4 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(25 [pid 3499] rmdir("./219" [pid 4927] <... symlink resumed>) = 0 [pid 4926] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(16 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4926] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4925] close(5 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(26 [pid 3499] <... rmdir resumed>) = 0 [pid 4927] <... symlink resumed>) = 0 [pid 4926] <... mmap resumed>) = 0x20002000 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(17 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./220", 0777 [pid 4927] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4926] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4925] close(6 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(27 [pid 3499] <... mkdir resumed>) = 0 [pid 4927] <... symlink resumed>) = 0 [pid 4926] <... mmap resumed>) = 0x20000000 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(18 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4926] close(3 [pid 4925] close(7 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(28./strace-static-x86_64: Process 4928 attached [pid 4927] <... openat resumed>) = 3 [pid 4926] <... close resumed>) = 0 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(19 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 222 [pid 4928] set_robust_list(0x5555573195e0, 24 [pid 4927] write(3, "1000", 4 [pid 4926] close(4 [pid 4925] close(8 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] close(29 [pid 4928] <... set_robust_list resumed>) = 0 [pid 4927] <... write resumed>) = 4 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(20 [pid 4923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] chdir("./220" [pid 4927] close(3 [pid 4926] close(5 [pid 4925] close(9 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] exit_group(0 [pid 4928] <... chdir resumed>) = 0 [pid 4927] <... close resumed>) = 0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(21 [pid 4923] <... exit_group resumed>) = ? [pid 4928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4927] read(200, [pid 4926] close(6 [pid 4925] close(10 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4923] +++ exited with 0 +++ [pid 4928] <... prctl resumed>) = 0 [pid 4927] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(22 [pid 4928] setpgid(0, 0 [pid 4927] symlink("/dev/binderfs", "./binderfs" [pid 4925] close(11 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4928] <... setpgid resumed>) = 0 [pid 4927] <... symlink resumed>) = 0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(23 [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 4928] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4927] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4926] close(7 [pid 4925] close(12 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... restart_syscall resumed>) = 0 [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(24 [pid 4928] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4927] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4925] close(13 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... mmap resumed>) = 0x20002000 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(25 [pid 4928] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4927] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4926] close(8 [pid 4925] close(14 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... mmap resumed>) = 0x20000000 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(26 [pid 3503] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4927] close(3 [pid 4926] close(9 [pid 4925] close(15 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... openat resumed>) = 3 [pid 4927] <... close resumed>) = 0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4928] write(3, "1000", 4 [pid 4927] close(4 [pid 4926] close(10 [pid 4925] close(16 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... write resumed>) = 4 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] close(28 [pid 3503] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4928] close(3 [pid 4927] close(5 [pid 4926] close(11 [pid 4925] close(17 [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 4928] <... close resumed>) = 0 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 4924] close(29 [pid 4928] read(200, [pid 4927] close(6 [pid 4926] close(12 [pid 4925] close(18 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4928] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 4928] symlink("/dev/binderfs", "./binderfs" [pid 4926] close(13 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4924] exit_group(0 [pid 4927] close(7 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4928] <... symlink resumed>) = 0 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] close(14 [pid 4925] close(19 [pid 4924] <... exit_group resumed>) = ? [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4928] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(8 [pid 3503] lstat("./233/binderfs", [pid 4926] close(15 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(20 [pid 3503] unlink("./233/binderfs" [pid 4928] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4927] close(9 [pid 4926] close(16 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4924] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 4928] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(21 [pid 3503] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4928] <... mmap resumed>) = 0x20002000 [pid 4926] close(17 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4927] close(10 [pid 4928] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(22 [pid 3503] lstat("./233/cgroup.net", [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4928] <... mmap resumed>) = 0x20000000 [pid 4927] close(11 [pid 4926] close(18 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4928] close(3 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(23 [pid 3503] unlink("./233/cgroup.net" [pid 4928] <... close resumed>) = 0 [pid 4927] close(12 [pid 4926] close(19 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4928] close(4 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(24 [pid 3503] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(13 [pid 4926] close(20 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4928] close(5 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(25 [pid 3503] lstat("./233/cgroup.cpu", [pid 3502] <... openat resumed>) = 3 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(14 [pid 4926] close(21 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./233/cgroup.cpu" [pid 4926] close(22 [pid 3503] <... unlink resumed>) = 0 [pid 4928] close(6 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(26 [pid 3503] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] fstat(3, [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(15 [pid 4926] close(23 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4928] close(7 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(27 [pid 3503] lstat("./233/cgroup", [pid 3502] getdents64(3, [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(16 [pid 4926] close(24 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4928] close(8 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(28 [pid 3503] unlink("./233/cgroup" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(17 [pid 4926] close(25 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4928] close(9 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] close(29 [pid 3503] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(18 [pid 4926] close(26 [pid 4925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4928] close(10 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4925] exit_group(0 [pid 3503] close(3 [pid 3502] lstat("./231/binderfs", [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(19 [pid 4926] close(27 [pid 4925] <... exit_group resumed>) = ? [pid 3503] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4928] close(11 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./233" [pid 4926] close(28 [pid 3503] <... rmdir resumed>) = 0 [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./234", 0777 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(20 [pid 4926] close(29 [pid 4925] +++ exited with 0 +++ [pid 3502] unlink("./231/binderfs" [pid 4928] close(12 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(21 [pid 4926] exit_group(0 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4928] close(13 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4926] <... exit_group resumed>) = ? [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(22 [pid 3502] lstat("./231/cgroup.net", [pid 4928] close(14 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] close(23 [pid 3502] unlink("./231/cgroup.net"./strace-static-x86_64: Process 4929 attached [pid 4928] close(15 [pid 4926] +++ exited with 0 +++ [pid 3504] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] set_robust_list(0x5555573195e0, 24 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 236 [pid 3502] <... unlink resumed>) = 0 [pid 4929] <... set_robust_list resumed>) = 0 [pid 4928] close(16 [pid 4927] close(24 [pid 3504] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4929] chdir("./234" [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 4929] <... chdir resumed>) = 0 [pid 4928] close(17 [pid 4927] close(25 [pid 3504] fstat(3, [pid 3502] lstat("./231/cgroup.cpu", [pid 4929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... restart_syscall resumed>) = 0 [pid 4929] <... prctl resumed>) = 0 [pid 4928] close(18 [pid 4927] close(26 [pid 3504] getdents64(3, [pid 3502] unlink("./231/cgroup.cpu" [pid 4929] setpgid(0, 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... unlink resumed>) = 0 [pid 4929] <... setpgid resumed>) = 0 [pid 4928] close(19 [pid 4927] close(27 [pid 3504] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4929] <... symlink resumed>) = 0 [pid 4928] close(20 [pid 3504] lstat("./235/binderfs", [pid 4927] close(28 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4929] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] lstat("./231/cgroup", [pid 3501] <... openat resumed>) = 3 [pid 4929] <... symlink resumed>) = 0 [pid 3504] unlink("./235/binderfs" [pid 3501] fstat(3, [pid 4929] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4929] <... symlink resumed>) = 0 [pid 4927] close(29 [pid 3504] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] getdents64(3, [pid 4929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4928] close(21 [pid 4927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./231/cgroup" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4929] <... openat resumed>) = 3 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4927] exit_group(0 [pid 3504] lstat("./235/cgroup.net", [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] write(3, "1000", 4 [pid 4928] close(22 [pid 4927] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4929] <... write resumed>) = 4 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./235/cgroup.net" [pid 3501] lstat("./227/binderfs", [pid 4929] close(3 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4929] <... close resumed>) = 0 [pid 3504] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./227/binderfs" [pid 4929] read(200, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 4929] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] lstat("./235/cgroup.cpu", [pid 3502] close(3 [pid 3501] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] symlink("/dev/binderfs", "./binderfs" [pid 4928] close(23 [pid 4927] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4929] <... symlink resumed>) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./235/cgroup.cpu" [pid 3502] rmdir("./231" [pid 3501] lstat("./227/cgroup.net", [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4929] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4928] close(24 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 4929] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./232", 0777 [pid 3501] unlink("./227/cgroup.net" [pid 3500] <... restart_syscall resumed>) = 0 [pid 4929] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4928] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 4929] <... mmap resumed>) = 0x20002000 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./235/cgroup", [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4928] close(26 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4929] <... mmap resumed>) = 0x20000000 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./235/cgroup" [pid 3501] lstat("./227/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4929] close(3 [pid 4928] close(27 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4929] <... close resumed>) = 0 [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] unlink("./227/cgroup.cpu" [pid 3500] <... openat resumed>) = 3 [pid 4929] close(4 [pid 4928] close(28 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] fstat(3, ./strace-static-x86_64: Process 4930 attached [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3501] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4930] set_robust_list(0x5555573195e0, 24 [pid 4929] close(5 [pid 4928] close(29 [pid 3504] <... close resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 234 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 4930] <... set_robust_list resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./235" [pid 3501] lstat("./227/cgroup", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4930] chdir("./232" [pid 4929] close(6 [pid 4928] exit_group(0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4930] <... chdir resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4928] <... exit_group resumed>) = ? [pid 3504] mkdir("./236", 0777 [pid 3501] unlink("./227/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4929] close(7 [pid 4928] +++ exited with 0 +++ [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./224/binderfs", [pid 4930] <... prctl resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4930] setpgid(0, 0 [pid 4929] close(8./strace-static-x86_64: Process 4931 attached [pid 4930] <... setpgid resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./224/binderfs" [pid 4931] set_robust_list(0x5555573195e0, 24 [pid 4930] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4929] close(9 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 238 [pid 3501] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4931] <... set_robust_list resumed>) = 0 [pid 4930] <... symlink resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3500] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4931] chdir("./236" [pid 4930] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4929] close(10 [pid 3501] rmdir("./227" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 4931] <... chdir resumed>) = 0 [pid 4930] <... symlink resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] lstat("./224/cgroup.net", [pid 3499] <... restart_syscall resumed>) = 0 [pid 4931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4930] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4929] close(11 [pid 3501] mkdir("./228", 0777 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4931] <... prctl resumed>) = 0 [pid 4930] <... symlink resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] unlink("./224/cgroup.net" [pid 4931] setpgid(0, 0 [pid 4930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4929] close(12 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4932 attached [pid 4931] <... setpgid resumed>) = 0 [pid 4930] <... openat resumed>) = 3 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4931] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4930] write(3, "1000", 4 [pid 4929] close(13 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 230 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4932] set_robust_list(0x5555573195e0, 24 [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... write resumed>) = 4 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./224/cgroup.cpu", [pid 4932] <... set_robust_list resumed>) = 0 [pid 4931] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4930] close(3 [pid 4929] close(14 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4932] chdir("./228" [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... close resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./224/cgroup.cpu" [pid 4932] <... chdir resumed>) = 0 [pid 4931] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4930] read(200, [pid 4929] close(15 [pid 3500] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4932] <... prctl resumed>) = 0 [pid 4931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4930] symlink("/dev/binderfs", "./binderfs" [pid 4929] close(16 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 4932] setpgid(0, 0 [pid 4931] <... openat resumed>) = 3 [pid 4930] <... symlink resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./224/cgroup", [pid 4931] write(3, "1000", 4 [pid 4930] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4929] close(17 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4931] <... write resumed>) = 4 [pid 4930] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./224/cgroup" [pid 4932] <... setpgid resumed>) = 0 [pid 4931] close(3 [pid 4930] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4929] close(18 [pid 3500] <... unlink resumed>) = 0 [pid 3499] fstat(3, [pid 4932] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4931] <... close resumed>) = 0 [pid 4930] <... mmap resumed>) = 0x20002000 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 4932] <... symlink resumed>) = 0 [pid 4931] read(200, [pid 4930] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4929] close(19 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4932] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4931] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4930] <... mmap resumed>) = 0x20000000 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 4932] <... symlink resumed>) = 0 [pid 4931] symlink("/dev/binderfs", "./binderfs" [pid 4930] close(3 [pid 4929] close(20 [pid 3500] <... close resumed>) = 0 [pid 3499] getdents64(3, [pid 4932] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4931] <... symlink resumed>) = 0 [pid 4930] <... close resumed>) = 0 [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./224" [pid 4932] <... symlink resumed>) = 0 [pid 4931] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4930] close(4 [pid 4929] close(21 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4931] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./225", 0777 [pid 4931] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4930] close(5 [pid 4929] close(22 [pid 3500] <... mkdir resumed>) = 0 [pid 4931] <... mmap resumed>) = 0x20002000 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4933 attached [pid 4932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4931] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4930] close(6 [pid 4929] close(23 [pid 3499] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4933] set_robust_list(0x5555573195e0, 24 [pid 4932] <... openat resumed>) = 3 [pid 4931] <... mmap resumed>) = 0x20000000 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 227 [pid 4933] <... set_robust_list resumed>) = 0 [pid 4932] write(3, "1000", 4 [pid 4931] close(3 [pid 4930] close(7 [pid 4929] close(24 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] chdir("./225" [pid 4932] <... write resumed>) = 4 [pid 4931] <... close resumed>) = 0 [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... chdir resumed>) = 0 [pid 4931] close(4 [pid 4930] close(8 [pid 4929] close(25 [pid 3499] lstat("./220/binderfs", [pid 4933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4932] close(3 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4933] <... prctl resumed>) = 0 [pid 4932] <... close resumed>) = 0 [pid 4931] close(5 [pid 4930] close(9 [pid 4929] close(26 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4933] setpgid(0, 0 [pid 4932] read(200, [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./220/binderfs" [pid 4933] <... setpgid resumed>) = 0 [pid 4932] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4931] close(6 [pid 4930] close(10 [pid 4929] close(27 [pid 4933] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4932] symlink("/dev/binderfs", "./binderfs" [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 4933] <... symlink resumed>) = 0 [pid 4932] <... symlink resumed>) = 0 [pid 4931] close(7 [pid 4930] close(11 [pid 4929] close(28 [pid 4933] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4932] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4933] <... symlink resumed>) = 0 [pid 4932] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4931] close(8 [pid 4930] close(12 [pid 4929] close(29 [pid 4933] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4932] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] <... symlink resumed>) = 0 [pid 4931] close(9 [pid 4930] close(13 [pid 4929] exit_group(0 [pid 4932] <... mmap resumed>) = 0x20002000 [pid 4933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4929] <... exit_group resumed>) = ? [pid 3499] lstat("./220/cgroup.net", [pid 4933] <... openat resumed>) = 3 [pid 4932] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4931] close(10 [pid 4930] close(14 [pid 4929] +++ exited with 0 +++ [pid 4933] write(3, "1000", 4 [pid 4932] <... mmap resumed>) = 0x20000000 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4933] <... write resumed>) = 4 [pid 4932] close(3 [pid 4931] close(11 [pid 4930] close(15 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4933] close(3 [pid 4932] <... close resumed>) = 0 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./220/cgroup.net" [pid 4933] <... close resumed>) = 0 [pid 4932] close(4 [pid 4931] close(12 [pid 4930] close(16 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] read(200, [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... unlink resumed>) = 0 [pid 4933] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4932] close(5 [pid 4931] close(13 [pid 4930] close(17 [pid 3503] <... openat resumed>) = 3 [pid 4933] symlink("/dev/binderfs", "./binderfs" [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3499] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4933] <... symlink resumed>) = 0 [pid 4932] close(6 [pid 4931] close(14 [pid 4930] close(18 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4933] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4932] close(7 [pid 4931] close(15 [pid 4930] close(19 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4933] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./220/cgroup.cpu", [pid 4933] <... mmap resumed>) = 0x20002000 [pid 4932] close(8 [pid 4931] close(16 [pid 4930] close(20 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./234/binderfs", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4933] <... mmap resumed>) = 0x20000000 [pid 4932] close(9 [pid 4931] close(17 [pid 4930] close(21 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] unlink("./220/cgroup.cpu" [pid 4933] close(3 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./234/binderfs" [pid 4933] <... close resumed>) = 0 [pid 4931] close(18 [pid 4930] close(22 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4933] close(4 [pid 4932] close(10 [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] close(19 [pid 4930] close(23 [pid 3499] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4932] close(11 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] close(5 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(12 [pid 4931] close(20 [pid 4930] close(24 [pid 3503] lstat("./234/cgroup.net", [pid 3499] lstat("./220/cgroup", [pid 4933] close(6 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(13 [pid 4931] close(21 [pid 4930] close(25 [pid 3503] unlink("./234/cgroup.net" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4933] close(7 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] unlink("./220/cgroup" [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(14 [pid 4931] close(22 [pid 4930] close(26 [pid 3503] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4933] close(8 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(15 [pid 4931] close(23 [pid 4930] close(27 [pid 3503] lstat("./234/cgroup.cpu", [pid 3499] getdents64(3, [pid 4933] close(9 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(16 [pid 4931] close(24 [pid 4930] close(28 [pid 3503] unlink("./234/cgroup.cpu" [pid 4933] close(10 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(17 [pid 4931] close(25 [pid 4930] close(29 [pid 3503] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4933] close(11 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] close(3 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(18 [pid 4931] close(26 [pid 4930] exit_group(0 [pid 3503] lstat("./234/cgroup", [pid 4933] close(12 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4930] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... close resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(19 [pid 4931] close(27 [pid 4930] +++ exited with 0 +++ [pid 3503] unlink("./234/cgroup" [pid 4933] close(13 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] rmdir("./220" [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(20 [pid 4931] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 4933] close(14 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(21 [pid 4931] close(29 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] mkdir("./221", 0777 [pid 4933] close(15 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(22 [pid 4931] exit_group(0 [pid 3503] <... close resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... mkdir resumed>) = 0 [pid 4933] close(16 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4931] <... exit_group resumed>) = ? [pid 3503] rmdir("./234" [pid 3502] <... openat resumed>) = 3 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4932] close(23 [pid 3502] fstat(3, ./strace-static-x86_64: Process 4934 attached [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4933] close(17 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] getdents64(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 223 [pid 4934] set_robust_list(0x5555573195e0, 24 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(24 [pid 3503] mkdir("./235", 0777 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4934] <... set_robust_list resumed>) = 0 [pid 4933] close(18 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4934] chdir("./221" [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(25 [pid 4931] +++ exited with 0 +++ [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4934] <... chdir resumed>) = 0 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4935 attached [pid 3502] unlink("./232/binderfs" [pid 4935] set_robust_list(0x5555573195e0, 24 [pid 4934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4933] close(19 [pid 4932] close(26 [pid 3502] <... unlink resumed>) = 0 [pid 4935] <... set_robust_list resumed>) = 0 [pid 4934] <... prctl resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 237 [pid 3502] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] chdir("./235" [pid 4934] setpgid(0, 0 [pid 4933] close(20 [pid 4932] close(27 [pid 3504] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] <... chdir resumed>) = 0 [pid 4934] <... setpgid resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./232/cgroup.net", [pid 4935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4933] close(21 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4934] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4935] <... prctl resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(28 [pid 3504] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] unlink("./232/cgroup.net" [pid 4935] setpgid(0, 0 [pid 4934] <... symlink resumed>) = 0 [pid 4933] close(22 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 4935] <... setpgid resumed>) = 0 [pid 4934] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] close(29 [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4934] <... symlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] <... symlink resumed>) = 0 [pid 3502] lstat("./232/cgroup.cpu", [pid 4935] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4935] <... symlink resumed>) = 0 [pid 4934] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4933] close(23 [pid 4932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] unlink("./232/cgroup.cpu" [pid 4935] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4934] <... symlink resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] exit_group(0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 4935] <... symlink resumed>) = 0 [pid 4934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4933] close(24 [pid 4932] <... exit_group resumed>) = ? [pid 3502] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] getdents64(3, [pid 4934] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] <... openat resumed>) = 3 [pid 3502] lstat("./232/cgroup", [pid 4935] write(3, "1000", 4 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4935] <... write resumed>) = 4 [pid 3502] unlink("./232/cgroup" [pid 4935] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 4935] <... close resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4932] +++ exited with 0 +++ [pid 4934] write(3, "1000", 4 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] getdents64(3, [pid 4935] read(200, [pid 4934] <... write resumed>) = 4 [pid 4933] close(25 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4935] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 4935] symlink("/dev/binderfs", "./binderfs" [pid 4934] close(3 [pid 4933] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4935] <... symlink resumed>) = 0 [pid 3502] rmdir("./232" [pid 4935] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4934] <... close resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./236/binderfs", [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4934] read(200, [pid 4933] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] mkdir("./233", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4934] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./236/binderfs" [pid 3501] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4935] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4934] symlink("/dev/binderfs", "./binderfs" [pid 4933] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 4935] <... mmap resumed>) = 0x20002000 [pid 4934] <... symlink resumed>) = 0 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] fstat(3, ./strace-static-x86_64: Process 4936 attached [pid 4935] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4934] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4933] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] set_robust_list(0x5555573195e0, 24 [pid 4935] <... mmap resumed>) = 0x20000000 [pid 4933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 235 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4936] <... set_robust_list resumed>) = 0 [pid 4935] close(3 [pid 4934] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4933] exit_group(0 [pid 3504] lstat("./236/cgroup.net", [pid 3501] getdents64(3, [pid 4936] chdir("./233" [pid 4935] <... close resumed>) = 0 [pid 4934] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4933] <... exit_group resumed>) = ? [pid 4936] <... chdir resumed>) = 0 [pid 4935] close(4 [pid 4934] <... mmap resumed>) = 0x20002000 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4933] +++ exited with 0 +++ [pid 4936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] unlink("./236/cgroup.net" [pid 3501] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4936] <... prctl resumed>) = 0 [pid 4935] close(5 [pid 3504] <... unlink resumed>) = 0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] <... mmap resumed>) = 0x20000000 [pid 4936] setpgid(0, 0 [pid 4935] close(6 [pid 4934] close(3 [pid 3504] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4936] <... setpgid resumed>) = 0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./228/binderfs", [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 4936] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4935] close(7 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] <... close resumed>) = 0 [pid 4936] <... symlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 4935] close(8 [pid 3504] lstat("./236/cgroup.cpu", [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(4 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./228/binderfs" [pid 4936] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4935] close(9 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(5 [pid 3504] unlink("./236/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 4936] <... symlink resumed>) = 0 [pid 4935] close(10 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4935] close(11 [pid 3504] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] <... symlink resumed>) = 0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(6 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./228/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4935] close(12 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./236/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4936] <... openat resumed>) = 3 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(7 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./228/cgroup.net" [pid 3500] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4936] write(3, "1000", 4 [pid 4935] close(13 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./236/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 4936] <... write resumed>) = 4 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(8 [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 4936] close(3 [pid 4935] close(14 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4936] <... close resumed>) = 0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(9 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./228/cgroup.cpu", [pid 3500] getdents64(3, [pid 4936] read(200, [pid 4935] close(15 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4936] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(10 [pid 3504] <... close resumed>) = 0 [pid 3501] unlink("./228/cgroup.cpu" [pid 3500] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4936] symlink("/dev/binderfs", "./binderfs" [pid 4935] close(16 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./236" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] <... symlink resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./225/binderfs", [pid 4936] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4934] close(11 [pid 3504] mkdir("./237", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4936] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] lstat("./228/cgroup", [pid 3500] unlink("./225/binderfs" [pid 4936] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4937 attached [pid 4936] <... mmap resumed>) = 0x20002000 [pid 4935] close(17 [pid 4934] close(12 [pid 3501] unlink("./228/cgroup" [pid 3500] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4936] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(18 [pid 4934] close(13 [pid 4937] set_robust_list(0x5555573195e0, 24 [pid 4936] <... mmap resumed>) = 0x20000000 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 239 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4937] <... set_robust_list resumed>) = 0 [pid 4936] close(3 [pid 4935] close(19 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 3500] lstat("./225/cgroup.net", [pid 4937] chdir("./237" [pid 4936] <... close resumed>) = 0 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(14 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4937] <... chdir resumed>) = 0 [pid 4936] close(4 [pid 4935] close(20 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 3500] unlink("./225/cgroup.net" [pid 4937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(15 [pid 3501] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4937] <... prctl resumed>) = 0 [pid 4936] close(5 [pid 4935] close(21 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./228" [pid 3500] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4937] setpgid(0, 0 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(16 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4937] <... setpgid resumed>) = 0 [pid 4936] close(6 [pid 4935] close(22 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./229", 0777 [pid 3500] lstat("./225/cgroup.cpu", [pid 4937] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(17 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4937] <... symlink resumed>) = 0 [pid 4936] close(7 [pid 4935] close(23 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] unlink("./225/cgroup.cpu"./strace-static-x86_64: Process 4938 attached [pid 4937] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(18 [pid 3500] <... unlink resumed>) = 0 [pid 4938] set_robust_list(0x5555573195e0, 24 [pid 4937] <... symlink resumed>) = 0 [pid 4936] close(8 [pid 4935] close(24 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 231 [pid 3500] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4938] <... set_robust_list resumed>) = 0 [pid 4937] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(19 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4938] chdir("./229" [pid 4937] <... symlink resumed>) = 0 [pid 4936] close(9 [pid 3500] lstat("./225/cgroup", [pid 4938] <... chdir resumed>) = 0 [pid 4937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(25 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4937] <... openat resumed>) = 3 [pid 4936] close(10 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(20 [pid 3500] unlink("./225/cgroup" [pid 4938] <... prctl resumed>) = 0 [pid 4937] write(3, "1000", 4 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(26 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 4938] setpgid(0, 0 [pid 4937] <... write resumed>) = 4 [pid 4936] close(11 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(21 [pid 3500] getdents64(3, [pid 4938] <... setpgid resumed>) = 0 [pid 4937] close(3 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(27 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4938] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4937] <... close resumed>) = 0 [pid 4936] close(12 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(22 [pid 3500] close(3 [pid 4938] <... symlink resumed>) = 0 [pid 4937] read(200, [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(28 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 4938] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4937] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4936] close(13 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(23 [pid 3500] rmdir("./225" [pid 4938] <... symlink resumed>) = 0 [pid 4937] symlink("/dev/binderfs", "./binderfs" [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] close(29 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 4938] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4937] <... symlink resumed>) = 0 [pid 4936] close(14 [pid 4935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(24 [pid 3500] mkdir("./226", 0777 [pid 4938] <... symlink resumed>) = 0 [pid 4937] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] exit_group(0 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 4938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4937] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4936] close(15 [pid 4935] <... exit_group resumed>) = ? [pid 4934] close(25 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4939 attached [pid 4938] <... openat resumed>) = 3 [pid 4937] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] set_robust_list(0x5555573195e0, 24 [pid 4938] write(3, "1000", 4 [pid 4937] <... mmap resumed>) = 0x20002000 [pid 4936] close(16 [pid 4934] close(26 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 228 [pid 4939] <... set_robust_list resumed>) = 0 [pid 4938] <... write resumed>) = 4 [pid 4937] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] chdir("./226" [pid 4938] close(3 [pid 4937] <... mmap resumed>) = 0x20000000 [pid 4936] close(17 [pid 4939] <... chdir resumed>) = 0 [pid 4938] <... close resumed>) = 0 [pid 4937] close(3 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4935] +++ exited with 0 +++ [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4938] read(200, [pid 4937] <... close resumed>) = 0 [pid 4936] close(18 [pid 4934] close(27 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4939] <... prctl resumed>) = 0 [pid 4938] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4937] close(4 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] setpgid(0, 0 [pid 4938] symlink("/dev/binderfs", "./binderfs" [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(19 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] <... setpgid resumed>) = 0 [pid 4938] <... symlink resumed>) = 0 [pid 4937] close(5 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(28 [pid 4939] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4938] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(20 [pid 4934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] close(6 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] close(29) = -1 EBADF (Bad file descriptor) [pid 4938] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4934] exit_group(0 [pid 4939] <... symlink resumed>) = 0 [pid 4936] close(21 [pid 4934] <... exit_group resumed>) = ? [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4938] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4937] close(7 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] <... symlink resumed>) = 0 [pid 4938] <... mmap resumed>) = 0x20002000 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(22 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4938] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4937] close(8 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4934] +++ exited with 0 +++ [pid 3503] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4939] <... symlink resumed>) = 0 [pid 4938] <... mmap resumed>) = 0x20000000 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(23 [pid 3503] <... openat resumed>) = 3 [pid 4939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4938] close(3 [pid 4937] close(9 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 4939] <... openat resumed>) = 3 [pid 4938] <... close resumed>) = 0 [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(24 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4939] write(3, "1000", 4 [pid 4938] close(4 [pid 4937] close(10 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 4939] <... write resumed>) = 4 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(25 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4939] close(3 [pid 4938] close(5 [pid 4937] close(11 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] <... close resumed>) = 0 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(26 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 4939] read(200, [pid 4938] close(6 [pid 4937] close(12 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(27 [pid 3503] lstat("./235/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] symlink("/dev/binderfs", "./binderfs" [pid 4938] close(7 [pid 4937] close(13 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4939] <... symlink resumed>) = 0 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] close(28 [pid 3503] unlink("./235/binderfs" [pid 3499] <... openat resumed>) = 3 [pid 4939] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4938] close(8 [pid 4937] close(14 [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 4939] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4938] close(9 [pid 4937] close(15 [pid 4936] close(29 [pid 3503] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4939] <... mmap resumed>) = 0x20002000 [pid 4938] close(10 [pid 4937] close(16 [pid 4936] exit_group(0 [pid 3503] lstat("./235/cgroup.net", [pid 3499] getdents64(3, [pid 4939] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4936] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4939] <... mmap resumed>) = 0x20000000 [pid 4938] close(11 [pid 4937] close(17 [pid 4939] close(3 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./235/cgroup.net" [pid 3499] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] <... close resumed>) = 0 [pid 4938] close(12 [pid 4937] close(18 [pid 4936] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] close(4 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(13 [pid 4937] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./221/binderfs", [pid 4939] close(5 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./235/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(14 [pid 4937] close(20 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./221/binderfs" [pid 4939] close(6 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./235/cgroup.cpu" [pid 3502] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(15 [pid 4937] close(21 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] close(7 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(16 [pid 4937] close(22 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] lstat("./221/cgroup.net", [pid 4939] close(8 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./235/cgroup", [pid 3502] <... openat resumed>) = 3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(17 [pid 4937] close(23 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] fstat(3, [pid 3499] unlink("./221/cgroup.net" [pid 4939] close(9 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./235/cgroup" [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(18 [pid 4937] close(24 [pid 3503] <... unlink resumed>) = 0 [pid 3499] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] close(10 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(19 [pid 4937] close(25 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./221/cgroup.cpu", [pid 4939] close(11 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3502] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(20 [pid 4937] close(26 [pid 3503] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./221/cgroup.cpu" [pid 4939] close(12 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./235" [pid 3502] lstat("./233/binderfs", [pid 3499] <... unlink resumed>) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(21 [pid 4937] close(27 [pid 3503] <... rmdir resumed>) = 0 [pid 3499] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4939] close(13 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./236", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(22 [pid 4937] close(28 [pid 3503] <... mkdir resumed>) = 0 [pid 3499] lstat("./221/cgroup", [pid 4939] close(14 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 4940 attached [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(23 [pid 4937] close(29 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] unlink("./221/cgroup" [pid 4940] set_robust_list(0x5555573195e0, 24 [pid 4939] close(15 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 238 [pid 3502] unlink("./233/binderfs" [pid 3499] <... unlink resumed>) = 0 [pid 4940] <... set_robust_list resumed>) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(24 [pid 4937] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 4940] chdir("./236" [pid 4939] close(16 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4937] <... exit_group resumed>) = ? [pid 3502] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4940] <... chdir resumed>) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(25 [pid 4937] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] close(3 [pid 4940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4939] close(17 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./233/cgroup.net", [pid 3499] <... close resumed>) = 0 [pid 4940] setpgid(0, 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(26 [pid 4940] <... setpgid resumed>) = 0 [pid 4939] close(18 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] rmdir("./221" [pid 4940] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(27 [pid 3504] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./233/cgroup.net" [pid 4940] <... symlink resumed>) = 0 [pid 4939] close(19 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 4940] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(28 [pid 3504] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] mkdir("./222", 0777 [pid 4939] close(20 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... mkdir resumed>) = 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] close(29 [pid 3504] fstat(3, [pid 3502] lstat("./233/cgroup.cpu", [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4941 attached [pid 4940] <... symlink resumed>) = 0 [pid 4939] close(21 [pid 4938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4941] set_robust_list(0x5555573195e0, 24 [pid 4940] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4938] exit_group(0 [pid 3504] getdents64(3, [pid 3502] unlink("./233/cgroup.cpu" [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 224 [pid 4941] <... set_robust_list resumed>) = 0 [pid 4940] <... symlink resumed>) = 0 [pid 4939] close(22 [pid 4938] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... unlink resumed>) = 0 [pid 4941] chdir("./222" [pid 4940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4941] <... chdir resumed>) = 0 [pid 4940] <... openat resumed>) = 3 [pid 4939] close(23 [pid 4938] +++ exited with 0 +++ [pid 3502] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4940] write(3, "1000", 4 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./237/binderfs", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4941] <... prctl resumed>) = 0 [pid 4940] <... write resumed>) = 4 [pid 4939] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] lstat("./233/cgroup", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4941] setpgid(0, 0 [pid 4940] close(3 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... setpgid resumed>) = 0 [pid 4940] <... close resumed>) = 0 [pid 3504] unlink("./237/binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... restart_syscall resumed>) = 0 [pid 4940] read(200, [pid 4939] close(25 [pid 4941] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4940] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... unlink resumed>) = 0 [pid 4941] <... symlink resumed>) = 0 [pid 4940] symlink("/dev/binderfs", "./binderfs" [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./233/cgroup" [pid 3501] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4941] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4940] <... symlink resumed>) = 0 [pid 4939] close(26 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4940] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4941] <... symlink resumed>) = 0 [pid 4940] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4939] close(27 [pid 3504] lstat("./237/cgroup.net", [pid 3502] getdents64(3, [pid 3501] <... openat resumed>) = 3 [pid 4941] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4940] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] fstat(3, [pid 4941] <... symlink resumed>) = 0 [pid 4940] <... mmap resumed>) = 0x20002000 [pid 4939] close(28 [pid 3504] unlink("./237/cgroup.net" [pid 3502] close(3 [pid 4941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 4941] <... openat resumed>) = 3 [pid 4940] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4939] close(29 [pid 3504] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] rmdir("./233" [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4941] write(3, "1000", 4 [pid 4940] <... mmap resumed>) = 0x20000000 [pid 4939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] getdents64(3, [pid 4941] <... write resumed>) = 4 [pid 4940] close(3 [pid 4939] exit_group(0 [pid 3504] lstat("./237/cgroup.cpu", [pid 3502] mkdir("./234", 0777 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4941] close(3 [pid 4940] <... close resumed>) = 0 [pid 4939] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4941] <... close resumed>) = 0 [pid 4940] close(4 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./229/binderfs", [pid 4940] close(5 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4939] +++ exited with 0 +++ [pid 3501] unlink("./229/binderfs" [pid 4941] read(200, [pid 4940] close(6 [pid 3504] unlink("./237/cgroup.cpu" [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... unlink resumed>) = 0 [pid 4941] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4940] close(7 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./229/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4942 attached [pid 4941] symlink("/dev/binderfs", "./binderfs" [pid 4940] close(8 [pid 3504] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4942] set_robust_list(0x5555573195e0, 24 [pid 4941] <... symlink resumed>) = 0 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./229/cgroup.net" [pid 3500] <... openat resumed>) = 3 [pid 4942] <... set_robust_list resumed>) = 0 [pid 4941] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4940] close(9 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 236 [pid 3501] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 4942] chdir("./234" [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4942] <... chdir resumed>) = 0 [pid 4941] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4940] close(10 [pid 3504] lstat("./237/cgroup", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 4942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4941] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] lstat("./229/cgroup.cpu", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4942] <... prctl resumed>) = 0 [pid 4941] <... mmap resumed>) = 0x20002000 [pid 4940] close(11 [pid 3504] unlink("./237/cgroup" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4942] setpgid(0, 0 [pid 4941] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./229/cgroup.cpu" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4942] <... setpgid resumed>) = 0 [pid 4941] <... mmap resumed>) = 0x20000000 [pid 4940] close(12 [pid 3504] getdents64(3, [pid 4942] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4941] close(3 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./226/binderfs", [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... symlink resumed>) = 0 [pid 4941] <... close resumed>) = 0 [pid 3504] close(3 [pid 3501] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4942] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4941] close(4 [pid 4940] close(13 [pid 3504] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./237" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./226/binderfs" [pid 4942] <... symlink resumed>) = 0 [pid 4941] close(5 [pid 4940] close(14 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] lstat("./229/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 4942] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./238", 0777 [pid 3500] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4942] <... symlink resumed>) = 0 [pid 4941] close(6 [pid 4940] close(15 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] lstat("./226/cgroup.net", [pid 4942] <... openat resumed>) = 3 [pid 4941] close(7 [pid 4940] close(16 [pid 3501] unlink("./229/cgroup"./strace-static-x86_64: Process 4943 attached [pid 4942] write(3, "1000", 4 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 240 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4943] set_robust_list(0x5555573195e0, 24 [pid 4942] <... write resumed>) = 4 [pid 4941] close(8 [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./226/cgroup.net" [pid 4943] <... set_robust_list resumed>) = 0 [pid 4942] close(3 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(17 [pid 3500] <... unlink resumed>) = 0 [pid 4943] chdir("./238" [pid 4942] <... close resumed>) = 0 [pid 4941] close(9 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 3500] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4943] <... chdir resumed>) = 0 [pid 4942] read(200, [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(18 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4942] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4941] close(10 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./226/cgroup.cpu", [pid 4943] <... prctl resumed>) = 0 [pid 4942] symlink("/dev/binderfs", "./binderfs" [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(19 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4943] setpgid(0, 0 [pid 4941] close(11 [pid 3501] close(3 [pid 3500] unlink("./226/cgroup.cpu" [pid 4942] <... symlink resumed>) = 0 [pid 4943] <... setpgid resumed>) = 0 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 4943] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4942] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4941] close(12 [pid 4940] close(20 [pid 3501] <... close resumed>) = 0 [pid 3500] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4943] <... symlink resumed>) = 0 [pid 4942] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./229" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4943] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4942] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4941] close(13 [pid 4940] close(21 [pid 3500] lstat("./226/cgroup", [pid 4943] <... symlink resumed>) = 0 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4943] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4941] close(14 [pid 3500] unlink("./226/cgroup" [pid 4943] <... symlink resumed>) = 0 [pid 4942] <... mmap resumed>) = 0x20002000 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./230", 0777 [pid 3500] <... unlink resumed>) = 0 [pid 4943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4941] close(15 [pid 3500] getdents64(3, [pid 4943] <... openat resumed>) = 3 [pid 4942] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(22 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4943] write(3, "1000", 4 [pid 4941] close(16 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 4943] <... write resumed>) = 4 [pid 4942] <... mmap resumed>) = 0x20000000 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(23 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... close resumed>) = 0 [pid 4943] close(3 [pid 4942] close(3 [pid 4941] close(17 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./226"./strace-static-x86_64: Process 4944 attached [pid 4943] <... close resumed>) = 0 [pid 4942] <... close resumed>) = 0 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(24 [pid 3500] <... rmdir resumed>) = 0 [pid 4944] set_robust_list(0x5555573195e0, 24 [pid 4943] read(200, [pid 4942] close(4 [pid 4941] close(18 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./227", 0777 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 232 [pid 4944] <... set_robust_list resumed>) = 0 [pid 4943] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(25 [pid 3500] <... mkdir resumed>) = 0 [pid 4944] chdir("./230" [pid 4943] symlink("/dev/binderfs", "./binderfs" [pid 4941] close(19 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4944] <... chdir resumed>) = 0 [pid 4943] <... symlink resumed>) = 0 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(26 [pid 4944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4943] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4942] close(5 [pid 4941] close(20 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 229 ./strace-static-x86_64: Process 4945 attached [pid 4944] <... prctl resumed>) = 0 [pid 4943] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(27 [pid 4945] set_robust_list(0x5555573195e0, 24 [pid 4944] setpgid(0, 0 [pid 4943] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4942] close(6 [pid 4941] close(21 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... set_robust_list resumed>) = 0 [pid 4944] <... setpgid resumed>) = 0 [pid 4943] <... mmap resumed>) = 0x20002000 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(28 [pid 4945] chdir("./227" [pid 4944] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4943] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4942] close(7 [pid 4941] close(22 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... chdir resumed>) = 0 [pid 4944] <... symlink resumed>) = 0 [pid 4943] <... mmap resumed>) = 0x20000000 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] close(29 [pid 4945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4944] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4943] close(3 [pid 4942] close(8 [pid 4941] close(23 [pid 4940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... prctl resumed>) = 0 [pid 4945] setpgid(0, 0 [pid 4944] <... symlink resumed>) = 0 [pid 4943] <... close resumed>) = 0 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4940] exit_group(0 [pid 4945] <... setpgid resumed>) = 0 [pid 4944] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4943] close(4 [pid 4942] close(9 [pid 4941] close(24 [pid 4940] <... exit_group resumed>) = ? [pid 4945] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4944] <... symlink resumed>) = 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] <... symlink resumed>) = 0 [pid 4945] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4943] close(5 [pid 4942] close(10 [pid 4941] close(25 [pid 4945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4940] +++ exited with 0 +++ [pid 4945] <... openat resumed>) = 3 [pid 4944] <... openat resumed>) = 3 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4945] write(3, "1000", 4 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4945] <... write resumed>) = 4 [pid 3503] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4945] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... close resumed>) = 0 [pid 3503] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4945] read(200, [pid 3503] <... openat resumed>) = 3 [pid 4945] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] fstat(3, [pid 4945] symlink("/dev/binderfs", "./binderfs" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4945] <... symlink resumed>) = 0 [pid 4944] write(3, "1000", 4 [pid 4943] close(6 [pid 4942] close(11 [pid 4941] close(26 [pid 3503] getdents64(3, [pid 4945] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4944] <... write resumed>) = 4 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4945] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4944] close(3 [pid 4943] close(7 [pid 3503] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4942] close(12 [pid 4945] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4944] <... close resumed>) = 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... mmap resumed>) = 0x20002000 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./236/binderfs", [pid 4944] read(200, [pid 4945] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4943] close(8 [pid 4942] close(13 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4945] <... mmap resumed>) = 0x20000000 [pid 4944] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./236/binderfs" [pid 4941] close(28 [pid 4945] close(3 [pid 4944] symlink("/dev/binderfs", "./binderfs" [pid 4943] close(9 [pid 4942] close(14 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 4945] <... close resumed>) = 0 [pid 4944] <... symlink resumed>) = 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] close(29 [pid 3503] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4945] close(4 [pid 4944] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4943] close(10 [pid 4942] close(15 [pid 4941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] exit_group(0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./236/cgroup.net", [pid 4945] close(5 [pid 4944] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4943] close(11 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4941] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(16 [pid 3503] unlink("./236/cgroup.net" [pid 4945] close(6 [pid 3503] <... unlink resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4945] close(7 [pid 4943] close(12 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... mmap resumed>) = 0x20002000 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(17 [pid 3503] lstat("./236/cgroup.cpu", [pid 4945] close(8 [pid 4944] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4943] close(13 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... mmap resumed>) = 0x20000000 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(18 [pid 4941] +++ exited with 0 +++ [pid 3503] unlink("./236/cgroup.cpu" [pid 4945] close(9 [pid 4944] close(3 [pid 4943] close(14 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = 0 [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(19 [pid 3503] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4945] close(10 [pid 4944] close(4 [pid 4943] close(15 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(20 [pid 3503] lstat("./236/cgroup", [pid 4945] close(11 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(5 [pid 4943] close(16 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./236/cgroup" [pid 3499] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4945] close(12 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(21 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(6 [pid 4943] close(17 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3499] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4945] close(13 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(22 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 4945] close(14 [pid 4944] close(7 [pid 4943] close(18 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(23 [pid 3503] rmdir("./236" [pid 3499] fstat(3, [pid 4945] close(15 [pid 4944] close(8 [pid 4943] close(19 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(24 [pid 3503] mkdir("./237", 0777 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4945] close(16 [pid 4944] close(9 [pid 4943] close(20 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(25 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] getdents64(3, ./strace-static-x86_64: Process 4946 attached [pid 4945] close(17 [pid 4944] close(10 [pid 4943] close(21 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4946] set_robust_list(0x5555573195e0, 24 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(26 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 239 [pid 3499] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] <... set_robust_list resumed>) = 0 [pid 4945] close(18 [pid 4944] close(11 [pid 4943] close(22 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] chdir("./237" [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(27 [pid 3499] lstat("./222/binderfs", [pid 4946] <... chdir resumed>) = 0 [pid 4945] close(19 [pid 4944] close(12 [pid 4943] close(23 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(28 [pid 4946] <... prctl resumed>) = 0 [pid 4945] close(20 [pid 4944] close(13 [pid 4943] close(24 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./222/binderfs" [pid 4946] setpgid(0, 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] close(29 [pid 3499] <... unlink resumed>) = 0 [pid 4946] <... setpgid resumed>) = 0 [pid 4945] close(21 [pid 4944] close(14 [pid 4943] close(25 [pid 4942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./222/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4942] exit_group(0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] <... symlink resumed>) = 0 [pid 4945] close(22 [pid 4944] close(15 [pid 4943] close(26 [pid 4942] <... exit_group resumed>) = ? [pid 3499] lstat("./222/cgroup.net", [pid 4946] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] <... symlink resumed>) = 0 [pid 4944] close(16 [pid 4943] close(27 [pid 4942] +++ exited with 0 +++ [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./222/cgroup.net" [pid 4944] close(17 [pid 4943] close(28 [pid 3499] <... unlink resumed>) = 0 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./222/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4944] close(18 [pid 4943] close(29 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./222/cgroup.cpu", [pid 4944] close(19 [pid 4943] exit_group(0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4946] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4945] close(23 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4943] <... exit_group resumed>) = ? [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] unlink("./222/cgroup.cpu" [pid 4946] <... symlink resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(20 [pid 4943] +++ exited with 0 +++ [pid 4946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4945] close(24 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] <... unlink resumed>) = 0 [pid 4946] <... openat resumed>) = 3 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] write(3, "1000", 4 [pid 4945] close(25 [pid 4944] close(21 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./222/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] <... write resumed>) = 4 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4946] close(3 [pid 4945] close(26 [pid 4944] close(22 [pid 3502] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] <... close resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 4946] read(200, [pid 4945] close(27 [pid 4944] close(23 [pid 3504] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] lstat("./222/cgroup", [pid 4946] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4946] symlink("/dev/binderfs", "./binderfs" [pid 4945] close(28 [pid 4944] close(24 [pid 3504] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] unlink("./222/cgroup" [pid 4946] <... symlink resumed>) = 0 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 4946] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4945] close(29 [pid 4944] close(25 [pid 3504] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] lstat("./234/binderfs", [pid 3499] getdents64(3, [pid 4946] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4945] exit_group(0 [pid 4944] close(26 [pid 3504] getdents64(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4946] <... mmap resumed>) = 0x20002000 [pid 4945] <... exit_group resumed>) = ? [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] unlink("./234/binderfs" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4946] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4945] +++ exited with 0 +++ [pid 4944] close(27 [pid 3504] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3499] close(3 [pid 4946] <... mmap resumed>) = 0x20000000 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] close(3 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./238/binderfs", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 4946] <... close resumed>) = 0 [pid 4944] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] lstat("./234/cgroup.net", [pid 4946] close(4 [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./238/binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] rmdir("./222" [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3502] unlink("./234/cgroup.net" [pid 4946] close(5 [pid 3504] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] close(6 [pid 3504] lstat("./238/cgroup.net", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] lstat("./234/cgroup.cpu", [pid 3499] mkdir("./223", 0777 [pid 4946] close(7 [pid 4944] <... exit_group resumed>) = ? [pid 3504] unlink("./238/cgroup.net" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] unlink("./234/cgroup.cpu" [pid 3499] <... mkdir resumed>) = 0 [pid 4946] close(8 [pid 3504] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4946] close(9 [pid 3504] lstat("./238/cgroup.cpu", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4944] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] lstat("./234/cgroup", [pid 3500] <... openat resumed>) = 3 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4946] close(10 [pid 3504] unlink("./238/cgroup.cpu" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] unlink("./234/cgroup" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] fstat(3, [pid 4946] close(11 [pid 3504] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3501] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 4947 attached [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4947] set_robust_list(0x5555573195e0, 24 [pid 4946] close(12 [pid 3504] lstat("./238/cgroup", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4947] <... set_robust_list resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] close(3 [pid 3500] getdents64(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 225 [pid 4947] chdir("./223" [pid 4946] close(13 [pid 3504] unlink("./238/cgroup" [pid 3502] <... close resumed>) = 0 [pid 3501] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4947] <... chdir resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] rmdir("./234" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4946] close(14 [pid 3504] getdents64(3, [pid 3502] <... rmdir resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4947] <... prctl resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] mkdir("./235", 0777 [pid 3501] <... openat resumed>) = 3 [pid 4947] setpgid(0, 0 [pid 4946] close(15 [pid 3504] close(3 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4947] <... setpgid resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4947] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4946] close(16 [pid 3504] rmdir("./238" [pid 3501] getdents64(3, [pid 3500] lstat("./227/binderfs", [pid 4947] <... symlink resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4948 attached [pid 4947] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4946] close(17 [pid 3504] mkdir("./239", 0777 [pid 3501] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./227/binderfs" [pid 4948] set_robust_list(0x5555573195e0, 24 [pid 4947] <... symlink resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4947] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] close(18 [pid 3500] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4948] <... set_robust_list resumed>) = 0 [pid 4947] <... symlink resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 237 [pid 3501] lstat("./230/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] close(19 [pid 3500] lstat("./227/cgroup.net", ./strace-static-x86_64: Process 4949 attached [pid 4947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4948] chdir("./235" [pid 4947] <... openat resumed>) = 3 [pid 4946] close(20 [pid 3500] unlink("./227/cgroup.net" [pid 4949] set_robust_list(0x5555573195e0, 24 [pid 4948] <... chdir resumed>) = 0 [pid 4947] write(3, "1000", 4 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 241 [pid 3501] unlink("./230/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 4949] <... set_robust_list resumed>) = 0 [pid 4948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4947] <... write resumed>) = 4 [pid 4946] close(21 [pid 3500] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4949] chdir("./239" [pid 4948] <... prctl resumed>) = 0 [pid 4947] close(3 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4949] <... chdir resumed>) = 0 [pid 4948] setpgid(0, 0 [pid 4947] <... close resumed>) = 0 [pid 4946] close(22 [pid 3501] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./227/cgroup.cpu", [pid 4949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4948] <... setpgid resumed>) = 0 [pid 4947] read(200, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4949] <... prctl resumed>) = 0 [pid 4948] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4947] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./230/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4949] setpgid(0, 0 [pid 4948] <... symlink resumed>) = 0 [pid 4947] symlink("/dev/binderfs", "./binderfs" [pid 4946] close(23 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./227/cgroup.cpu" [pid 4949] <... setpgid resumed>) = 0 [pid 4948] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4947] <... symlink resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./230/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 4949] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4948] <... symlink resumed>) = 0 [pid 4947] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4946] close(24 [pid 3500] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4949] <... symlink resumed>) = 0 [pid 4948] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4947] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4949] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4948] <... symlink resumed>) = 0 [pid 4947] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4946] close(25 [pid 3501] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./227/cgroup", [pid 4949] <... symlink resumed>) = 0 [pid 4948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4947] <... mmap resumed>) = 0x20002000 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4949] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4948] <... openat resumed>) = 3 [pid 4946] close(26 [pid 3500] unlink("./227/cgroup" [pid 4949] <... symlink resumed>) = 0 [pid 4948] write(3, "1000", 4 [pid 4947] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./230/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 4949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4948] <... write resumed>) = 4 [pid 4946] close(27 [pid 3500] getdents64(3, [pid 4949] <... openat resumed>) = 3 [pid 4948] close(3 [pid 4947] <... mmap resumed>) = 0x20000000 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4949] write(3, "1000", 4 [pid 4948] <... close resumed>) = 0 [pid 4947] close(3 [pid 4946] close(28 [pid 3501] unlink("./230/cgroup.cpu" [pid 3500] close(3 [pid 4949] <... write resumed>) = 4 [pid 4948] read(200, [pid 4947] <... close resumed>) = 0 [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 4949] close(3 [pid 4948] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4947] close(4 [pid 4946] close(29 [pid 3501] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] rmdir("./227" [pid 4949] <... close resumed>) = 0 [pid 4948] symlink("/dev/binderfs", "./binderfs" [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... rmdir resumed>) = 0 [pid 4948] <... symlink resumed>) = 0 [pid 4946] exit_group(0 [pid 3500] mkdir("./228", 0777 [pid 4948] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4946] <... exit_group resumed>) = ? [pid 4949] read(200, [pid 3501] lstat("./230/cgroup", [pid 3500] <... mkdir resumed>) = 0 [pid 4947] close(5 [pid 4949] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4948] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4946] +++ exited with 0 +++ [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4950 attached [pid 4949] symlink("/dev/binderfs", "./binderfs" [pid 4948] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4947] close(6 [pid 3501] unlink("./230/cgroup" [pid 4950] set_robust_list(0x5555573195e0, 24 [pid 4949] <... symlink resumed>) = 0 [pid 4948] <... mmap resumed>) = 0x20002000 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 230 [pid 4950] <... set_robust_list resumed>) = 0 [pid 4949] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4948] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4947] close(7 [pid 3503] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 4950] chdir("./228" [pid 4949] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4948] <... mmap resumed>) = 0x20000000 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4950] <... chdir resumed>) = 0 [pid 4949] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4948] close(3 [pid 4947] close(8 [pid 3503] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] close(3 [pid 4950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4949] <... mmap resumed>) = 0x20002000 [pid 4948] <... close resumed>) = 0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3501] <... close resumed>) = 0 [pid 4950] <... prctl resumed>) = 0 [pid 4949] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4948] close(4 [pid 4947] close(9 [pid 3503] fstat(3, [pid 3501] rmdir("./230" [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 4948] close(5 [pid 3503] getdents64(3, [pid 3501] mkdir("./231", 0777 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... mkdir resumed>) = 0 [pid 4948] close(6 [pid 3503] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4951 attached [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4951] set_robust_list(0x5555573195e0, 24 [pid 4950] setpgid(0, 0 [pid 4948] close(7 [pid 3503] lstat("./237/binderfs", [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 233 [pid 4951] <... set_robust_list resumed>) = 0 [pid 4949] <... mmap resumed>) = 0x20000000 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4950] <... setpgid resumed>) = 0 [pid 4951] chdir("./231" [pid 4949] close(3 [pid 4948] close(8 [pid 3503] unlink("./237/binderfs" [pid 4951] <... chdir resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 4951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4948] close(9 [pid 3503] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4951] <... prctl resumed>) = 0 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(10 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4951] setpgid(0, 0 [pid 4950] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4949] <... close resumed>) = 0 [pid 4948] close(10 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./237/cgroup.net", [pid 4951] <... setpgid resumed>) = 0 [pid 4950] <... symlink resumed>) = 0 [pid 4949] close(4 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(11 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4951] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4950] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(11 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./237/cgroup.net" [pid 4951] <... symlink resumed>) = 0 [pid 4950] <... symlink resumed>) = 0 [pid 4949] close(5 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(12 [pid 3503] <... unlink resumed>) = 0 [pid 4951] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4950] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(12 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4951] <... symlink resumed>) = 0 [pid 4950] <... symlink resumed>) = 0 [pid 4949] close(6 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(13 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4951] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(13 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./237/cgroup.cpu", [pid 4951] <... symlink resumed>) = 0 [pid 4950] <... openat resumed>) = 3 [pid 4949] close(7 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(14 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4950] write(3, "1000", 4 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(14 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./237/cgroup.cpu" [pid 4951] <... openat resumed>) = 3 [pid 4950] <... write resumed>) = 4 [pid 4949] close(8 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(15 [pid 3503] <... unlink resumed>) = 0 [pid 4951] write(3, "1000", 4 [pid 4948] close(15 [pid 3503] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4951] <... write resumed>) = 4 [pid 4950] close(3 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4951] close(3 [pid 4950] <... close resumed>) = 0 [pid 4949] close(9 [pid 4948] close(16 [pid 4947] close(16 [pid 3503] lstat("./237/cgroup", [pid 4951] <... close resumed>) = 0 [pid 4950] read(200, [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4951] read(200, [pid 4948] close(17 [pid 3503] unlink("./237/cgroup" [pid 4951] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4950] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4949] close(10 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(17 [pid 3503] <... unlink resumed>) = 0 [pid 4951] symlink("/dev/binderfs", "./binderfs" [pid 4950] symlink("/dev/binderfs", "./binderfs" [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(18 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 4951] <... symlink resumed>) = 0 [pid 4950] <... symlink resumed>) = 0 [pid 4949] close(11 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(18 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4951] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4950] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(19 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 4951] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4950] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4949] close(12 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(19 [pid 3503] <... close resumed>) = 0 [pid 4951] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4950] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(20 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./237" [pid 4951] <... mmap resumed>) = 0x20002000 [pid 4950] <... mmap resumed>) = 0x20002000 [pid 4949] close(13 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(20 [pid 3503] <... rmdir resumed>) = 0 [pid 4951] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4950] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(21 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./238", 0777 [pid 4951] <... mmap resumed>) = 0x20000000 [pid 4950] <... mmap resumed>) = 0x20000000 [pid 4949] close(14 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(21 [pid 3503] <... mkdir resumed>) = 0 [pid 4951] close(3 [pid 4950] close(3 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(22 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4952 attached [pid 4951] <... close resumed>) = 0 [pid 4950] <... close resumed>) = 0 [pid 4949] close(15 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(22 [pid 4952] set_robust_list(0x5555573195e0, 24 [pid 4951] close(4 [pid 4950] close(4 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(23 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 240 [pid 4952] <... set_robust_list resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(16 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(23 [pid 4952] chdir("./238" [pid 4951] close(5 [pid 4948] close(24 [pid 4952] <... chdir resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(5 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4951] close(6 [pid 4948] close(25 [pid 4952] <... prctl resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(17 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(24 [pid 4952] setpgid(0, 0 [pid 4951] close(7 [pid 4950] close(6 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] close(26 [pid 4952] <... setpgid resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(18 [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4951] close(8 [pid 4950] close(7 [pid 4948] close(27 [pid 4952] <... symlink resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] close(25 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4951] close(9 [pid 4950] close(8 [pid 4949] close(19 [pid 4948] close(28 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... symlink resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4951] close(10 [pid 4950] close(9 [pid 4949] close(20 [pid 4948] close(29 [pid 4947] close(26 [pid 4952] <... symlink resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4951] close(11 [pid 4950] close(10 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] exit_group(0 [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... openat resumed>) = 3 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(21 [pid 4948] <... exit_group resumed>) = ? [pid 4947] close(27 [pid 4952] write(3, "1000", 4 [pid 4951] close(12 [pid 4950] close(11 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4948] +++ exited with 0 +++ [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... write resumed>) = 4 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(22 [pid 4947] close(28 [pid 4952] close(3 [pid 4951] close(13 [pid 4950] close(12 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4952] <... close resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(23 [pid 4947] close(29 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 4952] read(200, [pid 4951] close(14 [pid 4950] close(13 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 [pid 4952] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(24 [pid 4947] exit_group(0 [pid 4952] symlink("/dev/binderfs", "./binderfs" [pid 4951] close(15 [pid 4950] close(14 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] <... exit_group resumed>) = ? [pid 4952] <... symlink resumed>) = 0 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(25 [pid 4952] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4951] close(16 [pid 4950] close(15 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4947] +++ exited with 0 +++ [pid 3502] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4949] close(26 [pid 4952] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4952] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4951] close(17 [pid 4950] close(16 [pid 4949] close(27 [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 4952] <... mmap resumed>) = 0x20002000 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4952] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(28 [pid 3502] <... openat resumed>) = 3 [pid 3499] <... restart_syscall resumed>) = 0 [pid 4952] <... mmap resumed>) = 0x20000000 [pid 4951] close(18 [pid 4950] close(17 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 4952] close(3 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] close(29 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4952] <... close resumed>) = 0 [pid 4951] close(19 [pid 4950] close(18 [pid 4949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 4952] close(4 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] exit_group(0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(20 [pid 4950] close(19 [pid 4949] <... exit_group resumed>) = ? [pid 3502] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4952] close(5 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(21 [pid 4950] close(20 [pid 3502] lstat("./235/binderfs", [pid 3499] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4952] close(6 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... openat resumed>) = 3 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(22 [pid 4950] close(21 [pid 3502] unlink("./235/binderfs" [pid 3499] fstat(3, [pid 4952] close(7 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4949] +++ exited with 0 +++ [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(23 [pid 4950] close(22 [pid 3502] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 4952] close(8 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(24 [pid 4950] close(23 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] lstat("./235/cgroup.net", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4952] close(9 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(25 [pid 4950] close(24 [pid 3502] unlink("./235/cgroup.net" [pid 3499] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4952] close(10 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4952] close(11 [pid 4951] close(26 [pid 4950] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./223/binderfs", [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4952] close(12 [pid 4951] close(27 [pid 4950] close(26 [pid 3504] <... openat resumed>) = 3 [pid 3502] lstat("./235/cgroup.cpu", [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 4952] close(13 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./223/binderfs" [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] close(28 [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./235/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 4952] close(14 [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] close(27 [pid 3504] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4952] close(15 [pid 4951] close(29 [pid 4950] close(28 [pid 3504] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./235/cgroup", [pid 3499] lstat("./223/cgroup.net", [pid 4952] close(16 [pid 4951] exit_group(0 [pid 4950] close(29 [pid 3504] lstat("./239/binderfs", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] <... exit_group resumed>) = ? [pid 4950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] unlink("./235/cgroup" [pid 3499] unlink("./223/cgroup.net" [pid 4952] close(17 [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3499] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 3499] lstat("./223/cgroup.cpu", [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4951] +++ exited with 0 +++ [pid 4950] exit_group(0 [pid 3504] unlink("./239/binderfs" [pid 3502] <... close resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4952] close(18 [pid 4950] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3502] rmdir("./235" [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] unlink("./223/cgroup.cpu" [pid 4952] close(19 [pid 4950] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] mkdir("./236", 0777 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./239/cgroup.net", [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] <... unlink resumed>) = 0 [pid 4952] close(20 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... restart_syscall resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./239/cgroup.net" [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4953 attached [pid 4952] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] set_robust_list(0x5555573195e0, 24 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 238 [pid 3501] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./223/cgroup", [pid 4953] <... set_robust_list resumed>) = 0 [pid 4952] close(22 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./239/cgroup.cpu", [pid 3501] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4953] chdir("./236" [pid 3500] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] unlink("./223/cgroup" [pid 4952] close(23 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 4953] <... chdir resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./239/cgroup.cpu" [pid 3501] fstat(3, [pid 3500] <... openat resumed>) = 3 [pid 3499] getdents64(3, [pid 4953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4952] close(24 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] fstat(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4953] <... prctl resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4953] setpgid(0, 0 [pid 4952] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] close(3 [pid 4953] <... setpgid resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./239/cgroup", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... close resumed>) = 0 [pid 4953] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4952] close(26 [pid 3501] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./223" [pid 4953] <... symlink resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 4953] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4952] close(27 [pid 3504] unlink("./239/cgroup" [pid 3501] lstat("./231/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] mkdir("./224", 0777 [pid 4953] <... symlink resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] lstat("./228/binderfs", [pid 3499] <... mkdir resumed>) = 0 [pid 4953] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4952] close(28 [pid 3504] getdents64(3, [pid 3501] unlink("./231/binderfs" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4954 attached [pid 4953] <... symlink resumed>) = 0 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 226 [pid 4953] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] write(3, "1000", 4 [pid 3501] lstat("./231/cgroup.net", [pid 4954] set_robust_list(0x5555573195e0, 24 [pid 4953] <... write resumed>) = 4 [pid 4952] close(29 [pid 3504] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./228/binderfs" [pid 4954] <... set_robust_list resumed>) = 0 [pid 4953] close(3 [pid 4952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3501] unlink("./231/cgroup.net" [pid 4953] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4954] chdir("./224" [pid 4953] read(200, [pid 4952] exit_group(0 [pid 3504] rmdir("./239" [pid 3501] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4954] <... chdir resumed>) = 0 [pid 4953] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4952] <... exit_group resumed>) = ? [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4953] symlink("/dev/binderfs", "./binderfs" [pid 3504] mkdir("./240", 0777 [pid 3501] lstat("./231/cgroup.cpu", [pid 4953] <... symlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4953] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3501] unlink("./231/cgroup.cpu" [pid 4954] <... prctl resumed>) = 0 [pid 4953] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4952] +++ exited with 0 +++ [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4954] setpgid(0, 0 [pid 4953] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] lstat("./228/cgroup.net", ./strace-static-x86_64: Process 4955 attached [pid 4954] <... setpgid resumed>) = 0 [pid 4953] <... mmap resumed>) = 0x20002000 [pid 3501] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4955] set_robust_list(0x5555573195e0, 24 [pid 4954] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4953] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 242 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./228/cgroup.net" [pid 4955] <... set_robust_list resumed>) = 0 [pid 4954] <... symlink resumed>) = 0 [pid 3503] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 4955] chdir("./240" [pid 4954] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4953] <... mmap resumed>) = 0x20000000 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./231/cgroup", [pid 3500] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4955] <... chdir resumed>) = 0 [pid 4954] <... symlink resumed>) = 0 [pid 4953] close(3 [pid 3503] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4954] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4953] <... close resumed>) = 0 [pid 3503] <... openat resumed>) = 3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] lstat("./228/cgroup.cpu", [pid 4955] <... prctl resumed>) = 0 [pid 4954] <... symlink resumed>) = 0 [pid 4953] close(4 [pid 3503] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4955] setpgid(0, 0 [pid 4954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] unlink("./231/cgroup" [pid 3500] unlink("./228/cgroup.cpu" [pid 4955] <... setpgid resumed>) = 0 [pid 4954] <... openat resumed>) = 3 [pid 4953] close(5 [pid 3503] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 4955] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4954] write(3, "1000", 4 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4954] <... write resumed>) = 4 [pid 3503] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4955] <... symlink resumed>) = 0 [pid 4954] close(3 [pid 4953] close(6 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] lstat("./228/cgroup", [pid 4955] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4954] <... close resumed>) = 0 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./238/binderfs", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 4954] read(200, [pid 4953] close(7 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] close(3 [pid 3500] unlink("./228/cgroup" [pid 4955] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4954] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./238/binderfs" [pid 3501] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 4954] symlink("/dev/binderfs", "./binderfs" [pid 4953] close(8 [pid 3503] <... unlink resumed>) = 0 [pid 3501] rmdir("./231" [pid 3500] getdents64(3, [pid 4955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4954] <... symlink resumed>) = 0 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4955] <... openat resumed>) = 3 [pid 4954] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4953] close(9 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] close(3 [pid 4955] write(3, "1000", 4 [pid 4954] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./238/cgroup.net", [pid 3501] mkdir("./232", 0777 [pid 3500] <... close resumed>) = 0 [pid 4955] <... write resumed>) = 4 [pid 4954] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4953] close(10 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] rmdir("./228" [pid 4955] close(3 [pid 4954] <... mmap resumed>) = 0x20002000 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./238/cgroup.net" [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 4955] <... close resumed>) = 0 [pid 4954] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] <... unlink resumed>) = 0 [pid 3500] mkdir("./229", 0777 [pid 4955] read(200, [pid 4954] <... mmap resumed>) = 0x20000000 [pid 4953] close(11 [pid 3503] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4956 attached [pid 4955] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4954] close(3 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4956] set_robust_list(0x5555573195e0, 24 [pid 4955] symlink("/dev/binderfs", "./binderfs" [pid 4954] <... close resumed>) = 0 [pid 4953] close(12 [pid 3503] lstat("./238/cgroup.cpu", [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 234 ./strace-static-x86_64: Process 4957 attached [pid 4956] <... set_robust_list resumed>) = 0 [pid 4955] <... symlink resumed>) = 0 [pid 4954] close(4 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4957] set_robust_list(0x5555573195e0, 24 [pid 4956] chdir("./232" [pid 4955] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(13 [pid 3503] unlink("./238/cgroup.cpu" [pid 4957] <... set_robust_list resumed>) = 0 [pid 4956] <... chdir resumed>) = 0 [pid 4955] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4954] close(5 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 231 [pid 4957] chdir("./229" [pid 4956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4955] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(14 [pid 3503] <... unlink resumed>) = 0 [pid 4957] <... chdir resumed>) = 0 [pid 4956] <... prctl resumed>) = 0 [pid 4955] <... mmap resumed>) = 0x20002000 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4956] setpgid(0, 0 [pid 4955] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4954] close(6 [pid 4953] close(15 [pid 3503] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4957] <... prctl resumed>) = 0 [pid 4956] <... setpgid resumed>) = 0 [pid 4955] <... mmap resumed>) = 0x20000000 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] setpgid(0, 0 [pid 4956] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4955] close(3 [pid 4954] close(7 [pid 4953] close(16 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4957] <... setpgid resumed>) = 0 [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... close resumed>) = 0 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./238/cgroup", [pid 4957] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4956] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4955] close(4 [pid 4954] close(8 [pid 4953] close(17 [pid 4957] <... symlink resumed>) = 0 [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4957] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4956] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4955] close(5 [pid 4954] close(9 [pid 4953] close(18 [pid 3503] unlink("./238/cgroup" [pid 4957] <... symlink resumed>) = 0 [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4955] close(6 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(19 [pid 3503] <... unlink resumed>) = 0 [pid 4957] <... symlink resumed>) = 0 [pid 4956] <... openat resumed>) = 3 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(10 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4956] write(3, "1000", 4 [pid 4955] close(7 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(20 [pid 3503] getdents64(3, [pid 4957] <... openat resumed>) = 3 [pid 4956] <... write resumed>) = 4 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(11 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] write(3, "1000", 4 [pid 4956] close(3 [pid 4955] close(8 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(21 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4957] <... write resumed>) = 4 [pid 4956] <... close resumed>) = 0 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(3 [pid 4956] read(200, [pid 4955] close(9 [pid 4954] close(12 [pid 4953] close(22 [pid 3503] close(3 [pid 4957] <... close resumed>) = 0 [pid 4956] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 4957] read(200, [pid 4956] symlink("/dev/binderfs", "./binderfs" [pid 4955] close(10 [pid 4954] close(13 [pid 4953] close(23 [pid 4957] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4956] <... symlink resumed>) = 0 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./238" [pid 4957] symlink("/dev/binderfs", "./binderfs" [pid 4956] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4955] close(11 [pid 4954] close(14 [pid 4953] close(24 [pid 4957] <... symlink resumed>) = 0 [pid 4956] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 4957] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4956] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4955] close(12 [pid 4954] close(15 [pid 4953] close(25 [pid 3503] mkdir("./239", 0777 [pid 4957] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4956] <... mmap resumed>) = 0x20002000 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4956] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4955] close(13 [pid 4954] close(16 [pid 4953] close(26 [pid 3503] <... mkdir resumed>) = 0 [pid 4957] <... mmap resumed>) = 0x20002000 [pid 4956] <... mmap resumed>) = 0x20000000 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4957] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4956] close(3 [pid 4955] close(14 [pid 4953] close(27 [pid 4957] <... mmap resumed>) = 0x20000000 [pid 4956] <... close resumed>) = 0 [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(17 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] close(3 [pid 4956] close(4 [pid 4955] close(15 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(28./strace-static-x86_64: Process 4958 attached [pid 4957] <... close resumed>) = 0 [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(18 [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] set_robust_list(0x5555573195e0, 24 [pid 4957] close(4 [pid 4956] close(5 [pid 4955] close(16 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] close(29 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 241 [pid 4958] <... set_robust_list resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] chdir("./239" [pid 4957] close(5 [pid 4956] close(6 [pid 4955] close(17 [pid 4953] exit_group(0 [pid 4958] <... chdir resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(19 [pid 4953] <... exit_group resumed>) = ? [pid 4958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4957] close(6 [pid 4956] close(7 [pid 4955] close(18 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4953] +++ exited with 0 +++ [pid 4958] <... prctl resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(20 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4958] setpgid(0, 0 [pid 4957] close(7 [pid 4956] close(8 [pid 4955] close(19 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... setpgid resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(21 [pid 4958] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4957] close(8 [pid 4956] close(9 [pid 4955] close(20 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... symlink resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(22 [pid 3502] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4957] close(9 [pid 4956] close(10 [pid 4955] close(21 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... symlink resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4957] close(10 [pid 4956] close(11 [pid 4955] close(22 [pid 4954] close(23 [pid 4958] <... symlink resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4957] close(11 [pid 4956] close(12 [pid 4955] close(23 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... openat resumed>) = 3 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 4958] write(3, "1000", 4 [pid 4957] close(12 [pid 4956] close(13 [pid 4955] close(24 [pid 4958] <... write resumed>) = 4 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(3 [pid 4957] close(13 [pid 4956] close(14 [pid 4955] close(25 [pid 4958] <... close resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] read(200, [pid 4957] close(14 [pid 4956] close(15 [pid 4955] close(26 [pid 4954] close(24 [pid 4958] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 4958] symlink("/dev/binderfs", "./binderfs" [pid 4957] close(15 [pid 4956] close(16 [pid 4955] close(27 [pid 4958] <... symlink resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(25 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4958] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4957] close(16 [pid 4956] close(17 [pid 4955] close(28 [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] close(26 [pid 3502] getdents64(3, [pid 4958] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4957] close(17 [pid 4956] close(18 [pid 4955] close(29 [pid 4958] <... mmap resumed>) = 0x20002000 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4957] close(18 [pid 4956] close(19 [pid 4955] exit_group(0 [pid 4958] <... mmap resumed>) = 0x20000000 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4955] <... exit_group resumed>) = ? [pid 4958] close(3 [pid 4957] close(19 [pid 4956] close(20 [pid 4955] +++ exited with 0 +++ [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4958] <... close resumed>) = 0 [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(4 [pid 4957] close(20 [pid 4956] close(21 [pid 4954] close(27 [pid 3502] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4958] close(5 [pid 4957] close(21 [pid 4956] close(22 [pid 4954] close(28 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] lstat("./236/binderfs", [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(6 [pid 4957] close(22 [pid 4956] close(23 [pid 4954] close(29 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./236/binderfs" [pid 4958] close(7 [pid 4957] close(23 [pid 4956] close(24 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 4958] close(8 [pid 4957] close(24 [pid 4956] close(25 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] <... exit_group resumed>) = ? [pid 3504] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] close(9 [pid 4957] close(25 [pid 4956] close(26 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(10 [pid 4957] close(26 [pid 4956] close(27 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4958] close(11 [pid 4957] close(27 [pid 4956] close(28 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4954] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] close(12 [pid 4957] close(28 [pid 4956] close(29 [pid 3504] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] lstat("./236/cgroup.net", [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4958] close(13 [pid 4957] close(29 [pid 4956] exit_group(0 [pid 3504] fstat(3, [pid 3502] unlink("./236/cgroup.net" [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4956] <... exit_group resumed>) = ? [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] close(14 [pid 4957] exit_group(0 [pid 4956] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] <... exit_group resumed>) = ? [pid 3499] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4958] close(15 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4957] +++ exited with 0 +++ [pid 3504] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] <... openat resumed>) = 3 [pid 4958] close(16 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./236/cgroup.cpu", [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./240/binderfs", [pid 3499] fstat(3, [pid 4958] close(17 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./236/cgroup.cpu" [pid 3499] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] close(18 [pid 3504] unlink("./240/binderfs" [pid 3502] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] close(19 [pid 3504] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./236/cgroup", [pid 3499] lstat("./224/binderfs", [pid 4958] close(20 [pid 3504] lstat("./240/cgroup.net", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] fstat(3, [pid 3500] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./236/cgroup" [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 3499] unlink("./224/binderfs" [pid 3504] unlink("./240/cgroup.net" [pid 3502] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] fstat(3, [pid 4958] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4958] close(22 [pid 3504] lstat("./240/cgroup.cpu", [pid 3502] <... close resumed>) = 0 [pid 3501] lstat("./232/binderfs", [pid 3500] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] rmdir("./236" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] close(23 [pid 3504] unlink("./240/cgroup.cpu" [pid 3502] <... rmdir resumed>) = 0 [pid 3501] unlink("./232/binderfs" [pid 3500] lstat("./229/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] mkdir("./237", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4958] close(24 [pid 3504] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... mkdir resumed>) = 0 [pid 3501] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./224/cgroup.net", [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./229/binderfs" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4958] close(25 [pid 3504] lstat("./240/cgroup", [pid 3499] unlink("./224/cgroup.net" [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 4958] close(26 [pid 3499] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4959 attached [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] lstat("./232/cgroup.net", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] set_robust_list(0x5555573195e0, 24 [pid 4958] close(27 [pid 3504] unlink("./240/cgroup" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 239 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./224/cgroup.cpu", [pid 4959] <... set_robust_list resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./232/cgroup.net" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] chdir("./237" [pid 4958] close(28 [pid 3504] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./229/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4959] <... chdir resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4958] close(29 [pid 3504] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./229/cgroup.net" [pid 3499] unlink("./224/cgroup.cpu" [pid 4959] <... prctl resumed>) = 0 [pid 4958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3501] lstat("./232/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 4959] setpgid(0, 0 [pid 3504] rmdir("./240" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4959] <... setpgid resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] unlink("./232/cgroup.cpu" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4959] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3504] mkdir("./241", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./229/cgroup.cpu", [pid 4959] <... symlink resumed>) = 0 [pid 4958] exit_group(0 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4958] <... exit_group resumed>) = ? [pid 3499] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4959] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./229/cgroup.cpu"./strace-static-x86_64: Process 4960 attached [pid 4959] <... symlink resumed>) = 0 [pid 4958] +++ exited with 0 +++ [pid 3501] lstat("./232/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4960] set_robust_list(0x5555573195e0, 24 [pid 4959] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 243 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4960] <... set_robust_list resumed>) = 0 [pid 4959] <... symlink resumed>) = 0 [pid 3501] unlink("./232/cgroup" [pid 3499] lstat("./224/cgroup", [pid 4960] chdir("./241" [pid 4959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4960] <... chdir resumed>) = 0 [pid 4959] <... openat resumed>) = 3 [pid 3503] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./224/cgroup" [pid 4960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4959] write(3, "1000", 4 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] lstat("./229/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 4960] <... prctl resumed>) = 0 [pid 4959] <... write resumed>) = 4 [pid 3503] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] getdents64(3, [pid 4960] setpgid(0, 0 [pid 4959] close(3 [pid 3503] <... openat resumed>) = 3 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4960] <... setpgid resumed>) = 0 [pid 4959] <... close resumed>) = 0 [pid 3503] fstat(3, [pid 3501] close(3 [pid 3500] unlink("./229/cgroup" [pid 3499] close(3 [pid 4960] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4959] read(200, [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... close resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] rmdir("./224" [pid 4960] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4959] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... rmdir resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 4959] symlink("/dev/binderfs", "./binderfs" [pid 3503] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] rmdir("./232" [pid 3500] getdents64(3, [pid 3499] mkdir("./225", 0777 [pid 4960] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4959] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 4960] <... symlink resumed>) = 0 [pid 4959] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] lstat("./239/binderfs", [pid 3501] mkdir("./233", 0777 [pid 3500] close(3 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4961 attached [pid 4960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4959] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 4961] set_robust_list(0x5555573195e0, 24 [pid 4960] <... openat resumed>) = 3 [pid 3503] unlink("./239/binderfs" [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 227 [pid 4961] <... set_robust_list resumed>) = 0 [pid 4960] write(3, "1000", 4 [pid 4959] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] rmdir("./229" [pid 4961] chdir("./225" [pid 4960] <... write resumed>) = 4 [pid 3503] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4961] <... chdir resumed>) = 0 [pid 4960] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4960] <... close resumed>) = 0 [pid 3503] lstat("./239/cgroup.net", [pid 4961] <... prctl resumed>) = 0 [pid 4960] read(200, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4959] <... mmap resumed>) = 0x20002000 [pid 4961] setpgid(0, 0 [pid 4960] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] unlink("./239/cgroup.net" [pid 4961] <... setpgid resumed>) = 0 [pid 4960] symlink("/dev/binderfs", "./binderfs" [pid 3503] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4962 attached [pid 4961] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4960] <... symlink resumed>) = 0 [pid 4959] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... rmdir resumed>) = 0 [pid 4962] set_robust_list(0x5555573195e0, 24 [pid 4961] <... symlink resumed>) = 0 [pid 4960] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4962] <... set_robust_list resumed>) = 0 [pid 4961] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4960] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4959] <... mmap resumed>) = 0x20000000 [pid 3503] lstat("./239/cgroup.cpu", [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 235 [pid 3500] mkdir("./230", 0777 [pid 4962] chdir("./233" [pid 4961] <... symlink resumed>) = 0 [pid 4960] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4959] close(3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4962] <... chdir resumed>) = 0 [pid 4961] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4960] <... mmap resumed>) = 0x20002000 [pid 4959] <... close resumed>) = 0 [pid 3503] unlink("./239/cgroup.cpu" [pid 3500] <... mkdir resumed>) = 0 [pid 4962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4961] <... symlink resumed>) = 0 [pid 4960] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4959] close(4 [pid 3503] <... unlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4962] <... prctl resumed>) = 0 [pid 4961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4960] <... mmap resumed>) = 0x20000000 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4962] setpgid(0, 0 [pid 4961] <... openat resumed>) = 3 [pid 4960] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4963 attached [pid 4962] <... setpgid resumed>) = 0 [pid 4961] write(3, "1000", 4 [pid 4960] <... close resumed>) = 0 [pid 4959] close(5 [pid 3503] lstat("./239/cgroup", [pid 4963] set_robust_list(0x5555573195e0, 24 [pid 4962] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4961] <... write resumed>) = 4 [pid 4960] close(4 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4963] <... set_robust_list resumed>) = 0 [pid 4962] <... symlink resumed>) = 0 [pid 4961] close(3 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(6 [pid 3503] unlink("./239/cgroup" [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 232 [pid 4963] chdir("./230" [pid 4962] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4961] <... close resumed>) = 0 [pid 4960] close(5 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 4963] <... chdir resumed>) = 0 [pid 4962] <... symlink resumed>) = 0 [pid 4961] read(200, [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(7 [pid 3503] getdents64(3, [pid 4963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4962] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4961] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4960] close(6 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4963] <... prctl resumed>) = 0 [pid 4962] <... symlink resumed>) = 0 [pid 4961] symlink("/dev/binderfs", "./binderfs" [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(8 [pid 3503] close(3 [pid 4963] setpgid(0, 0 [pid 4962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4961] <... symlink resumed>) = 0 [pid 4960] close(7 [pid 3503] <... close resumed>) = 0 [pid 4963] <... setpgid resumed>) = 0 [pid 4962] <... openat resumed>) = 3 [pid 4961] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./239" [pid 4963] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4962] write(3, "1000", 4 [pid 4961] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4960] close(8 [pid 4959] close(9 [pid 3503] <... rmdir resumed>) = 0 [pid 4963] <... symlink resumed>) = 0 [pid 4962] <... write resumed>) = 4 [pid 4961] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./240", 0777 [pid 4963] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4962] close(3 [pid 4961] <... mmap resumed>) = 0x20002000 [pid 4960] close(9 [pid 3503] <... mkdir resumed>) = 0 [pid 4963] <... symlink resumed>) = 0 [pid 4962] <... close resumed>) = 0 [pid 4961] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4963] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4962] read(200, [pid 4961] <... mmap resumed>) = 0x20000000 [pid 4960] close(10 [pid 4959] close(10./strace-static-x86_64: Process 4964 attached [pid 4963] <... symlink resumed>) = 0 [pid 4962] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4961] close(3 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(11 [pid 4963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4962] symlink("/dev/binderfs", "./binderfs" [pid 4960] close(11 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... openat resumed>) = 3 [pid 4961] <... close resumed>) = 0 [pid 4959] close(12 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 242 [pid 4963] write(3, "1000", 4 [pid 4962] <... symlink resumed>) = 0 [pid 4961] close(4 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] set_robust_list(0x5555573195e0, 24 [pid 4963] <... write resumed>) = 4 [pid 4962] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(12 [pid 4959] close(13 [pid 4963] close(3 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = 0 [pid 4962] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4961] close(5 [pid 4960] close(13 [pid 4959] close(14 [pid 4964] <... set_robust_list resumed>) = 0 [pid 4963] read(200, [pid 4962] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4961] close(6 [pid 4960] close(14 [pid 4959] close(15 [pid 4963] symlink("/dev/binderfs", "./binderfs" [pid 4962] <... mmap resumed>) = 0x20002000 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] chdir("./240" [pid 4963] <... symlink resumed>) = 0 [pid 4962] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4961] close(7 [pid 4960] close(15 [pid 4959] close(16 [pid 4964] <... chdir resumed>) = 0 [pid 4963] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4962] <... mmap resumed>) = 0x20000000 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4963] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4959] close(17 [pid 4964] <... prctl resumed>) = 0 [pid 4963] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4962] close(3 [pid 4961] close(8 [pid 4960] close(16 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] setpgid(0, 0 [pid 4963] <... mmap resumed>) = 0x20002000 [pid 4962] <... close resumed>) = 0 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(18 [pid 4964] <... setpgid resumed>) = 0 [pid 4963] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4962] close(4 [pid 4961] close(9 [pid 4960] close(17 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4963] <... mmap resumed>) = 0x20000000 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(19 [pid 4964] <... symlink resumed>) = 0 [pid 4963] close(3 [pid 4964] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4963] <... close resumed>) = 0 [pid 4964] <... symlink resumed>) = 0 [pid 4963] close(4 [pid 4964] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(5 [pid 4961] close(10 [pid 4960] close(18 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... symlink resumed>) = 0 [pid 4963] close(5 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] close(20 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(6 [pid 4961] close(11 [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... openat resumed>) = 3 [pid 4963] close(6 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(19 [pid 4959] close(21 [pid 4964] write(3, "1000", 4 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(7 [pid 4961] close(12 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... write resumed>) = 4 [pid 4963] close(7 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(20 [pid 4959] close(22 [pid 4964] close(3 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(8 [pid 4961] close(13 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = 0 [pid 4963] close(8 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(21 [pid 4959] close(23 [pid 4964] read(200, [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(9 [pid 4961] close(14 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4963] close(9 [pid 4964] symlink("/dev/binderfs", "./binderfs" [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... symlink resumed>) = 0 [pid 4963] close(10 [pid 4964] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4963] close(11 [pid 4964] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... mmap resumed>) = 0x20002000 [pid 4963] close(12 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(22 [pid 4959] close(24 [pid 4964] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(10 [pid 4964] <... mmap resumed>) = 0x20000000 [pid 4963] close(13 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(15 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(3 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(23 [pid 4959] close(25 [pid 4962] close(11 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = 0 [pid 4963] close(14 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(16 [pid 4964] close(4 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(15 [pid 4962] close(12 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(24 [pid 4959] close(26 [pid 4964] close(5 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(17 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(16 [pid 4962] close(13 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(25 [pid 4959] close(27 [pid 4964] close(6 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] close(18 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(17 [pid 4962] close(14 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(26 [pid 4959] close(28 [pid 4964] close(7 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(18 [pid 4962] close(15 [pid 4961] close(19 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(8 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] close(27 [pid 4959] close(29 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(19 [pid 4962] close(16 [pid 4961] close(20 [pid 4964] close(9 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(20 [pid 4962] close(17 [pid 4961] close(21 [pid 4959] exit_group(0 [pid 4960] close(28 [pid 4964] close(10 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] <... exit_group resumed>) = ? [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(21 [pid 4962] close(18 [pid 4961] close(22 [pid 4960] close(29 [pid 4964] close(11 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(22 [pid 4964] close(12 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(23 [pid 4964] close(13 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(24 [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(14 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(19 [pid 4961] close(23 [pid 4960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4959] +++ exited with 0 +++ [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(25 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4960] exit_group(0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4964] close(15 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(20 [pid 4961] close(24 [pid 4960] <... exit_group resumed>) = ? [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(26 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4964] close(16 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(27 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] close(17 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(21 [pid 4961] close(25 [pid 4960] +++ exited with 0 +++ [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(28 [pid 4962] close(22 [pid 4961] close(26 [pid 3502] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4964] close(18 [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] close(29 [pid 4962] close(23 [pid 4961] close(27 [pid 3504] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... openat resumed>) = 3 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] fstat(3, [pid 4964] close(19 [pid 4963] exit_group(0 [pid 4962] close(24 [pid 4961] close(28 [pid 3504] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4963] <... exit_group resumed>) = ? [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4964] close(20 [pid 4962] close(25 [pid 4961] close(29 [pid 3504] fstat(3, [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] close(26 [pid 4961] exit_group(0 [pid 3504] getdents64(3, [pid 3502] getdents64(3, [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4961] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4964] close(21 [pid 4963] +++ exited with 0 +++ [pid 4962] close(27 [pid 4961] +++ exited with 0 +++ [pid 3504] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] close(22 [pid 4962] close(28 [pid 3504] lstat("./241/binderfs", [pid 3502] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4962] close(29 [pid 3504] unlink("./241/binderfs" [pid 4964] close(23 [pid 4962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] lstat("./237/binderfs", [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] exit_group(0 [pid 3504] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4964] close(24 [pid 4962] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./237/binderfs" [pid 3499] <... restart_syscall resumed>) = 0 [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4962] +++ exited with 0 +++ [pid 3504] lstat("./241/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] unlink("./241/cgroup.net" [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 3504] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4964] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] fstat(3, [pid 3499] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./241/cgroup.cpu", [pid 3501] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4964] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] lstat("./237/cgroup.net", [pid 3501] <... openat resumed>) = 3 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./241/cgroup.cpu" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] fstat(3, [pid 4964] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, [pid 3499] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./237/cgroup.net" [pid 3501] getdents64(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... openat resumed>) = 3 [pid 4964] close(29 [pid 3504] lstat("./241/cgroup", [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 4964] exit_group(0 [pid 3504] unlink("./241/cgroup" [pid 3502] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./233/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4964] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] getdents64(3, [pid 4964] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./233/binderfs" [pid 3500] lstat("./230/binderfs", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] lstat("./237/cgroup.cpu", [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] close(3 [pid 3501] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./230/binderfs" [pid 3499] lstat("./225/binderfs", [pid 3504] rmdir("./241" [pid 3503] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./237/cgroup.cpu" [pid 3501] lstat("./233/cgroup.net", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./225/binderfs" [pid 3504] mkdir("./242", 0777 [pid 3503] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./233/cgroup.net" [pid 3500] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] fstat(3, [pid 3502] lstat("./237/cgroup", [pid 3501] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4965 attached [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./230/cgroup.net", [pid 4965] set_robust_list(0x5555573195e0, 24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 244 [pid 3503] getdents64(3, [pid 3502] unlink("./237/cgroup" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./225/cgroup.net", [pid 4965] <... set_robust_list resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./233/cgroup.cpu", [pid 3500] unlink("./230/cgroup.net" [pid 4965] chdir("./242" [pid 3503] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4965] <... chdir resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] unlink("./233/cgroup.cpu" [pid 3500] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] lstat("./240/binderfs", [pid 3502] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./225/cgroup.net" [pid 4965] <... prctl resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./230/cgroup.cpu", [pid 4965] setpgid(0, 0 [pid 3503] unlink("./240/binderfs" [pid 3502] rmdir("./237" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./230/cgroup.cpu" [pid 3503] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./238", 0777 [pid 3500] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./240/cgroup.net", [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4966 attached [pid 4965] <... setpgid resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./233/cgroup", [pid 3500] lstat("./230/cgroup", [pid 3499] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4966] set_robust_list(0x5555573195e0, 24 [pid 4965] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3503] unlink("./240/cgroup.net" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 240 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4966] <... set_robust_list resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./230/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4966] chdir("./238" [pid 4965] <... symlink resumed>) = 0 [pid 3503] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./233/cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 4966] <... chdir resumed>) = 0 [pid 4965] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] lstat("./225/cgroup.cpu", [pid 4966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] lstat("./240/cgroup.cpu", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4966] <... prctl resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4966] setpgid(0, 0 [pid 4965] <... symlink resumed>) = 0 [pid 3503] unlink("./240/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 4966] <... setpgid resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3500] rmdir("./230" [pid 4966] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4965] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3500] <... rmdir resumed>) = 0 [pid 3499] unlink("./225/cgroup.cpu" [pid 4966] <... symlink resumed>) = 0 [pid 4965] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] mkdir("./231", 0777 [pid 4966] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3503] lstat("./240/cgroup", [pid 3501] close(3 [pid 3500] <... mkdir resumed>) = 0 [pid 4965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3499] <... unlink resumed>) = 0 [pid 4966] <... symlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4967 attached [pid 4966] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4965] <... openat resumed>) = 3 [pid 3503] unlink("./240/cgroup" [pid 3501] <... close resumed>) = 0 [pid 3499] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4967] set_robust_list(0x5555573195e0, 24 [pid 4966] <... symlink resumed>) = 0 [pid 4965] write(3, "1000", 4 [pid 3503] <... unlink resumed>) = 0 [pid 3501] rmdir("./233" [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 233 [pid 4967] <... set_robust_list resumed>) = 0 [pid 4966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4965] <... write resumed>) = 4 [pid 3503] getdents64(3, [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4967] chdir("./231" [pid 4966] <... openat resumed>) = 3 [pid 4965] close(3 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] mkdir("./234", 0777 [pid 4967] <... chdir resumed>) = 0 [pid 4966] write(3, "1000", 4 [pid 4965] <... close resumed>) = 0 [pid 3503] close(3 [pid 3499] lstat("./225/cgroup", [pid 4967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4966] <... write resumed>) = 4 [pid 4965] read(200, [pid 3503] <... close resumed>) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 4967] <... prctl resumed>) = 0 [pid 4966] close(3 [pid 4965] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] rmdir("./240" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4967] setpgid(0, 0 [pid 4966] <... close resumed>) = 0 [pid 4965] symlink("/dev/binderfs", "./binderfs" [pid 3503] <... rmdir resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4967] <... setpgid resumed>) = 0 [pid 4966] read(200, [pid 3503] mkdir("./241", 0777 [pid 3499] unlink("./225/cgroup" [pid 4967] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4966] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4965] <... symlink resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4968 attached [pid 4967] <... symlink resumed>) = 0 [pid 4966] symlink("/dev/binderfs", "./binderfs" [pid 4965] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4969 attached [pid 4968] set_robust_list(0x5555573195e0, 24 [pid 4967] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4966] <... symlink resumed>) = 0 [pid 4969] set_robust_list(0x5555573195e0, 24 [pid 4968] <... set_robust_list resumed>) = 0 [pid 4967] <... symlink resumed>) = 0 [pid 4966] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4965] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 243 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 236 [pid 3499] getdents64(3, [pid 4969] <... set_robust_list resumed>) = 0 [pid 4968] chdir("./234" [pid 4967] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4966] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4965] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4969] chdir("./241" [pid 4968] <... chdir resumed>) = 0 [pid 4967] <... symlink resumed>) = 0 [pid 4966] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4965] <... mmap resumed>) = 0x20002000 [pid 4969] <... chdir resumed>) = 0 [pid 4968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4966] <... mmap resumed>) = 0x20002000 [pid 4965] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3499] close(3 [pid 4969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4968] <... prctl resumed>) = 0 [pid 4967] <... openat resumed>) = 3 [pid 4966] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4969] <... prctl resumed>) = 0 [pid 4968] setpgid(0, 0 [pid 4967] write(3, "1000", 4 [pid 4966] <... mmap resumed>) = 0x20000000 [pid 4965] <... mmap resumed>) = 0x20000000 [pid 3499] <... close resumed>) = 0 [pid 4969] setpgid(0, 0 [pid 4968] <... setpgid resumed>) = 0 [pid 4967] <... write resumed>) = 4 [pid 4966] close(3 [pid 4965] close(3 [pid 4969] <... setpgid resumed>) = 0 [pid 4968] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4967] close(3 [pid 4966] <... close resumed>) = 0 [pid 4965] <... close resumed>) = 0 [pid 3499] rmdir("./225" [pid 4969] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4968] <... symlink resumed>) = 0 [pid 4967] <... close resumed>) = 0 [pid 4966] close(4 [pid 4965] close(4 [pid 4969] <... symlink resumed>) = 0 [pid 4968] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4967] read(200, [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... rmdir resumed>) = 0 [pid 4969] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4967] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4966] close(5 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... symlink resumed>) = 0 [pid 4968] <... symlink resumed>) = 0 [pid 4967] symlink("/dev/binderfs", "./binderfs" [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(5 [pid 3499] mkdir("./226", 0777 [pid 4969] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4967] <... symlink resumed>) = 0 [pid 4966] close(6 [pid 4969] <... symlink resumed>) = 0 [pid 4967] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4968] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4967] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4966] close(7 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 4969] <... openat resumed>) = 3 [pid 4968] <... symlink resumed>) = 0 [pid 4967] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(6 [pid 4969] write(3, "1000", 4 [pid 4968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4967] <... mmap resumed>) = 0x20002000 [pid 4966] close(8 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4969] <... write resumed>) = 4 [pid 4968] <... openat resumed>) = 3 [pid 4967] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(7 [pid 4969] close(3 [pid 4967] <... mmap resumed>) = 0x20000000 [pid 4966] close(9./strace-static-x86_64: Process 4970 attached [pid 4969] <... close resumed>) = 0 [pid 4967] close(3 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] set_robust_list(0x5555573195e0, 24 [pid 4969] read(200, [pid 4967] <... close resumed>) = 0 [pid 4966] close(10 [pid 4970] <... set_robust_list resumed>) = 0 [pid 4969] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4967] close(4 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] chdir("./226" [pid 4969] symlink("/dev/binderfs", "./binderfs" [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(11 [pid 4965] close(8 [pid 4970] <... chdir resumed>) = 0 [pid 4969] <... symlink resumed>) = 0 [pid 4968] write(3, "1000", 4 [pid 4967] close(5 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 228 [pid 4970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4969] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(12 [pid 4970] <... prctl resumed>) = 0 [pid 4969] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4968] <... write resumed>) = 4 [pid 4967] close(6 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(9 [pid 4970] setpgid(0, 0 [pid 4969] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4968] close(3 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(13 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... setpgid resumed>) = 0 [pid 4969] <... mmap resumed>) = 0x20002000 [pid 4968] <... close resumed>) = 0 [pid 4967] close(7 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(10 [pid 4970] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4969] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4968] read(200, [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(14 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... symlink resumed>) = 0 [pid 4969] <... mmap resumed>) = 0x20000000 [pid 4968] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4967] close(8 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(11 [pid 4970] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4969] close(3 [pid 4968] symlink("/dev/binderfs", "./binderfs" [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(15 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... symlink resumed>) = 0 [pid 4969] <... close resumed>) = 0 [pid 4968] <... symlink resumed>) = 0 [pid 4967] close(9 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(12 [pid 4970] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4969] close(4 [pid 4968] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(16 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... symlink resumed>) = 0 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4967] close(10 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(13 [pid 4970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4969] close(5 [pid 4968] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(17 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... openat resumed>) = 3 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... mmap resumed>) = 0x20002000 [pid 4967] close(11 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(14 [pid 4970] write(3, "1000", 4 [pid 4969] close(6 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(18 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... write resumed>) = 4 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(12 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(15 [pid 4970] close(3 [pid 4969] close(7 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(19 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = 0 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4967] close(13 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(16 [pid 4970] read(200, [pid 4969] close(8 [pid 4968] <... mmap resumed>) = 0x20000000 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(20 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(3 [pid 4967] close(14 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(17 [pid 4970] symlink("/dev/binderfs", "./binderfs" [pid 4969] close(9 [pid 4968] <... close resumed>) = 0 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(21 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... symlink resumed>) = 0 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(4 [pid 4967] close(15 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(18 [pid 4970] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4969] close(10 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(22 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(5 [pid 4967] close(16 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(19 [pid 4970] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4969] close(11 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(23 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... mmap resumed>) = 0x20002000 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(6 [pid 4967] close(17 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(20 [pid 4970] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4969] close(12 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(24 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... mmap resumed>) = 0x20000000 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(7 [pid 4967] close(18 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(21 [pid 4970] close(3 [pid 4969] close(13 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(25 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = 0 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(8 [pid 4967] close(19 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(22 [pid 4970] close(4 [pid 4969] close(14 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(26 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(9 [pid 4967] close(20 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(23 [pid 4970] close(5 [pid 4969] close(15 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(27 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(21 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(24 [pid 4970] close(6 [pid 4969] close(16 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(28 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(22 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(25 [pid 4970] close(7 [pid 4969] close(17 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] close(29 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(23 [pid 4966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(26 [pid 4970] close(8 [pid 4969] close(18 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] exit_group(0 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(24 [pid 4966] <... exit_group resumed>) = ? [pid 4965] close(27 [pid 4970] close(9 [pid 4969] close(19 [pid 4968] close(10 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4966] +++ exited with 0 +++ [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(25 [pid 4970] close(10 [pid 4969] close(20 [pid 4968] close(11 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(28 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(26 [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4970] close(11 [pid 4968] close(12 [pid 4969] close(21 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] close(29 [pid 4970] close(12 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(13 [pid 4967] close(27 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] close(22 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(14) = -1 EBADF (Bad file descriptor) [pid 4970] close(13 [pid 4968] close(15 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] close(28 [pid 4965] exit_group(0 [pid 4970] close(14 [pid 4969] close(23 [pid 4968] close(16 [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4965] <... exit_group resumed>) = ? [pid 3502] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(17 [pid 4967] close(29 [pid 4965] +++ exited with 0 +++ [pid 4969] close(24 [pid 4970] close(15 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(18 [pid 4967] exit_group(0 [pid 4970] close(16 [pid 4969] close(25 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4967] <... exit_group resumed>) = ? [pid 3502] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(19 [pid 3504] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4968] close(20 [pid 3504] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 4968] close(21 [pid 3504] fstat(3, [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4968] close(22 [pid 3504] getdents64(3, [pid 4970] close(17 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... openat resumed>) = 3 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] close(26 [pid 4968] close(23 [pid 4967] +++ exited with 0 +++ [pid 3504] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] fstat(3, [pid 4970] close(18 [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(24 [pid 3504] lstat("./242/binderfs", [pid 3502] getdents64(3, [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4970] close(19 [pid 4969] close(27 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] close(25 [pid 3504] unlink("./242/binderfs" [pid 3502] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4970] close(20 [pid 4969] close(28 [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./238/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4970] close(21 [pid 4968] close(26 [pid 3504] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./238/binderfs" [pid 3500] <... openat resumed>) = 3 [pid 4970] close(22 [pid 4969] close(29 [pid 4968] close(27 [pid 3504] lstat("./242/cgroup.net", [pid 3502] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4970] close(23 [pid 4969] exit_group(0 [pid 4968] close(28 [pid 3504] unlink("./242/cgroup.net" [pid 3502] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] <... exit_group resumed>) = ? [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 4970] close(24 [pid 3502] lstat("./238/cgroup.net", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4970] close(25 [pid 3502] unlink("./238/cgroup.net" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4969] +++ exited with 0 +++ [pid 4968] close(29 [pid 3504] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3500] lstat("./231/binderfs", [pid 4970] close(26 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./231/binderfs" [pid 4970] close(27 [pid 3502] lstat("./238/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4970] close(28 [pid 3502] unlink("./238/cgroup.cpu" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] lstat("./231/cgroup.net", [pid 4970] close(29 [pid 3503] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./231/cgroup.net" [pid 4970] exit_group(0 [pid 3503] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] lstat("./238/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 4970] <... exit_group resumed>) = ? [pid 4968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4970] +++ exited with 0 +++ [pid 4968] exit_group(0 [pid 3504] lstat("./242/cgroup.cpu", [pid 3503] fstat(3, [pid 3502] unlink("./238/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4968] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] lstat("./231/cgroup.cpu", [pid 3503] getdents64(3, [pid 3502] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./231/cgroup.cpu" [pid 3503] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 4968] +++ exited with 0 +++ [pid 3504] unlink("./242/cgroup.cpu" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 3500] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./241/binderfs", [pid 3502] rmdir("./238" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] lstat("./231/cgroup", [pid 3499] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./241/binderfs" [pid 3502] mkdir("./239", 0777 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] unlink("./231/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./242/cgroup", [pid 3503] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3500] <... unlink resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] unlink("./242/cgroup" [pid 3499] <... openat resumed>) = 3 [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, ./strace-static-x86_64: Process 4971 attached [pid 3504] getdents64(3, [pid 3503] lstat("./241/cgroup.net", [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 241 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] getdents64(3, [pid 4971] set_robust_list(0x5555573195e0, 24 [pid 3504] close(3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4971] <... set_robust_list resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3503] unlink("./241/cgroup.net" [pid 3501] fstat(3, [pid 3500] close(3 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4971] chdir("./239" [pid 3504] rmdir("./242" [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4971] <... chdir resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] mkdir("./243", 0777 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./226/binderfs", [pid 4971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] rmdir("./231" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4971] <... prctl resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./226/binderfs"./strace-static-x86_64: Process 4972 attached [pid 4971] setpgid(0, 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./234/binderfs", [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4972] set_robust_list(0x5555573195e0, 24 [pid 4971] <... setpgid resumed>) = 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 245 [pid 3503] lstat("./241/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4972] <... set_robust_list resumed>) = 0 [pid 4971] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./234/binderfs" [pid 3500] mkdir("./232", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] chdir("./243" [pid 3503] unlink("./241/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./226/cgroup.net", [pid 4971] <... symlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4972] <... chdir resumed>) = 0 [pid 4971] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3503] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4971] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./226/cgroup.net"./strace-static-x86_64: Process 4973 attached [pid 4972] <... prctl resumed>) = 0 [pid 4971] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3503] lstat("./241/cgroup", [pid 3501] lstat("./234/cgroup.net", [pid 4973] set_robust_list(0x5555573195e0, 24 [pid 4972] setpgid(0, 0 [pid 4971] <... symlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 234 [pid 3499] <... unlink resumed>) = 0 [pid 4973] <... set_robust_list resumed>) = 0 [pid 4972] <... setpgid resumed>) = 0 [pid 4971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] unlink("./241/cgroup" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4973] chdir("./232" [pid 4972] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4971] <... openat resumed>) = 3 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./234/cgroup.net" [pid 4973] <... chdir resumed>) = 0 [pid 4972] <... symlink resumed>) = 0 [pid 4971] write(3, "1000", 4 [pid 3503] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4972] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4971] <... write resumed>) = 4 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./226/cgroup.cpu", [pid 4973] <... prctl resumed>) = 0 [pid 4972] <... symlink resumed>) = 0 [pid 4971] close(3 [pid 3503] close(3 [pid 4973] setpgid(0, 0 [pid 4972] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4971] <... close resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 4973] <... setpgid resumed>) = 0 [pid 4972] <... symlink resumed>) = 0 [pid 4971] read(200, [pid 3503] rmdir("./241" [pid 4973] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4971] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... rmdir resumed>) = 0 [pid 4973] <... symlink resumed>) = 0 [pid 4972] <... openat resumed>) = 3 [pid 4971] symlink("/dev/binderfs", "./binderfs" [pid 3503] mkdir("./242", 0777 [pid 4973] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4972] write(3, "1000", 4 [pid 4971] <... symlink resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 4973] <... symlink resumed>) = 0 [pid 4972] <... write resumed>) = 4 [pid 4971] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4974 attached [pid 4973] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4972] close(3 [pid 4971] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4974] set_robust_list(0x5555573195e0, 24 [pid 4973] <... symlink resumed>) = 0 [pid 4972] <... close resumed>) = 0 [pid 4971] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3501] lstat("./234/cgroup.cpu", [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 244 [pid 3499] unlink("./226/cgroup.cpu" [pid 4974] <... set_robust_list resumed>) = 0 [pid 4973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4972] read(200, [pid 4971] <... mmap resumed>) = 0x20002000 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4974] chdir("./242" [pid 4973] <... openat resumed>) = 3 [pid 3501] unlink("./234/cgroup.cpu" [pid 3499] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4972] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4974] <... chdir resumed>) = 0 [pid 4973] write(3, "1000", 4 [pid 4971] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4973] <... write resumed>) = 4 [pid 4972] symlink("/dev/binderfs", "./binderfs" [pid 4971] <... mmap resumed>) = 0x20000000 [pid 3501] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3499] lstat("./226/cgroup", [pid 4974] <... prctl resumed>) = 0 [pid 4973] close(3 [pid 4972] <... symlink resumed>) = 0 [pid 4971] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4974] setpgid(0, 0 [pid 4973] <... close resumed>) = 0 [pid 4972] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4971] <... close resumed>) = 0 [pid 3501] lstat("./234/cgroup", [pid 3499] unlink("./226/cgroup" [pid 4974] <... setpgid resumed>) = 0 [pid 4973] read(200, [pid 4972] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4971] close(4 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4974] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4973] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4972] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./234/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 4974] <... symlink resumed>) = 0 [pid 4973] symlink("/dev/binderfs", "./binderfs" [pid 4972] <... mmap resumed>) = 0x20002000 [pid 4971] close(5 [pid 3501] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 4974] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4973] <... symlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4974] <... symlink resumed>) = 0 [pid 4973] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4972] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] close(3 [pid 4974] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4973] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3501] close(3 [pid 3499] <... close resumed>) = 0 [pid 4974] <... symlink resumed>) = 0 [pid 4973] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4972] <... mmap resumed>) = 0x20000000 [pid 4971] close(6 [pid 4974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4973] <... mmap resumed>) = 0x20002000 [pid 4972] close(3 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] <... openat resumed>) = 3 [pid 4973] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4972] <... close resumed>) = 0 [pid 4971] close(7 [pid 3501] <... close resumed>) = 0 [pid 3499] rmdir("./226" [pid 4974] write(3, "1000", 4 [pid 4973] <... mmap resumed>) = 0x20000000 [pid 4972] close(4 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./234" [pid 3499] <... rmdir resumed>) = 0 [pid 4974] <... write resumed>) = 4 [pid 4973] close(3 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(8 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] mkdir("./227", 0777 [pid 4974] close(3 [pid 4973] <... close resumed>) = 0 [pid 4972] close(5 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./235", 0777 [pid 3499] <... mkdir resumed>) = 0 [pid 4974] <... close resumed>) = 0 [pid 4973] close(4 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(9 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4974] read(200, [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(6 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4975 attached [pid 4974] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4973] close(5 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(10./strace-static-x86_64: Process 4976 attached [pid 4975] set_robust_list(0x5555573195e0, 24 [pid 4974] symlink("/dev/binderfs", "./binderfs" [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(7 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 229 [pid 4974] <... symlink resumed>) = 0 [pid 4973] close(6 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(11 [pid 4976] set_robust_list(0x5555573195e0, 24 [pid 4974] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(8 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 237 [pid 4976] <... set_robust_list resumed>) = 0 [pid 4975] <... set_robust_list resumed>) = 0 [pid 4974] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4973] close(7 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(12 [pid 4976] chdir("./235" [pid 4974] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(9 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] chdir("./227" [pid 4976] <... chdir resumed>) = 0 [pid 4975] <... chdir resumed>) = 0 [pid 4974] <... mmap resumed>) = 0x20002000 [pid 4973] close(8 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(13 [pid 4976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4974] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(10 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... prctl resumed>) = 0 [pid 4975] <... prctl resumed>) = 0 [pid 4974] <... mmap resumed>) = 0x20000000 [pid 4973] close(9 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(14 [pid 4976] setpgid(0, 0 [pid 4975] setpgid(0, 0 [pid 4974] close(3 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(11 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... setpgid resumed>) = 0 [pid 4974] <... close resumed>) = 0 [pid 4973] close(10 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(15 [pid 4975] <... setpgid resumed>) = 0 [pid 4974] close(4 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(12 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4975] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(11 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(16 [pid 4976] <... symlink resumed>) = 0 [pid 4974] close(5 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(13 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4975] <... symlink resumed>) = 0 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(12 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(17 [pid 4976] <... symlink resumed>) = 0 [pid 4975] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4974] close(6 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(14 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4975] <... symlink resumed>) = 0 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... symlink resumed>) = 0 [pid 4975] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4974] close(7 [pid 4973] close(13 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(18 [pid 4976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4975] <... symlink resumed>) = 0 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(15 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... openat resumed>) = 3 [pid 4975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4974] close(8 [pid 4973] close(14 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(19 [pid 4976] write(3, "1000", 4 [pid 4975] <... openat resumed>) = 3 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(16 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... write resumed>) = 4 [pid 4975] write(3, "1000", 4 [pid 4974] close(9 [pid 4973] close(15 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(20 [pid 4976] close(3 [pid 4975] <... write resumed>) = 4 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(17 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = 0 [pid 4975] close(3 [pid 4974] close(10 [pid 4973] close(16 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(21 [pid 4976] read(200, [pid 4975] <... close resumed>) = 0 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(18 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4975] read(200, [pid 4974] close(11 [pid 4973] close(17 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(22 [pid 4976] symlink("/dev/binderfs", "./binderfs" [pid 4975] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(19 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... symlink resumed>) = 0 [pid 4975] symlink("/dev/binderfs", "./binderfs" [pid 4974] close(12 [pid 4973] close(18 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(23 [pid 4976] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4975] <... symlink resumed>) = 0 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(20 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4975] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4974] close(13 [pid 4973] close(19 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(24 [pid 4976] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4975] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(21 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... mmap resumed>) = 0x20002000 [pid 4975] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4974] close(14 [pid 4973] close(20 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(25 [pid 4975] <... mmap resumed>) = 0x20002000 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(22 [pid 4976] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... mmap resumed>) = 0x20000000 [pid 4975] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4974] close(15 [pid 4973] close(21 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(26 [pid 4976] close(3 [pid 4975] <... mmap resumed>) = 0x20000000 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(23 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = 0 [pid 4975] close(3 [pid 4974] close(16 [pid 4973] close(22 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(27 [pid 4976] close(4 [pid 4975] <... close resumed>) = 0 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(24 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(4 [pid 4974] close(17 [pid 4973] close(23 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(28 [pid 4976] close(5 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(25 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(5 [pid 4974] close(18 [pid 4973] close(24 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] close(29 [pid 4976] close(6 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(26 [pid 4971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(6 [pid 4974] close(19 [pid 4973] close(25 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] exit_group(0 [pid 4976] close(7 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(27 [pid 4971] <... exit_group resumed>) = ? [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(7 [pid 4974] close(20 [pid 4973] close(26 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(8 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(8 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(28 [pid 4976] close(9 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(21 [pid 4973] close(27 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4971] +++ exited with 0 +++ [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(9 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] close(29 [pid 4976] close(10 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(22 [pid 4973] close(28 [pid 4972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(10 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(11 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(23 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4972] exit_group(0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(11 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] close(29 [pid 4972] <... exit_group resumed>) = ? [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 4976] close(12 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(24 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(12 [pid 4973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4976] close(13 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] exit_group(0 [pid 4972] +++ exited with 0 +++ [pid 3502] <... restart_syscall resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(13 [pid 4974] close(25 [pid 4973] <... exit_group resumed>) = ? [pid 4976] close(14 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(14 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 4976] close(15 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(26 [pid 3504] <... restart_syscall resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(15 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4973] +++ exited with 0 +++ [pid 3502] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4976] close(16 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(27 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(16 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4976] close(17 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(17 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] fstat(3, [pid 3500] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4976] close(18 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] close(29 [pid 3504] <... openat resumed>) = 3 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(18 [pid 4974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3500] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] getdents64(3, [pid 4976] close(19 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] exit_group(0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... openat resumed>) = 3 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(19 [pid 4974] <... exit_group resumed>) = ? [pid 3504] getdents64(3, [pid 3502] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 4976] close(20 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(20 [pid 3504] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 4976] close(21 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4974] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(21 [pid 3504] lstat("./243/binderfs", [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3502] lstat("./239/binderfs", [pid 3500] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4976] close(22 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(22 [pid 3504] unlink("./243/binderfs" [pid 3502] unlink("./239/binderfs" [pid 3500] lstat("./232/binderfs", [pid 4976] close(23 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(23 [pid 3504] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./232/binderfs" [pid 4976] close(24 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(24 [pid 3504] lstat("./243/cgroup.net", [pid 3503] <... openat resumed>) = 3 [pid 3502] lstat("./239/cgroup.net", [pid 3500] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4976] close(25 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] fstat(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(25 [pid 3504] unlink("./243/cgroup.net" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] unlink("./239/cgroup.net" [pid 3500] lstat("./232/cgroup.net", [pid 4976] close(26 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(26 [pid 3504] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./232/cgroup.net" [pid 4976] close(27 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(27 [pid 3504] lstat("./243/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./239/cgroup.cpu", [pid 3500] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4976] close(28 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./242/binderfs", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(28 [pid 3504] unlink("./243/cgroup.cpu" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] unlink("./239/cgroup.cpu" [pid 3500] lstat("./232/cgroup.cpu", [pid 4976] close(29 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./242/binderfs" [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4975] close(29 [pid 3504] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./232/cgroup.cpu" [pid 4976] exit_group(0 [pid 4975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 4976] <... exit_group resumed>) = ? [pid 4975] exit_group(0 [pid 3504] lstat("./243/cgroup", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./239/cgroup", [pid 3500] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4975] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] lstat("./242/cgroup.net", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./239/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] unlink("./243/cgroup" [pid 3503] unlink("./242/cgroup.net" [pid 3502] <... unlink resumed>) = 0 [pid 3500] lstat("./232/cgroup", [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 4976] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3503] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./232/cgroup" [pid 3504] close(3 [pid 3503] lstat("./242/cgroup.cpu", [pid 3502] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3500] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] rmdir("./239" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3504] rmdir("./243" [pid 3503] unlink("./242/cgroup.cpu" [pid 3502] <... rmdir resumed>) = 0 [pid 3500] close(3 [pid 3504] <... rmdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 4975] +++ exited with 0 +++ [pid 3504] mkdir("./244", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 3502] mkdir("./240", 0777 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... mkdir resumed>) = 0 [pid 3500] rmdir("./232" [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... rmdir resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 4977 attached [pid 3503] lstat("./242/cgroup", ./strace-static-x86_64: Process 4978 attached [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 246 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] mkdir("./233", 0777 [pid 3499] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4978] set_robust_list(0x5555573195e0, 24 [pid 4977] set_robust_list(0x5555573195e0, 24 [pid 3503] unlink("./242/cgroup" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 242 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4978] <... set_robust_list resumed>) = 0 [pid 4977] <... set_robust_list resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4978] chdir("./240") = 0 [pid 4977] chdir("./244" [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3499] <... openat resumed>) = 3 [pid 4978] setpgid(0, 0) = 0 [pid 4977] <... chdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] fstat(3, ./strace-static-x86_64: Process 4979 attached [pid 4978] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4979] set_robust_list(0x5555573195e0, 24 [pid 4978] <... symlink resumed>) = 0 [pid 4977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] close(3 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 235 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4979] <... set_robust_list resumed>) = 0 [pid 4978] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4977] <... prctl resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3501] fstat(3, [pid 3499] getdents64(3, [pid 4979] chdir("./233" [pid 4978] <... symlink resumed>) = 0 [pid 4977] setpgid(0, 0 [pid 3503] rmdir("./242" [pid 4979] <... chdir resumed>) = 0 [pid 4978] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4977] <... setpgid resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... rmdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4978] <... symlink resumed>) = 0 [pid 4978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4978] write(3, "1000", 4) = 4 [pid 4978] close(3) = 0 [pid 4978] read(200, 0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4978] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4979] <... prctl resumed>) = 0 [pid 4978] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3503] mkdir("./243", 0777 [pid 3501] getdents64(3, [pid 3499] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4978] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4977] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4979] setpgid(0, 0 [pid 4978] <... mmap resumed>) = 0x20002000 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4979] <... setpgid resumed>) = 0 [pid 4978] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] <... mkdir resumed>) = 0 [pid 4979] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4978] <... mmap resumed>) = 0x20000000 [pid 4977] <... symlink resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./227/binderfs", [pid 4978] close(3 [pid 4979] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = 0 [pid 4978] close(4 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(5) = -1 EBADF (Bad file descriptor) [pid 4978] close(6) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4980 attached [pid 4979] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4978] close(7 [pid 4977] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3501] lstat("./235/binderfs", [pid 3499] unlink("./227/binderfs" [pid 4980] set_robust_list(0x5555573195e0, 24 [pid 4979] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... symlink resumed>) = 0 [pid 4980] <... set_robust_list resumed>) = 0 [pid 4979] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4978] close(8 [pid 4977] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 245 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4980] chdir("./243" [pid 4979] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... symlink resumed>) = 0 [pid 3501] unlink("./235/binderfs" [pid 3499] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4980] <... chdir resumed>) = 0 [pid 4979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4978] close(9 [pid 4977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4979] <... openat resumed>) = 3 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... openat resumed>) = 3 [pid 3501] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./227/cgroup.net", [pid 4980] <... prctl resumed>) = 0 [pid 4979] write(3, "1000", 4 [pid 4978] close(10 [pid 4977] write(3, "1000", 4 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4980] setpgid(0, 0 [pid 4979] <... write resumed>) = 4 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... write resumed>) = 4 [pid 3501] lstat("./235/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4980] <... setpgid resumed>) = 0 [pid 4979] close(3 [pid 4978] close(11 [pid 4977] close(3 [pid 4980] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4979] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./227/cgroup.net" [pid 4980] <... symlink resumed>) = 0 [pid 4979] read(200, [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = 0 [pid 3501] unlink("./235/cgroup.net" [pid 3499] <... unlink resumed>) = 0 [pid 4980] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4979] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4978] close(12 [pid 4977] read(200, [pid 3501] <... unlink resumed>) = 0 [pid 4980] <... symlink resumed>) = 0 [pid 4979] symlink("/dev/binderfs", "./binderfs" [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3501] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4980] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4979] <... symlink resumed>) = 0 [pid 4978] close(13 [pid 4977] symlink("/dev/binderfs", "./binderfs" [pid 4980] <... symlink resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... symlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4979] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4978] close(14 [pid 4977] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4980] <... openat resumed>) = 3 [pid 4979] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3501] lstat("./235/cgroup.cpu", [pid 3499] lstat("./227/cgroup.cpu", [pid 4980] write(3, "1000", 4 [pid 4979] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4978] close(15 [pid 4977] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4980] <... write resumed>) = 4 [pid 4979] <... mmap resumed>) = 0x20002000 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... mmap resumed>) = 0x20002000 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4980] close(3 [pid 4979] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4978] close(16 [pid 4977] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] unlink("./235/cgroup.cpu" [pid 4980] <... close resumed>) = 0 [pid 4979] <... mmap resumed>) = 0x20000000 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... mmap resumed>) = 0x20000000 [pid 3499] unlink("./227/cgroup.cpu" [pid 4980] read(200, [pid 4979] close(3 [pid 4978] close(17 [pid 4977] close(3 [pid 3501] <... unlink resumed>) = 0 [pid 4980] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4979] <... close resumed>) = 0 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = 0 [pid 3501] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 4980] symlink("/dev/binderfs", "./binderfs" [pid 4979] close(4 [pid 4978] close(18 [pid 4977] close(4 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4980] <... symlink resumed>) = 0 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./235/cgroup", [pid 4980] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4979] close(5 [pid 4978] close(19 [pid 4977] close(5 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4980] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./235/cgroup" [pid 3499] lstat("./227/cgroup", [pid 4980] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4979] close(6 [pid 4978] close(20 [pid 4977] close(6 [pid 4980] <... mmap resumed>) = 0x20002000 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4978] close(21 [pid 4977] close(7 [pid 4980] <... mmap resumed>) = 0x20000000 [pid 4979] close(7 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 3499] unlink("./227/cgroup" [pid 4980] close(3 [pid 4978] close(22 [pid 4977] close(8 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4980] <... close resumed>) = 0 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 4980] close(4 [pid 4978] close(23 [pid 4977] close(9 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(8 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 3499] getdents64(3, [pid 4980] close(5 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(24 [pid 4977] close(10 [pid 3501] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(9 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(6 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(25 [pid 4977] close(11 [pid 3501] rmdir("./235" [pid 3499] close(3 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(10 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(7 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(26 [pid 4977] close(12 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(11 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(8 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(27 [pid 4977] close(13 [pid 3501] mkdir("./236", 0777 [pid 3499] rmdir("./227" [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(12 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(9 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] close(28 [pid 4977] close(14 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(13 [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] close(10 [pid 4978] close(29 [pid 4977] close(15 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] mkdir("./228", 0777./strace-static-x86_64: Process 4981 attached [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 4981] set_robust_list(0x5555573195e0, 24 [pid 4980] close(11 [pid 4979] close(14 [pid 4978] exit_group(0 [pid 4977] close(16 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 238 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4981] <... set_robust_list resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4978] <... exit_group resumed>) = ? [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4982 attached [pid 4981] chdir("./236" [pid 4980] close(12 [pid 4979] close(15 [pid 4978] +++ exited with 0 +++ [pid 4977] close(17 [pid 4982] set_robust_list(0x5555573195e0, 24 [pid 4981] <... chdir resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 230 [pid 4982] <... set_robust_list resumed>) = 0 [pid 4981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4980] close(13 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(18 [pid 4982] chdir("./228" [pid 4981] <... prctl resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(16 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... chdir resumed>) = 0 [pid 4981] setpgid(0, 0 [pid 4980] close(14 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(19 [pid 3502] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4981] <... setpgid resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(17 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] <... prctl resumed>) = 0 [pid 4981] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4980] close(15 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(20 [pid 3502] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4982] setpgid(0, 0 [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(18 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 4982] <... setpgid resumed>) = 0 [pid 4981] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4980] close(16 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(21 [pid 3502] fstat(3, [pid 4982] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(19 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4982] <... symlink resumed>) = 0 [pid 4981] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4980] close(17 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(22 [pid 3502] getdents64(3, [pid 4982] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(20 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4982] <... symlink resumed>) = 0 [pid 4981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4980] close(18 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] close(23 [pid 3502] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4981] <... openat resumed>) = 3 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] close(21 [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] <... symlink resumed>) = 0 [pid 4981] write(3, "1000", 4 [pid 4980] close(19 [pid 4977] close(24 [pid 3502] lstat("./240/binderfs", [pid 4982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4981] <... write resumed>) = 4 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4982] <... openat resumed>) = 3 [pid 4981] close(3 [pid 4980] close(20 [pid 4977] close(25 [pid 3502] unlink("./240/binderfs" [pid 4982] write(3, "1000", 4 [pid 4981] <... close resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 4982] <... write resumed>) = 4 [pid 4981] read(200, [pid 4980] close(21 [pid 4979] close(22 [pid 4977] close(26 [pid 3502] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] close(3 [pid 4981] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] <... close resumed>) = 0 [pid 4981] symlink("/dev/binderfs", "./binderfs" [pid 4980] close(22 [pid 4979] close(23 [pid 4977] close(27 [pid 3502] lstat("./240/cgroup.net", [pid 4982] read(200, [pid 4981] <... symlink resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4982] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4981] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4980] close(23 [pid 4979] close(24 [pid 4977] close(28 [pid 3502] unlink("./240/cgroup.net" [pid 4982] symlink("/dev/binderfs", "./binderfs" [pid 4981] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... symlink resumed>) = 0 [pid 4981] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4980] close(24 [pid 4979] close(25 [pid 4977] close(29 [pid 3502] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4981] <... mmap resumed>) = 0x20002000 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4981] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4980] close(25 [pid 4979] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4981] <... mmap resumed>) = 0x20000000 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] exit_group(0 [pid 4982] <... mmap resumed>) = 0x20002000 [pid 4981] close(3 [pid 4980] close(26 [pid 4979] close(27 [pid 4977] <... exit_group resumed>) = ? [pid 3502] lstat("./240/cgroup.cpu", [pid 4982] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4981] <... close resumed>) = 0 [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4982] <... mmap resumed>) = 0x20000000 [pid 4981] close(4 [pid 4980] close(27 [pid 4979] close(28 [pid 3502] unlink("./240/cgroup.cpu" [pid 4982] close(3 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4977] +++ exited with 0 +++ [pid 4982] <... close resumed>) = 0 [pid 4981] close(5 [pid 4980] close(28 [pid 4979] close(29 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] <... unlink resumed>) = 0 [pid 4982] close(4 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] close(6 [pid 4980] close(29 [pid 4979] exit_group(0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] close(5 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4979] <... exit_group resumed>) = ? [pid 3502] lstat("./240/cgroup", [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] close(7 [pid 4980] exit_group(0 [pid 4979] +++ exited with 0 +++ [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4982] close(6 [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4980] <... exit_group resumed>) = ? [pid 3504] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./240/cgroup" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] close(8 [pid 4982] close(7 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4982] close(8 [pid 4981] close(9 [pid 4980] +++ exited with 0 +++ [pid 3504] <... openat resumed>) = 3 [pid 3502] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4982] close(9 [pid 4981] close(10 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3502] close(3 [pid 3500] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3502] <... close resumed>) = 0 [pid 4982] close(10 [pid 4981] close(11 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3502] rmdir("./240" [pid 3500] <... openat resumed>) = 3 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 4982] close(11 [pid 4981] close(12 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./244/binderfs", [pid 3503] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./241", 0777 [pid 4982] close(12 [pid 4981] close(13 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] getdents64(3, [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./244/binderfs" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4982] close(13 [pid 4981] close(14 [pid 3504] <... unlink resumed>) = 0 [pid 3503] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4983 attached [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] set_robust_list(0x5555573195e0, 24 [pid 4982] close(14 [pid 4981] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] fstat(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 243 [pid 3500] lstat("./233/binderfs", [pid 4983] <... set_robust_list resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./244/cgroup.net", [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4983] chdir("./241" [pid 4982] close(15 [pid 4981] close(16 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4983] <... chdir resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./244/cgroup.net" [pid 4983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4982] close(16 [pid 4981] close(17 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] unlink("./233/binderfs" [pid 4983] <... prctl resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] setpgid(0, 0 [pid 4982] close(17 [pid 4981] close(18 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 4983] <... setpgid resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./244/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4982] close(18 [pid 4981] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./244/cgroup.cpu" [pid 4983] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4982] close(19 [pid 4981] close(20 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./243/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4982] close(20 [pid 4981] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] lstat("./233/cgroup.net", [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./244/cgroup", [pid 3503] unlink("./243/binderfs" [pid 4983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4982] close(21 [pid 4981] close(22 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4983] <... openat resumed>) = 3 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./244/cgroup" [pid 3503] <... unlink resumed>) = 0 [pid 4983] write(3, "1000", 4 [pid 4982] close(22 [pid 4981] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./233/cgroup.net" [pid 4983] <... write resumed>) = 4 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 4983] close(3 [pid 4982] close(23 [pid 4981] close(24 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 4983] <... close resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] lstat("./243/cgroup.net", [pid 3500] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4983] read(200, [pid 4982] close(24 [pid 4981] close(25 [pid 3504] <... close resumed>) = 0 [pid 4983] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./244" [pid 4983] symlink("/dev/binderfs", "./binderfs" [pid 4982] close(25 [pid 4981] close(26 [pid 3504] <... rmdir resumed>) = 0 [pid 4983] <... symlink resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./245", 0777 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4982] close(26 [pid 4981] close(27 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] unlink("./243/cgroup.net" [pid 4983] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4984 attached [pid 4983] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4982] close(27 [pid 4981] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 3500] lstat("./233/cgroup.cpu", [pid 4984] set_robust_list(0x5555573195e0, 24 [pid 4983] <... mmap resumed>) = 0x20002000 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 247 [pid 4984] <... set_robust_list resumed>) = 0 [pid 4983] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4982] close(28 [pid 4981] close(29 [pid 3503] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4984] chdir("./245" [pid 4983] <... mmap resumed>) = 0x20000000 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... chdir resumed>) = 0 [pid 4983] close(3 [pid 4982] close(29 [pid 4981] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./233/cgroup.cpu" [pid 4984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4983] <... close resumed>) = 0 [pid 4982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4981] <... exit_group resumed>) = ? [pid 3503] lstat("./243/cgroup.cpu", [pid 4984] <... prctl resumed>) = 0 [pid 4983] close(4 [pid 4982] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 4984] setpgid(0, 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4982] <... exit_group resumed>) = ? [pid 4981] +++ exited with 0 +++ [pid 3503] unlink("./243/cgroup.cpu" [pid 4984] <... setpgid resumed>) = 0 [pid 4983] close(5 [pid 4982] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4984] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... symlink resumed>) = 0 [pid 4983] close(6 [pid 3503] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4984] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... symlink resumed>) = 0 [pid 4983] close(7 [pid 3500] lstat("./233/cgroup", [pid 4984] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./243/cgroup", [pid 4984] <... symlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4983] close(8 [pid 3503] unlink("./243/cgroup" [pid 3501] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./233/cgroup" [pid 3499] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4984] <... openat resumed>) = 3 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] write(3, "1000", 4 [pid 4983] close(9 [pid 3503] getdents64(3, [pid 3501] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] getdents64(3, [pid 3499] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4984] <... write resumed>) = 4 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... openat resumed>) = 3 [pid 4984] close(3 [pid 4983] close(10 [pid 3503] close(3 [pid 3501] fstat(3, [pid 3500] close(3 [pid 3499] fstat(3, [pid 4984] <... close resumed>) = 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4984] read(200, [pid 4983] close(11 [pid 3503] rmdir("./243" [pid 3501] getdents64(3, [pid 3500] rmdir("./233" [pid 3499] getdents64(3, [pid 4984] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4984] symlink("/dev/binderfs", "./binderfs" [pid 4983] close(12 [pid 3503] mkdir("./244", 0777 [pid 3501] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] mkdir("./234", 0777 [pid 3499] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4984] <... symlink resumed>) = 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] lstat("./236/binderfs", [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./228/binderfs", [pid 4984] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4983] close(13 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4984] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4983] close(14 [pid 3501] unlink("./236/binderfs" [pid 4984] <... mmap resumed>) = 0x20002000 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4986 attached ./strace-static-x86_64: Process 4985 attached [pid 4984] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4983] close(15 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4986] set_robust_list(0x5555573195e0, 24 [pid 4985] set_robust_list(0x5555573195e0, 24 [pid 4984] <... mmap resumed>) = 0x20000000 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 246 [pid 3501] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 236 [pid 3499] unlink("./228/binderfs" [pid 4986] <... set_robust_list resumed>) = 0 [pid 4985] <... set_robust_list resumed>) = 0 [pid 4984] close(3 [pid 4983] close(16 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 4986] chdir("./244" [pid 4985] chdir("./234" [pid 4984] <... close resumed>) = 0 [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./236/cgroup.net", [pid 3499] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] <... chdir resumed>) = 0 [pid 4985] <... chdir resumed>) = 0 [pid 4984] close(4 [pid 4983] close(17 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./236/cgroup.net" [pid 3499] lstat("./228/cgroup.net", [pid 4986] <... prctl resumed>) = 0 [pid 4985] <... prctl resumed>) = 0 [pid 4984] close(5 [pid 4983] close(18 [pid 3501] <... unlink resumed>) = 0 [pid 4986] setpgid(0, 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4986] <... setpgid resumed>) = 0 [pid 4985] setpgid(0, 0 [pid 4984] close(6 [pid 4983] close(19 [pid 3501] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4985] <... setpgid resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./228/cgroup.net" [pid 4985] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4984] close(7 [pid 4983] close(20 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 4986] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4985] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4984] close(8 [pid 4983] close(21 [pid 3501] lstat("./236/cgroup.cpu", [pid 3499] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4985] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4984] close(9 [pid 4983] close(22 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] close(10 [pid 4983] close(23 [pid 4986] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4985] <... symlink resumed>) = 0 [pid 4984] close(11 [pid 4983] close(24 [pid 3501] unlink("./236/cgroup.cpu" [pid 3499] lstat("./228/cgroup.cpu", [pid 4986] <... openat resumed>) = 3 [pid 4985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... openat resumed>) = 3 [pid 4984] close(12 [pid 4983] close(25 [pid 3501] <... unlink resumed>) = 0 [pid 4986] write(3, "1000", 4 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4985] write(3, "1000", 4 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] <... write resumed>) = 4 [pid 4985] <... write resumed>) = 4 [pid 4984] close(13 [pid 4983] close(26 [pid 3499] unlink("./228/cgroup.cpu" [pid 4986] close(3 [pid 4985] close(3 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] <... close resumed>) = 0 [pid 4985] <... close resumed>) = 0 [pid 4984] close(14 [pid 4983] close(27 [pid 3501] lstat("./236/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 4986] read(200, [pid 4985] read(200, [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4985] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4984] close(15 [pid 4983] close(28 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] symlink("/dev/binderfs", "./binderfs" [pid 4985] symlink("/dev/binderfs", "./binderfs" [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] close(16 [pid 4983] close(29 [pid 3501] unlink("./236/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... symlink resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4985] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4984] close(17 [pid 4983] exit_group(0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./228/cgroup", [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4983] <... exit_group resumed>) = ? [pid 4986] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4985] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4984] close(18 [pid 4983] +++ exited with 0 +++ [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4986] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4985] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4984] close(19 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./228/cgroup" [pid 4986] <... mmap resumed>) = 0x20002000 [pid 4985] <... mmap resumed>) = 0x20002000 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 4986] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4985] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4984] close(20 [pid 3502] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4986] <... mmap resumed>) = 0x20000000 [pid 4985] <... mmap resumed>) = 0x20000000 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./236" [pid 4986] close(3 [pid 4985] close(3 [pid 4984] close(21 [pid 3502] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... rmdir resumed>) = 0 [pid 3499] getdents64(3, [pid 4986] <... close resumed>) = 0 [pid 4985] <... close resumed>) = 0 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 4986] close(4 [pid 4985] close(4 [pid 4984] close(22 [pid 3502] fstat(3, [pid 3501] mkdir("./237", 0777 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4986] close(5 [pid 4985] close(5 [pid 4984] close(23 [pid 3502] getdents64(3, [pid 3501] <... mkdir resumed>) = 0 [pid 3499] close(3 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... close resumed>) = 0 ./strace-static-x86_64: Process 4987 attached [pid 4986] close(6 [pid 4985] close(6 [pid 4984] close(24 [pid 3502] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./228" [pid 4987] set_robust_list(0x5555573195e0, 24 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 239 [pid 3499] <... rmdir resumed>) = 0 [pid 4987] <... set_robust_list resumed>) = 0 [pid 4986] close(7 [pid 4985] close(7 [pid 4984] close(25 [pid 3502] lstat("./241/binderfs", [pid 3499] mkdir("./229", 0777 [pid 4987] chdir("./237" [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 4987] <... chdir resumed>) = 0 [pid 4986] close(8 [pid 4985] close(8 [pid 4984] close(26 [pid 3502] unlink("./241/binderfs" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4988 attached [pid 4987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 4988] set_robust_list(0x5555573195e0, 24 [pid 4987] <... prctl resumed>) = 0 [pid 4986] close(9 [pid 4985] close(9 [pid 4984] close(27 [pid 3502] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 231 [pid 4988] <... set_robust_list resumed>) = 0 [pid 4987] setpgid(0, 0 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4988] chdir("./229" [pid 4987] <... setpgid resumed>) = 0 [pid 4986] close(10 [pid 4985] close(10 [pid 4984] close(28 [pid 3502] lstat("./241/cgroup.net", [pid 4988] <... chdir resumed>) = 0 [pid 4987] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4987] <... symlink resumed>) = 0 [pid 4986] close(11 [pid 4985] close(11 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4988] <... prctl resumed>) = 0 [pid 4987] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] close(29 [pid 4988] setpgid(0, 0 [pid 4987] <... symlink resumed>) = 0 [pid 4986] close(12 [pid 4985] close(12 [pid 4984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./241/cgroup.net" [pid 4988] <... setpgid resumed>) = 0 [pid 4987] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] exit_group(0 [pid 4988] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4987] <... symlink resumed>) = 0 [pid 4986] close(13 [pid 4985] close(13 [pid 3502] <... unlink resumed>) = 0 [pid 4984] <... exit_group resumed>) = ? [pid 4988] <... symlink resumed>) = 0 [pid 4987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4987] <... openat resumed>) = 3 [pid 4986] close(14 [pid 4985] close(14 [pid 4987] write(3, "1000", 4 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4988] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4987] <... write resumed>) = 4 [pid 4986] close(15 [pid 4985] close(15 [pid 3502] lstat("./241/cgroup.cpu", [pid 4988] <... symlink resumed>) = 0 [pid 4987] close(3 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4984] +++ exited with 0 +++ [pid 4988] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4987] <... close resumed>) = 0 [pid 4986] close(16 [pid 4985] close(16 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4988] <... symlink resumed>) = 0 [pid 4987] read(200, [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./241/cgroup.cpu" [pid 4988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4987] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4986] close(17 [pid 4985] close(17 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4988] <... openat resumed>) = 3 [pid 4987] symlink("/dev/binderfs", "./binderfs" [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 4988] write(3, "1000", 4 [pid 4987] <... symlink resumed>) = 0 [pid 4986] close(18 [pid 4985] close(18 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4988] <... write resumed>) = 4 [pid 4987] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4988] close(3 [pid 4987] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4986] close(19 [pid 4985] close(19 [pid 3502] lstat("./241/cgroup", [pid 4988] <... close resumed>) = 0 [pid 4987] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4988] read(200, [pid 4987] <... mmap resumed>) = 0x20002000 [pid 4986] close(20 [pid 4985] close(20 [pid 3504] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4988] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4987] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./241/cgroup" [pid 4988] symlink("/dev/binderfs", "./binderfs" [pid 4987] <... mmap resumed>) = 0x20000000 [pid 4986] close(21 [pid 4985] close(21 [pid 3504] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4988] <... symlink resumed>) = 0 [pid 4987] close(3 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 4988] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4987] <... close resumed>) = 0 [pid 4986] close(22 [pid 4985] close(22 [pid 3504] <... openat resumed>) = 3 [pid 3502] getdents64(3, [pid 4988] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4987] close(4 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4988] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(23 [pid 4985] close(23 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] close(3 [pid 4988] <... mmap resumed>) = 0x20002000 [pid 3504] getdents64(3, [pid 3502] <... close resumed>) = 0 [pid 4988] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4987] close(5 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] rmdir("./241" [pid 4988] <... mmap resumed>) = 0x20000000 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(24 [pid 4985] close(24 [pid 3504] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 4988] close(3 [pid 4987] close(6 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] mkdir("./242", 0777 [pid 4988] <... close resumed>) = 0 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(25 [pid 3504] lstat("./245/binderfs", [pid 3502] <... mkdir resumed>) = 0 [pid 4988] close(4 [pid 4987] close(7 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4989 attached [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] close(25 [pid 3504] unlink("./245/binderfs" [pid 4989] set_robust_list(0x5555573195e0, 24 [pid 4988] close(5 [pid 4987] close(8 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 244 [pid 4989] <... set_robust_list resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4986] close(26 [pid 4989] chdir("./242" [pid 4988] close(6 [pid 4987] close(9 [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] <... chdir resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./245/cgroup.net", [pid 4989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4988] close(7 [pid 4987] close(10 [pid 4986] close(27 [pid 4985] close(26 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4989] <... prctl resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./245/cgroup.net" [pid 4989] setpgid(0, 0 [pid 4988] close(8 [pid 4987] close(11 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 4989] <... setpgid resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(28 [pid 4985] close(27 [pid 3504] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4988] close(9 [pid 4987] close(12 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./245/cgroup.cpu", [pid 4989] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4988] close(10 [pid 4987] close(13 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4986] close(29 [pid 4985] close(28 [pid 3504] unlink("./245/cgroup.cpu" [pid 4989] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4988] close(11 [pid 4987] close(14 [pid 4986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4988] close(12 [pid 4987] close(15 [pid 4986] exit_group(0 [pid 4985] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] <... openat resumed>) = 3 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./245/cgroup", [pid 4986] <... exit_group resumed>) = ? [pid 4989] write(3, "1000", 4 [pid 4988] close(13 [pid 4987] close(16 [pid 4985] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4989] <... write resumed>) = 4 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./245/cgroup" [pid 4989] close(3 [pid 4988] close(14 [pid 4987] close(17 [pid 3504] <... unlink resumed>) = 0 [pid 4989] <... close resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 4989] read(200, [pid 4988] close(15 [pid 4987] close(18 [pid 4985] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4986] +++ exited with 0 +++ [pid 4989] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 4989] symlink("/dev/binderfs", "./binderfs" [pid 4988] close(16 [pid 4987] close(19 [pid 3504] <... close resumed>) = 0 [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./245" [pid 4989] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4988] close(17 [pid 4987] close(20 [pid 4985] +++ exited with 0 +++ [pid 3504] <... rmdir resumed>) = 0 [pid 4989] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./246", 0777 [pid 4989] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4988] close(18 [pid 4987] close(21 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4989] <... mmap resumed>) = 0x20002000 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4990 attached [pid 4989] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4988] close(19 [pid 4987] close(22 [pid 3503] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4989] <... mmap resumed>) = 0x20000000 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 248 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] set_robust_list(0x5555573195e0, 24 [pid 4989] close(3 [pid 3503] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4990] <... set_robust_list resumed>) = 0 [pid 4989] <... close resumed>) = 0 [pid 4988] close(20 [pid 4987] close(23 [pid 3503] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] chdir("./246" [pid 4989] close(4 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3500] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4990] <... chdir resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4988] close(21 [pid 4990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4989] close(5 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(24 [pid 3503] getdents64(3, [pid 3500] <... openat resumed>) = 3 [pid 4990] <... prctl resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(22 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4990] setpgid(0, 0 [pid 4989] close(6 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(25 [pid 3503] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 4990] <... setpgid resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(23 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4990] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4989] close(7 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(26 [pid 3503] lstat("./244/binderfs", [pid 3500] getdents64(3, [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(24 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4989] close(8 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(27 [pid 3500] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(25 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] close(9 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(28 [pid 3500] lstat("./234/binderfs", [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(26 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4990] <... symlink resumed>) = 0 [pid 4990] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4989] close(10 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] close(29 [pid 3503] unlink("./244/binderfs" [pid 3500] unlink("./234/binderfs" [pid 4990] <... symlink resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(27 [pid 4987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 4990] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4989] close(11 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 4990] <... symlink resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] close(28 [pid 4987] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] lstat("./244/cgroup.net", [pid 3500] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4990] <... openat resumed>) = 3 [pid 4989] close(12 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4987] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4990] write(3, "1000", 4 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./244/cgroup.net" [pid 4988] close(29 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] <... write resumed>) = 4 [pid 3503] <... unlink resumed>) = 0 [pid 4990] close(3 [pid 3503] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4990] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] read(200, [pid 4987] +++ exited with 0 +++ [pid 3503] lstat("./244/cgroup.cpu", [pid 4990] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4989] close(13 [pid 4988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./234/cgroup.net", [pid 4990] symlink("/dev/binderfs", "./binderfs" [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./244/cgroup.cpu" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4990] <... symlink resumed>) = 0 [pid 4988] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4990] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4989] close(14 [pid 4988] <... exit_group resumed>) = ? [pid 3503] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... restart_syscall resumed>) = 0 [pid 4990] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./234/cgroup.net" [pid 4990] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4989] close(15 [pid 3503] lstat("./244/cgroup", [pid 4990] <... mmap resumed>) = 0x20002000 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4989] close(16 [pid 3503] unlink("./244/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4990] <... mmap resumed>) = 0x20000000 [pid 3503] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4990] close(3 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4988] +++ exited with 0 +++ [pid 3503] getdents64(3, [pid 3501] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] <... close resumed>) = 0 [pid 4989] close(17 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] fstat(3, [pid 4990] close(4 [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] lstat("./234/cgroup.cpu", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4990] close(5 [pid 4989] close(18 [pid 3503] rmdir("./244" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3501] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./234/cgroup.cpu" [pid 3499] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4990] close(6 [pid 4989] close(19 [pid 3503] mkdir("./245", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3501] lstat("./237/binderfs", [pid 3499] fstat(3, [pid 4990] close(7 [pid 4989] close(20 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 4991 attached [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./237/binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 4991] set_robust_list(0x5555573195e0, 24 [pid 4990] close(8 [pid 4989] close(21 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 247 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./234/cgroup", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4991] <... set_robust_list resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4991] chdir("./245" [pid 4990] close(9 [pid 4989] close(22 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./234/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] <... chdir resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./237/cgroup.net", [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./229/binderfs", [pid 4991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4990] close(10 [pid 4989] close(23 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4991] <... prctl resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./237/cgroup.net" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./229/binderfs" [pid 4991] setpgid(0, 0 [pid 4990] close(11 [pid 4989] close(24 [pid 3501] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 4991] <... setpgid resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 3499] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4991] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4990] close(12 [pid 4989] close(25 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./234" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./237/cgroup.cpu", [pid 3499] lstat("./229/cgroup.net", [pid 4991] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4990] close(13 [pid 4989] close(26 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./237/cgroup.cpu" [pid 3500] mkdir("./235", 0777 [pid 3499] unlink("./229/cgroup.net" [pid 4991] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4990] close(14 [pid 4989] close(27 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... mkdir resumed>) = 0 [pid 3499] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4990] close(15 [pid 4989] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] <... openat resumed>) = 3 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./237/cgroup", [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./229/cgroup.cpu", [pid 4991] write(3, "1000", 4 [pid 4990] close(16 [pid 4989] close(29 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4991] <... write resumed>) = 4 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./237/cgroup" [pid 3499] unlink("./229/cgroup.cpu"./strace-static-x86_64: Process 4992 attached [pid 4991] close(3 [pid 4990] close(17 [pid 4989] exit_group(0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4992] set_robust_list(0x5555573195e0, 24 [pid 4991] <... close resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4989] <... exit_group resumed>) = ? [pid 3501] getdents64(3, [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 237 [pid 3499] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4992] <... set_robust_list resumed>) = 0 [pid 4991] read(200, [pid 4990] close(18 [pid 4989] +++ exited with 0 +++ [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4992] chdir("./235" [pid 4991] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 3499] lstat("./229/cgroup", [pid 4992] <... chdir resumed>) = 0 [pid 4991] symlink("/dev/binderfs", "./binderfs" [pid 4990] close(19 [pid 3501] <... close resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] rmdir("./237" [pid 3499] unlink("./229/cgroup" [pid 4992] <... prctl resumed>) = 0 [pid 4991] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4990] close(20 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4992] setpgid(0, 0 [pid 4991] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] mkdir("./238", 0777 [pid 3499] getdents64(3, [pid 4992] <... setpgid resumed>) = 0 [pid 4991] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4990] close(21 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4992] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4991] <... mmap resumed>) = 0x20002000 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] close(3./strace-static-x86_64: Process 4993 attached [pid 4992] <... symlink resumed>) = 0 [pid 4991] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4990] close(22 [pid 3499] <... close resumed>) = 0 [pid 4993] set_robust_list(0x5555573195e0, 24 [pid 4992] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4991] <... mmap resumed>) = 0x20000000 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 240 [pid 3499] rmdir("./229" [pid 4993] <... set_robust_list resumed>) = 0 [pid 4992] <... symlink resumed>) = 0 [pid 4991] close(3 [pid 4990] close(23 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... rmdir resumed>) = 0 [pid 4993] chdir("./238" [pid 4992] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4991] <... close resumed>) = 0 [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./230", 0777 [pid 4993] <... chdir resumed>) = 0 [pid 4992] <... symlink resumed>) = 0 [pid 4991] close(4 [pid 4990] close(24 [pid 3502] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... mkdir resumed>) = 0 [pid 4993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4994 attached [pid 4993] <... prctl resumed>) = 0 [pid 4992] <... openat resumed>) = 3 [pid 4991] close(5 [pid 4990] close(25 [pid 3502] <... openat resumed>) = 3 [pid 4994] set_robust_list(0x5555573195e0, 24 [pid 4993] setpgid(0, 0 [pid 4992] write(3, "1000", 4 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 232 [pid 4994] <... set_robust_list resumed>) = 0 [pid 4993] <... setpgid resumed>) = 0 [pid 4992] <... write resumed>) = 4 [pid 4991] close(6 [pid 4990] close(26 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4994] chdir("./230" [pid 4993] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4992] close(3 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4994] <... chdir resumed>) = 0 [pid 4993] <... symlink resumed>) = 0 [pid 4992] <... close resumed>) = 0 [pid 4991] close(7 [pid 4990] close(27 [pid 3502] getdents64(3, [pid 4994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4993] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4992] read(200, [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4994] <... prctl resumed>) = 0 [pid 4993] <... symlink resumed>) = 0 [pid 4992] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4991] close(8 [pid 4990] close(28 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4994] setpgid(0, 0 [pid 4993] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4992] symlink("/dev/binderfs", "./binderfs" [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4994] <... setpgid resumed>) = 0 [pid 4993] <... symlink resumed>) = 0 [pid 4992] <... symlink resumed>) = 0 [pid 4991] close(9 [pid 4990] close(29 [pid 4994] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4992] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4994] <... symlink resumed>) = 0 [pid 4993] <... openat resumed>) = 3 [pid 4992] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4991] close(10 [pid 4990] exit_group(0 [pid 4994] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4993] write(3, "1000", 4 [pid 4992] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] <... exit_group resumed>) = ? [pid 4994] <... symlink resumed>) = 0 [pid 4993] <... write resumed>) = 4 [pid 4992] <... mmap resumed>) = 0x20002000 [pid 4991] close(11 [pid 3502] lstat("./242/binderfs", [pid 4994] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4993] close(3 [pid 4992] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4990] +++ exited with 0 +++ [pid 4994] <... symlink resumed>) = 0 [pid 4993] <... close resumed>) = 0 [pid 4992] <... mmap resumed>) = 0x20000000 [pid 4991] close(12 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4993] read(200, [pid 4992] close(3 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] unlink("./242/binderfs" [pid 4994] <... openat resumed>) = 3 [pid 4993] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4992] <... close resumed>) = 0 [pid 4991] close(13 [pid 3504] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4994] write(3, "1000", 4 [pid 4993] symlink("/dev/binderfs", "./binderfs" [pid 4992] close(4 [pid 3502] <... unlink resumed>) = 0 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4994] <... write resumed>) = 4 [pid 4993] <... symlink resumed>) = 0 [pid 3502] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4994] close(3 [pid 4993] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] close(14 [pid 3504] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4994] <... close resumed>) = 0 [pid 4993] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4992] close(5 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] lstat("./242/cgroup.net", [pid 4994] read(200, [pid 4993] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] close(15 [pid 3504] fstat(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4994] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4993] <... mmap resumed>) = 0x20002000 [pid 4992] close(6 [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] unlink("./242/cgroup.net") = 0 [pid 4994] symlink("/dev/binderfs", "./binderfs" [pid 4991] close(16 [pid 3502] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4994] <... symlink resumed>) = 0 [pid 4993] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4994] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4993] <... mmap resumed>) = 0x20000000 [pid 3502] lstat("./242/cgroup.cpu", [pid 4994] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4993] close(3 [pid 4992] close(7 [pid 4991] close(17 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4994] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4993] <... close resumed>) = 0 [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./242/cgroup.cpu" [pid 4994] <... mmap resumed>) = 0x20002000 [pid 4993] close(4 [pid 4992] close(8 [pid 4991] close(18 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4994] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./246/binderfs", [pid 3502] <... unlink resumed>) = 0 [pid 4994] <... mmap resumed>) = 0x20000000 [pid 4993] close(5 [pid 4992] close(9 [pid 4991] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4994] close(3 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./246/binderfs" [pid 4994] <... close resumed>) = 0 [pid 4993] close(6 [pid 4992] close(10 [pid 4991] close(20 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4994] close(4 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./242/cgroup", [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(7 [pid 4992] close(11 [pid 4991] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4994] close(5 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./246/cgroup.net", [pid 3502] unlink("./242/cgroup" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(8 [pid 4992] close(12 [pid 4991] close(22 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 4994] close(6 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./246/cgroup.net" [pid 3502] getdents64(3, [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(9 [pid 4992] close(13 [pid 4991] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4994] close(7 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(10 [pid 4992] close(14 [pid 4991] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 4994] close(8 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./246/cgroup.cpu", [pid 3502] rmdir("./242" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(11 [pid 4992] close(15 [pid 4991] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4994] close(9 [pid 3502] <... rmdir resumed>) = 0 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./246/cgroup.cpu" [pid 3502] mkdir("./243", 0777 [pid 4994] close(10 [pid 4993] close(12 [pid 4992] close(16 [pid 4991] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4994] close(11 [pid 3504] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4993] close(13 [pid 4992] close(17 [pid 4991] close(27 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4995 attached [pid 4994] close(12 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./246/cgroup", [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 245 [pid 4995] set_robust_list(0x5555573195e0, 24 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(14 [pid 4992] close(18 [pid 4991] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4995] <... set_robust_list resumed>) = 0 [pid 4994] close(13 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./246/cgroup" [pid 4995] chdir("./243" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(15 [pid 4992] close(19 [pid 4991] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 4995] <... chdir resumed>) = 0 [pid 4994] close(14 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 4995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(16 [pid 4992] close(20 [pid 4991] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4995] <... prctl resumed>) = 0 [pid 4994] close(15 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4991] <... exit_group resumed>) = ? [pid 3504] close(3 [pid 4995] setpgid(0, 0 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(17 [pid 4992] close(21 [pid 4995] <... setpgid resumed>) = 0 [pid 4994] close(16 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 4991] +++ exited with 0 +++ [pid 4995] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(18 [pid 4992] close(22 [pid 3504] rmdir("./246" [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4995] <... symlink resumed>) = 0 [pid 4994] close(17 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 4995] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(19 [pid 4992] close(23 [pid 3504] mkdir("./247", 0777 [pid 4995] <... symlink resumed>) = 0 [pid 4994] close(18 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 4995] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(20 [pid 4992] close(24 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4995] <... symlink resumed>) = 0 [pid 4994] close(19 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(21 [pid 4992] close(25 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4996 attached [pid 4995] <... openat resumed>) = 3 [pid 4994] close(20 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 249 [pid 3503] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] set_robust_list(0x5555573195e0, 24 [pid 4995] write(3, "1000", 4 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(22 [pid 4992] close(26 [pid 3503] <... openat resumed>) = 3 [pid 4996] <... set_robust_list resumed>) = 0 [pid 4995] <... write resumed>) = 4 [pid 4994] close(21 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 4996] chdir("./247" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4996] <... chdir resumed>) = 0 [pid 4995] close(3 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(23 [pid 4992] close(27 [pid 3503] getdents64(3, [pid 4996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4995] <... close resumed>) = 0 [pid 4994] close(22 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4996] <... prctl resumed>) = 0 [pid 4995] read(200, [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(24 [pid 4992] close(28 [pid 3503] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] setpgid(0, 0 [pid 4995] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4994] close(23 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... setpgid resumed>) = 0 [pid 4995] symlink("/dev/binderfs", "./binderfs" [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(25 [pid 4992] close(29 [pid 3503] lstat("./245/binderfs", [pid 4996] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4995] <... symlink resumed>) = 0 [pid 4994] close(24 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... symlink resumed>) = 0 [pid 4995] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(26 [pid 4992] exit_group(0 [pid 3503] unlink("./245/binderfs" [pid 4996] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4995] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4994] close(25 [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 4992] <... exit_group resumed>) = ? [pid 4996] <... symlink resumed>) = 0 [pid 4995] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] close(27 [pid 3503] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4994] close(26 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... symlink resumed>) = 0 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./245/cgroup.net", [pid 4995] <... mmap resumed>) = 0x20002000 [pid 4996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4994] close(27 [pid 4993] close(28 [pid 4992] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4996] <... openat resumed>) = 3 [pid 4995] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./245/cgroup.net" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4996] write(3, "1000", 4 [pid 4995] <... mmap resumed>) = 0x20000000 [pid 4994] close(28 [pid 4993] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 4996] <... write resumed>) = 4 [pid 4995] close(3 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 4995] <... close resumed>) = 0 [pid 4994] close(29 [pid 4993] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... close resumed>) = 0 [pid 4995] close(4 [pid 4994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4993] <... exit_group resumed>) = ? [pid 3503] lstat("./245/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] read(200, [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4994] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4994] <... exit_group resumed>) = ? [pid 3503] unlink("./245/cgroup.cpu" [pid 3500] <... openat resumed>) = 3 [pid 4996] symlink("/dev/binderfs", "./binderfs" [pid 4995] close(5 [pid 4993] +++ exited with 0 +++ [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] close(6) = -1 EBADF (Bad file descriptor) [pid 4996] <... symlink resumed>) = 0 [pid 4995] close(7 [pid 4994] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 4996] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4996] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 4996] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4995] close(8 [pid 3503] lstat("./245/cgroup", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4996] <... mmap resumed>) = 0x20002000 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4995] close(9 [pid 3503] unlink("./245/cgroup" [pid 3501] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... mmap resumed>) = 0x20000000 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 3500] lstat("./235/binderfs", [pid 3499] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] close(3 [pid 4995] close(10 [pid 3503] getdents64(3, [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... openat resumed>) = 3 [pid 4996] <... close resumed>) = 0 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] getdents64(3, [pid 3500] unlink("./235/binderfs" [pid 3499] fstat(3, [pid 4996] close(4 [pid 4995] close(11 [pid 3503] close(3 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4996] close(5 [pid 4995] close(12 [pid 3503] <... close resumed>) = 0 [pid 3501] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./245" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 4996] close(6 [pid 4995] close(13 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] lstat("./238/binderfs", [pid 3500] lstat("./235/cgroup.net", [pid 3499] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4995] close(14 [pid 3503] mkdir("./246", 0777 [pid 3499] lstat("./230/binderfs", [pid 4996] close(7 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] close(15 [pid 3503] <... mkdir resumed>) = 0 [pid 3499] unlink("./230/binderfs" [pid 4996] close(8 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] unlink("./238/binderfs" [pid 3500] unlink("./235/cgroup.net" [pid 3499] <... unlink resumed>) = 0 [pid 4995] close(16 [pid 3499] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4995] close(17 [pid 3499] lstat("./230/cgroup.net", [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4995] close(18 [pid 3499] unlink("./230/cgroup.net"./strace-static-x86_64: Process 4997 attached [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4997] set_robust_list(0x5555573195e0, 24 [pid 4996] close(9 [pid 4995] close(19 [pid 3499] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... set_robust_list resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 248 [pid 3501] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] chdir("./246" [pid 4996] close(10 [pid 4995] close(20 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./230/cgroup.cpu", [pid 4997] <... chdir resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./238/cgroup.net", [pid 3500] lstat("./235/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] close(11 [pid 4995] close(21 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./230/cgroup.cpu" [pid 4997] <... prctl resumed>) = 0 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 4997] setpgid(0, 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] close(22 [pid 3501] unlink("./238/cgroup.net" [pid 3499] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... setpgid resumed>) = 0 [pid 4996] close(12 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./235/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4995] close(23 [pid 3499] lstat("./230/cgroup", [pid 4997] <... symlink resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4997] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4996] close(13 [pid 4995] close(24 [pid 3501] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] unlink("./230/cgroup" [pid 4997] <... symlink resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 4997] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4996] close(14 [pid 4995] close(25 [pid 3499] getdents64(3, [pid 4997] <... symlink resumed>) = 0 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./238/cgroup.cpu", [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4995] close(26 [pid 3499] close(3 [pid 4997] <... openat resumed>) = 3 [pid 4996] close(15 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./235/cgroup", [pid 3499] <... close resumed>) = 0 [pid 4997] write(3, "1000", 4 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] close(27 [pid 3501] unlink("./238/cgroup.cpu" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] rmdir("./230" [pid 4997] <... write resumed>) = 4 [pid 4996] close(16 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./235/cgroup" [pid 3499] <... rmdir resumed>) = 0 [pid 4997] close(3 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] close(28 [pid 3501] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] mkdir("./231", 0777 [pid 4997] <... close resumed>) = 0 [pid 4996] close(17 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 4997] read(200, [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4996] close(18 [pid 4995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./238/cgroup", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4998 attached [pid 4997] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] exit_group(0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] close(3 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 233 [pid 4998] set_robust_list(0x5555573195e0, 24 [pid 4997] <... symlink resumed>) = 0 [pid 4996] close(19 [pid 4995] <... exit_group resumed>) = ? [pid 3501] unlink("./238/cgroup" [pid 3500] <... close resumed>) = 0 [pid 4998] <... set_robust_list resumed>) = 0 [pid 4997] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4995] +++ exited with 0 +++ [pid 3501] <... unlink resumed>) = 0 [pid 3500] rmdir("./235" [pid 4998] chdir("./231" [pid 4997] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4996] close(20 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] getdents64(3, [pid 3500] <... rmdir resumed>) = 0 [pid 4998] <... chdir resumed>) = 0 [pid 4997] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] mkdir("./236", 0777 [pid 4998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... mmap resumed>) = 0x20002000 [pid 4996] close(21 [pid 3501] close(3 [pid 3500] <... mkdir resumed>) = 0 [pid 4998] <... prctl resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4999 attached [pid 4998] setpgid(0, 0 [pid 4997] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4996] close(22 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./238" [pid 4999] set_robust_list(0x5555573195e0, 24 [pid 4998] <... setpgid resumed>) = 0 [pid 4997] <... mmap resumed>) = 0x20000000 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 238 [pid 4999] <... set_robust_list resumed>) = 0 [pid 4998] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4997] close(3 [pid 4996] close(23 [pid 3502] <... openat resumed>) = 3 [pid 3501] mkdir("./239", 0777 [pid 4999] chdir("./236" [pid 4998] <... symlink resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3501] <... mkdir resumed>) = 0 [pid 4999] <... chdir resumed>) = 0 [pid 4998] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4996] close(24 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5000 attached [pid 4999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] <... symlink resumed>) = 0 [pid 4997] close(4 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5000] set_robust_list(0x5555573195e0, 24 [pid 4999] <... prctl resumed>) = 0 [pid 4998] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4996] close(25 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 241 [pid 5000] <... set_robust_list resumed>) = 0 [pid 4999] setpgid(0, 0 [pid 4998] <... symlink resumed>) = 0 [pid 4997] close(5 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] chdir("./239" [pid 4999] <... setpgid resumed>) = 0 [pid 4998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4996] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... chdir resumed>) = 0 [pid 4999] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4998] <... openat resumed>) = 3 [pid 4997] close(6 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./243/binderfs", [pid 5000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4999] <... symlink resumed>) = 0 [pid 4998] write(3, "1000", 4 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4996] close(27 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... prctl resumed>) = 0 [pid 4999] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4998] <... write resumed>) = 4 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./243/binderfs" [pid 5000] setpgid(0, 0 [pid 4998] close(3 [pid 4996] close(28 [pid 3502] <... unlink resumed>) = 0 [pid 5000] <... setpgid resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4998] read(200, [pid 4996] close(29 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... symlink resumed>) = 0 [pid 4998] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./243/cgroup.net", [pid 5000] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4999] <... symlink resumed>) = 0 [pid 4998] symlink("/dev/binderfs", "./binderfs" [pid 4997] close(7 [pid 4996] exit_group(0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5000] <... symlink resumed>) = 0 [pid 4999] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4998] <... symlink resumed>) = 0 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4996] <... exit_group resumed>) = ? [pid 3502] unlink("./243/cgroup.net" [pid 5000] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4999] <... symlink resumed>) = 0 [pid 4998] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4997] close(8 [pid 3502] <... unlink resumed>) = 0 [pid 5000] <... symlink resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4996] +++ exited with 0 +++ [pid 3502] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4999] <... openat resumed>) = 3 [pid 4997] close(9 [pid 5000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4999] write(3, "1000", 4 [pid 4998] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 4999] <... write resumed>) = 4 [pid 4998] <... mmap resumed>) = 0x20002000 [pid 4997] close(10 [pid 3502] lstat("./243/cgroup.cpu", [pid 5000] write(3, "1000", 4 [pid 4998] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5000] <... write resumed>) = 4 [pid 4999] close(3 [pid 4998] <... mmap resumed>) = 0x20000000 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] unlink("./243/cgroup.cpu" [pid 5000] close(3 [pid 4999] <... close resumed>) = 0 [pid 4998] close(3 [pid 4997] close(11 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4999] read(200, [pid 4998] <... close resumed>) = 0 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] read(200, [pid 4999] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4998] close(4 [pid 4997] close(12 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./243/cgroup", [pid 5000] symlink("/dev/binderfs", "./binderfs" [pid 4999] <... symlink resumed>) = 0 [pid 4998] close(5 [pid 4997] close(13 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5000] <... symlink resumed>) = 0 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] unlink("./243/cgroup" [pid 5000] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 4999] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4998] close(6 [pid 4997] close(14 [pid 3504] <... openat resumed>) = 3 [pid 3502] <... unlink resumed>) = 0 [pid 5000] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 4999] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] getdents64(3, [pid 5000] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 4999] <... mmap resumed>) = 0x20002000 [pid 4998] close(7 [pid 4997] close(15 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5000] <... mmap resumed>) = 0x20002000 [pid 4999] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... mmap resumed>) = 0x20000000 [pid 4997] close(16 [pid 3504] getdents64(3, [pid 3502] close(3 [pid 4998] close(8 [pid 5000] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 4999] close(3 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5000] <... mmap resumed>) = 0x20000000 [pid 4999] <... close resumed>) = 0 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... close resumed>) = 0 [pid 5000] close(3 [pid 4999] close(4 [pid 4998] close(9 [pid 4997] close(17 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./243" [pid 5000] <... close resumed>) = 0 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./247/binderfs", [pid 3502] <... rmdir resumed>) = 0 [pid 5000] close(4 [pid 4999] close(5 [pid 4998] close(10 [pid 4997] close(18 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] mkdir("./244", 0777 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./247/binderfs" [pid 3502] <... mkdir resumed>) = 0 [pid 5000] close(5 [pid 4999] close(6 [pid 4998] close(11 [pid 4997] close(19 [pid 3504] <... unlink resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5001 attached [pid 5000] close(6 [pid 4999] close(7 [pid 4998] close(12 [pid 4997] close(20 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] set_robust_list(0x5555573195e0, 24 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./247/cgroup.net", [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 246 [pid 5001] <... set_robust_list resumed>) = 0 [pid 5000] close(7 [pid 4999] close(8 [pid 4998] close(13 [pid 4997] close(21 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./247/cgroup.net" [pid 5001] chdir("./244" [pid 5000] close(8 [pid 4999] close(9 [pid 4998] close(14 [pid 4997] close(22 [pid 3504] <... unlink resumed>) = 0 [pid 5001] <... chdir resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] close(9 [pid 4999] close(10 [pid 4998] close(15 [pid 4997] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... prctl resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] setpgid(0, 0 [pid 5000] close(10 [pid 4999] close(11 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] close(24 [pid 3504] lstat("./247/cgroup.cpu", [pid 5001] <... setpgid resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(16 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5001] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5000] close(11 [pid 4999] close(12 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] close(25 [pid 3504] unlink("./247/cgroup.cpu" [pid 5001] <... symlink resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(17 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5001] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5000] close(12 [pid 4999] close(13 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] close(26 [pid 3504] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... symlink resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(18 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5000] close(13 [pid 4999] close(14 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... symlink resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(19 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./247/cgroup", [pid 5001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] close(14 [pid 4999] close(15 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] close(28 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(20 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5001] write(3, "1000", 4 [pid 5000] close(15 [pid 4999] close(16 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] close(29 [pid 3504] unlink("./247/cgroup" [pid 5001] <... write resumed>) = 4 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(21 [pid 4997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5001] close(3 [pid 5000] close(16 [pid 4999] close(17 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4997] exit_group(0 [pid 3504] getdents64(3, [pid 5001] <... close resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(22 [pid 4997] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5001] read(200, [pid 5000] close(17 [pid 4999] close(18 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 5001] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(23 [pid 3504] <... close resumed>) = 0 [pid 5001] symlink("/dev/binderfs", "./binderfs" [pid 5000] close(18 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./247" [pid 5001] <... symlink resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(24 [pid 4997] +++ exited with 0 +++ [pid 3504] <... rmdir resumed>) = 0 [pid 5001] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5000] close(19 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./248", 0777 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5001] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] close(19 [pid 4998] close(25 [pid 3504] <... mkdir resumed>) = 0 [pid 5001] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5000] close(20 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5002 attached [pid 5001] <... mmap resumed>) = 0x20002000 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] close(20 [pid 4998] close(26 [pid 5002] set_robust_list(0x5555573195e0, 24 [pid 5001] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5000] close(21 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 250 [pid 5002] <... set_robust_list resumed>) = 0 [pid 5001] <... mmap resumed>) = 0x20000000 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] close(21 [pid 4998] close(27 [pid 5002] chdir("./248" [pid 5001] close(3 [pid 5000] close(22 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... chdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] close(22 [pid 4998] close(28 [pid 5002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] close(4 [pid 5000] close(23 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... prctl resumed>) = 0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] close(29 [pid 5002] setpgid(0, 0 [pid 5001] close(5 [pid 5000] close(24 [pid 4999] close(23 [pid 4998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... setpgid resumed>) = 0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] exit_group(0 [pid 3503] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5001] close(6 [pid 5000] close(25 [pid 4999] close(24 [pid 4998] <... exit_group resumed>) = ? [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... symlink resumed>) = 0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4998] +++ exited with 0 +++ [pid 3503] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5001] close(7 [pid 5000] close(26 [pid 4999] close(25 [pid 5002] <... symlink resumed>) = 0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5001] close(8 [pid 5000] close(27 [pid 4999] close(26 [pid 3503] fstat(3, [pid 5002] <... symlink resumed>) = 0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] close(9 [pid 5000] close(28 [pid 4999] close(27 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5002] write(3, "1000", 4 [pid 4999] close(28 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... write resumed>) = 4 [pid 5001] close(10 [pid 5000] close(29 [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] close(3 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = 0 [pid 5001] close(11 [pid 5000] exit_group(0 [pid 5002] read(200, [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5000] <... exit_group resumed>) = ? [pid 4999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./246/binderfs", [pid 3499] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] close(12 [pid 5000] +++ exited with 0 +++ [pid 4999] exit_group(0 [pid 5002] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... openat resumed>) = 3 [pid 5002] <... symlink resumed>) = 0 [pid 5001] close(13 [pid 5002] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 5001] close(14 [pid 5002] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4999] +++ exited with 0 +++ [pid 3503] unlink("./246/binderfs" [pid 5002] <... mmap resumed>) = 0x20002000 [pid 5001] close(15 [pid 5002] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3503] <... unlink resumed>) = 0 [pid 3499] fstat(3, [pid 5002] <... mmap resumed>) = 0x20000000 [pid 5001] close(16 [pid 3503] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(3 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] close(17 [pid 3503] lstat("./246/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] close(4 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... openat resumed>) = 3 [pid 3499] getdents64(3, [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(18 [pid 3503] unlink("./246/cgroup.net" [pid 3501] <... openat resumed>) = 3 [pid 3500] fstat(3, [pid 5002] close(5 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(19 [pid 3500] getdents64(3, [pid 5002] close(6 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(20 [pid 3500] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(7 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(21 [pid 3500] lstat("./236/binderfs", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5002] close(8 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(22 [pid 3500] unlink("./236/binderfs" [pid 3499] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(9 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(23 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./231/binderfs", [pid 5002] close(10 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./246/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(24 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] lstat("./236/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] close(11 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./246/cgroup.cpu" [pid 3501] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./231/binderfs" [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(25 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./236/cgroup.net" [pid 5002] close(12 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./239/binderfs", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(26 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(13 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./246/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(27 [pid 3500] lstat("./236/cgroup.cpu", [pid 5002] close(14 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./239/binderfs" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(28 [pid 3500] unlink("./236/cgroup.cpu" [pid 5002] close(15 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] close(29 [pid 3503] unlink("./246/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./231/cgroup.net", [pid 5002] close(16 [pid 5001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] exit_group(0 [pid 3501] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./236/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5002] close(17 [pid 5001] <... exit_group resumed>) = ? [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./231/cgroup.net" [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5001] +++ exited with 0 +++ [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./239/cgroup.net", [pid 3500] unlink("./236/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5002] close(18 [pid 3503] close(3 [pid 3499] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] close(19 [pid 3503] rmdir("./246" [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] unlink("./239/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./231/cgroup.cpu", [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3500] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5002] close(20 [pid 3503] mkdir("./247", 0777 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./231/cgroup.cpu" [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(21 [pid 3500] close(3 [pid 3499] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5003 attached [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... close resumed>) = 0 [pid 5003] set_robust_list(0x5555573195e0, 24 [pid 5002] close(22 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 249 [pid 3501] lstat("./239/cgroup.cpu", [pid 3500] rmdir("./236" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... set_robust_list resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] lstat("./231/cgroup", [pid 5003] chdir("./247" [pid 5002] close(23 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./239/cgroup.cpu" [pid 3500] mkdir("./237", 0777 [pid 5003] <... chdir resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] close(24 [pid 3502] <... openat resumed>) = 3 [pid 3501] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5004 attached [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3499] unlink("./231/cgroup" [pid 5004] set_robust_list(0x5555573195e0, 24 [pid 5002] close(25 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 239 [pid 5004] <... set_robust_list resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5004] chdir("./237" [pid 5003] <... prctl resumed>) = 0 [pid 5002] close(26 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5004] <... chdir resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] setpgid(0, 0 [pid 5002] close(27 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./239/cgroup", [pid 3499] getdents64(3, [pid 5004] <... prctl resumed>) = 0 [pid 5003] <... setpgid resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./244/binderfs", [pid 5004] setpgid(0, 0 [pid 5003] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5002] close(28 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5004] <... setpgid resumed>) = 0 [pid 5003] <... symlink resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./244/binderfs" [pid 5004] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5003] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5002] close(29 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./239/cgroup" [pid 3499] close(3 [pid 5004] <... symlink resumed>) = 0 [pid 5003] <... symlink resumed>) = 0 [pid 5002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 5004] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5003] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5002] exit_group(0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 5004] <... symlink resumed>) = 0 [pid 5002] <... exit_group resumed>) = ? [pid 3502] lstat("./244/cgroup.net", [pid 5004] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5003] <... symlink resumed>) = 0 [pid 5002] +++ exited with 0 +++ [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] rmdir("./231" [pid 5004] <... symlink resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] unlink("./244/cgroup.net" [pid 3501] close(3 [pid 5004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] <... openat resumed>) = 3 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... close resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5003] write(3, "1000", 4 [pid 3502] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] write(3, "1000", 4 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./239" [pid 3499] mkdir("./232", 0777 [pid 5004] <... write resumed>) = 4 [pid 5003] <... write resumed>) = 4 [pid 3502] lstat("./244/cgroup.cpu", [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5004] close(3 [pid 5003] close(3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] mkdir("./240", 0777 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 3504] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./244/cgroup.cpu" [pid 3501] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5005 attached [pid 5004] read(200, [pid 5003] read(200, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 234 ./strace-static-x86_64: Process 5006 attached [pid 5005] set_robust_list(0x5555573195e0, 24 [pid 5004] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] set_robust_list(0x5555573195e0, 24 [pid 5005] <... set_robust_list resumed>) = 0 [pid 5004] symlink("/dev/binderfs", "./binderfs" [pid 5003] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 242 [pid 5006] <... set_robust_list resumed>) = 0 [pid 5005] chdir("./232" [pid 5004] <... symlink resumed>) = 0 [pid 5003] <... symlink resumed>) = 0 [pid 3504] fstat(3, [pid 3502] lstat("./244/cgroup", [pid 5006] chdir("./240" [pid 5005] <... chdir resumed>) = 0 [pid 5004] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5003] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5006] <... chdir resumed>) = 0 [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 5003] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... prctl resumed>) = 0 [pid 5004] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5003] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] getdents64(3, [pid 3502] unlink("./244/cgroup" [pid 5006] <... prctl resumed>) = 0 [pid 5005] setpgid(0, 0 [pid 5003] <... mmap resumed>) = 0x20002000 [pid 5006] setpgid(0, 0 [pid 5005] <... setpgid resumed>) = 0 [pid 5004] <... mmap resumed>) = 0x20002000 [pid 5003] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... unlink resumed>) = 0 [pid 5006] <... setpgid resumed>) = 0 [pid 5005] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5004] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5003] <... mmap resumed>) = 0x20000000 [pid 3504] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 5006] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5005] <... symlink resumed>) = 0 [pid 5003] close(3 [pid 5006] <... symlink resumed>) = 0 [pid 5005] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5004] <... mmap resumed>) = 0x20000000 [pid 5003] <... close resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5006] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5005] <... symlink resumed>) = 0 [pid 5003] close(4 [pid 5006] <... symlink resumed>) = 0 [pid 5005] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5004] close(3 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./248/binderfs", [pid 3502] close(3 [pid 5006] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5005] <... symlink resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] close(5 [pid 5006] <... symlink resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... close resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... openat resumed>) = 3 [pid 5004] close(4 [pid 5003] close(6 [pid 5006] <... openat resumed>) = 3 [pid 5005] write(3, "1000", 4 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./248/binderfs" [pid 3502] rmdir("./244" [pid 5006] write(3, "1000", 4 [pid 5005] <... write resumed>) = 4 [pid 5004] close(5 [pid 5003] close(7 [pid 5006] <... write resumed>) = 4 [pid 5005] close(3 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 5006] close(3 [pid 5005] <... close resumed>) = 0 [pid 5004] close(6 [pid 5003] close(8 [pid 3504] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./245", 0777 [pid 5006] <... close resumed>) = 0 [pid 5005] read(200, [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] read(200, [pid 5005] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] close(7 [pid 5003] close(9 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 5006] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./248/cgroup.net", [pid 5006] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... symlink resumed>) = 0 [pid 5004] close(8 [pid 5003] close(10 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... symlink resumed>) = 0 [pid 5005] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5006] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5005] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 5003] close(11./strace-static-x86_64: Process 5007 attached [pid 5006] <... io_uring_setup resumed>, sq_entries=2048, cq_entries=4096, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=65856}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 5005] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5004] close(9