./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 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./248/cgroup.net" [pid 5007] set_robust_list(0x5555573195e0, 24 [pid 5006] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5005] <... mmap resumed>) = 0x20002000 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(12 [pid 5007] <... set_robust_list resumed>) = 0 [pid 5006] <... mmap resumed>) = 0x20002000 [pid 5005] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5004] close(10 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 247 [pid 5007] chdir("./245" [pid 5006] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5005] <... mmap resumed>) = 0x20000000 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(13 [pid 5007] <... chdir resumed>) = 0 [pid 5006] <... mmap resumed>) = 0x20000000 [pid 5005] close(3 [pid 5004] close(11 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] close(3 [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(14 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... prctl resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] close(4 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] setpgid(0, 0 [pid 5006] close(4 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] close(12 [pid 5003] close(15 [pid 3504] lstat("./248/cgroup.cpu", [pid 5007] <... setpgid resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(5 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5006] close(5 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(16 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] <... symlink resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(6 [pid 5004] close(13 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5006] close(6 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(17 [pid 3504] unlink("./248/cgroup.cpu" [pid 5007] <... symlink resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(7 [pid 5004] close(14 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5006] close(7 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(18 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5007] <... symlink resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(8 [pid 5004] close(15 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] close(8 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(19 [pid 5007] <... openat resumed>) = 3 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(9 [pid 5004] close(16 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] write(3, "1000", 4 [pid 5006] close(9 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(20 [pid 3504] lstat("./248/cgroup", [pid 5007] <... write resumed>) = 4 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(10 [pid 5004] close(17 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(3 [pid 5006] close(10 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(21 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(11 [pid 5004] close(18 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./248/cgroup" [pid 5007] read(200, [pid 5006] close(11 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(22 [pid 5007] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(12 [pid 5004] close(19 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5007] symlink("/dev/binderfs", "./binderfs" [pid 5006] close(12 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(23 [pid 3504] getdents64(3, [pid 5007] <... symlink resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(13 [pid 5004] close(20 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5007] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5006] close(13 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(24 [pid 3504] close(3 [pid 5007] <... 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] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(14 [pid 5004] close(21 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 5007] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5006] close(14 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(25 [pid 3504] rmdir("./248" [pid 5007] <... mmap resumed>) = 0x20002000 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(15 [pid 5004] close(22 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5006] close(15 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(26 [pid 3504] <... rmdir resumed>) = 0 [pid 5007] <... mmap resumed>) = 0x20000000 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(16 [pid 5004] close(23 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(3 [pid 5006] close(16 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(27 [pid 3504] mkdir("./249", 0777 [pid 5007] <... close resumed>) = 0 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(17 [pid 5004] close(24 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(4 [pid 5006] close(17 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(28 [pid 3504] <... mkdir resumed>) = 0 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(18 [pid 5004] close(25 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(5 [pid 5006] close(18 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] close(29 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(19 [pid 5003] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5008 attached [pid 5007] close(6 [pid 5006] close(19 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] close(26 [pid 5003] exit_group(0 [pid 5008] set_robust_list(0x5555573195e0, 24 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(20 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... exit_group resumed>) = ? [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 251 [pid 5008] <... set_robust_list resumed>) = 0 [pid 5007] close(7 [pid 5006] close(20 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] close(27 [pid 5003] +++ exited with 0 +++ [pid 5008] chdir("./249" [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(21 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... chdir resumed>) = 0 [pid 5007] close(8 [pid 5006] close(21 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] close(28 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(22 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... prctl resumed>) = 0 [pid 5007] close(9 [pid 5006] close(22 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] close(29 [pid 5008] setpgid(0, 0 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(23 [pid 5004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... setpgid resumed>) = 0 [pid 5007] close(10 [pid 5006] close(23 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(24 [pid 5004] <... exit_group resumed>) = ? [pid 3503] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... symlink resumed>) = 0 [pid 5007] close(11 [pid 5006] close(24 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 5008] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(25 [pid 3503] fstat(3, [pid 5008] <... symlink resumed>) = 0 [pid 5007] close(12 [pid 5006] close(25 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] +++ exited with 0 +++ [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5008] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(26 [pid 3503] getdents64(3, [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5008] <... symlink resumed>) = 0 [pid 5007] close(13 [pid 5006] close(26 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(27 [pid 3503] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5007] close(14 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] write(3, "1000", 4 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] close(27 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... write resumed>) = 4 [pid 5007] close(15 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(28 [pid 3503] lstat("./247/binderfs", [pid 5008] close(3 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] close(28 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] close(16 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] close(29 [pid 3503] unlink("./247/binderfs" [pid 5008] read(200, [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] close(29 [pid 5005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] close(17 [pid 5006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 5008] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] exit_group(0 [pid 5005] <... exit_group resumed>) = ? [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... symlink resumed>) = 0 [pid 5007] close(18 [pid 5006] <... exit_group resumed>) = ? [pid 3503] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... 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 5007] close(19 [pid 3503] lstat("./247/cgroup.net", [pid 3500] <... openat resumed>) = 3 [pid 5006] +++ exited with 0 +++ [pid 5005] +++ exited with 0 +++ [pid 5008] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] fstat(3, [pid 5008] <... mmap resumed>) = 0x20002000 [pid 5007] close(20 [pid 3503] unlink("./247/cgroup.net" [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=234, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5008] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5008] <... mmap resumed>) = 0x20000000 [pid 3500] getdents64(3, [pid 5008] close(3 [pid 5007] close(21 [pid 3503] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5008] close(4 [pid 5007] close(22 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./247/cgroup.cpu", [pid 5008] close(5 [pid 5007] close(23 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./247/cgroup.cpu" [pid 3501] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] lstat("./237/binderfs", [pid 3499] <... openat resumed>) = 3 [pid 5008] close(6 [pid 5007] close(24 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] fstat(3, [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] fstat(3, [pid 3500] unlink("./237/binderfs" [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5008] close(7 [pid 5007] close(25 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./247/cgroup", [pid 3501] getdents64(3, [pid 3500] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5008] close(8 [pid 5007] close(26 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./247/cgroup" [pid 3501] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./237/cgroup.net", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(9 [pid 5007] close(27 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./232/binderfs", [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] lstat("./240/binderfs", [pid 3500] unlink("./237/cgroup.net" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] close(10 [pid 5007] close(28 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3503] close(3 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] unlink("./240/binderfs" [pid 3500] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./232/binderfs" [pid 5008] close(11 [pid 5007] close(29 [pid 3503] rmdir("./247" [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5008] close(12 [pid 5007] exit_group(0 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./237/cgroup.cpu", [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(13 [pid 5007] <... exit_group resumed>) = ? [pid 5008] <... 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=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] +++ exited with 0 +++ [pid 5008] close(14 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] lstat("./240/cgroup.net", [pid 3500] unlink("./237/cgroup.cpu" [pid 3499] lstat("./232/cgroup.net", [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./248", 0777 [pid 5008] close(15 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./240/cgroup.net" [pid 3500] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] close(16 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./232/cgroup.net" [pid 3502] <... openat resumed>) = 3 [pid 3502] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] getdents64(3, ./strace-static-x86_64: Process 5009 attached 0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5009] set_robust_list(0x5555573195e0, 24 [pid 5008] close(17 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 250 [pid 3502] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./237/cgroup", [pid 5009] <... set_robust_list resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] chdir("./248" [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./245/binderfs", [pid 3501] lstat("./240/cgroup.cpu", [pid 3499] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... chdir resumed>) = 0 [pid 5008] close(18 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./245/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... prctl resumed>) = 0 [pid 5008] close(19 [pid 3502] <... unlink resumed>) = 0 [pid 3500] unlink("./237/cgroup" [pid 5009] setpgid(0, 0 [pid 3502] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./240/cgroup.cpu" [pid 3499] lstat("./232/cgroup.cpu", [pid 5009] <... setpgid resumed>) = 0 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3502] lstat("./245/cgroup.net", [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5009] <... symlink resumed>) = 0 [pid 5008] close(20 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5009] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3502] unlink("./245/cgroup.net" [pid 3501] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3499] unlink("./232/cgroup.cpu" [pid 5009] <... symlink resumed>) = 0 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5009] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5008] close(21 [pid 3502] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5009] <... symlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./245/cgroup.cpu", [pid 3501] lstat("./240/cgroup", [pid 3500] close(3 [pid 3499] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5008] close(22 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5009] write(3, "1000", 4 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./245/cgroup.cpu" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... write resumed>) = 4 [pid 5008] close(23 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./240/cgroup" [pid 3500] rmdir("./237" [pid 5009] close(3 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] lstat("./232/cgroup", [pid 5009] <... close resumed>) = 0 [pid 5008] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] mkdir("./238", 0777 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5009] read(200, [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./245/cgroup", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] unlink("./232/cgroup" [pid 5009] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] close(25 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] close(3 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./245/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5009] <... symlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... close resumed>) = 0 [pid 5009] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] getdents64(3, ./strace-static-x86_64: Process 5010 attached [pid 5009] <... 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 5008] close(26 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] rmdir("./240" [pid 3499] getdents64(3, [pid 5010] set_robust_list(0x5555573195e0, 24 [pid 5009] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 5010] <... set_robust_list resumed>) = 0 [pid 5009] <... mmap resumed>) = 0x20002000 [pid 5008] close(27 [pid 3502] <... close resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 240 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5010] chdir("./238" [pid 5009] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./245" [pid 3501] mkdir("./241", 0777 [pid 5010] <... chdir resumed>) = 0 [pid 5009] <... mmap resumed>) = 0x20000000 [pid 3502] <... rmdir resumed>) = 0 [pid 3499] close(3 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] close(3 [pid 3502] mkdir("./246", 0777 [pid 5010] <... prctl resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 5010] setpgid(0, 0 [pid 5009] close(4 [pid 5008] close(28 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... close resumed>) = 0 ./strace-static-x86_64: Process 5011 attached [pid 5010] <... setpgid resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3499] rmdir("./232" [pid 5011] set_robust_list(0x5555573195e0, 24 [pid 5010] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5009] close(5 [pid 5008] close(29 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 248 [pid 5011] <... set_robust_list resumed>) = 0 [pid 5010] <... symlink resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... rmdir resumed>) = 0 [pid 5011] chdir("./246" [pid 5010] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5009] close(6 [pid 5008] exit_group(0 [pid 5011] <... chdir resumed>) = 0 [pid 5010] <... symlink resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5012 attached [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5009] close(7 [pid 5011] <... prctl resumed>) = 0 [pid 5010] <... symlink resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... exit_group resumed>) = ? [pid 3499] mkdir("./233", 0777 [pid 5011] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] close(8 [pid 5011] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5010] write(3, "1000", 4 [pid 5009] close(9 [pid 5012] set_robust_list(0x5555573195e0, 24 [pid 5011] <... symlink resumed>) = 0 [pid 5010] <... write resumed>) = 4 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 243 [pid 3499] <... mkdir resumed>) = 0 [pid 5012] <... set_robust_list resumed>) = 0 [pid 5011] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5010] close(3 [pid 5009] close(10 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] chdir("./241" [pid 5011] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] +++ exited with 0 +++ [pid 5011] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5010] read(200, [pid 5009] close(11 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5013 attached [pid 5011] <... symlink resumed>) = 0 [pid 5010] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 5013] set_robust_list(0x5555573195e0, 24 [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] symlink("/dev/binderfs", "./binderfs" [pid 5009] close(12 [pid 3504] <... restart_syscall resumed>) = 0 [pid 5013] <... set_robust_list resumed>) = 0 [pid 5012] <... chdir resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... symlink resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 235 [pid 5013] chdir("./233" [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] write(3, "1000", 4 [pid 5010] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5009] close(13 [pid 5013] <... chdir resumed>) = 0 [pid 5012] <... prctl resumed>) = 0 [pid 5011] <... write resumed>) = 4 [pid 5010] <... 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 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] setpgid(0, 0 [pid 5011] close(3 [pid 5010] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5009] close(14 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5013] <... prctl resumed>) = 0 [pid 5012] <... setpgid resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... mmap resumed>) = 0x20002000 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5013] setpgid(0, 0 [pid 5012] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5011] read(200, [pid 5010] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5009] close(15 [pid 3504] <... openat resumed>) = 3 [pid 5013] <... setpgid resumed>) = 0 [pid 5012] <... symlink resumed>) = 0 [pid 5011] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... mmap resumed>) = 0x20000000 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5013] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5012] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5011] symlink("/dev/binderfs", "./binderfs" [pid 5010] close(3 [pid 5009] close(16 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5013] <... symlink resumed>) = 0 [pid 5012] <... symlink resumed>) = 0 [pid 5011] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5013] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5011] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5010] close(4 [pid 5009] close(17 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5013] <... symlink resumed>) = 0 [pid 5012] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5011] <... 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 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5013] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5012] <... symlink resumed>) = 0 [pid 5011] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5010] close(5 [pid 5009] close(18 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5013] <... symlink resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... mmap resumed>) = 0x20002000 [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./249/binderfs", [pid 5013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 5011] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5010] close(6 [pid 5009] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5013] <... openat resumed>) = 3 [pid 5012] write(3, "1000", 4 [pid 5011] <... mmap resumed>) = 0x20000000 [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./249/binderfs" [pid 5013] write(3, "1000", 4 [pid 5012] <... write resumed>) = 4 [pid 5011] close(3 [pid 5010] close(7 [pid 5009] close(20 [pid 3504] <... unlink resumed>) = 0 [pid 5013] <... write resumed>) = 4 [pid 5012] close(3 [pid 5011] <... close resumed>) = 0 [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5013] close(3 [pid 5012] <... close resumed>) = 0 [pid 5011] close(4 [pid 5010] close(8 [pid 5009] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5013] <... close resumed>) = 0 [pid 5012] read(200, [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./249/cgroup.net", [pid 5013] read(200, [pid 5012] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] close(5 [pid 5010] close(9 [pid 5009] close(22 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5013] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./249/cgroup.net" [pid 5013] symlink("/dev/binderfs", "./binderfs" [pid 5011] close(6 [pid 5010] close(10 [pid 5009] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 5013] <... symlink resumed>) = 0 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5013] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5012] symlink("/dev/binderfs", "./binderfs" [pid 5011] close(7 [pid 5010] close(11 [pid 5009] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5013] <... 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 5012] <... symlink resumed>) = 0 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./249/cgroup.cpu", [pid 5013] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5012] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5011] close(8 [pid 5010] close(12 [pid 5009] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5013] <... mmap resumed>) = 0x20002000 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./249/cgroup.cpu" [pid 5012] <... 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 5013] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5011] close(9 [pid 5010] close(13 [pid 5009] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 5013] <... mmap resumed>) = 0x20000000 [pid 5012] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5013] close(3 [pid 5012] <... mmap resumed>) = 0x20002000 [pid 5011] close(10 [pid 5010] close(14 [pid 5009] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5013] <... close resumed>) = 0 [pid 5012] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./249/cgroup", [pid 5013] close(4 [pid 5012] <... mmap resumed>) = 0x20000000 [pid 5011] close(11 [pid 5010] close(15 [pid 5009] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(3 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./249/cgroup" [pid 5013] close(5 [pid 5012] <... close resumed>) = 0 [pid 5011] close(12 [pid 5010] close(16 [pid 5009] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5013] close(6 [pid 5012] close(4 [pid 5011] close(13 [pid 5010] close(17 [pid 5009] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... exit_group resumed>) = ? [pid 3504] close(3 [pid 5013] close(7 [pid 5012] close(5 [pid 5011] close(14 [pid 5010] close(18 [pid 3504] <... close resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] +++ exited with 0 +++ [pid 3504] rmdir("./249" [pid 5013] close(8 [pid 5012] close(6 [pid 5011] close(15 [pid 5010] close(19 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./250", 0777 [pid 5013] close(9 [pid 5012] close(7 [pid 5011] close(16 [pid 5010] close(20 [pid 3504] <... mkdir resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5013] close(10 [pid 5012] close(8 [pid 5011] close(17 [pid 5010] close(21./strace-static-x86_64: Process 5014 attached [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] set_robust_list(0x5555573195e0, 24 [pid 5013] close(11 [pid 5012] close(9 [pid 5011] close(18 [pid 5010] close(22 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 252 [pid 5014] <... set_robust_list resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] chdir("./250" [pid 5013] close(12 [pid 5012] close(10 [pid 5011] close(19 [pid 5010] close(23 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5014] <... chdir resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5013] close(13 [pid 5012] close(11 [pid 5011] close(20 [pid 5010] close(24 [pid 3503] <... openat resumed>) = 3 [pid 5014] <... prctl resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 5014] setpgid(0, 0 [pid 5013] close(14 [pid 5012] close(12 [pid 5011] close(21 [pid 5010] close(25 [pid 5014] <... setpgid resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5012] close(13 [pid 5014] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5013] close(15 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(22 [pid 5010] close(26 [pid 3503] getdents64(3, [pid 5014] <... symlink resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(14 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5014] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5013] close(16 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(23 [pid 5014] <... symlink resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(15 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] close(27 [pid 3503] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5013] close(17 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(24 [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5014] <... symlink resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(16 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] close(28 [pid 3503] lstat("./248/binderfs", [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5013] close(18 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(25 [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5014] <... openat resumed>) = 3 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(17 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] close(29 [pid 3503] unlink("./248/binderfs" [pid 5014] write(3, "1000", 4 [pid 5013] close(19 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(26 [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] <... write resumed>) = 4 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(18 [pid 3503] <... unlink resumed>) = 0 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] close(3 [pid 5013] close(20 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(27 [pid 5010] exit_group(0 [pid 3503] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] <... close resumed>) = 0 [pid 5012] close(19 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] read(200, [pid 5013] close(21 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(28 [pid 5010] <... exit_group resumed>) = ? [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5014] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(20 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] +++ exited with 0 +++ [pid 3503] lstat("./248/cgroup.net", [pid 5014] symlink("/dev/binderfs", "./binderfs" [pid 5013] close(22 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(29 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5014] <... symlink resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(21 [pid 5011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./248/cgroup.net" [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5013] close(23 [pid 5011] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 5014] <... 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 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(22 [pid 5011] <... exit_group resumed>) = ? [pid 3500] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5013] close(24 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5014] <... mmap resumed>) = 0x20002000 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(23 [pid 5011] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5014] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5013] close(25 [pid 3503] lstat("./248/cgroup.cpu", [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5014] <... mmap resumed>) = 0x20000000 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(24 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5014] close(3 [pid 5013] close(26 [pid 3503] unlink("./248/cgroup.cpu" [pid 3500] <... openat resumed>) = 3 [pid 5014] <... close resumed>) = 0 [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] fstat(3, [pid 5014] close(4 [pid 5013] close(27 [pid 3503] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(25 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... restart_syscall resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5014] close(5 [pid 5013] close(28 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./248/cgroup", [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(26 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] getdents64(3, [pid 5014] close(6 [pid 5013] close(29 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./248/cgroup" [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] close(27 [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5014] close(7 [pid 5013] exit_group(0 [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... exit_group resumed>) = ? [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] close(8 [pid 5013] +++ exited with 0 +++ [pid 5012] close(28 [pid 3503] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5014] close(9 [pid 5012] close(29 [pid 3503] rmdir("./248" [pid 3500] lstat("./238/binderfs", [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5014] close(10 [pid 5012] exit_group(0 [pid 3503] mkdir("./249", 0777 [pid 3502] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] <... exit_group resumed>) = ? [pid 3503] <... mkdir resumed>) = 0 [pid 5014] close(11 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] unlink("./238/binderfs" [pid 3499] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5015 attached [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5012] +++ exited with 0 +++ [pid 5015] set_robust_list(0x5555573195e0, 24 [pid 5014] close(12 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 251 [pid 3502] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 5015] <... set_robust_list resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] chdir("./249" [pid 5014] close(13 [pid 5015] <... chdir resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5014] close(14 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./238/cgroup.net", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] <... prctl resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./246/binderfs", [pid 5015] setpgid(0, 0 [pid 5014] close(15 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5015] <... setpgid resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5014] close(16 [pid 3500] unlink("./238/cgroup.net" [pid 3499] <... openat resumed>) = 3 [pid 5015] <... symlink resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./246/binderfs" [pid 3501] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5015] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5014] close(17 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... unlink resumed>) = 0 [pid 3499] fstat(3, [pid 5015] <... symlink resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5014] close(18 [pid 3501] fstat(3, [pid 3500] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5015] <... symlink resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5014] close(19 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5015] <... openat resumed>) = 3 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./246/cgroup.net", [pid 3501] getdents64(3, [pid 3500] lstat("./238/cgroup.cpu", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5015] write(3, "1000", 4 [pid 5014] close(20 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5015] <... write resumed>) = 4 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] close(3 [pid 5014] close(21 [pid 3502] unlink("./246/cgroup.net" [pid 3501] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] <... close resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./238/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] read(200, [pid 5014] close(22 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./233/binderfs", [pid 5015] symlink("/dev/binderfs", "./binderfs" [pid 5014] close(23 [pid 3502] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./241/binderfs", [pid 5015] <... symlink resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5015] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5014] close(24 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5015] <... 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 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5014] close(25 [pid 5015] <... mmap resumed>) = 0x20002000 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./246/cgroup.cpu", [pid 3501] unlink("./241/binderfs" [pid 5015] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5014] close(26 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./233/binderfs" [pid 5015] <... mmap resumed>) = 0x20000000 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./238/cgroup", [pid 5015] close(3 [pid 5014] close(27 [pid 3502] unlink("./246/cgroup.cpu" [pid 3501] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5015] <... close resumed>) = 0 [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5015] close(4 [pid 5014] close(28 [pid 3502] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./238/cgroup" [pid 3499] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] close(5 [pid 5014] close(29 [pid 3501] lstat("./241/cgroup.net", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./246/cgroup", [pid 5015] close(6 [pid 5014] exit_group(0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] getdents64(3, [pid 3499] lstat("./233/cgroup.net", [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5014] <... exit_group resumed>) = ? [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5015] close(7 [pid 5014] +++ exited with 0 +++ [pid 3502] unlink("./246/cgroup" [pid 3501] unlink("./241/cgroup.net" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 3499] unlink("./233/cgroup.net" [pid 5015] close(8 [pid 3502] getdents64(3, [pid 3501] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5015] close(9 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./238" [pid 3499] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... close resumed>) = 0 [pid 3501] lstat("./241/cgroup.cpu", [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] close(10 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./246" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] mkdir("./239", 0777 [pid 3499] lstat("./233/cgroup.cpu", [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... rmdir resumed>) = 0 [pid 3501] unlink("./241/cgroup.cpu" [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] mkdir("./247", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] unlink("./233/cgroup.cpu"./strace-static-x86_64: Process 5016 attached [pid 5015] close(11 [pid 3504] <... openat resumed>) = 3 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5016] set_robust_list(0x5555573195e0, 24 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 241 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5017 attached [pid 5016] <... set_robust_list resumed>) = 0 [pid 5015] close(12 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./241/cgroup", [pid 3499] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5017] set_robust_list(0x5555573195e0, 24 [pid 5016] chdir("./239" [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 249 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5017] <... set_robust_list resumed>) = 0 [pid 5016] <... chdir resumed>) = 0 [pid 5015] close(13 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./241/cgroup" [pid 3499] lstat("./233/cgroup", [pid 5017] chdir("./247" [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5017] <... chdir resumed>) = 0 [pid 5016] <... prctl resumed>) = 0 [pid 5015] close(14 [pid 3501] getdents64(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./233/cgroup" [pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5016] setpgid(0, 0 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./250/binderfs", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5017] <... prctl resumed>) = 0 [pid 5016] <... setpgid resumed>) = 0 [pid 5015] close(15 [pid 3501] close(3 [pid 3499] getdents64(3, [pid 5017] setpgid(0, 0 [pid 5016] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5017] <... setpgid resumed>) = 0 [pid 5016] <... symlink resumed>) = 0 [pid 3501] rmdir("./241" [pid 3499] close(3 [pid 5017] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5016] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5015] close(16 [pid 3504] unlink("./250/binderfs" [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5017] <... symlink resumed>) = 0 [pid 5016] <... symlink resumed>) = 0 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] mkdir("./242", 0777 [pid 3499] rmdir("./233" [pid 5017] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5016] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5015] close(17 [pid 3504] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5017] <... symlink resumed>) = 0 [pid 5016] <... symlink resumed>) = 0 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] mkdir("./234", 0777./strace-static-x86_64: Process 5018 attached [pid 5017] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5015] close(18 [pid 3504] lstat("./250/cgroup.net", [pid 3499] <... mkdir resumed>) = 0 [pid 5018] set_robust_list(0x5555573195e0, 24 [pid 5017] <... symlink resumed>) = 0 [pid 5016] <... openat resumed>) = 3 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 244 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5019 attached [pid 5018] <... set_robust_list resumed>) = 0 [pid 5017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5016] write(3, "1000", 4 [pid 5015] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5019] set_robust_list(0x5555573195e0, 24 [pid 5018] chdir("./242" [pid 5016] <... write resumed>) = 4 [pid 5017] <... openat resumed>) = 3 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 236 [pid 5019] <... set_robust_list resumed>) = 0 [pid 5018] <... chdir resumed>) = 0 [pid 5016] close(3 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./250/cgroup.net" [pid 5019] chdir("./234" [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5017] write(3, "1000", 4 [pid 5016] <... close resumed>) = 0 [pid 5019] <... chdir resumed>) = 0 [pid 5018] <... prctl resumed>) = 0 [pid 5017] <... write resumed>) = 4 [pid 5016] read(200, [pid 5015] close(20 [pid 3504] <... unlink resumed>) = 0 [pid 5019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5018] setpgid(0, 0 [pid 5017] close(3 [pid 5016] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5019] <... prctl resumed>) = 0 [pid 5018] <... setpgid resumed>) = 0 [pid 5017] <... close resumed>) = 0 [pid 5016] symlink("/dev/binderfs", "./binderfs" [pid 5015] close(21 [pid 5019] setpgid(0, 0 [pid 5018] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5017] read(200, [pid 5016] <... symlink resumed>) = 0 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5019] <... setpgid resumed>) = 0 [pid 5018] <... symlink resumed>) = 0 [pid 5017] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5016] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5015] close(22 [pid 3504] lstat("./250/cgroup.cpu", [pid 5019] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5018] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5017] symlink("/dev/binderfs", "./binderfs" [pid 5016] <... 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 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... symlink resumed>) = 0 [pid 5018] <... symlink resumed>) = 0 [pid 5017] <... symlink resumed>) = 0 [pid 5016] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5015] close(23 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5019] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5018] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5017] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5016] <... mmap resumed>) = 0x20002000 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./250/cgroup.cpu" [pid 5019] <... symlink resumed>) = 0 [pid 5018] <... symlink resumed>) = 0 [pid 5016] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5019] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5017] <... 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 5016] <... mmap resumed>) = 0x20000000 [pid 5015] close(24 [pid 3504] <... unlink resumed>) = 0 [pid 5019] <... symlink resumed>) = 0 [pid 5018] <... openat resumed>) = 3 [pid 5017] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5016] close(3 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5018] write(3, "1000", 4 [pid 5017] <... mmap resumed>) = 0x20002000 [pid 5016] <... close resumed>) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5018] <... write resumed>) = 4 [pid 5016] close(4 [pid 5015] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5019] write(3, "1000", 4 [pid 5018] close(3 [pid 5017] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./250/cgroup", [pid 5019] <... write resumed>) = 4 [pid 5018] <... close resumed>) = 0 [pid 5017] <... mmap resumed>) = 0x20000000 [pid 5016] close(5 [pid 5015] close(26 [pid 5019] close(3 [pid 5018] read(200, [pid 5017] close(3 [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5019] <... close resumed>) = 0 [pid 5018] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5017] <... close resumed>) = 0 [pid 5016] close(6 [pid 5015] close(27 [pid 3504] unlink("./250/cgroup" [pid 5019] read(200, [pid 5018] symlink("/dev/binderfs", "./binderfs" [pid 5017] close(4 [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5018] <... symlink resumed>) = 0 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] close(7 [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5019] symlink("/dev/binderfs", "./binderfs" [pid 5018] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5017] close(5 [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] close(28 [pid 3504] getdents64(3, [pid 5019] <... symlink resumed>) = 0 [pid 5018] <... 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 5016] close(8 [pid 5019] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5018] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5019] <... 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 5018] <... mmap resumed>) = 0x20002000 [pid 5017] close(6 [pid 5016] close(9 [pid 5015] close(29 [pid 3504] close(3 [pid 5019] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5018] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 5019] <... mmap resumed>) = 0x20002000 [pid 5018] <... mmap resumed>) = 0x20000000 [pid 5017] close(7 [pid 5016] close(10 [pid 5015] exit_group(0 [pid 3504] rmdir("./250" [pid 5019] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5018] close(3 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] <... exit_group resumed>) = ? [pid 3504] <... rmdir resumed>) = 0 [pid 5019] <... mmap resumed>) = 0x20000000 [pid 5018] <... close resumed>) = 0 [pid 5017] close(8 [pid 5016] close(11 [pid 5019] close(3 [pid 5018] close(4 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5015] +++ exited with 0 +++ [pid 3504] mkdir("./251", 0777 [pid 5019] <... close resumed>) = 0 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(9 [pid 5016] close(12 [pid 3504] <... mkdir resumed>) = 0 [pid 5019] close(4 [pid 5018] close(5 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [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=251, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 5020 attached [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(10 [pid 5016] close(13 [pid 3503] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] set_robust_list(0x5555573195e0, 24 [pid 5019] close(5 [pid 5018] close(6 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 253 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... set_robust_list resumed>) = 0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(11 [pid 5016] close(14 [pid 3503] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5020] chdir("./251" [pid 5019] close(6 [pid 5018] close(7 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 5020] <... chdir resumed>) = 0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(12 [pid 5016] close(15 [pid 3503] fstat(3, [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5019] close(7 [pid 5018] close(8 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5020] <... prctl resumed>) = 0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(13 [pid 5016] close(16 [pid 3503] getdents64(3, [pid 5020] setpgid(0, 0 [pid 5019] close(8 [pid 5018] close(9 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5020] <... setpgid resumed>) = 0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(14 [pid 5020] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5019] close(9 [pid 5018] close(10 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] close(17 [pid 3503] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] <... symlink resumed>) = 0 [pid 5017] close(15 [pid 5020] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... symlink resumed>) = 0 [pid 5017] close(16 [pid 5020] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... symlink resumed>) = 0 [pid 5017] close(17 [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... openat resumed>) = 3 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(18 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] write(3, "1000", 4 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... write resumed>) = 4 [pid 5017] close(19 [pid 5020] close(3 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = 0 [pid 5017] close(20 [pid 5020] read(200, [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5017] close(21 [pid 5020] symlink("/dev/binderfs", "./binderfs" [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... symlink resumed>) = 0 [pid 5017] close(22 [pid 5020] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... 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 5017] close(23 [pid 5020] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... mmap resumed>) = 0x20002000 [pid 5019] close(10 [pid 5018] close(11 [pid 5017] close(24 [pid 5016] close(18 [pid 3503] lstat("./249/binderfs", [pid 5020] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... mmap resumed>) = 0x20000000 [pid 5017] close(25 [pid 5020] close(3 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5020] <... close resumed>) = 0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(26 [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./249/binderfs" [pid 5020] close(4 [pid 5019] close(11 [pid 5018] close(12 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(27 [pid 5016] close(19 [pid 3503] <... unlink resumed>) = 0 [pid 5020] close(5 [pid 5019] close(12 [pid 5018] close(13 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(28 [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] close(6 [pid 5019] close(13 [pid 5018] close(14 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] close(20 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] close(29 [pid 5020] close(7 [pid 5019] close(14 [pid 5018] close(15 [pid 5017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./249/cgroup.net", [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] exit_group(0 [pid 5020] close(8 [pid 5017] <... exit_group resumed>) = ? [pid 5016] close(21 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(15 [pid 5018] close(16 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5020] close(9 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5017] +++ exited with 0 +++ [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] close(10 [pid 3503] unlink("./249/cgroup.net" [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(17 [pid 5016] close(22 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5019] close(16 [pid 5020] close(11 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] close(12 [pid 5018] close(18 [pid 3503] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5016] close(23 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(17 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] close(13 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(19 [pid 5019] close(18 [pid 5020] close(14 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] close(24 [pid 3503] lstat("./249/cgroup.cpu", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(20 [pid 5020] close(15 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5019] close(19 [pid 3502] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(21 [pid 5016] close(25 [pid 3503] unlink("./249/cgroup.cpu" [pid 5020] close(16 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(22 [pid 5016] close(26 [pid 3503] <... unlink resumed>) = 0 [pid 5020] close(17 [pid 5019] close(20 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] fstat(3, [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(23 [pid 5016] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5020] close(18 [pid 5019] close(21 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./249/cgroup", [pid 3502] getdents64(3, [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(24 [pid 5016] close(28 [pid 5020] close(19 [pid 5019] close(22 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(25 [pid 5020] close(20 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(26 [pid 5020] close(21 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(27 [pid 5020] close(22 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] close(28 [pid 5020] close(23 [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(23 [pid 5018] close(29 [pid 5016] close(29 [pid 3503] unlink("./249/cgroup" [pid 3502] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] close(24 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(24 [pid 5018] exit_group(0 [pid 5016] exit_group(0 [pid 3503] getdents64(3, [pid 3502] lstat("./247/binderfs", [pid 5020] close(25 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] <... exit_group resumed>) = ? [pid 5016] <... exit_group resumed>) = ? [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(25 [pid 5018] +++ exited with 0 +++ [pid 3503] close(3 [pid 3502] unlink("./247/binderfs" [pid 5020] close(26 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(26 [pid 3503] rmdir("./249" [pid 3502] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] close(27 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5016] +++ exited with 0 +++ [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(27 [pid 3503] mkdir("./250", 0777 [pid 3502] lstat("./247/cgroup.net", [pid 5020] close(28 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(28 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] unlink("./247/cgroup.net" [pid 3501] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5021 attached [pid 5020] close(29 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5019] close(29 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 252 [pid 3502] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5021] set_robust_list(0x5555573195e0, 24 [pid 5020] exit_group(0 [pid 5019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] <... set_robust_list resumed>) = 0 [pid 5020] <... exit_group resumed>) = ? [pid 5019] exit_group(0 [pid 3502] lstat("./247/cgroup.cpu", [pid 5021] chdir("./250" [pid 5020] +++ exited with 0 +++ [pid 5019] <... exit_group resumed>) = ? [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5021] <... chdir resumed>) = 0 [pid 3501] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] <... prctl resumed>) = 0 [pid 5019] +++ exited with 0 +++ [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] unlink("./247/cgroup.cpu" [pid 3501] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5021] setpgid(0, 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] <... setpgid resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 3500] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5021] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3502] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5021] <... symlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5021] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3504] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5021] <... symlink resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./247/cgroup", [pid 3501] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3499] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5021] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5021] <... symlink resumed>) = 0 [pid 3501] lstat("./242/binderfs", [pid 3500] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] <... openat resumed>) = 3 [pid 3501] unlink("./242/binderfs" [pid 3500] lstat("./239/binderfs", [pid 5021] write(3, "1000", 4 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5021] <... write resumed>) = 4 [pid 3501] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./239/binderfs" [pid 5021] close(3 [pid 3502] unlink("./247/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 3504] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./242/cgroup.net", [pid 3500] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] read(200, [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... openat resumed>) = 3 [pid 3502] getdents64(3, [pid 3501] unlink("./242/cgroup.net" [pid 3500] lstat("./239/cgroup.net", [pid 3499] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5021] symlink("/dev/binderfs", "./binderfs" [pid 3504] fstat(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5021] <... symlink resumed>) = 0 [pid 3501] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./239/cgroup.net" [pid 3499] <... openat resumed>) = 3 [pid 5021] 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] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 5021] <... 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] getdents64(3, [pid 3501] lstat("./242/cgroup.cpu", [pid 3500] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 5021] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] <... mmap resumed>) = 0x20002000 [pid 3504] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] rmdir("./247" [pid 3501] unlink("./242/cgroup.cpu" [pid 3500] lstat("./239/cgroup.cpu", [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5021] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5021] <... mmap resumed>) = 0x20000000 [pid 3504] lstat("./251/binderfs", [pid 3502] mkdir("./248", 0777 [pid 3501] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./239/cgroup.cpu" [pid 3499] getdents64(3, [pid 5021] close(3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] lstat("./242/cgroup", [pid 3500] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5022 attached [pid 5021] close(4 [pid 3504] unlink("./251/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5022] set_robust_list(0x5555573195e0, 24 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 250 [pid 3501] unlink("./242/cgroup" [pid 3500] lstat("./239/cgroup", [pid 3499] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5022] <... set_robust_list resumed>) = 0 [pid 5021] close(5 [pid 3504] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5022] chdir("./248" [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./239/cgroup" [pid 5022] <... chdir resumed>) = 0 [pid 5021] close(6 [pid 3504] lstat("./251/cgroup.net", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./234/binderfs", [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 3500] getdents64(3, [pid 5022] <... prctl resumed>) = 0 [pid 5021] close(7 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5022] setpgid(0, 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./251/cgroup.net" [pid 3501] rmdir("./242" [pid 3500] close(3 [pid 3499] unlink("./234/binderfs" [pid 5022] <... setpgid resumed>) = 0 [pid 5021] close(8 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./243", 0777 [pid 3500] rmdir("./239" [pid 3499] <... unlink resumed>) = 0 [pid 5022] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5021] close(9 [pid 3504] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5022] <... symlink resumed>) = 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5022] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5021] close(10 [pid 3504] lstat("./251/cgroup.cpu", [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] mkdir("./240", 0777 [pid 3499] lstat("./234/cgroup.net", [pid 5022] <... symlink resumed>) = 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5023 attached [pid 5022] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5021] close(11 [pid 3504] unlink("./251/cgroup.cpu" [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] unlink("./234/cgroup.net" [pid 5022] <... symlink resumed>) = 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 245 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5024 attached [pid 5023] set_robust_list(0x5555573195e0, 24 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5021] close(12 [pid 3504] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5024] set_robust_list(0x5555573195e0, 24 [pid 5023] <... set_robust_list resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5024] <... set_robust_list resumed>) = 0 [pid 5023] chdir("./243" [pid 5022] write(3, "1000", 4 [pid 5021] close(13 [pid 3504] lstat("./251/cgroup", [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 242 [pid 3499] lstat("./234/cgroup.cpu", [pid 5024] chdir("./240" [pid 5023] <... chdir resumed>) = 0 [pid 5022] <... write resumed>) = 4 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5024] <... chdir resumed>) = 0 [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5022] close(3 [pid 5021] close(14 [pid 3504] unlink("./251/cgroup" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5023] <... prctl resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3499] unlink("./234/cgroup.cpu" [pid 5024] <... prctl resumed>) = 0 [pid 5023] setpgid(0, 0 [pid 5022] read(200, [pid 5021] close(15 [pid 3504] getdents64(3, [pid 3499] <... unlink resumed>) = 0 [pid 5024] setpgid(0, 0 [pid 5023] <... setpgid resumed>) = 0 [pid 5022] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5022] symlink("/dev/binderfs", "./binderfs" [pid 5021] close(16 [pid 3504] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5024] <... setpgid resumed>) = 0 [pid 5023] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5022] <... symlink resumed>) = 0 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3499] lstat("./234/cgroup", [pid 5024] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5022] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] rmdir("./251" [pid 5021] close(17 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5024] <... symlink resumed>) = 0 [pid 5023] <... symlink resumed>) = 0 [pid 5022] <... 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 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3499] unlink("./234/cgroup" [pid 5024] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5023] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5022] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5021] close(18 [pid 3504] mkdir("./252", 0777 [pid 3499] <... unlink resumed>) = 0 [pid 5024] <... symlink resumed>) = 0 [pid 5023] <... symlink resumed>) = 0 [pid 5022] <... mmap resumed>) = 0x20002000 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5024] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5023] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5022] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5021] close(19 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5025 attached [pid 5024] <... symlink resumed>) = 0 [pid 5022] <... mmap resumed>) = 0x20000000 [pid 3499] close(3 [pid 5025] set_robust_list(0x5555573195e0, 24 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5023] <... symlink resumed>) = 0 [pid 5022] close(3 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 254 [pid 3499] <... close resumed>) = 0 [pid 5025] <... set_robust_list resumed>) = 0 [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5022] <... close resumed>) = 0 [pid 5021] close(20 [pid 3499] rmdir("./234" [pid 5025] chdir("./252" [pid 5024] <... openat resumed>) = 3 [pid 5023] <... openat resumed>) = 3 [pid 5022] close(4 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... rmdir resumed>) = 0 [pid 5025] <... chdir resumed>) = 0 [pid 5024] write(3, "1000", 4 [pid 5023] write(3, "1000", 4 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(21 [pid 3499] mkdir("./235", 0777 [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5024] <... write resumed>) = 4 [pid 5023] <... write resumed>) = 4 [pid 5022] close(5 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5025] <... prctl resumed>) = 0 [pid 5024] close(3 [pid 5023] close(3 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(22 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] setpgid(0, 0 [pid 5024] <... close resumed>) = 0 [pid 5023] <... close resumed>) = 0 [pid 5022] close(6 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5026 attached [pid 5025] <... setpgid resumed>) = 0 [pid 5024] read(200, [pid 5023] read(200, [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(23 [pid 5026] set_robust_list(0x5555573195e0, 24 [pid 5025] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5024] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5022] close(7 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 237 [pid 5026] <... set_robust_list resumed>) = 0 [pid 5025] <... symlink resumed>) = 0 [pid 5024] symlink("/dev/binderfs", "./binderfs" [pid 5023] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] chdir("./235" [pid 5025] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5022] close(8 [pid 5026] <... chdir resumed>) = 0 [pid 5025] <... symlink resumed>) = 0 [pid 5024] <... symlink resumed>) = 0 [pid 5023] symlink("/dev/binderfs", "./binderfs" [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(24 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5022] close(9 [pid 5026] <... prctl resumed>) = 0 [pid 5025] <... symlink resumed>) = 0 [pid 5023] <... symlink resumed>) = 0 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5026] setpgid(0, 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5022] close(10 [pid 5026] <... setpgid resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5024] <... 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 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(25 [pid 5026] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5025] write(3, "1000", 4 [pid 5023] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5022] close(11 [pid 5026] <... symlink resumed>) = 0 [pid 5025] <... write resumed>) = 4 [pid 5024] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5023] <... 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 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5025] close(3 [pid 5024] <... mmap resumed>) = 0x20002000 [pid 5023] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5022] close(12 [pid 5021] close(26 [pid 5026] <... symlink resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5024] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5023] <... mmap resumed>) = 0x20002000 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5025] read(200, [pid 5024] <... mmap resumed>) = 0x20000000 [pid 5023] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5022] close(13 [pid 5021] close(27 [pid 5026] <... symlink resumed>) = 0 [pid 5025] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5024] close(3 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5025] symlink("/dev/binderfs", "./binderfs" [pid 5024] <... close resumed>) = 0 [pid 5023] <... mmap resumed>) = 0x20000000 [pid 5022] close(14 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... openat resumed>) = 3 [pid 5025] <... symlink resumed>) = 0 [pid 5024] close(4 [pid 5023] close(3 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(28 [pid 5026] write(3, "1000", 4 [pid 5025] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = 0 [pid 5022] close(15 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... write resumed>) = 4 [pid 5025] <... 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 5024] close(5 [pid 5023] close(4 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] close(29 [pid 5026] close(3 [pid 5025] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] close(16 [pid 5021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... close resumed>) = 0 [pid 5025] <... mmap resumed>) = 0x20002000 [pid 5024] close(6 [pid 5023] close(5 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] exit_group(0 [pid 5026] read(200, [pid 5025] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] close(17 [pid 5021] <... exit_group resumed>) = ? [pid 5026] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5025] <... mmap resumed>) = 0x20000000 [pid 5024] close(7 [pid 5023] close(6 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5021] +++ exited with 0 +++ [pid 5026] symlink("/dev/binderfs", "./binderfs" [pid 5025] close(3 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] close(18 [pid 5026] <... symlink resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5024] close(8 [pid 5023] close(7 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5026] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5025] close(4 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5026] <... 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 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(9 [pid 5023] close(8 [pid 5022] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5025] close(5 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... mmap resumed>) = 0x20002000 [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(10 [pid 5023] close(9 [pid 5022] close(20 [pid 3503] <... openat resumed>) = 3 [pid 5026] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5025] close(6 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 5026] <... mmap resumed>) = 0x20000000 [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(11 [pid 5023] close(10 [pid 5022] close(21 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5026] close(3 [pid 5025] close(7 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5026] <... close resumed>) = 0 [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(12 [pid 5023] close(11 [pid 5022] close(22 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5026] close(4 [pid 5025] close(8 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5024] close(13 [pid 5023] close(12 [pid 5022] close(23 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./250/binderfs", [pid 5026] close(5 [pid 5025] close(9 [pid 5024] close(14 [pid 5023] close(13 [pid 5022] close(24 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./250/binderfs" [pid 5026] close(6 [pid 5025] close(10 [pid 5024] close(15 [pid 5023] close(14 [pid 5022] close(25 [pid 3503] <... unlink resumed>) = 0 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5026] close(7 [pid 5025] close(11 [pid 5024] close(16 [pid 5023] close(15 [pid 5022] close(26 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] close(8 [pid 5025] close(12 [pid 5024] close(17 [pid 5023] close(16 [pid 5022] close(27 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] close(9 [pid 5025] close(13 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] close(10 [pid 5025] close(14 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] close(11 [pid 5025] close(15 [pid 3503] lstat("./250/cgroup.net", [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5026] close(12 [pid 5025] close(16 [pid 5024] close(18 [pid 5023] close(17 [pid 5022] close(28 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./250/cgroup.net" [pid 5026] close(13 [pid 5025] close(17 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(19 [pid 3503] <... unlink resumed>) = 0 [pid 5026] close(14 [pid 5025] close(18 [pid 5023] close(18 [pid 5022] close(29 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] close(15 [pid 5025] close(19 [pid 5022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(20 [pid 5023] close(19 [pid 5022] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] close(16 [pid 5025] close(20 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./250/cgroup.cpu", [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(21 [pid 5023] close(20 [pid 5022] <... exit_group resumed>) = ? [pid 5026] close(17 [pid 5025] close(21 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(22 [pid 5023] close(21 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5026] close(18 [pid 5025] close(22 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(23 [pid 5023] close(22 [pid 5026] close(19 [pid 5025] close(23 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./250/cgroup.cpu" [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(24 [pid 5023] close(23 [pid 5022] +++ exited with 0 +++ [pid 5026] close(20 [pid 5025] close(24 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(25 [pid 5023] close(24 [pid 3503] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5026] close(21 [pid 5025] close(25 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(26 [pid 5023] close(25 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] close(22 [pid 5025] close(26 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(27 [pid 5023] close(26 [pid 3503] lstat("./250/cgroup", [pid 5026] close(23 [pid 5025] close(27 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(28 [pid 5023] close(27 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5026] close(24 [pid 5025] close(28 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./250/cgroup" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] close(29 [pid 5023] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5026] close(25 [pid 5025] close(29 [pid 5024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] <... openat resumed>) = 3 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5024] exit_group(0 [pid 5023] close(29 [pid 5026] close(26 [pid 5025] exit_group(0 [pid 5024] <... exit_group resumed>) = ? [pid 5023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] fstat(3, [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] <... exit_group resumed>) = ? [pid 5024] +++ exited with 0 +++ [pid 5023] exit_group(0 [pid 3503] close(3 [pid 5026] close(27 [pid 5025] +++ exited with 0 +++ [pid 5023] <... exit_group resumed>) = ? [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... close resumed>) = 0 [pid 3502] getdents64(3, [pid 5026] close(28 [pid 5023] +++ exited with 0 +++ [pid 3503] rmdir("./250" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] mkdir("./251", 0777 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] lstat("./248/binderfs", [pid 3500] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5026] close(29 [pid 3504] <... openat resumed>) = 3 [pid 5026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./248/binderfs" [pid 5026] exit_group(0 [pid 3504] fstat(3, [pid 3500] fstat(3, [pid 3502] <... unlink resumed>) = 0 [pid 5026] <... exit_group resumed>) = ? [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5027 attached [pid 3504] getdents64(3, [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 253 [pid 3502] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5027] set_robust_list(0x5555573195e0, 24 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5027] <... set_robust_list resumed>) = 0 [pid 5026] +++ exited with 0 +++ [pid 3504] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./248/cgroup.net", [pid 3501] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5027] chdir("./251" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5027] <... chdir resumed>) = 0 [pid 3504] lstat("./252/binderfs", [pid 3502] unlink("./248/cgroup.net" [pid 3501] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] lstat("./240/binderfs", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5027] <... prctl resumed>) = 0 [pid 3504] unlink("./252/binderfs" [pid 3502] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5027] setpgid(0, 0 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] unlink("./240/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5027] <... setpgid resumed>) = 0 [pid 3504] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./248/cgroup.cpu", [pid 3501] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5027] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 5027] <... symlink resumed>) = 0 [pid 3504] lstat("./252/cgroup.net", [pid 3502] unlink("./248/cgroup.cpu" [pid 3501] lstat("./243/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5027] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] lstat("./240/cgroup.net", [pid 3499] fstat(3, [pid 5027] <... symlink resumed>) = 0 [pid 3504] unlink("./252/cgroup.net" [pid 3502] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./243/binderfs" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5027] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./240/cgroup.net" [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5027] <... symlink resumed>) = 0 [pid 3504] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./248/cgroup", [pid 3501] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5027] <... openat resumed>) = 3 [pid 3504] lstat("./252/cgroup.cpu", [pid 3502] unlink("./248/cgroup" [pid 3501] lstat("./243/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5027] write(3, "1000", 4 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./240/cgroup.cpu", [pid 5027] <... write resumed>) = 4 [pid 3504] unlink("./252/cgroup.cpu" [pid 3502] getdents64(3, [pid 3501] unlink("./243/cgroup.net" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5027] close(3 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./240/cgroup.cpu" [pid 5027] <... close resumed>) = 0 [pid 3504] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 3501] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5027] read(200, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5027] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] lstat("./252/cgroup", [pid 3502] rmdir("./248" [pid 3501] lstat("./243/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./235/binderfs", [pid 5027] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./240/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5027] <... symlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./235/binderfs" [pid 5027] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] unlink("./252/cgroup" [pid 3502] mkdir("./249", 0777 [pid 3501] unlink("./243/cgroup.cpu" [pid 3500] unlink("./240/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5027] <... 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 3502] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5027] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] getdents64(3, [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3499] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5027] <... mmap resumed>) = 0x20002000 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5028 attached [pid 5027] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] close(3 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 251 [pid 3501] lstat("./243/cgroup", [pid 3500] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] set_robust_list(0x5555573195e0, 24 [pid 5027] <... mmap resumed>) = 0x20000000 [pid 3504] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... close resumed>) = 0 [pid 5028] <... set_robust_list resumed>) = 0 [pid 5027] close(3 [pid 3504] rmdir("./252" [pid 3501] unlink("./243/cgroup" [pid 3500] rmdir("./240" [pid 3499] lstat("./235/cgroup.net", [pid 5028] chdir("./249" [pid 5027] <... close resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5028] <... chdir resumed>) = 0 [pid 5027] close(4 [pid 3504] mkdir("./253", 0777 [pid 3501] getdents64(3, [pid 3500] mkdir("./241", 0777 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] unlink("./235/cgroup.net" [pid 5028] <... prctl resumed>) = 0 [pid 5027] close(5 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] close(3 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5029 attached [pid 5028] setpgid(0, 0 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5030 attached [pid 5029] set_robust_list(0x5555573195e0, 24 [pid 5028] <... setpgid resumed>) = 0 [pid 5027] close(6 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 255 [pid 3501] rmdir("./243" [pid 5030] set_robust_list(0x5555573195e0, 24 [pid 5029] <... set_robust_list resumed>) = 0 [pid 5028] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 243 [pid 3499] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... set_robust_list resumed>) = 0 [pid 5029] chdir("./253" [pid 5028] <... symlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] chdir("./241" [pid 5029] <... chdir resumed>) = 0 [pid 5028] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5027] close(7 [pid 3501] mkdir("./244", 0777 [pid 3499] lstat("./235/cgroup.cpu", [pid 5030] <... chdir resumed>) = 0 [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5028] <... symlink resumed>) = 0 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5029] <... prctl resumed>) = 0 [pid 5028] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5027] close(8 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] unlink("./235/cgroup.cpu" [pid 5030] <... prctl resumed>) = 0 [pid 5029] setpgid(0, 0 [pid 5028] <... symlink resumed>) = 0 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... unlink resumed>) = 0 [pid 5030] setpgid(0, 0 [pid 5029] <... setpgid resumed>) = 0 [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5027] close(9 [pid 3499] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5031 attached [pid 5030] <... setpgid resumed>) = 0 [pid 5029] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5028] <... openat resumed>) = 3 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] set_robust_list(0x5555573195e0, 24 [pid 5030] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5029] <... symlink resumed>) = 0 [pid 5028] write(3, "1000", 4 [pid 5027] close(10 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 246 [pid 5031] <... set_robust_list resumed>) = 0 [pid 5030] <... symlink resumed>) = 0 [pid 5029] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5028] <... write resumed>) = 4 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./235/cgroup", [pid 5031] chdir("./244" [pid 5030] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5029] <... symlink resumed>) = 0 [pid 5028] close(3 [pid 5027] close(11 [pid 5031] <... chdir resumed>) = 0 [pid 5030] <... symlink resumed>) = 0 [pid 5029] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5028] <... close resumed>) = 0 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5029] <... symlink resumed>) = 0 [pid 5028] read(200, [pid 5027] close(12 [pid 3499] unlink("./235/cgroup" [pid 5031] <... prctl resumed>) = 0 [pid 5030] <... symlink resumed>) = 0 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5028] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5031] setpgid(0, 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] <... openat resumed>) = 3 [pid 5028] symlink("/dev/binderfs", "./binderfs" [pid 5027] close(13 [pid 3499] getdents64(3, [pid 5031] <... setpgid resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] write(3, "1000", 4 [pid 5028] <... symlink resumed>) = 0 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5031] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5030] write(3, "1000", 4 [pid 5029] <... write resumed>) = 4 [pid 5028] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3499] close(3 [pid 5027] close(14 [pid 5031] <... symlink resumed>) = 0 [pid 5030] <... write resumed>) = 4 [pid 5029] close(3 [pid 5028] <... 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 3499] <... close resumed>) = 0 [pid 5031] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5030] close(3 [pid 5029] <... close resumed>) = 0 [pid 5028] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./235" [pid 5031] <... symlink resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 5029] read(200, [pid 5028] <... mmap resumed>) = 0x20002000 [pid 5027] close(15 [pid 3499] <... rmdir resumed>) = 0 [pid 5031] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5030] read(200, [pid 5029] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3499] mkdir("./236", 0777 [pid 5031] <... symlink resumed>) = 0 [pid 5030] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] symlink("/dev/binderfs", "./binderfs" [pid 5028] <... mmap resumed>) = 0x20000000 [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] symlink("/dev/binderfs", "./binderfs" [pid 5029] <... symlink resumed>) = 0 [pid 5028] close(3 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5032 attached [pid 5031] <... openat resumed>) = 3 [pid 5030] <... symlink resumed>) = 0 [pid 5029] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5028] <... close resumed>) = 0 [pid 5032] set_robust_list(0x5555573195e0, 24 [pid 5031] write(3, "1000", 4 [pid 5030] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5029] <... 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 5028] close(4 [pid 5027] close(16 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 238 [pid 5032] <... set_robust_list resumed>) = 0 [pid 5031] <... write resumed>) = 4 [pid 5030] <... 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 5029] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] chdir("./236" [pid 5031] close(3 [pid 5030] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5029] <... mmap resumed>) = 0x20002000 [pid 5028] close(5 [pid 5027] close(17 [pid 5032] <... chdir resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5030] <... mmap resumed>) = 0x20002000 [pid 5029] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] read(200, [pid 5030] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5029] <... mmap resumed>) = 0x20000000 [pid 5028] close(6 [pid 5032] <... prctl resumed>) = 0 [pid 5031] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... mmap resumed>) = 0x20000000 [pid 5029] close(3 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] setpgid(0, 0 [pid 5031] symlink("/dev/binderfs", "./binderfs" [pid 5030] close(3 [pid 5029] <... close resumed>) = 0 [pid 5028] close(7 [pid 5032] <... setpgid resumed>) = 0 [pid 5031] <... symlink resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 5029] close(4 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5031] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5030] close(4 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(8 [pid 5027] close(18 [pid 5032] <... symlink resumed>) = 0 [pid 5031] <... 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 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(5 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5031] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5030] close(5 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(9 [pid 5027] close(19 [pid 5032] <... symlink resumed>) = 0 [pid 5031] <... mmap resumed>) = 0x20002000 [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(6 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5031] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5030] close(6 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(10 [pid 5027] close(20 [pid 5032] <... symlink resumed>) = 0 [pid 5031] <... mmap resumed>) = 0x20000000 [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(7 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5031] close(3 [pid 5030] close(7 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(11 [pid 5027] close(21 [pid 5032] <... openat resumed>) = 3 [pid 5031] <... close resumed>) = 0 [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(8 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] write(3, "1000", 4 [pid 5031] close(4 [pid 5030] close(8 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(12 [pid 5027] close(22 [pid 5032] <... write resumed>) = 4 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(9 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5031] close(5 [pid 5030] close(9 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(13 [pid 5027] close(23 [pid 5032] <... close resumed>) = 0 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(10 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] read(200, [pid 5031] close(6 [pid 5030] close(10 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(14 [pid 5027] close(24 [pid 5032] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(11 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] symlink("/dev/binderfs", "./binderfs" [pid 5031] close(7 [pid 5030] close(11 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(15 [pid 5027] close(25 [pid 5032] <... symlink resumed>) = 0 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(12 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5031] close(8 [pid 5030] close(12 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(16 [pid 5027] close(26 [pid 5032] <... 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 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(13 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5031] close(9 [pid 5030] close(13 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(17 [pid 5027] close(27 [pid 5032] <... mmap resumed>) = 0x20002000 [pid 5032] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(14 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mmap resumed>) = 0x20000000 [pid 5031] close(10 [pid 5030] close(14 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(18 [pid 5027] close(28 [pid 5032] close(3 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(15 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] close(11 [pid 5030] close(15 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(19 [pid 5027] close(29 [pid 5032] close(4 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(16 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(12 [pid 5030] close(16 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(20 [pid 5027] exit_group(0 [pid 5032] close(5 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(17 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] <... exit_group resumed>) = ? [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(13 [pid 5030] close(17 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(21 [pid 5032] close(6 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(18 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(14 [pid 5030] close(18 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(22 [pid 5027] +++ exited with 0 +++ [pid 5032] close(7 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(19 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(15 [pid 5030] close(19 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(23 [pid 5032] close(8 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(20 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(16 [pid 5030] close(20 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(24 [pid 3503] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(9 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(21 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(17 [pid 5030] close(21 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(25 [pid 3503] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] close(10 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(22 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(18 [pid 5030] close(22 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(26 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(23 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 5032] close(11 [pid 5031] close(19 [pid 5030] close(23 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(27 [pid 3503] fstat(3, [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(24 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] close(12 [pid 5031] close(20 [pid 5030] close(24 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(28 [pid 3503] getdents64(3, [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(13 [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(25 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(21 [pid 5030] close(25 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(29 [pid 3503] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(14 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(26 [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(22 [pid 5030] close(26 [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] close(15 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(27 [pid 5028] <... exit_group resumed>) = ? [pid 3503] lstat("./251/binderfs", [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(16 [pid 5031] close(23 [pid 5030] close(27 [pid 5029] close(28 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] +++ exited with 0 +++ [pid 3503] unlink("./251/binderfs" [pid 5032] close(17 [pid 5031] close(24 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(28 [pid 5029] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(18 [pid 5031] close(25 [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(29 [pid 5029] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] close(19 [pid 5031] close(26 [pid 5030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... exit_group resumed>) = ? [pid 3503] lstat("./251/cgroup.net", [pid 3502] <... openat resumed>) = 3 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] exit_group(0 [pid 3502] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] getdents64(3, [pid 5032] close(20 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(27 [pid 5030] +++ exited with 0 +++ [pid 5029] +++ exited with 0 +++ [pid 3503] unlink("./251/cgroup.net" [pid 3502] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(21 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(28 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3503] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./249/binderfs", [pid 5032] close(22 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./251/cgroup.cpu", [pid 3502] unlink("./249/binderfs" [pid 3500] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(23 [pid 5031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] exit_group(0 [pid 3504] <... openat resumed>) = 3 [pid 3503] unlink("./251/cgroup.cpu" [pid 3502] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] close(24 [pid 5031] <... exit_group resumed>) = ? [pid 3504] fstat(3, [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./249/cgroup.net", [pid 3500] fstat(3, [pid 5032] close(25 [pid 3504] getdents64(3, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] lstat("./251/cgroup", [pid 3502] unlink("./249/cgroup.net" [pid 5032] close(26 [pid 3504] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] getdents64(3, [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./251/cgroup" [pid 3502] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5032] close(27 [pid 3504] lstat("./253/binderfs", [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] getdents64(3, [pid 3502] lstat("./249/cgroup.cpu", [pid 3500] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(28 [pid 3504] unlink("./253/binderfs" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] close(3 [pid 3502] unlink("./249/cgroup.cpu" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] close(29 [pid 3504] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... close resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] rmdir("./251" [pid 3502] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./241/binderfs", [pid 5032] exit_group(0 [pid 3504] lstat("./253/cgroup.net", [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] mkdir("./252", 0777 [pid 3502] lstat("./249/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] unlink("./253/cgroup.net" [pid 3503] <... mkdir resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] unlink("./241/binderfs" [pid 5032] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5033 attached [pid 3504] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] fstat(3, [pid 3500] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5033] set_robust_list(0x5555573195e0, 24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 254 [pid 3502] unlink("./249/cgroup" [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... set_robust_list resumed>) = 0 [pid 3504] lstat("./253/cgroup.cpu", [pid 3502] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] chdir("./252" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] lstat("./241/cgroup.net", [pid 5033] <... chdir resumed>) = 0 [pid 3504] unlink("./253/cgroup.cpu" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... unlink resumed>) = 0 [pid 3502] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./241/cgroup.net" [pid 5033] <... prctl resumed>) = 0 [pid 3501] lstat("./244/binderfs", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] setpgid(0, 0 [pid 3504] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... setpgid resumed>) = 0 [pid 3501] unlink("./244/binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./241/cgroup.cpu", [pid 5033] <... symlink resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./249" [pid 3501] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3504] lstat("./253/cgroup", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./241/cgroup.cpu" [pid 5033] <... symlink resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] lstat("./244/cgroup.net", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5033] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3504] unlink("./253/cgroup" [pid 3502] mkdir("./250", 0777 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... symlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./244/cgroup.net" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 3499] fstat(3, [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./241/cgroup", [pid 5033] <... openat resumed>) = 3 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5033] write(3, "1000", 4 [pid 3504] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./241/cgroup" [pid 5033] <... write resumed>) = 4 [pid 3501] lstat("./244/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 5033] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] getdents64(3, ./strace-static-x86_64: Process 5034 attached [pid 5033] <... close resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3501] unlink("./244/cgroup.cpu" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] getdents64(3, [pid 5034] set_robust_list(0x5555573195e0, 24 [pid 5033] read(200, [pid 3504] rmdir("./253" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 252 [pid 3501] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 5034] <... set_robust_list resumed>) = 0 [pid 5033] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... rmdir resumed>) = 0 [pid 3501] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5034] chdir("./250" [pid 5033] symlink("/dev/binderfs", "./binderfs" [pid 3504] mkdir("./254", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./241" [pid 3499] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5034] <... chdir resumed>) = 0 [pid 5033] <... symlink resumed>) = 0 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] lstat("./244/cgroup", [pid 3500] <... rmdir resumed>) = 0 [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [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] mkdir("./242", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5035 attached [pid 5034] <... prctl resumed>) = 0 [pid 5033] <... 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] unlink("./244/cgroup" [pid 3500] <... mkdir resumed>) = 0 [pid 5035] set_robust_list(0x5555573195e0, 24 [pid 5034] setpgid(0, 0 [pid 5033] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 256 [pid 3501] <... unlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./236/binderfs", ./strace-static-x86_64: Process 5036 attached [pid 5035] <... set_robust_list resumed>) = 0 [pid 5034] <... setpgid resumed>) = 0 [pid 5033] <... mmap resumed>) = 0x20002000 [pid 3501] getdents64(3, [pid 5036] set_robust_list(0x5555573195e0, 24 [pid 5035] chdir("./254" [pid 5034] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5033] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 244 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5036] <... set_robust_list resumed>) = 0 [pid 5035] <... chdir resumed>) = 0 [pid 5034] <... symlink resumed>) = 0 [pid 5033] <... mmap resumed>) = 0x20000000 [pid 3501] close(3 [pid 5036] chdir("./242" [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5034] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5033] close(3 [pid 3501] <... close resumed>) = 0 [pid 3499] unlink("./236/binderfs" [pid 5036] <... chdir resumed>) = 0 [pid 5035] <... prctl resumed>) = 0 [pid 5034] <... symlink resumed>) = 0 [pid 5033] <... close resumed>) = 0 [pid 3501] rmdir("./244" [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5035] setpgid(0, 0 [pid 5034] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5033] close(4 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5036] <... prctl resumed>) = 0 [pid 5035] <... setpgid resumed>) = 0 [pid 5034] <... symlink resumed>) = 0 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./245", 0777 [pid 5036] setpgid(0, 0 [pid 5035] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] close(5 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5036] <... setpgid resumed>) = 0 [pid 5035] <... symlink resumed>) = 0 [pid 5034] <... openat resumed>) = 3 [pid 5033] <... 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 5037 attached [pid 5036] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5035] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5034] write(3, "1000", 4 [pid 5033] close(6 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] set_robust_list(0x5555573195e0, 24 [pid 5036] <... symlink resumed>) = 0 [pid 5035] <... symlink resumed>) = 0 [pid 5034] <... write resumed>) = 4 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 247 [pid 3499] lstat("./236/cgroup.net", [pid 5037] <... set_robust_list resumed>) = 0 [pid 5036] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5035] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5034] close(3 [pid 5033] close(7 [pid 5037] chdir("./245" [pid 5036] <... symlink resumed>) = 0 [pid 5035] <... symlink resumed>) = 0 [pid 5034] <... close resumed>) = 0 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5037] <... chdir resumed>) = 0 [pid 5036] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5034] read(200, [pid 5033] close(8 [pid 3499] unlink("./236/cgroup.net" [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5036] <... symlink resumed>) = 0 [pid 5035] <... openat resumed>) = 3 [pid 5034] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... prctl resumed>) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5035] write(3, "1000", 4 [pid 5034] symlink("/dev/binderfs", "./binderfs" [pid 5033] close(9 [pid 3499] <... unlink resumed>) = 0 [pid 5037] setpgid(0, 0 [pid 5036] <... openat resumed>) = 3 [pid 5035] <... write resumed>) = 4 [pid 5034] <... symlink resumed>) = 0 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... setpgid resumed>) = 0 [pid 5036] write(3, "1000", 4 [pid 5035] close(3 [pid 5034] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5033] close(10 [pid 3499] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5037] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5036] <... write resumed>) = 4 [pid 5035] <... close resumed>) = 0 [pid 5034] <... 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 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] <... symlink resumed>) = 0 [pid 5036] close(3 [pid 5035] read(200, [pid 5034] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5033] close(11 [pid 5037] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5036] <... close resumed>) = 0 [pid 5035] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... mmap resumed>) = 0x20002000 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./236/cgroup.cpu", [pid 5037] <... symlink resumed>) = 0 [pid 5036] read(200, [pid 5035] symlink("/dev/binderfs", "./binderfs" [pid 5034] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5033] close(12 [pid 5037] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5036] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5035] <... symlink resumed>) = 0 [pid 5034] <... mmap resumed>) = 0x20000000 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5037] <... symlink resumed>) = 0 [pid 5036] symlink("/dev/binderfs", "./binderfs" [pid 5035] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5034] close(3 [pid 5033] close(13 [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5036] <... symlink resumed>) = 0 [pid 5035] <... 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 5034] <... close resumed>) = 0 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./236/cgroup.cpu" [pid 5037] <... openat resumed>) = 3 [pid 5036] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5035] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5034] close(4 [pid 5033] close(14 [pid 5037] write(3, "1000", 4 [pid 5036] <... 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 5035] <... mmap resumed>) = 0x20002000 [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5037] <... write resumed>) = 4 [pid 5036] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5035] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5034] close(5 [pid 5033] close(15 [pid 3499] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5037] close(3 [pid 5036] <... mmap resumed>) = 0x20002000 [pid 5035] <... mmap resumed>) = 0x20000000 [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... close resumed>) = 0 [pid 5036] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5035] close(3 [pid 5034] close(6 [pid 5033] close(16 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] read(200, [pid 5036] <... mmap resumed>) = 0x20000000 [pid 5035] <... close resumed>) = 0 [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] close(3 [pid 5035] close(4 [pid 5034] close(7 [pid 5033] close(17 [pid 3499] lstat("./236/cgroup", [pid 5037] symlink("/dev/binderfs", "./binderfs" [pid 5036] <... close resumed>) = 0 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... symlink resumed>) = 0 [pid 5036] close(4 [pid 5035] close(5 [pid 5034] close(8 [pid 5033] close(18 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5037] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... 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 5036] close(5 [pid 5035] close(6 [pid 5034] close(9 [pid 5033] close(19 [pid 3499] unlink("./236/cgroup" [pid 5037] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... mmap resumed>) = 0x20002000 [pid 5036] close(6 [pid 5035] close(7 [pid 5034] close(10 [pid 5033] close(20 [pid 3499] <... unlink resumed>) = 0 [pid 5037] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] <... mmap resumed>) = 0x20000000 [pid 5036] close(7 [pid 5035] close(8 [pid 5034] close(11 [pid 5033] close(21 [pid 3499] getdents64(3, [pid 5037] close(3 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5037] <... close resumed>) = 0 [pid 5036] close(8 [pid 5035] close(9 [pid 5034] close(12 [pid 5033] close(22 [pid 3499] close(3 [pid 5037] close(4 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... close resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(9 [pid 5035] close(10 [pid 5034] close(13 [pid 5033] close(23 [pid 5037] close(5 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./236" [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(10 [pid 5035] close(11 [pid 5034] close(14 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] close(6 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(24 [pid 3499] <... rmdir resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(11 [pid 5035] close(12 [pid 5034] close(15 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./237", 0777 [pid 5037] close(7 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(25 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(12 [pid 5035] close(13 [pid 5034] close(16 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5037] close(8 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(26 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(13 [pid 5035] close(14 [pid 5034] close(17 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5038 attached [pid 5037] close(9 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(27 [pid 5038] set_robust_list(0x5555573195e0, 24 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(14 [pid 5035] close(15 [pid 5034] close(18 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] <... set_robust_list resumed>) = 0 [pid 5037] close(10 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(28 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 239 [pid 5038] chdir("./237" [pid 5036] close(15 [pid 5038] <... chdir resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(16 [pid 5034] close(19 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5037] close(11 [pid 5036] close(16 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(29 [pid 5038] <... prctl resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(17 [pid 5034] close(20 [pid 5038] setpgid(0, 0 [pid 5037] close(12 [pid 5036] close(17 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] <... setpgid resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(18 [pid 5034] close(21 [pid 5033] exit_group(0 [pid 5038] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5037] close(13 [pid 5036] close(18 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... exit_group resumed>) = ? [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] <... symlink resumed>) = 0 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(19 [pid 5034] close(22 [pid 5036] close(19) = -1 EBADF (Bad file descriptor) [pid 5036] close(20 [pid 5038] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5037] close(14 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] +++ exited with 0 +++ [pid 5038] <... symlink resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(21 [pid 5035] close(20 [pid 5034] close(23 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5038] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5037] close(15 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] <... symlink resumed>) = 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(22 [pid 5035] close(21 [pid 5034] close(24 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5037] close(16 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5038] <... openat resumed>) = 3 [pid 5036] close(23 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] write(3, "1000", 4 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(22 [pid 5034] close(25 [pid 3503] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] <... write resumed>) = 4 [pid 5037] close(17 [pid 5036] close(24 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] close(3 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(23 [pid 5034] close(26 [pid 3503] <... openat resumed>) = 3 [pid 5038] <... close resumed>) = 0 [pid 5037] close(18 [pid 5036] close(25 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 5038] read(200, [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(24 [pid 5034] close(27 [pid 5038] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] close(19 [pid 5036] close(26 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5038] symlink("/dev/binderfs", "./binderfs" [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(25 [pid 5034] close(28 [pid 5038] <... symlink resumed>) = 0 [pid 5037] close(20 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(27 [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5038] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(26 [pid 5034] close(29 [pid 5038] <... 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 5037] close(21 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5038] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(27 [pid 5034] exit_group(0 [pid 5038] <... mmap resumed>) = 0x20002000 [pid 5037] close(22 [pid 5036] close(28 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5034] <... exit_group resumed>) = ? [pid 3503] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5038] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(28 [pid 5034] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... mmap resumed>) = 0x20000000 [pid 5037] close(23 [pid 5036] close(29 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5038] close(3 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(29 [pid 3503] lstat("./252/binderfs", [pid 5038] <... close resumed>) = 0 [pid 5037] close(24 [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5038] close(4 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] exit_group(0 [pid 5035] exit_group(0 [pid 3503] unlink("./252/binderfs" [pid 3502] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] close(25 [pid 5036] <... exit_group resumed>) = ? [pid 5035] <... exit_group resumed>) = ? [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] close(5 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] +++ exited with 0 +++ [pid 5035] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3503] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] close(26 [pid 3503] lstat("./252/cgroup.net", [pid 3502] <... openat resumed>) = 3 [pid 5038] close(6 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] fstat(3, [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] close(27 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] unlink("./252/cgroup.net" [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5038] close(7 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3503] <... unlink resumed>) = 0 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] close(28 [pid 3503] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3500] <... restart_syscall resumed>) = 0 [pid 5038] close(8 [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./252/cgroup.cpu", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5038] close(9 [pid 5037] close(29 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./252/cgroup.cpu" [pid 5037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] close(10 [pid 5037] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./250/binderfs", [pid 5037] <... exit_group resumed>) = ? [pid 5038] close(11 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./252/cgroup", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] unlink("./252/cgroup") = 0 [pid 3503] getdents64(3, 0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5037] +++ exited with 0 +++ [pid 3504] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] close(3 [pid 3502] unlink("./250/binderfs" [pid 3500] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] close(12 [pid 3504] <... openat resumed>) = 3 [pid 3503] <... close resumed>) = 0 [pid 3503] rmdir("./252" [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] <... rmdir resumed>) = 0 [pid 3502] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] fstat(3, [pid 5038] close(13 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] mkdir("./253", 0777 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... mkdir resumed>) = 0 [pid 3502] lstat("./250/cgroup.net", [pid 3500] getdents64(3, [pid 5038] close(14 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./250/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5039 attached [pid 5038] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5039] set_robust_list(0x5555573195e0, 24 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./254/binderfs", [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 255 [pid 3502] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 3500] lstat("./242/binderfs", [pid 5039] <... set_robust_list resumed>) = 0 [pid 5038] close(16 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5039] chdir("./253" [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./254/binderfs" [pid 3502] lstat("./250/cgroup.cpu", [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] unlink("./242/binderfs" [pid 5039] <... chdir resumed>) = 0 [pid 5038] close(17 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./250/cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] <... prctl resumed>) = 0 [pid 5038] close(18 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./254/cgroup.net", [pid 3502] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5039] setpgid(0, 0 [pid 3500] lstat("./242/cgroup.net", [pid 5038] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./245/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5039] <... setpgid resumed>) = 0 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./254/cgroup.net" [pid 3502] lstat("./250/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./242/cgroup.net" [pid 5039] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5038] close(20 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./245/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 5039] <... symlink resumed>) = 0 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./250/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5038] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./254/cgroup.cpu", [pid 3502] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./242/cgroup.cpu", [pid 5039] <... symlink resumed>) = 0 [pid 5038] close(22 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./245/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5039] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./254/cgroup.cpu" [pid 3502] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./242/cgroup.cpu" [pid 5039] <... symlink resumed>) = 0 [pid 5038] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] unlink("./245/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] rmdir("./250" [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] <... openat resumed>) = 3 [pid 5038] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5039] write(3, "1000", 4 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./254/cgroup", [pid 3502] mkdir("./251", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./242/cgroup", [pid 5039] <... write resumed>) = 4 [pid 5038] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] lstat("./245/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5039] close(3 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./254/cgroup" [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./242/cgroup"./strace-static-x86_64: Process 5040 attached [pid 5039] <... close resumed>) = 0 [pid 5038] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./245/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5040] set_robust_list(0x5555573195e0, 24 [pid 5039] read(200, [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 253 [pid 3501] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5040] <... set_robust_list resumed>) = 0 [pid 5039] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5038] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5040] chdir("./251" [pid 5039] symlink("/dev/binderfs", "./binderfs" [pid 5040] <... chdir resumed>) = 0 [pid 5039] <... symlink resumed>) = 0 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] close(3 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5039] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5038] close(28 [pid 3504] <... close resumed>) = 0 [pid 3501] lstat("./245/cgroup", [pid 3500] <... close resumed>) = 0 [pid 5040] <... prctl resumed>) = 0 [pid 5039] <... 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 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./254" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5039] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5040] setpgid(0, 0 [pid 5039] <... mmap resumed>) = 0x20002000 [pid 5038] close(29 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] unlink("./245/cgroup" [pid 3500] rmdir("./242" [pid 5040] <... setpgid resumed>) = 0 [pid 5039] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5040] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5039] <... mmap resumed>) = 0x20000000 [pid 5038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./255", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5040] <... symlink resumed>) = 0 [pid 5039] close(3 [pid 5040] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5039] <... close resumed>) = 0 [pid 5038] exit_group(0 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] mkdir("./243", 0777 [pid 5039] close(4 [pid 5040] <... symlink resumed>) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] <... exit_group resumed>) = ? [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5040] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5039] close(5 [pid 3500] <... mkdir resumed>) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] close(6) = -1 EBADF (Bad file descriptor) [pid 5039] close(7) = -1 EBADF (Bad file descriptor) [pid 5039] close(8) = -1 EBADF (Bad file descriptor) [pid 5040] <... symlink resumed>) = 0 [pid 5039] close(9 [pid 3501] close(3 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5039] close(10 [pid 3501] <... close resumed>) = 0 [pid 5040] <... openat resumed>) = 3 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] close(11) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5041 attached [pid 5040] write(3, "1000", 4 [pid 5039] close(12 [pid 3501] rmdir("./245"./strace-static-x86_64: Process 5042 attached [pid 5041] set_robust_list(0x5555573195e0, 24 [pid 5040] <... write resumed>) = 4 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] +++ exited with 0 +++ [pid 3501] <... rmdir resumed>) = 0 [pid 5042] set_robust_list(0x5555573195e0, 24 [pid 5041] <... set_robust_list resumed>) = 0 [pid 5040] close(3 [pid 5039] close(13 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 257 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 245 [pid 5042] <... set_robust_list resumed>) = 0 [pid 5041] chdir("./243" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./246", 0777 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5042] chdir("./255" [pid 5041] <... chdir resumed>) = 0 [pid 5040] <... close resumed>) = 0 [pid 5039] close(14 [pid 5042] <... chdir resumed>) = 0 [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5040] read(200, [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5041] <... prctl resumed>) = 0 [pid 5040] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5039] close(15 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5042] <... prctl resumed>) = 0 [pid 5041] setpgid(0, 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... setpgid resumed>) = 0 [pid 5039] close(16 [pid 5041] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5040] symlink("/dev/binderfs", "./binderfs" [pid 5042] setpgid(0, 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... symlink resumed>) = 0 [pid 5039] close(17 [pid 5041] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5043 attached [pid 5041] <... symlink resumed>) = 0 [pid 5040] <... symlink resumed>) = 0 [pid 5039] close(18 [pid 3499] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] set_robust_list(0x5555573195e0, 24 [pid 5042] <... setpgid resumed>) = 0 [pid 5041] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5043] <... set_robust_list resumed>) = 0 [pid 5041] <... symlink resumed>) = 0 [pid 5039] close(19 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 248 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] chdir("./246" [pid 5042] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5040] <... 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 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... chdir resumed>) = 0 [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... openat resumed>) = 3 [pid 5039] close(20 [pid 3499] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5040] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5042] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5041] write(3, "1000", 4 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... prctl resumed>) = 0 [pid 5041] <... write resumed>) = 4 [pid 5039] close(21 [pid 3499] <... openat resumed>) = 3 [pid 5043] setpgid(0, 0 [pid 5041] close(3 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... setpgid resumed>) = 0 [pid 5041] <... close resumed>) = 0 [pid 5039] close(22 [pid 5043] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5041] read(200, [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5040] <... mmap resumed>) = 0x20002000 [pid 5039] close(23 [pid 5043] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5042] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5041] symlink("/dev/binderfs", "./binderfs" [pid 5040] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... symlink resumed>) = 0 [pid 5040] <... mmap resumed>) = 0x20000000 [pid 5039] close(24 [pid 5043] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5041] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5040] close(3 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... openat resumed>) = 3 [pid 5041] <... 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 5040] <... close resumed>) = 0 [pid 5039] close(25 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5042] write(3, "1000", 4 [pid 5041] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] close(4 [pid 5043] <... openat resumed>) = 3 [pid 5042] <... write resumed>) = 4 [pid 5041] <... mmap resumed>) = 0x20002000 [pid 5039] close(26 [pid 3499] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] write(3, "1000", 4 [pid 5042] close(3 [pid 5041] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] <... write resumed>) = 4 [pid 5042] <... close resumed>) = 0 [pid 5041] <... mmap resumed>) = 0x20000000 [pid 5040] close(5 [pid 5039] close(27 [pid 5043] close(3 [pid 5042] read(200, [pid 5041] close(3 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./237/binderfs", [pid 5043] <... close resumed>) = 0 [pid 5042] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5041] <... close resumed>) = 0 [pid 5039] close(28 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5043] read(200, [pid 5042] symlink("/dev/binderfs", "./binderfs" [pid 5041] close(4 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./237/binderfs" [pid 5043] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] close(29 [pid 3499] <... unlink resumed>) = 0 [pid 5043] symlink("/dev/binderfs", "./binderfs" [pid 5042] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5041] close(5 [pid 5040] close(6 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... 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 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] exit_group(0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5042] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5041] close(6 [pid 5040] close(7 [pid 5039] <... exit_group resumed>) = ? [pid 3499] lstat("./237/cgroup.net", [pid 5043] <... 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 5042] <... mmap resumed>) = 0x20002000 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] +++ exited with 0 +++ [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5043] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5042] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5041] close(7 [pid 5040] close(8 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] unlink("./237/cgroup.net" [pid 5043] <... mmap resumed>) = 0x20002000 [pid 5042] <... mmap resumed>) = 0x20000000 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5043] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5042] close(3 [pid 5041] close(8 [pid 5040] close(9 [pid 3499] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] <... mmap resumed>) = 0x20000000 [pid 5042] <... close resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] close(3 [pid 5042] close(4 [pid 5041] close(9 [pid 5040] close(10 [pid 3499] lstat("./237/cgroup.cpu", [pid 5043] <... close resumed>) = 0 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5043] close(4 [pid 5042] close(5 [pid 5041] close(10 [pid 5040] close(11 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./237/cgroup.cpu" [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... unlink resumed>) = 0 [pid 5043] close(5 [pid 5042] close(6 [pid 5041] close(11 [pid 5040] close(12 [pid 3499] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] close(6 [pid 5042] close(7 [pid 5041] close(12 [pid 5040] close(13 [pid 3503] fstat(3, [pid 3499] lstat("./237/cgroup", [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5043] close(7 [pid 5042] close(8 [pid 5041] close(13 [pid 5040] close(14 [pid 3499] unlink("./237/cgroup" [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3499] <... unlink resumed>) = 0 [pid 5043] close(8 [pid 5042] close(9 [pid 5041] close(14 [pid 5040] close(15 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] getdents64(3, [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5043] close(9 [pid 5042] close(10 [pid 5041] close(15 [pid 5040] close(16 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] close(3 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./253/binderfs", [pid 3499] <... close resumed>) = 0 [pid 5043] close(10 [pid 5042] close(11 [pid 5041] close(16 [pid 5040] close(17 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] rmdir("./237" [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./253/binderfs" [pid 3499] <... rmdir resumed>) = 0 [pid 5043] close(11 [pid 5042] close(12 [pid 5041] close(17 [pid 5040] close(18 [pid 3503] <... unlink resumed>) = 0 [pid 3499] mkdir("./238", 0777 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... mkdir resumed>) = 0 [pid 5043] close(12 [pid 5042] close(13 [pid 5041] close(18 [pid 5040] close(19 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5044 attached [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] set_robust_list(0x5555573195e0, 24 [pid 5043] close(13 [pid 5042] close(14 [pid 5041] close(19 [pid 5040] close(20 [pid 3503] lstat("./253/cgroup.net", [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 240 [pid 5044] <... set_robust_list resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5044] chdir("./238" [pid 5043] close(14 [pid 5042] close(15 [pid 5041] close(20 [pid 5040] close(21 [pid 3503] unlink("./253/cgroup.net" [pid 5044] <... chdir resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5043] close(15 [pid 5042] close(16 [pid 5041] close(21 [pid 5040] close(22 [pid 3503] <... unlink resumed>) = 0 [pid 5044] <... prctl resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] setpgid(0, 0 [pid 5043] close(16 [pid 5042] close(17 [pid 5041] close(22 [pid 5040] close(23 [pid 5044] <... setpgid resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5043] close(17 [pid 5042] close(18 [pid 5041] close(23 [pid 5040] close(24 [pid 5044] <... symlink resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5043] close(18 [pid 5042] close(19 [pid 5041] close(24 [pid 5040] close(25 [pid 5044] <... symlink resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./253/cgroup.cpu", [pid 5044] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5043] close(19 [pid 5042] close(20 [pid 5041] close(25 [pid 5040] close(26 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5044] <... symlink resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5043] close(20 [pid 5042] close(21 [pid 5041] close(26 [pid 5040] close(27 [pid 5044] <... openat resumed>) = 3 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./253/cgroup.cpu" [pid 5044] write(3, "1000", 4 [pid 5043] close(21 [pid 5042] close(22 [pid 5041] close(27 [pid 5040] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 5044] <... write resumed>) = 4 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] close(3 [pid 5043] close(22 [pid 5042] close(23 [pid 5041] close(28 [pid 5040] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... close resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./253/cgroup", [pid 5044] read(200, [pid 5043] close(23 [pid 5042] close(24 [pid 5041] close(29 [pid 5040] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5044] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5040] <... exit_group resumed>) = ? [pid 3503] unlink("./253/cgroup" [pid 5044] symlink("/dev/binderfs", "./binderfs" [pid 5043] close(24 [pid 5042] close(25 [pid 5041] exit_group(0 [pid 5040] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 5044] <... symlink resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... exit_group resumed>) = ? [pid 3503] getdents64(3, [pid 5044] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5043] close(25 [pid 5042] close(26 [pid 5041] +++ exited with 0 +++ [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5044] <... 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 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5044] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5043] close(26 [pid 5042] close(27 [pid 3503] close(3 [pid 5044] <... mmap resumed>) = 0x20002000 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5044] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5043] close(27 [pid 5042] close(28 [pid 3503] rmdir("./253" [pid 3502] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5044] <... mmap resumed>) = 0x20000000 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5044] close(3 [pid 5043] close(28 [pid 5042] close(29 [pid 3503] mkdir("./254", 0777 [pid 3502] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] <... close resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] close(4 [pid 5043] close(29 [pid 5042] exit_group(0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... openat resumed>) = 3 [pid 3500] lstat("./243/binderfs", [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5042] <... exit_group resumed>) = ? [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5043] exit_group(0 [pid 3500] unlink("./243/binderfs" [pid 5043] <... exit_group resumed>) = ? [pid 3500] <... unlink resumed>) = 0 [pid 5044] close(5 [pid 5043] +++ exited with 0 +++ [pid 5042] +++ exited with 0 +++ [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5045 attached [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] getdents64(3, [pid 3500] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] close(6 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 256 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5045] set_robust_list(0x5555573195e0, 24 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... set_robust_list resumed>) = 0 [pid 5044] close(7 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./243/cgroup.net", [pid 5045] chdir("./254" [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./251/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5045] <... chdir resumed>) = 0 [pid 3500] unlink("./243/cgroup.net" [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5044] close(8 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5045] <... prctl resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] setpgid(0, 0 [pid 3502] unlink("./251/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... setpgid resumed>) = 0 [pid 5044] close(9 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] lstat("./243/cgroup.cpu", [pid 5045] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... unlink resumed>) = 0 [pid 5045] <... symlink resumed>) = 0 [pid 5044] close(10 [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5045] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3500] unlink("./243/cgroup.cpu" [pid 5045] <... symlink resumed>) = 0 [pid 5044] close(11 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] lstat("./251/cgroup.net", [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5045] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5045] <... symlink resumed>) = 0 [pid 5044] close(12 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] unlink("./251/cgroup.net" [pid 3501] getdents64(3, [pid 3500] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5044] close(13 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... openat resumed>) = 3 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./255/binderfs", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./243/cgroup", [pid 5045] write(3, "1000", 4 [pid 5044] close(14 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] lstat("./251/cgroup.cpu", [pid 5045] <... write resumed>) = 4 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./255/binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5045] close(3 [pid 5044] close(15 [pid 3504] <... unlink resumed>) = 0 [pid 3502] unlink("./251/cgroup.cpu" [pid 5045] <... close resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./246/binderfs", [pid 3500] unlink("./243/cgroup" [pid 5045] read(200, [pid 5044] close(16 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./255/cgroup.net", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5045] symlink("/dev/binderfs", "./binderfs" [pid 5044] close(17 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] lstat("./251/cgroup", [pid 3501] unlink("./246/binderfs" [pid 3500] getdents64(3, [pid 5045] <... symlink resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./255/cgroup.net" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5045] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5044] close(18 [pid 3504] <... unlink resumed>) = 0 [pid 3502] unlink("./251/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5045] <... 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 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] close(3 [pid 5045] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5044] close(19 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./255/cgroup.cpu", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5044] close(20 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] close(3 [pid 3500] <... close resumed>) = 0 [pid 5045] <... mmap resumed>) = 0x20002000 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./255/cgroup.cpu" [pid 3502] <... close resumed>) = 0 [pid 3501] lstat("./246/cgroup.net", [pid 5044] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3502] rmdir("./251" [pid 5045] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] rmdir("./243" [pid 5045] <... mmap resumed>) = 0x20000000 [pid 5044] close(22 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] mkdir("./252", 0777 [pid 3501] unlink("./246/cgroup.net" [pid 5045] close(3 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./255/cgroup", [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5045] <... close resumed>) = 0 [pid 5044] close(23 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... unlink resumed>) = 0 [pid 5045] close(4 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./255/cgroup" [pid 3501] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] mkdir("./244", 0777./strace-static-x86_64: Process 5046 attached [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] close(24 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... mkdir resumed>) = 0 [pid 5046] set_robust_list(0x5555573195e0, 24 [pid 5045] close(5 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 254 [pid 5046] <... set_robust_list resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] close(25 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./246/cgroup.cpu", [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] chdir("./252" [pid 5045] close(6 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 5046] <... chdir resumed>) = 0 [pid 5044] close(26 [pid 3504] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./255"./strace-static-x86_64: Process 5047 attached [pid 5046] <... prctl resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] close(27 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] unlink("./246/cgroup.cpu" [pid 5047] set_robust_list(0x5555573195e0, 24 [pid 5046] setpgid(0, 0 [pid 5045] close(7 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./256", 0777 [pid 5047] <... set_robust_list resumed>) = 0 [pid 5046] <... setpgid resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] close(28 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 246 [pid 5047] chdir("./244" [pid 5046] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5045] close(8 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5048 attached [pid 5047] <... chdir resumed>) = 0 [pid 5046] <... symlink resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] set_robust_list(0x5555573195e0, 24 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5046] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5045] close(9 [pid 3501] lstat("./246/cgroup", [pid 5048] <... set_robust_list resumed>) = 0 [pid 5047] <... prctl resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 258 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5048] chdir("./256" [pid 5047] setpgid(0, 0 [pid 5046] <... symlink resumed>) = 0 [pid 5045] close(10 [pid 5044] exit_group(0 [pid 3501] unlink("./246/cgroup" [pid 5048] <... chdir resumed>) = 0 [pid 5047] <... setpgid resumed>) = 0 [pid 5046] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... exit_group resumed>) = ? [pid 3501] <... unlink resumed>) = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5045] close(11 [pid 3501] getdents64(3, [pid 5048] <... prctl resumed>) = 0 [pid 5047] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5046] <... symlink resumed>) = 0 [pid 5044] +++ exited with 0 +++ [pid 5048] setpgid(0, 0 [pid 5047] <... symlink resumed>) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5048] <... setpgid resumed>) = 0 [pid 5047] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5045] close(12 [pid 3501] close(3 [pid 5048] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5046] <... openat resumed>) = 3 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 5048] <... symlink resumed>) = 0 [pid 5047] <... symlink resumed>) = 0 [pid 5046] write(3, "1000", 4 [pid 5045] close(13 [pid 3501] rmdir("./246" [pid 5048] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5047] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5046] <... write resumed>) = 4 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 5048] <... symlink resumed>) = 0 [pid 5045] close(14 [pid 3501] mkdir("./247", 0777 [pid 5048] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5047] <... symlink resumed>) = 0 [pid 5046] close(3 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3499] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5048] <... symlink resumed>) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5046] <... close resumed>) = 0 [pid 5045] close(15 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5047] <... openat resumed>) = 3 [pid 5046] read(200, [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5048] <... openat resumed>) = 3 [pid 5047] write(3, "1000", 4 [pid 5046] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5045] close(16 [pid 3499] <... openat resumed>) = 3 [pid 5048] write(3, "1000", 4 [pid 5047] <... write resumed>) = 4 [pid 5046] symlink("/dev/binderfs", "./binderfs" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, ./strace-static-x86_64: Process 5049 attached [pid 5048] <... write resumed>) = 4 [pid 5047] close(3 [pid 5046] <... symlink resumed>) = 0 [pid 5045] close(17 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5049] set_robust_list(0x5555573195e0, 24 [pid 5048] close(3 [pid 5047] <... close resumed>) = 0 [pid 5046] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 249 [pid 3499] getdents64(3, [pid 5049] <... set_robust_list resumed>) = 0 [pid 5048] <... close resumed>) = 0 [pid 5047] read(200, [pid 5046] <... 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 5045] close(18 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5049] chdir("./247" [pid 5048] read(200, [pid 5047] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5046] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... chdir resumed>) = 0 [pid 5048] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5045] close(19 [pid 5047] symlink("/dev/binderfs", "./binderfs" [pid 3499] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5048] symlink("/dev/binderfs", "./binderfs" [pid 5046] <... mmap resumed>) = 0x20002000 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... prctl resumed>) = 0 [pid 5048] <... symlink resumed>) = 0 [pid 5047] <... symlink resumed>) = 0 [pid 5046] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5045] close(20 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] setpgid(0, 0 [pid 5048] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5047] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5046] <... mmap resumed>) = 0x20000000 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./238/binderfs", [pid 5049] <... setpgid resumed>) = 0 [pid 5048] <... 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 5047] <... 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 5046] close(3 [pid 5045] close(21 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5049] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5048] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5047] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5046] <... close resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./238/binderfs" [pid 5049] <... symlink resumed>) = 0 [pid 5048] <... mmap resumed>) = 0x20002000 [pid 5047] <... mmap resumed>) = 0x20002000 [pid 5046] close(4 [pid 3499] <... unlink resumed>) = 0 [pid 5049] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5047] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] <... symlink resumed>) = 0 [pid 5048] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5047] <... mmap resumed>) = 0x20000000 [pid 5046] close(5 [pid 5045] close(22 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5047] close(3 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./238/cgroup.net", [pid 5049] <... symlink resumed>) = 0 [pid 5048] <... mmap resumed>) = 0x20000000 [pid 5047] <... close resumed>) = 0 [pid 5046] close(6 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5048] close(3 [pid 5047] close(4 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] close(23 [pid 3499] unlink("./238/cgroup.net" [pid 5049] <... openat resumed>) = 3 [pid 5048] <... close resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(7 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5049] write(3, "1000", 4 [pid 5048] close(4 [pid 5047] close(5 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] close(24 [pid 3499] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] <... write resumed>) = 4 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(8 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] close(3 [pid 5048] close(5 [pid 5047] close(6 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./238/cgroup.cpu", [pid 5049] <... close resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(9 [pid 5045] close(25 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5049] read(200, [pid 5048] close(6 [pid 5047] close(7 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./238/cgroup.cpu" [pid 5049] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(10 [pid 5045] close(26 [pid 3499] <... unlink resumed>) = 0 [pid 5049] symlink("/dev/binderfs", "./binderfs" [pid 5048] close(7 [pid 5047] close(8 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] <... symlink resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(11 [pid 5045] close(27 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5048] close(8 [pid 5047] close(9 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./238/cgroup", [pid 5049] <... 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 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(12 [pid 5045] close(28 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5049] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5048] close(9 [pid 5047] close(10 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./238/cgroup" [pid 5049] <... mmap resumed>) = 0x20002000 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(13 [pid 5045] close(29 [pid 3499] <... unlink resumed>) = 0 [pid 5049] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5047] close(11 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5049] <... mmap resumed>) = 0x20000000 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(14 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5049] close(3 [pid 5047] close(12 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5049] <... close resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(15 [pid 3499] <... close resumed>) = 0 [pid 5049] close(4 [pid 5047] close(13 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./238" [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(10 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(16 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... rmdir resumed>) = 0 [pid 5049] close(5 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(14 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] exit_group(0 [pid 3499] mkdir("./239", 0777 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(17 [pid 3499] <... mkdir resumed>) = 0 [pid 5048] close(11 [pid 5049] close(6 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(15 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] <... exit_group resumed>) = ? [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5050 attached [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(12 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(18 [pid 5050] set_robust_list(0x5555573195e0, 24 [pid 5049] close(7 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(16 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] +++ exited with 0 +++ [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 241 [pid 5050] <... set_robust_list resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(13 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(19 [pid 5050] chdir("./239" [pid 5049] close(8 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(17 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5050] <... chdir resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(14 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(20 [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5049] close(9 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(18 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... restart_syscall resumed>) = 0 [pid 5050] <... prctl resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(15 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(21 [pid 5050] setpgid(0, 0 [pid 5049] close(10 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(19 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5050] <... setpgid resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(16 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(22 [pid 3503] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5049] close(11 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(20 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] <... symlink resumed>) = 0 [pid 5048] close(17 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(23 [pid 3503] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5050] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5049] close(12 [pid 5048] close(18 [pid 5047] close(21 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 5050] <... symlink resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(24 [pid 5050] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5049] close(13 [pid 5048] close(19 [pid 5047] close(22 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 5050] <... symlink resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(25 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5049] close(14 [pid 5047] close(23 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5050] <... openat resumed>) = 3 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(20 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(26 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5050] write(3, "1000", 4 [pid 5049] close(15 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(24 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] <... write resumed>) = 4 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(21 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] close(3 [pid 5049] close(16 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(25 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./254/binderfs", [pid 5050] <... close resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(22 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(28 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5050] read(200, [pid 5049] close(17 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(26 [pid 5050] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(23 [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./254/binderfs" [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5050] symlink("/dev/binderfs", "./binderfs" [pid 5049] close(18 [pid 5048] close(24 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 5050] <... symlink resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(25 [pid 5047] close(27 [pid 5049] close(19 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] close(26 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] <... exit_group resumed>) = ? [pid 3503] lstat("./254/cgroup.net", [pid 5050] <... 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 5050] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5049] close(20 [pid 5048] close(27 [pid 5047] close(28 [pid 5050] <... mmap resumed>) = 0x20002000 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5050] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5049] close(21 [pid 5047] close(29 [pid 5050] <... mmap resumed>) = 0x20000000 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./254/cgroup.net" [pid 5050] close(3 [pid 5049] close(22 [pid 5048] close(28 [pid 5047] exit_group(0 [pid 5046] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 5050] <... close resumed>) = 0 [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] <... exit_group resumed>) = ? [pid 3503] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5050] close(4 [pid 5049] close(23 [pid 5048] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./254/cgroup.cpu", [pid 5050] close(5 [pid 5049] close(24 [pid 5048] exit_group(0 [pid 5047] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] <... exit_group resumed>) = ? [pid 3503] unlink("./254/cgroup.cpu" [pid 5050] close(6 [pid 5049] close(25 [pid 3503] <... unlink resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] +++ exited with 0 +++ [pid 3503] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] close(7 [pid 5049] close(26 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./254/cgroup", [pid 3500] <... restart_syscall resumed>) = 0 [pid 5050] close(8 [pid 5049] close(27 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./254/cgroup" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] close(9 [pid 5049] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] <... openat resumed>) = 3 [pid 5050] close(10 [pid 5049] close(29 [pid 3504] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... 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 5050] close(11 [pid 5049] exit_group(0 [pid 3504] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] getdents64(3, [pid 3500] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... exit_group resumed>) = ? [pid 3504] <... openat resumed>) = 3 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5050] close(12 [pid 5049] +++ exited with 0 +++ [pid 3504] fstat(3, [pid 3503] close(3 [pid 3502] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] close(13 [pid 3504] getdents64(3, [pid 3503] rmdir("./254" [pid 3502] lstat("./252/binderfs", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3500] fstat(3, [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] close(14 [pid 3504] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] mkdir("./255", 0777 [pid 3502] unlink("./252/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] getdents64(3, [pid 5050] close(15 [pid 3504] lstat("./256/binderfs", [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 5050] <... 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 3501] fstat(3, [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5050] close(16 [pid 3504] unlink("./256/binderfs" [pid 3502] lstat("./252/cgroup.net", [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5051 attached [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] getdents64(3, [pid 5051] set_robust_list(0x5555573195e0, 24 [pid 5050] close(17 [pid 3504] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 257 [pid 3502] unlink("./252/cgroup.net" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... set_robust_list resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] chdir("./255" [pid 5050] close(18 [pid 3504] lstat("./256/cgroup.net", [pid 3502] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... chdir resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./247/binderfs", [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5050] close(19 [pid 3504] unlink("./256/cgroup.net" [pid 3502] lstat("./252/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5051] <... prctl resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./247/binderfs" [pid 3500] lstat("./244/binderfs", [pid 5051] setpgid(0, 0 [pid 5050] close(20 [pid 3504] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./252/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5051] <... setpgid resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5050] close(21 [pid 3504] lstat("./256/cgroup.cpu", [pid 3502] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./244/binderfs" [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./247/cgroup.net", [pid 5051] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5050] close(22 [pid 3504] unlink("./256/cgroup.cpu" [pid 3502] lstat("./252/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./247/cgroup.net" [pid 5051] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5050] close(23 [pid 3504] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./252/cgroup" [pid 3500] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5050] close(24 [pid 3504] lstat("./256/cgroup", [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./244/cgroup.net", [pid 5051] <... openat resumed>) = 3 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5051] write(3, "1000", 4 [pid 5050] close(25 [pid 3504] unlink("./256/cgroup" [pid 3500] unlink("./244/cgroup.net" [pid 5051] <... write resumed>) = 4 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./247/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 5051] close(3 [pid 5050] close(26 [pid 3504] getdents64(3, [pid 3502] close(3 [pid 3500] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] read(200, [pid 5050] close(27 [pid 3504] close(3 [pid 3502] rmdir("./252" [pid 3501] unlink("./247/cgroup.cpu" [pid 5051] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./244/cgroup.cpu", [pid 5051] symlink("/dev/binderfs", "./binderfs" [pid 5050] close(28 [pid 3504] rmdir("./256" [pid 3502] mkdir("./253", 0777 [pid 3501] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5051] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5050] close(29 [pid 3504] mkdir("./257", 0777 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./244/cgroup.cpu" [pid 5051] <... 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 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] lstat("./247/cgroup", [pid 5051] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5050] exit_group(0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 [pid 5051] <... mmap resumed>) = 0x20002000 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5053 attached ./strace-static-x86_64: Process 5052 attached [pid 5051] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5050] <... exit_group resumed>) = ? [pid 3501] unlink("./247/cgroup" [pid 5053] set_robust_list(0x5555573195e0, 24 [pid 5052] set_robust_list(0x5555573195e0, 24 [pid 5051] <... mmap resumed>) = 0x20000000 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... set_robust_list resumed>) = 0 [pid 5052] <... set_robust_list resumed>) = 0 [pid 5051] close(3 [pid 5050] +++ exited with 0 +++ [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 259 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 255 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./244/cgroup", [pid 5053] chdir("./253" [pid 5052] chdir("./257" [pid 5051] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 5053] <... chdir resumed>) = 0 [pid 5052] <... chdir resumed>) = 0 [pid 5051] close(4 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 5053] <... prctl resumed>) = 0 [pid 5052] <... prctl resumed>) = 0 [pid 5051] close(5 [pid 3501] <... close resumed>) = 0 [pid 3500] unlink("./244/cgroup" [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5053] setpgid(0, 0 [pid 5052] setpgid(0, 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./247" [pid 5053] <... setpgid resumed>) = 0 [pid 5052] <... setpgid resumed>) = 0 [pid 5051] close(6 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... restart_syscall resumed>) = 0 [pid 5053] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5052] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./248", 0777 [pid 5053] <... symlink resumed>) = 0 [pid 5052] <... symlink resumed>) = 0 [pid 5051] close(7 [pid 3500] getdents64(3, [pid 5053] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5052] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5053] <... symlink resumed>) = 0 [pid 5052] <... symlink resumed>) = 0 [pid 5051] close(8 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5052] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 3499] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5054 attached [pid 5053] <... symlink resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] set_robust_list(0x5555573195e0, 24 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... symlink resumed>) = 0 [pid 5051] close(9 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 250 [pid 3500] rmdir("./244" [pid 3499] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... set_robust_list resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5054] chdir("./248" [pid 5053] write(3, "1000", 4 [pid 5052] <... openat resumed>) = 3 [pid 5051] close(10 [pid 3500] mkdir("./245", 0777 [pid 3499] fstat(3, [pid 5054] <... chdir resumed>) = 0 [pid 5053] <... write resumed>) = 4 [pid 5052] write(3, "1000", 4 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] close(3 [pid 5052] <... write resumed>) = 4 [pid 5051] close(11 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5054] <... prctl resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5052] close(3 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] setpgid(0, 0 [pid 5053] read(200, [pid 5052] <... close resumed>) = 0 [pid 5051] close(12 [pid 3499] getdents64(3, [pid 5053] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] read(200, [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] symlink("/dev/binderfs", "./binderfs" [pid 5052] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] close(13 [pid 5053] <... symlink resumed>) = 0 [pid 5052] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5055 attached [pid 5054] <... setpgid resumed>) = 0 [pid 5053] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5052] <... symlink resumed>) = 0 [pid 5051] close(14 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5055] set_robust_list(0x5555573195e0, 24 [pid 5054] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5053] <... 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 5052] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... set_robust_list resumed>) = 0 [pid 5054] <... symlink resumed>) = 0 [pid 5053] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5052] <... 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 5051] close(15 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 247 [pid 3499] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] chdir("./245" [pid 5054] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5053] <... mmap resumed>) = 0x20002000 [pid 5052] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... chdir resumed>) = 0 [pid 5054] <... symlink resumed>) = 0 [pid 5053] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5052] <... mmap resumed>) = 0x20002000 [pid 5051] close(16 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5053] <... mmap resumed>) = 0x20000000 [pid 5052] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... prctl resumed>) = 0 [pid 5054] <... symlink resumed>) = 0 [pid 5053] close(3 [pid 5052] <... mmap resumed>) = 0x20000000 [pid 5051] close(17 [pid 3499] lstat("./239/binderfs", [pid 5055] setpgid(0, 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] <... close resumed>) = 0 [pid 5052] close(3 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... setpgid resumed>) = 0 [pid 5053] close(4 [pid 5052] <... close resumed>) = 0 [pid 5051] close(18 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5055] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5054] <... openat resumed>) = 3 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(4 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... symlink resumed>) = 0 [pid 5054] write(3, "1000", 4 [pid 5053] close(5 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(19 [pid 3499] unlink("./239/binderfs" [pid 5055] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5054] <... write resumed>) = 4 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(5 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... symlink resumed>) = 0 [pid 5054] close(3 [pid 5053] close(6 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(20 [pid 3499] <... unlink resumed>) = 0 [pid 5055] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5054] <... close resumed>) = 0 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(6 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... symlink resumed>) = 0 [pid 5054] read(200, [pid 5053] close(7 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(21 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(7 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... openat resumed>) = 3 [pid 5054] symlink("/dev/binderfs", "./binderfs" [pid 5053] close(8 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(22 [pid 3499] lstat("./239/cgroup.net", [pid 5055] write(3, "1000", 4 [pid 5054] <... symlink resumed>) = 0 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(8 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... write resumed>) = 4 [pid 5054] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5053] close(9 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(23 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5055] close(3 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(9 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... close resumed>) = 0 [pid 5054] <... 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 5053] close(10 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(24 [pid 3499] unlink("./239/cgroup.net" [pid 5055] read(200, [pid 5054] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(10 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5055] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... mmap resumed>) = 0x20002000 [pid 5053] close(11 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(25 [pid 5055] symlink("/dev/binderfs", "./binderfs" [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(11 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... symlink resumed>) = 0 [pid 5053] close(12 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(26 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5054] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(12 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./239/cgroup.cpu", [pid 5055] <... 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 5054] <... mmap resumed>) = 0x20000000 [pid 5053] close(13 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(27 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5055] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5054] close(3 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(13 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./239/cgroup.cpu" [pid 5055] <... mmap resumed>) = 0x20002000 [pid 5053] close(14 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(28 [pid 5054] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5055] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5054] close(4 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(14 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... mmap resumed>) = 0x20000000 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(15 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(29 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] close(3 [pid 5054] close(5 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(15 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./239/cgroup", [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(16 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] exit_group(0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5055] close(4 [pid 5054] close(6 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(16 [pid 5051] <... exit_group resumed>) = ? [pid 3499] unlink("./239/cgroup" [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(17 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] +++ exited with 0 +++ [pid 5055] close(5 [pid 5054] close(7 [pid 3499] <... unlink resumed>) = 0 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] close(17 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(18 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5055] close(6 [pid 5054] close(8) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(9 [pid 5053] close(19 [pid 5052] close(18 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5055] close(7 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] close(3 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(10 [pid 5053] close(20 [pid 5052] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 5055] close(8 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] rmdir("./239" [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(11 [pid 5053] close(21 [pid 5052] close(20 [pid 3503] <... openat resumed>) = 3 [pid 3499] <... rmdir resumed>) = 0 [pid 5055] close(9 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3499] mkdir("./240", 0777 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(12 [pid 5053] close(22 [pid 5052] close(21 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5055] close(10 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5056 attached [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(13 [pid 5053] close(23 [pid 5052] close(22 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5056] set_robust_list(0x5555573195e0, 24 [pid 5055] close(11 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 242 [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(14 [pid 5053] close(24 [pid 5052] close(23 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] chdir("./240" [pid 5055] close(12 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./255/binderfs", [pid 5056] <... chdir resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(15 [pid 5053] close(25 [pid 5052] close(24 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] close(13 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./255/binderfs" [pid 5056] <... prctl resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(26 [pid 5052] close(25 [pid 3503] <... unlink resumed>) = 0 [pid 5056] setpgid(0, 0 [pid 5055] close(14 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... setpgid resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(16 [pid 5053] close(27 [pid 5052] close(26 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5055] close(15 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./255/cgroup.net", [pid 5056] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(28 [pid 5052] close(27 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5056] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5055] close(16 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./255/cgroup.net" [pid 5056] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(17 [pid 5053] close(29 [pid 5052] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 5056] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5055] close(17 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] exit_group(0 [pid 5052] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] close(18 [pid 5054] close(18 [pid 5053] <... exit_group resumed>) = ? [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./255/cgroup.cpu", [pid 5056] <... openat resumed>) = 3 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] write(3, "1000", 4 [pid 5055] close(19 [pid 5054] close(19 [pid 5053] +++ exited with 0 +++ [pid 5052] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5056] <... write resumed>) = 4 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... exit_group resumed>) = ? [pid 3503] unlink("./255/cgroup.cpu" [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5056] close(3 [pid 5055] close(20 [pid 5054] close(20 [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 5056] read(200, [pid 5055] close(21 [pid 5054] close(21 [pid 3503] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] symlink("/dev/binderfs", "./binderfs" [pid 5055] close(22 [pid 5054] close(22 [pid 3504] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./255/cgroup", [pid 5056] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5056] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5055] close(23 [pid 5054] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./255/cgroup" [pid 3502] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... 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 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5055] close(24 [pid 5054] close(24 [pid 3504] <... openat resumed>) = 3 [pid 3503] getdents64(3, [pid 3502] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... mmap resumed>) = 0x20002000 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... openat resumed>) = 3 [pid 5056] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5055] close(25 [pid 5054] close(25 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] close(3 [pid 3502] fstat(3, [pid 5056] <... mmap resumed>) = 0x20000000 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... close resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5056] close(3 [pid 5055] close(26 [pid 5054] close(26 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] rmdir("./255" [pid 3502] getdents64(3, [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5056] close(4 [pid 5055] close(27 [pid 5054] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] mkdir("./256", 0777 [pid 3502] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./257/binderfs", [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] close(5 [pid 5055] close(28 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./253/binderfs", ./strace-static-x86_64: Process 5057 attached [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(28 [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 5057] set_robust_list(0x5555573195e0, 24 [pid 5056] close(6 [pid 5055] close(29 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 258 [pid 3502] unlink("./253/binderfs" [pid 5057] <... set_robust_list resumed>) = 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./257/binderfs" [pid 3502] <... unlink resumed>) = 0 [pid 5057] chdir("./256" [pid 5056] close(7 [pid 5055] exit_group(0 [pid 5054] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... chdir resumed>) = 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... exit_group resumed>) = ? [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] close(8 [pid 5055] +++ exited with 0 +++ [pid 5054] exit_group(0 [pid 3502] lstat("./253/cgroup.net", [pid 5057] <... prctl resumed>) = 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5057] setpgid(0, 0 [pid 5056] close(9 [pid 5054] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./253/cgroup.net" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5057] <... setpgid resumed>) = 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5057] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5056] close(10 [pid 3504] lstat("./257/cgroup.net", [pid 3502] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... restart_syscall resumed>) = 0 [pid 5057] <... symlink resumed>) = 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5056] close(11 [pid 3504] unlink("./257/cgroup.net" [pid 3502] lstat("./253/cgroup.cpu", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 5057] <... symlink resumed>) = 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5057] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3504] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5057] <... symlink resumed>) = 0 [pid 5056] close(12 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./257/cgroup.cpu", [pid 3502] unlink("./253/cgroup.cpu" [pid 5057] <... openat resumed>) = 3 [pid 5056] close(13 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] write(3, "1000", 4 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./257/cgroup.cpu" [pid 3502] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... write resumed>) = 4 [pid 5056] close(14 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] close(3 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... openat resumed>) = 3 [pid 5057] <... close resumed>) = 0 [pid 5056] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./253/cgroup", [pid 5057] read(200, [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./257/cgroup", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] fstat(3, [pid 5057] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] close(16 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] unlink("./253/cgroup" [pid 3501] fstat(3, [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5057] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./257/cgroup" [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, [pid 5057] <... symlink resumed>) = 0 [pid 5056] close(17 [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3501] getdents64(3, [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5057] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... 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 5056] close(18 [pid 3504] getdents64(3, [pid 3502] close(3 [pid 3501] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./245/binderfs", [pid 5057] <... mmap resumed>) = 0x20002000 [pid 5056] close(19 [pid 3504] close(3 [pid 3502] rmdir("./253" [pid 3501] lstat("./248/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5057] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./245/binderfs" [pid 5057] <... mmap resumed>) = 0x20000000 [pid 5056] close(20 [pid 3504] rmdir("./257" [pid 3502] mkdir("./254", 0777 [pid 3501] unlink("./248/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 5057] close(3 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... close resumed>) = 0 [pid 5056] close(21 [pid 3504] mkdir("./258", 0777 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5058 attached [pid 5057] close(4 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./245/cgroup.net", [pid 5058] set_robust_list(0x5555573195e0, 24 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(22 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 256 [pid 3501] lstat("./248/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5058] <... set_robust_list resumed>) = 0 [pid 5057] close(5 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./245/cgroup.net"./strace-static-x86_64: Process 5059 attached [pid 5058] chdir("./254" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(23 [pid 3501] unlink("./248/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 5059] set_robust_list(0x5555573195e0, 24 [pid 5058] <... chdir resumed>) = 0 [pid 5057] close(6 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 260 [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(24 [pid 3501] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... prctl resumed>) = 0 [pid 5057] close(7 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./245/cgroup.cpu", [pid 5058] setpgid(0, 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(25 [pid 3501] lstat("./248/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5058] <... setpgid resumed>) = 0 [pid 5057] close(8 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./245/cgroup.cpu" [pid 5058] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(26 [pid 5059] chdir("./258" [pid 3501] unlink("./248/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5059] <... chdir resumed>) = 0 [pid 5058] <... symlink resumed>) = 0 [pid 5057] close(9 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(27 [pid 3501] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... prctl resumed>) = 0 [pid 5058] <... symlink resumed>) = 0 [pid 5057] close(10 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./245/cgroup", [pid 5059] setpgid(0, 0 [pid 5058] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(28 [pid 3501] lstat("./248/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5059] <... setpgid resumed>) = 0 [pid 5058] <... symlink resumed>) = 0 [pid 5057] close(11 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./245/cgroup" [pid 5059] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(29 [pid 3501] unlink("./248/cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 5059] <... symlink resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5057] close(12 [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5059] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5058] write(3, "1000", 4 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] exit_group(0 [pid 3501] getdents64(3, [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5059] <... symlink resumed>) = 0 [pid 5058] <... write resumed>) = 4 [pid 5057] close(13 [pid 5056] <... exit_group resumed>) = ? [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] close(3 [pid 5059] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5058] close(3 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] +++ exited with 0 +++ [pid 3501] close(3 [pid 3500] <... close resumed>) = 0 [pid 5059] <... symlink resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5057] close(14 [pid 3501] <... close resumed>) = 0 [pid 3500] rmdir("./245" [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] read(200, [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./248" [pid 3500] <... rmdir resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5059] <... openat resumed>) = 3 [pid 5058] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] close(15 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] mkdir("./246", 0777 [pid 3499] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] write(3, "1000", 4 [pid 5058] symlink("/dev/binderfs", "./binderfs" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... write resumed>) = 4 [pid 5058] <... symlink resumed>) = 0 [pid 5057] close(16 [pid 3501] mkdir("./249", 0777 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] close(3 [pid 5058] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = 0 [pid 5057] close(17 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] read(200, [pid 5058] <... 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 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5057] close(18 [pid 5059] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... mmap resumed>) = 0x20002000 [pid 3499] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5061 attached ./strace-static-x86_64: Process 5060 attached [pid 5059] <... symlink resumed>) = 0 [pid 5058] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 248 [pid 5061] set_robust_list(0x5555573195e0, 24 [pid 5060] set_robust_list(0x5555573195e0, 24 [pid 5059] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5058] <... mmap resumed>) = 0x20000000 [pid 3499] fstat(3, [pid 5061] <... set_robust_list resumed>) = 0 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5059] <... 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 5058] close(3 [pid 5057] close(19 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 251 [pid 5061] chdir("./249" [pid 5060] chdir("./246" [pid 5059] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5058] <... close resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5061] <... chdir resumed>) = 0 [pid 5060] <... chdir resumed>) = 0 [pid 5059] <... mmap resumed>) = 0x20002000 [pid 5058] close(4 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(20 [pid 3499] getdents64(3, [pid 5061] <... prctl resumed>) = 0 [pid 5060] <... prctl resumed>) = 0 [pid 5059] <... mmap resumed>) = 0x20000000 [pid 5058] close(5 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5061] setpgid(0, 0 [pid 5060] setpgid(0, 0 [pid 5059] close(3 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(21 [pid 5061] <... setpgid resumed>) = 0 [pid 5060] <... setpgid resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] close(6 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5060] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5059] close(4 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(22 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... symlink resumed>) = 0 [pid 5060] <... symlink resumed>) = 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(7 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5060] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5059] close(5 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(23 [pid 3499] lstat("./240/binderfs", [pid 5061] <... symlink resumed>) = 0 [pid 5060] <... symlink resumed>) = 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(8 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5060] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5059] close(6 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(24 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5061] <... symlink resumed>) = 0 [pid 5060] <... symlink resumed>) = 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(9 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] close(7 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(25 [pid 3499] unlink("./240/binderfs" [pid 5061] <... openat resumed>) = 3 [pid 5060] <... openat resumed>) = 3 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(10 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5061] write(3, "1000", 4 [pid 5060] write(3, "1000", 4 [pid 5059] close(8 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(26 [pid 3499] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... write resumed>) = 4 [pid 5060] <... write resumed>) = 4 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(11 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(3 [pid 5060] close(3 [pid 5059] close(9 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(27 [pid 3499] lstat("./240/cgroup.net", [pid 5061] <... close resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5058] close(12 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5061] read(200, [pid 5060] read(200, [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(28 [pid 3499] unlink("./240/cgroup.net" [pid 5061] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] close(13 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5061] symlink("/dev/binderfs", "./binderfs" [pid 5060] symlink("/dev/binderfs", "./binderfs" [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(29 [pid 3499] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... symlink resumed>) = 0 [pid 5060] <... symlink resumed>) = 0 [pid 5059] close(10 [pid 5058] close(14 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5060] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] exit_group(0 [pid 3499] lstat("./240/cgroup.cpu", [pid 5061] <... 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 5060] <... 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 5059] close(11 [pid 5058] close(15 [pid 5057] <... exit_group resumed>) = ? [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5061] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5060] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] <... mmap resumed>) = 0x20002000 [pid 5060] <... mmap resumed>) = 0x20002000 [pid 5059] close(12 [pid 5058] close(16 [pid 5057] +++ exited with 0 +++ [pid 3499] unlink("./240/cgroup.cpu" [pid 5061] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5060] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] <... unlink resumed>) = 0 [pid 5061] <... mmap resumed>) = 0x20000000 [pid 5060] <... mmap resumed>) = 0x20000000 [pid 5059] close(13 [pid 5058] close(17 [pid 3499] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(3 [pid 5060] close(3 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5058] close(18 [pid 3503] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./240/cgroup", [pid 5061] close(4 [pid 5060] close(4 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(19 [pid 3503] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] unlink("./240/cgroup" [pid 5061] close(5 [pid 5060] close(5 [pid 5059] close(14 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(20 [pid 3503] fstat(3, [pid 3499] getdents64(3, [pid 5061] close(6 [pid 5060] close(6 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(21 [pid 3503] getdents64(3, [pid 3499] close(3 [pid 5061] close(7 [pid 5060] close(7 [pid 5059] close(15 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... close resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(22 [pid 3503] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./240" [pid 5061] close(8 [pid 5060] close(8 [pid 5059] close(16 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... rmdir resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(23 [pid 3503] lstat("./256/binderfs", [pid 3499] mkdir("./241", 0777 [pid 5061] close(9 [pid 5060] close(9 [pid 5059] close(17 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(24 [pid 3503] unlink("./256/binderfs" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] close(10 [pid 5060] close(10 [pid 5059] close(18 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5062 attached [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(25 [pid 3503] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] set_robust_list(0x5555573195e0, 24 [pid 5061] close(11 [pid 5060] close(11 [pid 5059] close(19 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 243 [pid 5062] chdir("./241" [pid 5061] close(12 [pid 5060] close(12 [pid 5059] close(20 [pid 5058] close(26 [pid 3503] lstat("./256/cgroup.net", [pid 5062] <... chdir resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] close(13 [pid 5060] close(13 [pid 5059] close(21 [pid 5058] close(27 [pid 3503] unlink("./256/cgroup.net" [pid 5062] <... prctl resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] setpgid(0, 0 [pid 5061] close(14 [pid 5060] close(14 [pid 5059] close(22 [pid 5058] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 5062] <... setpgid resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5061] close(15 [pid 5060] close(15 [pid 5059] close(23 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... symlink resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5061] close(16 [pid 5060] close(16 [pid 5059] close(24 [pid 5058] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... symlink resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./256/cgroup.cpu", [pid 5062] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5061] close(17 [pid 5060] close(17 [pid 5059] close(25 [pid 5058] exit_group(0 [pid 5062] <... symlink resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] close(18 [pid 5060] close(18 [pid 5059] close(26 [pid 5062] <... openat resumed>) = 3 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] write(3, "1000", 4 [pid 5061] close(19 [pid 5060] close(19 [pid 5059] close(27 [pid 5062] <... write resumed>) = 4 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./256/cgroup.cpu" [pid 5062] close(3 [pid 5061] close(20 [pid 5060] close(20 [pid 5059] close(28 [pid 5062] <... close resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5062] read(200, [pid 5061] close(21 [pid 5060] close(21 [pid 5059] close(29 [pid 5058] +++ exited with 0 +++ [pid 5062] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5062] symlink("/dev/binderfs", "./binderfs" [pid 5061] close(22 [pid 5060] close(22 [pid 5059] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... symlink resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] <... exit_group resumed>) = ? [pid 3503] lstat("./256/cgroup", [pid 5062] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5061] close(23 [pid 5060] close(23 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... 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 5061] close(24 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./256/cgroup" [pid 3502] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] close(24 [pid 5059] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... mmap resumed>) = 0x20002000 [pid 5061] close(25 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3502] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] close(25 [pid 3503] getdents64(3, [pid 5062] <... mmap resumed>) = 0x20000000 [pid 5061] close(26 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... openat resumed>) = 3 [pid 5062] close(3 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] close(26 [pid 3504] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] close(3 [pid 3502] fstat(3, [pid 5062] <... close resumed>) = 0 [pid 5061] close(27 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... close resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5062] close(4 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] close(27 [pid 3504] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] rmdir("./256" [pid 3502] getdents64(3, [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(28 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 5062] close(5 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] close(28 [pid 3504] <... openat resumed>) = 3 [pid 3503] mkdir("./257", 0777 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(29 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] <... mkdir resumed>) = 0 [pid 5062] close(6 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] close(29 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5063 attached [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] exit_group(0 [pid 5060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] set_robust_list(0x5555573195e0, 24 [pid 3504] getdents64(3, [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 259 [pid 5062] close(7 [pid 3502] lstat("./254/binderfs", [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] <... exit_group resumed>) = ? [pid 5060] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5063] chdir("./257" [pid 5062] close(8 [pid 5061] +++ exited with 0 +++ [pid 5060] <... exit_group resumed>) = ? [pid 3504] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./254/binderfs" [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5062] close(9 [pid 3504] lstat("./258/binderfs", [pid 3502] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... 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 5062] close(10 [pid 3504] unlink("./258/binderfs" [pid 3502] lstat("./254/cgroup.net", [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5062] close(11 [pid 3504] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./254/cgroup.net" [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5063] <... chdir resumed>) = 0 [pid 5062] close(12 [pid 3504] lstat("./258/cgroup.net", [pid 3502] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... prctl resumed>) = 0 [pid 5062] close(13 [pid 3504] unlink("./258/cgroup.net" [pid 3502] lstat("./254/cgroup.cpu", [pid 3501] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] setpgid(0, 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [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=248, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... setpgid resumed>) = 0 [pid 5062] close(14 [pid 3504] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./254/cgroup.cpu" [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5063] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5062] <... 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, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... restart_syscall resumed>) = 0 [pid 5063] <... symlink resumed>) = 0 [pid 5062] close(15 [pid 3504] lstat("./258/cgroup.cpu", [pid 3502] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 5063] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3501] fstat(3, [pid 5063] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5063] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5062] close(16 [pid 3504] unlink("./258/cgroup.cpu" [pid 3502] lstat("./254/cgroup", [pid 3501] getdents64(3, [pid 5063] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... openat resumed>) = 3 [pid 5062] close(17 [pid 3504] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./254/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] write(3, "1000", 4 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./249/binderfs", [pid 5063] <... write resumed>) = 4 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] close(3 [pid 3501] unlink("./249/binderfs" [pid 5063] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5063] read(200, [pid 3501] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] close(18 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 5063] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 3501] lstat("./249/cgroup.net", [pid 5063] <... symlink resumed>) = 0 [pid 5062] close(19 [pid 3504] lstat("./258/cgroup", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 5063] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./249/cgroup.net" [pid 5063] <... 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 5062] close(20 [pid 3502] close(3 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5063] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./258/cgroup" [pid 3502] <... close resumed>) = 0 [pid 3501] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5063] <... mmap resumed>) = 0x20002000 [pid 5062] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3502] rmdir("./254" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5063] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... rmdir resumed>) = 0 [pid 3501] lstat("./249/cgroup.cpu", [pid 3500] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... mmap resumed>) = 0x20000000 [pid 5062] close(22 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] mkdir("./255", 0777 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] lstat("./246/binderfs", [pid 5063] close(3 [pid 5062] close(23 [pid 3504] <... close resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [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 ./strace-static-x86_64: Process 5064 attached [pid 5063] <... close resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./258" [pid 3500] unlink("./246/binderfs" [pid 5064] set_robust_list(0x5555573195e0, 24 [pid 5062] close(24 [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 257 [pid 3501] unlink("./249/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5063] close(4 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./259", 0777 [pid 3500] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] chdir("./255" [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] close(25 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... chdir resumed>) = 0 [pid 5063] close(5 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./246/cgroup.net", [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] close(6 [pid 5062] close(26 [pid 3501] lstat("./249/cgroup", [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5064] <... prctl resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5065 attached [pid 5064] setpgid(0, 0 [pid 5063] close(7 [pid 5062] close(27 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 261 [pid 3501] unlink("./249/cgroup" [pid 3500] unlink("./246/cgroup.net" [pid 5065] set_robust_list(0x5555573195e0, 24 [pid 5064] <... setpgid resumed>) = 0 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5064] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5063] close(8 [pid 5062] close(28 [pid 3500] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] chdir("./259" [pid 5064] <... symlink resumed>) = 0 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5062] close(29 [pid 3500] lstat("./246/cgroup.cpu", [pid 5064] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5064] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5062] exit_group(0 [pid 3500] unlink("./246/cgroup.cpu" [pid 5064] <... symlink resumed>) = 0 [pid 5062] <... exit_group resumed>) = ? [pid 3500] <... unlink resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] +++ exited with 0 +++ [pid 3500] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... chdir resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5063] close(9 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] write(3, "1000", 4 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 3500] lstat("./246/cgroup", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5065] <... prctl resumed>) = 0 [pid 5064] <... write resumed>) = 4 [pid 5063] close(10 [pid 3501] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5065] setpgid(0, 0 [pid 5064] close(3 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./249" [pid 3500] unlink("./246/cgroup" [pid 3499] <... restart_syscall resumed>) = 0 [pid 5065] <... setpgid resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5063] close(11 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5065] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5064] read(200, [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./250", 0777 [pid 3500] getdents64(3, [pid 5065] <... symlink resumed>) = 0 [pid 5064] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] close(12 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5064] symlink("/dev/binderfs", "./binderfs" [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... symlink resumed>) = 0 [pid 5064] <... symlink resumed>) = 0 [pid 5063] close(13 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... close resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5064] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./246" [pid 3499] <... openat resumed>) = 3 [pid 5064] <... 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 5063] close(14 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] fstat(3, [pid 5064] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] mkdir("./247", 0777 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5064] <... mmap resumed>) = 0x20002000 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5066 attached [pid 5065] <... symlink resumed>) = 0 [pid 5064] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5067 attached [pid 5066] set_robust_list(0x5555573195e0, 24 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... mmap resumed>) = 0x20000000 [pid 5063] close(15 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 252 [pid 3499] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] set_robust_list(0x5555573195e0, 24 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5064] close(3 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 249 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... set_robust_list resumed>) = 0 [pid 5066] chdir("./250" [pid 5065] write(3, "1000", 4 [pid 5064] <... close resumed>) = 0 [pid 5063] close(16 [pid 3499] lstat("./241/binderfs", [pid 5067] chdir("./247" [pid 5066] <... chdir resumed>) = 0 [pid 5065] <... write resumed>) = 4 [pid 5064] close(4 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... chdir resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] close(3 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(17 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... prctl resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... prctl resumed>) = 0 [pid 5066] setpgid(0, 0 [pid 5065] read(200, [pid 5064] close(5 [pid 5063] close(18 [pid 3499] unlink("./241/binderfs" [pid 5067] setpgid(0, 0 [pid 5066] <... setpgid resumed>) = 0 [pid 5065] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... setpgid resumed>) = 0 [pid 5066] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5065] symlink("/dev/binderfs", "./binderfs" [pid 5063] close(19 [pid 3499] <... unlink resumed>) = 0 [pid 5067] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... symlink resumed>) = 0 [pid 5064] close(6 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... symlink resumed>) = 0 [pid 5066] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5065] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(20 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... 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 5064] close(7 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(21 [pid 3499] lstat("./241/cgroup.net", [pid 5067] <... symlink resumed>) = 0 [pid 5066] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5065] <... mmap resumed>) = 0x20002000 [pid 5064] close(8 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5067] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5066] <... symlink resumed>) = 0 [pid 5065] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(22 [pid 3499] unlink("./241/cgroup.net" [pid 5067] <... symlink resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... mmap resumed>) = 0x20000000 [pid 5064] close(9 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(3 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(23 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5064] close(10 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] write(3, "1000", 4 [pid 5065] close(4 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(24 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... write resumed>) = 4 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(11 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(5 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(25 [pid 5067] write(3, "1000", 4 [pid 5066] close(3 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(12 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... write resumed>) = 4 [pid 5066] <... close resumed>) = 0 [pid 5065] close(6 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(26 [pid 5067] close(3 [pid 5066] read(200, [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(13 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./241/cgroup.cpu", [pid 5067] <... close resumed>) = 0 [pid 5066] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] close(7 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(27 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(14 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] read(200, [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5065] close(8 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(28 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5067] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(15 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./241/cgroup.cpu" [pid 5067] symlink("/dev/binderfs", "./binderfs" [pid 5066] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5065] close(9 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] close(29 [pid 5067] <... symlink resumed>) = 0 [pid 5066] <... 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 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(16 [pid 5063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5067] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5066] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5065] close(10 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5063] exit_group(0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(17 [pid 5063] <... exit_group resumed>) = ? [pid 5067] <... 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 5066] <... mmap resumed>) = 0x20002000 [pid 5065] close(11 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5066] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(18 [pid 5063] +++ exited with 0 +++ [pid 5067] <... mmap resumed>) = 0x20002000 [pid 5065] close(12 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5066] <... mmap resumed>) = 0x20000000 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... mmap resumed>) = 0x20000000 [pid 5066] close(3 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(19 [pid 3499] lstat("./241/cgroup", [pid 5067] close(3 [pid 5066] <... close resumed>) = 0 [pid 5065] close(13 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... close resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(20 [pid 5066] close(4 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(4 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(14 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(5 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(21 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./241/cgroup" [pid 5067] close(5 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(15 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(6 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(22 [pid 3503] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... unlink resumed>) = 0 [pid 5067] close(6 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(16 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3499] getdents64(3, [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(7 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(23 [pid 3503] fstat(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5067] close(7 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(17 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] close(3 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(8 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(24 [pid 3503] getdents64(3, [pid 3499] <... close resumed>) = 0 [pid 5067] close(8 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(18 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] rmdir("./241" [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(9 [pid 3503] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 5067] close(9 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] mkdir("./242", 0777 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(10 [pid 3503] lstat("./257/binderfs", [pid 3499] <... mkdir resumed>) = 0 [pid 5067] close(10 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(25 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(11 [pid 5065] close(19 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./257/binderfs"./strace-static-x86_64: Process 5068 attached [pid 5067] close(11 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(26 [pid 3503] <... unlink resumed>) = 0 [pid 5068] set_robust_list(0x5555573195e0, 24 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(12 [pid 5065] close(20 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 244 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] close(12 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] chdir("./242" [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(13 [pid 5065] close(21 [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./257/cgroup.net", [pid 5068] <... chdir resumed>) = 0 [pid 5067] close(13 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(14 [pid 5065] close(22 [pid 5064] close(28 [pid 5068] <... prctl resumed>) = 0 [pid 5067] close(14 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./257/cgroup.net" [pid 5068] setpgid(0, 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(15 [pid 5065] close(23 [pid 5064] close(29 [pid 5068] <... setpgid resumed>) = 0 [pid 5067] close(15 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5068] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(16 [pid 5065] close(24 [pid 3503] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... symlink resumed>) = 0 [pid 5067] close(16 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(17 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5064] <... exit_group resumed>) = ? [pid 3503] lstat("./257/cgroup.cpu", [pid 5068] <... symlink resumed>) = 0 [pid 5067] close(17 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(25 [pid 5064] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5068] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(18 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./257/cgroup.cpu" [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5068] <... symlink resumed>) = 0 [pid 5067] close(18 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(26 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(19 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5065] close(27 [pid 3502] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] write(3, "1000", 4 [pid 5067] close(19 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(28 [pid 3503] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... write resumed>) = 4 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(20 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] close(29 [pid 3502] fstat(3, [pid 5068] <... close resumed>) = 0 [pid 5067] close(20 [pid 5066] close(21 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./257/cgroup", [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5068] read(200, [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] getdents64(3, [pid 5068] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] close(21 [pid 5066] close(22 [pid 5065] <... exit_group resumed>) = ? [pid 3503] unlink("./257/cgroup" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5068] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... symlink resumed>) = 0 [pid 5067] close(22 [pid 5066] close(23 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] getdents64(3, [pid 3502] lstat("./255/binderfs", [pid 5068] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./255/binderfs" [pid 5068] <... 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 5067] close(23 [pid 5066] close(24 [pid 3504] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 5068] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] <... close resumed>) = 0 [pid 5068] <... mmap resumed>) = 0x20002000 [pid 5067] close(24 [pid 5066] close(25 [pid 3503] rmdir("./257" [pid 3502] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] fstat(3, [pid 5068] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mmap resumed>) = 0x20000000 [pid 5067] close(25 [pid 5066] close(26 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] mkdir("./258", 0777 [pid 3502] lstat("./255/cgroup.net", [pid 5068] close(3 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... mkdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] close(26 [pid 5066] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5069 attached [pid 5068] close(4 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./255/cgroup.net" [pid 5069] set_robust_list(0x5555573195e0, 24 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(28 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 260 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] close(5 [pid 5067] close(27 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5069] chdir("./258" [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(29 [pid 5069] <... chdir resumed>) = 0 [pid 5068] close(6 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./259/binderfs", [pid 3502] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] close(28 [pid 5066] exit_group(0 [pid 5069] <... prctl resumed>) = 0 [pid 5068] close(7 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] setpgid(0, 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] close(29 [pid 5066] +++ exited with 0 +++ [pid 3504] unlink("./259/binderfs" [pid 3502] lstat("./255/cgroup.cpu", [pid 5069] <... setpgid resumed>) = 0 [pid 5068] close(8 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5069] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] exit_group(0 [pid 3504] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(9 [pid 5069] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(10 [pid 5067] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./255/cgroup.cpu" [pid 5069] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(11 [pid 3502] <... unlink resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... openat resumed>) = 3 [pid 5068] close(12 [pid 5069] write(3, "1000", 4 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./259/cgroup.net", [pid 3502] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... write resumed>) = 4 [pid 5068] close(13 [pid 5067] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./259/cgroup.net" [pid 3502] lstat("./255/cgroup", [pid 3501] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5068] close(14 [pid 3504] <... unlink resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5069] read(200, [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] close(15 [pid 3504] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... restart_syscall resumed>) = 0 [pid 5069] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./255/cgroup" [pid 3501] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(16 [pid 3504] lstat("./259/cgroup.cpu", [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 5069] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... 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 5068] close(17 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./259/cgroup.cpu" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5069] <... mmap resumed>) = 0x20002000 [pid 5068] close(18 [pid 3504] <... unlink resumed>) = 0 [pid 3502] close(3 [pid 3500] <... openat resumed>) = 3 [pid 5069] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] fstat(3, [pid 5069] <... mmap resumed>) = 0x20000000 [pid 5068] close(19 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5069] close(3 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./255" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5068] close(20 [pid 3504] lstat("./259/cgroup", [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5069] close(4 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(21 [pid 3502] mkdir("./256", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(5 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./247/binderfs", [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(22 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] close(6 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 3504] unlink("./259/cgroup" [pid 3501] lstat("./250/binderfs", [pid 3500] unlink("./247/binderfs" [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3502] 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] <... unlink resumed>) = 0 [pid 5069] close(7 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] unlink("./250/binderfs" [pid 3500] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5070 attached [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(24 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] set_robust_list(0x5555573195e0, 24 [pid 5069] close(8 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./247/cgroup.net", [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(25 [pid 3504] close(3 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 258 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5070] chdir("./256" [pid 5069] close(9 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3501] lstat("./250/cgroup.net", [pid 3500] unlink("./247/cgroup.net" [pid 5070] <... chdir resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(26 [pid 3504] rmdir("./259" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] close(10 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3501] unlink("./250/cgroup.net" [pid 3500] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... prctl resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(27 [pid 3504] mkdir("./260", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] setpgid(0, 0 [pid 5069] close(11 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./247/cgroup.cpu", [pid 5070] <... setpgid resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5070] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5069] close(12 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] lstat("./250/cgroup.cpu", [pid 3500] unlink("./247/cgroup.cpu" [pid 5070] <... symlink resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(29 [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=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5070] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5069] close(13 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./250/cgroup.cpu" [pid 3500] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5071 attached [pid 5070] <... symlink resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] exit_group(0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] set_robust_list(0x5555573195e0, 24 [pid 5070] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5069] close(14 [pid 5068] <... exit_group resumed>) = ? [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 262 [pid 3501] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./247/cgroup", [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] <... symlink resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] +++ exited with 0 +++ [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5071] chdir("./260" [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] close(15 [pid 3501] lstat("./250/cgroup", [pid 3500] unlink("./247/cgroup" [pid 5071] <... chdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] write(3, "1000", 4 [pid 5069] close(16 [pid 3501] unlink("./250/cgroup" [pid 3500] getdents64(3, [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... write resumed>) = 4 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... restart_syscall resumed>) = 0 [pid 5070] close(3 [pid 5069] close(17 [pid 3501] getdents64(3, [pid 3500] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... close resumed>) = 0 [pid 5070] read(200, [pid 5069] close(18 [pid 3501] close(3 [pid 3500] rmdir("./247" [pid 3499] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] symlink("/dev/binderfs", "./binderfs" [pid 5069] close(19 [pid 3501] rmdir("./250" [pid 3500] mkdir("./248", 0777 [pid 3499] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... prctl resumed>) = 0 [pid 5070] <... symlink resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5071] setpgid(0, 0 [pid 5070] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5069] close(20 [pid 3501] mkdir("./251", 0777 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] fstat(3, ./strace-static-x86_64: Process 5072 attached [pid 5071] <... setpgid resumed>) = 0 [pid 5070] <... 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 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 5072] set_robust_list(0x5555573195e0, 24 [pid 5071] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5070] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... symlink resumed>) = 0 [pid 5069] close(21 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 250 [pid 5072] chdir("./248" [pid 5071] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5070] <... mmap resumed>) = 0x20002000 [pid 3499] getdents64(3, [pid 5072] <... chdir resumed>) = 0 [pid 5071] <... symlink resumed>) = 0 [pid 5070] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5072] <... prctl resumed>) = 0 [pid 5071] <... symlink resumed>) = 0 [pid 5072] setpgid(0, 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... setpgid resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... mmap resumed>) = 0x20000000 [pid 5069] close(22 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5073 attached [pid 5072] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5071] write(3, "1000", 4 [pid 5073] set_robust_list(0x5555573195e0, 24 [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... write resumed>) = 4 [pid 5070] close(3 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 253 [pid 3499] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5071] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] close(23 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] chdir("./251" [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./242/binderfs", [pid 5073] <... chdir resumed>) = 0 [pid 5072] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5071] read(200, [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] close(24 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... prctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] symlink("/dev/binderfs", "./binderfs" [pid 5070] close(5 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] setpgid(0, 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... symlink resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./242/binderfs" [pid 5073] <... setpgid resumed>) = 0 [pid 5072] write(3, "1000", 4 [pid 5071] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5070] close(6 [pid 5069] close(25 [pid 5073] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5072] <... write resumed>) = 4 [pid 5071] <... 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 3499] <... unlink resumed>) = 0 [pid 5073] <... symlink resumed>) = 0 [pid 5072] close(3 [pid 5071] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5072] <... close resumed>) = 0 [pid 5071] <... mmap resumed>) = 0x20002000 [pid 5070] close(7 [pid 5069] close(26 [pid 5073] <... symlink resumed>) = 0 [pid 5072] read(200, [pid 5071] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5072] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... mmap resumed>) = 0x20000000 [pid 5070] close(8 [pid 5073] <... symlink resumed>) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs" [pid 5071] close(3 [pid 5069] close(27 [pid 3499] lstat("./242/cgroup.net", [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] <... openat resumed>) = 3 [pid 5072] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5071] close(4 [pid 5070] close(9 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5073] write(3, "1000", 4 [pid 5072] <... 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 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] close(28 [pid 5073] <... write resumed>) = 4 [pid 5072] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5071] close(5 [pid 3499] unlink("./242/cgroup.net" [pid 5073] close(3 [pid 5072] <... mmap resumed>) = 0x20002000 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(10 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] <... close resumed>) = 0 [pid 5072] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5071] close(6 [pid 3499] <... unlink resumed>) = 0 [pid 5073] read(200, [pid 5072] <... mmap resumed>) = 0x20000000 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] close(29 [pid 3499] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] close(3 [pid 5071] close(7 [pid 5070] close(11 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... symlink resumed>) = 0 [pid 5072] close(4 [pid 5071] close(8 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] exit_group(0 [pid 5073] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./242/cgroup.cpu", [pid 5070] close(12 [pid 5073] <... 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 5072] close(5 [pid 5071] close(9 [pid 5069] <... exit_group resumed>) = ? [pid 5073] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5073] <... mmap resumed>) = 0x20002000 [pid 5072] close(6 [pid 5071] close(10 [pid 5073] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(13 [pid 5069] +++ exited with 0 +++ [pid 3499] unlink("./242/cgroup.cpu" [pid 5073] <... mmap resumed>) = 0x20000000 [pid 5072] close(7 [pid 5071] close(11 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] close(3 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(14 [pid 3499] <... unlink resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] close(8 [pid 5071] close(12 [pid 5073] close(4 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(9 [pid 5071] close(13 [pid 5073] close(5 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(15 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(10 [pid 5071] close(14 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(6 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./242/cgroup", [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(11 [pid 5071] close(15 [pid 5070] close(16 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(7 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(12 [pid 5071] close(16 [pid 5073] close(8 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(17 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(13 [pid 5071] close(17 [pid 3503] <... openat resumed>) = 3 [pid 3499] unlink("./242/cgroup" [pid 5073] close(9 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(14 [pid 5071] close(18 [pid 5070] close(18 [pid 3503] fstat(3, [pid 3499] <... unlink resumed>) = 0 [pid 5073] close(10 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(15 [pid 5071] close(19 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5073] close(11 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(19 [pid 3499] getdents64(3, [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(16 [pid 5071] close(20 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5073] close(12 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(20 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] close(3 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(17 [pid 5071] close(21 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 5073] close(13 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(21 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./242" [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(18 [pid 5071] close(22 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./258/binderfs", [pid 3499] <... rmdir resumed>) = 0 [pid 5073] close(14 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(22 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] mkdir("./243", 0777 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(19 [pid 5071] close(23 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./258/binderfs" [pid 3499] <... mkdir resumed>) = 0 [pid 5073] close(15 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(23 [pid 3503] <... unlink resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(20 [pid 5071] close(24 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5074 attached [pid 5070] close(24 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 245 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./258/cgroup.net", [pid 5070] close(25 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] set_robust_list(0x5555573195e0, 24 [pid 5073] close(16 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./258/cgroup.net" [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(21 [pid 5071] close(25 [pid 5070] close(26 [pid 3503] <... unlink resumed>) = 0 [pid 5074] chdir("./243" [pid 5073] close(17 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... chdir resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(22 [pid 5070] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(26 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] close(18 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./258/cgroup.cpu", [pid 5074] <... prctl resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(23 [pid 5071] close(27 [pid 5070] close(28 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] setpgid(0, 0 [pid 5073] close(19 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./258/cgroup.cpu" [pid 5074] <... setpgid resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(24 [pid 5071] close(28 [pid 5070] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 5074] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5073] close(20 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... symlink resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(25 [pid 5071] close(29 [pid 5070] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5073] close(21 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... exit_group resumed>) = ? [pid 3503] lstat("./258/cgroup", [pid 5074] <... symlink resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(26 [pid 5071] exit_group(0 [pid 5070] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5073] close(22 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... exit_group resumed>) = ? [pid 3503] unlink("./258/cgroup" [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5074] <... symlink resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(27 [pid 3503] <... unlink resumed>) = 0 [pid 3503] getdents64(3, 0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] close(3 [pid 5073] close(23 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(28 [pid 5071] +++ exited with 0 +++ [pid 3503] rmdir("./258" [pid 3502] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 5073] close(24 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] write(3, "1000", 4 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(29 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] mkdir("./259", 0777 [pid 3502] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... write resumed>) = 4 [pid 5073] close(25 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... openat resumed>) = 3 [pid 5074] close(3 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] fstat(3, [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5075 attached [pid 5074] <... close resumed>) = 0 [pid 5073] close(26 [pid 5072] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5075] set_robust_list(0x5555573195e0, 24 [pid 5074] read(200, [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] <... exit_group resumed>) = ? [pid 3504] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 261 [pid 3502] getdents64(3, [pid 5075] <... set_robust_list resumed>) = 0 [pid 5074] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] close(27 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./256/binderfs", [pid 5074] symlink("/dev/binderfs", "./binderfs" [pid 5072] +++ exited with 0 +++ [pid 3504] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] chdir("./259" [pid 5074] <... symlink resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] unlink("./256/binderfs" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5075] <... chdir resumed>) = 0 [pid 5074] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5073] close(28 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... 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 5075] <... prctl resumed>) = 0 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./256/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] setpgid(0, 0 [pid 5074] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5073] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... setpgid resumed>) = 0 [pid 5074] <... mmap resumed>) = 0x20002000 [pid 5073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./256/cgroup.net" [pid 3500] <... openat resumed>) = 3 [pid 5075] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5074] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5073] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... symlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 5074] <... mmap resumed>) = 0x20000000 [pid 5073] <... exit_group resumed>) = ? [pid 5075] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5074] close(3 [pid 3504] lstat("./260/binderfs", [pid 5073] +++ exited with 0 +++ [pid 3502] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5075] <... symlink resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5074] close(4 [pid 3504] unlink("./260/binderfs" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5075] <... symlink resumed>) = 0 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] close(5 [pid 3504] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./256/cgroup.cpu", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] write(3, "1000", 4 [pid 5074] close(6 [pid 3504] lstat("./260/cgroup.net", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... write resumed>) = 4 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] close(3 [pid 5074] close(7 [pid 3504] unlink("./260/cgroup.net" [pid 3502] unlink("./256/cgroup.cpu" [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] read(200, [pid 5074] close(8 [pid 3504] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 5075] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] lstat("./248/binderfs", [pid 5075] symlink("/dev/binderfs", "./binderfs" [pid 5074] close(9 [pid 3504] lstat("./260/cgroup.cpu", [pid 3502] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... symlink resumed>) = 0 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5074] close(10 [pid 3504] unlink("./260/cgroup.cpu" [pid 5075] <... 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 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] lstat("./256/cgroup", [pid 3501] fstat(3, [pid 3500] unlink("./248/binderfs" [pid 5075] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5074] close(11 [pid 3504] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... mmap resumed>) = 0x20002000 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5075] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5074] close(12 [pid 3504] lstat("./260/cgroup", [pid 5075] <... mmap resumed>) = 0x20000000 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] unlink("./256/cgroup" [pid 3501] getdents64(3, [pid 3500] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(3 [pid 5074] close(13 [pid 3504] unlink("./260/cgroup" [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5075] close(4 [pid 5074] close(14 [pid 3504] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./248/cgroup.net", [pid 5075] close(5 [pid 5074] close(15 [pid 3504] close(3 [pid 3502] getdents64(3, [pid 3501] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] close(6 [pid 5074] close(16 [pid 3504] rmdir("./260" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./248/cgroup.net" [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3501] lstat("./251/binderfs", [pid 5075] close(7 [pid 5074] close(17 [pid 3504] mkdir("./261", 0777 [pid 3502] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] close(8 [pid 5074] close(18 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... close resumed>) = 0 [pid 3501] unlink("./251/binderfs" [pid 3500] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5076 attached [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./256" [pid 5076] set_robust_list(0x5555573195e0, 24 [pid 5075] close(9 [pid 5074] close(19 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 263 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./248/cgroup.cpu", [pid 5076] chdir("./261" [pid 5075] close(10 [pid 5074] close(20 [pid 3502] mkdir("./257", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... chdir resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] lstat("./251/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] close(11 [pid 5074] close(21 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./248/cgroup.cpu" [pid 5076] <... prctl resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] setpgid(0, 0 [pid 5075] close(12 [pid 5074] close(22 [pid 5076] <... setpgid resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./251/cgroup.net" [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5076] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5075] close(13 [pid 5074] close(23 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 259 [pid 5077] set_robust_list(0x5555573195e0, 24 [pid 5076] <... symlink resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... set_robust_list resumed>) = 0 [pid 3501] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] chdir("./257" [pid 5076] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5075] close(14 [pid 5074] close(24 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./248/cgroup", [pid 5077] <... chdir resumed>) = 0 [pid 5076] <... symlink resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./251/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5075] close(15 [pid 5074] close(25 [pid 5077] <... prctl resumed>) = 0 [pid 5076] <... symlink resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./248/cgroup" [pid 5077] setpgid(0, 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] close(16 [pid 5074] close(26 [pid 5077] <... setpgid resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./251/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5077] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5076] write(3, "1000", 4 [pid 5075] close(17 [pid 5074] close(27 [pid 3501] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5077] <... symlink resumed>) = 0 [pid 5076] <... write resumed>) = 4 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5077] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5076] close(3 [pid 5075] close(18 [pid 5074] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... symlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 5077] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5076] read(200, [pid 5075] close(19 [pid 5074] close(29 [pid 3501] lstat("./251/cgroup", [pid 5077] <... symlink resumed>) = 0 [pid 5076] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] symlink("/dev/binderfs", "./binderfs" [pid 5075] close(20 [pid 5074] exit_group(0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... symlink resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... exit_group resumed>) = ? [pid 3500] rmdir("./248" [pid 5077] <... openat resumed>) = 3 [pid 5076] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5075] close(21 [pid 5074] +++ exited with 0 +++ [pid 5077] write(3, "1000", 4 [pid 3501] unlink("./251/cgroup" [pid 3500] <... rmdir resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5077] <... write resumed>) = 4 [pid 5076] <... 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 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5076] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5075] close(22 [pid 3501] <... unlink resumed>) = 0 [pid 3500] mkdir("./249", 0777 [pid 5077] <... close resumed>) = 0 [pid 5076] <... mmap resumed>) = 0x20002000 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5077] read(200, [pid 5076] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5075] close(23 [pid 3500] <... mkdir resumed>) = 0 [pid 5077] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... mmap resumed>) = 0x20000000 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] symlink("/dev/binderfs", "./binderfs" [pid 5076] close(3 [pid 5075] close(24 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... symlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 5077] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5076] close(4 [pid 5075] close(25 [pid 3499] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5078 attached [pid 5077] <... 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 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5078] set_robust_list(0x5555573195e0, 24 [pid 5077] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5076] close(5 [pid 5075] close(26 [pid 3499] fstat(3, [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x20002000 [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./251" [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 251 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5078] chdir("./249" [pid 5077] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5076] close(6 [pid 5075] close(27 [pid 3499] getdents64(3, [pid 5078] <... chdir resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x20000000 [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] close(3 [pid 5076] close(7 [pid 5075] close(28 [pid 3501] mkdir("./252", 0777 [pid 3499] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... prctl resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] setpgid(0, 0 [pid 5077] close(4 [pid 5076] close(8 [pid 5075] close(29 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./243/binderfs", ./strace-static-x86_64: Process 5079 attached [pid 5078] <... setpgid resumed>) = 0 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] set_robust_list(0x5555573195e0, 24 [pid 5078] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5077] close(5 [pid 5076] close(9 [pid 5075] exit_group(0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 254 [pid 3499] unlink("./243/binderfs" [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] <... symlink resumed>) = 0 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] chdir("./252" [pid 5078] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5077] close(6 [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... exit_group resumed>) = ? [pid 3499] <... unlink resumed>) = 0 [pid 5076] close(10 [pid 5079] <... chdir resumed>) = 0 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... symlink resumed>) = 0 [pid 5077] close(7 [pid 5076] close(11 [pid 5079] <... prctl resumed>) = 0 [pid 5078] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] +++ exited with 0 +++ [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] setpgid(0, 0 [pid 5078] <... symlink resumed>) = 0 [pid 5077] close(8 [pid 5076] close(12 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5079] <... setpgid resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./243/cgroup.net", [pid 5079] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5078] <... openat resumed>) = 3 [pid 5077] close(9 [pid 5076] close(13 [pid 5079] <... symlink resumed>) = 0 [pid 5078] write(3, "1000", 4 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5078] <... write resumed>) = 4 [pid 5077] close(10 [pid 5076] close(14 [pid 5079] <... symlink resumed>) = 0 [pid 5078] close(3 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./243/cgroup.net" [pid 5079] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5078] <... close resumed>) = 0 [pid 5077] close(11 [pid 5076] close(15 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... symlink resumed>) = 0 [pid 5078] read(200, [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... unlink resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] close(12 [pid 5076] close(16 [pid 3503] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 3 [pid 3503] fstat(3, [pid 5079] write(3, "1000", 4 [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5079] <... write resumed>) = 4 [pid 3503] getdents64(3, [pid 5079] close(3 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5079] <... close resumed>) = 0 [pid 3503] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] read(200, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] lstat("./259/binderfs", [pid 3499] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] symlink("/dev/binderfs", "./binderfs" [pid 5078] symlink("/dev/binderfs", "./binderfs" [pid 5076] close(17 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] close(13 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... symlink resumed>) = 0 [pid 3503] unlink("./259/binderfs" [pid 5078] <... symlink resumed>) = 0 [pid 5079] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5078] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] lstat("./243/cgroup.cpu", [pid 5079] <... 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 5078] <... 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] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5077] close(14 [pid 5076] close(18 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... mmap resumed>) = 0x20002000 [pid 3503] lstat("./259/cgroup.net", [pid 5079] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... mmap resumed>) = 0x20000000 [pid 3503] unlink("./259/cgroup.net" [pid 5079] close(3 [pid 5078] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] unlink("./243/cgroup.cpu" [pid 5079] <... close resumed>) = 0 [pid 5078] <... mmap resumed>) = 0x20002000 [pid 5077] close(15 [pid 5076] close(19 [pid 3503] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] close(4 [pid 5078] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mmap resumed>) = 0x20000000 [pid 5077] close(16 [pid 5076] close(20 [pid 3503] lstat("./259/cgroup.cpu", [pid 3499] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] close(5 [pid 5078] close(3 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5077] close(17 [pid 5076] close(21 [pid 3503] unlink("./259/cgroup.cpu" [pid 5079] close(6 [pid 5078] close(4 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] lstat("./243/cgroup", [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(18 [pid 5076] close(22 [pid 3503] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] close(7 [pid 5078] close(5 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(19 [pid 5076] close(23 [pid 3503] lstat("./259/cgroup", [pid 5079] close(8 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./259/cgroup" [pid 5079] close(9 [pid 3503] <... unlink resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5079] close(10 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 5079] close(11 [pid 3503] <... close resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./259" [pid 5079] close(12 [pid 3503] <... rmdir resumed>) = 0 [pid 3499] unlink("./243/cgroup" [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./260", 0777 [pid 3499] <... unlink resumed>) = 0 [pid 5079] close(13 [pid 3503] <... mkdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5079] close(14 [pid 5078] close(6 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5080] set_robust_list(0x5555573195e0, 24 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(20 [pid 5076] close(24 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 262 [pid 3499] <... close resumed>) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] close(15 [pid 5078] close(7 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./243" [pid 5080] chdir("./260" [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(21 [pid 5076] close(25 [pid 3499] <... rmdir resumed>) = 0 [pid 5080] <... chdir resumed>) = 0 [pid 5079] close(16 [pid 5078] close(8 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./244", 0777 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(22 [pid 5076] close(26 [pid 3499] <... mkdir resumed>) = 0 [pid 5080] <... prctl resumed>) = 0 [pid 5079] close(17 [pid 5078] close(9 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... 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 5081 attached [pid 5080] setpgid(0, 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] set_robust_list(0x5555573195e0, 24 [pid 5080] <... setpgid resumed>) = 0 [pid 5079] close(18 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 246 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(23 [pid 5076] close(27 [pid 5081] chdir("./244" [pid 5080] <... symlink resumed>) = 0 [pid 5079] close(19 [pid 5078] close(10 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... chdir resumed>) = 0 [pid 5080] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(24 [pid 5076] close(28 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... symlink resumed>) = 0 [pid 5079] close(20 [pid 5078] close(11 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... prctl resumed>) = 0 [pid 5080] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(25 [pid 5076] close(29 [pid 5081] setpgid(0, 0 [pid 5080] <... symlink resumed>) = 0 [pid 5079] close(21 [pid 5078] close(12 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... setpgid resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5080] <... openat resumed>) = 3 [pid 5079] close(22 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] exit_group(0 [pid 5077] close(26 [pid 5081] <... symlink resumed>) = 0 [pid 5080] write(3, "1000", 4 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(13 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... exit_group resumed>) = ? [pid 5081] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5080] <... write resumed>) = 4 [pid 5079] close(23 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(27 [pid 5081] <... symlink resumed>) = 0 [pid 5080] close(3 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5080] <... close resumed>) = 0 [pid 5079] close(24 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(14 [pid 5081] <... symlink resumed>) = 0 [pid 5080] read(200, [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(28 [pid 5076] +++ exited with 0 +++ [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] close(25 [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5081] <... openat resumed>) = 3 [pid 5080] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(15 [pid 5077] close(29 [pid 5081] write(3, "1000", 4 [pid 5080] <... symlink resumed>) = 0 [pid 5079] close(26 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... write resumed>) = 4 [pid 5080] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] exit_group(0 [pid 3504] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] close(3 [pid 5080] <... 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 5079] close(27 [pid 5077] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... close resumed>) = 0 [pid 5080] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(16 [pid 5077] +++ exited with 0 +++ [pid 3504] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] read(200, [pid 5080] <... mmap resumed>) = 0x20002000 [pid 5079] close(28 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 5081] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5081] symlink("/dev/binderfs", "./binderfs" [pid 5080] <... mmap resumed>) = 0x20000000 [pid 5079] close(29 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5081] <... symlink resumed>) = 0 [pid 5080] close(3 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... restart_syscall resumed>) = 0 [pid 5081] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5080] <... close resumed>) = 0 [pid 5079] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5081] <... 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 5080] close(4 [pid 5079] <... exit_group resumed>) = ? [pid 5078] close(17 [pid 3504] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] +++ exited with 0 +++ [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... mmap resumed>) = 0x20002000 [pid 5080] close(5 [pid 5078] close(18 [pid 3504] lstat("./261/binderfs", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5081] <... mmap resumed>) = 0x20000000 [pid 5080] close(6 [pid 5078] close(19 [pid 3504] unlink("./261/binderfs" [pid 3502] <... openat resumed>) = 3 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5081] close(3 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] fstat(3, [pid 3501] <... restart_syscall resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5080] close(7 [pid 5078] close(20 [pid 3504] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5081] close(4 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(8 [pid 3504] lstat("./261/cgroup.net", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5081] close(5 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(9 [pid 3504] unlink("./261/cgroup.net" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(6 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] lstat("./257/binderfs", [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(10 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] close(7 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./257/binderfs" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(11 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./261/cgroup.cpu", [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(8 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(22 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(12 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./261/cgroup.cpu" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(9 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3502] lstat("./257/cgroup.net", [pid 3501] <... openat resumed>) = 3 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(13 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] close(10 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./257/cgroup.net" [pid 3501] fstat(3, [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(14 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./261/cgroup", [pid 3502] <... unlink resumed>) = 0 [pid 5081] close(11 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(15 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./261/cgroup" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(12 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3502] lstat("./257/cgroup.cpu", [pid 3501] getdents64(3, [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(16 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] close(13 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] unlink("./257/cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(17 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] close(14 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(28 [pid 3504] <... close resumed>) = 0 [pid 3502] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(18 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./261" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(15 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(29 [pid 3504] <... rmdir resumed>) = 0 [pid 3502] lstat("./257/cgroup", [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(19 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./262", 0777 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] lstat("./252/binderfs", [pid 5081] close(16 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] unlink("./257/cgroup" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(20 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5081] close(17 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] exit_group(0 [pid 3502] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] set_robust_list(0x5555573195e0, 24 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(21 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 264 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] close(18 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... exit_group resumed>) = ? [pid 3502] close(3 [pid 3501] unlink("./252/binderfs" [pid 5082] chdir("./262" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(22 [pid 3502] <... close resumed>) = 0 [pid 5082] <... chdir resumed>) = 0 [pid 5081] close(19 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./257" [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(23 [pid 5078] +++ exited with 0 +++ [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5082] <... prctl resumed>) = 0 [pid 5081] close(20 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./258", 0777 [pid 3501] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 5082] setpgid(0, 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(24 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5082] <... setpgid resumed>) = 0 [pid 5081] close(21 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... restart_syscall resumed>) = 0 [pid 5082] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(25 [pid 3501] lstat("./252/cgroup.net", ./strace-static-x86_64: Process 5083 attached [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(22 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 260 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] set_robust_list(0x5555573195e0, 24 [pid 5082] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(26 [pid 3500] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(23 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./252/cgroup.net" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] chdir("./258" [pid 5082] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(27 [pid 3500] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(24 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... openat resumed>) = 3 [pid 5083] <... chdir resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(28 [pid 3501] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... openat resumed>) = 3 [pid 5081] close(25 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5083] <... prctl resumed>) = 0 [pid 5082] write(3, "1000", 4 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(29 [pid 3501] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5083] setpgid(0, 0 [pid 5082] <... write resumed>) = 4 [pid 5081] close(26 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5083] <... setpgid resumed>) = 0 [pid 5082] close(3 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] exit_group(0 [pid 3501] lstat("./252/cgroup.cpu", [pid 3500] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5082] <... close resumed>) = 0 [pid 5081] close(27 [pid 5080] <... exit_group resumed>) = ? [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... symlink resumed>) = 0 [pid 5082] read(200, [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5082] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] close(28 [pid 3501] unlink("./252/cgroup.cpu" [pid 3500] lstat("./249/binderfs", [pid 5083] <... symlink resumed>) = 0 [pid 5080] +++ exited with 0 +++ [pid 3501] <... unlink resumed>) = 0 [pid 5083] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... symlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] lstat("./252/cgroup", [pid 5083] <... openat resumed>) = 3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] write(3, "1000", 4 [pid 5082] symlink("/dev/binderfs", "./binderfs" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./252/cgroup" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] <... write resumed>) = 4 [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(29 [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./249/binderfs" [pid 5083] close(3 [pid 5082] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... 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 5081] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] read(200, [pid 5082] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5081] <... exit_group resumed>) = ? [pid 3503] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 5083] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... mmap resumed>) = 0x20002000 [pid 5081] +++ exited with 0 +++ [pid 3503] <... openat resumed>) = 3 [pid 3501] <... close resumed>) = 0 [pid 5083] symlink("/dev/binderfs", "./binderfs" [pid 5082] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] fstat(3, [pid 3501] rmdir("./252" [pid 3500] lstat("./249/cgroup.net", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5083] <... symlink resumed>) = 0 [pid 5082] <... mmap resumed>) = 0x20000000 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5082] close(3 [pid 3503] getdents64(3, [pid 3501] mkdir("./253", 0777 [pid 3500] unlink("./249/cgroup.net" [pid 5083] <... 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 5082] <... close resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... mkdir resumed>) = 0 [pid 5083] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5082] close(4 [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... mmap resumed>) = 0x20002000 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5082] close(5 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./249/cgroup.cpu", [pid 3499] <... openat resumed>) = 3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] fstat(3, ./strace-static-x86_64: Process 5084 attached [pid 5083] <... mmap resumed>) = 0x20000000 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./260/binderfs", [pid 3500] unlink("./249/cgroup.cpu" [pid 5084] set_robust_list(0x5555573195e0, 24 [pid 5083] close(3 [pid 5082] close(6 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 255 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./260/binderfs" [pid 3500] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] chdir("./253" [pid 5083] close(4 [pid 5082] close(7 [pid 3503] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 5084] <... chdir resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] close(5 [pid 5082] close(8 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./249/cgroup", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./260/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] setpgid(0, 0 [pid 5083] close(6 [pid 5082] close(9 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./249/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... setpgid resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./260/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 5084] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5083] close(7 [pid 5082] close(10 [pid 3503] <... unlink resumed>) = 0 [pid 3499] lstat("./244/binderfs", [pid 5084] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5083] close(8 [pid 5082] close(11 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./260/cgroup.cpu", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5084] <... symlink resumed>) = 0 [pid 5083] close(9 [pid 5082] close(12 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5084] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./260/cgroup.cpu" [pid 3500] close(3 [pid 3499] unlink("./244/binderfs" [pid 5084] <... symlink resumed>) = 0 [pid 5083] close(10 [pid 5082] close(13 [pid 3503] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] close(11 [pid 5082] close(14 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... openat resumed>) = 3 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./260/cgroup", [pid 3500] rmdir("./249" [pid 3499] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] write(3, "1000", 4 [pid 5083] close(12 [pid 5082] close(15 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./260/cgroup" [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... write resumed>) = 4 [pid 5083] close(13 [pid 5082] close(16 [pid 3503] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5084] close(3 [pid 3500] mkdir("./250", 0777 [pid 3499] lstat("./244/cgroup.net", [pid 5083] close(14 [pid 5082] close(17 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5084] <... close resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5084] read(200, [pid 5083] close(15 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] unlink("./244/cgroup.net" [pid 5084] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(18 [pid 3503] <... close resumed>) = 0 ./strace-static-x86_64: Process 5085 attached [pid 5084] symlink("/dev/binderfs", "./binderfs" [pid 5083] close(16 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./260" [pid 3499] <... unlink resumed>) = 0 [pid 5085] set_robust_list(0x5555573195e0, 24 [pid 5084] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(19 [pid 3503] <... rmdir resumed>) = 0 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5083] close(17 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./261", 0777 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 252 [pid 3499] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] chdir("./250" [pid 5084] <... 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 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(20 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... chdir resumed>) = 0 [pid 5084] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5083] close(18 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3499] lstat("./244/cgroup.cpu", [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] <... mmap resumed>) = 0x20002000 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5085] <... prctl resumed>) = 0 [pid 5084] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3499] unlink("./244/cgroup.cpu" [pid 5085] setpgid(0, 0 [pid 5084] <... mmap resumed>) = 0x20000000 [pid 3499] <... unlink resumed>) = 0 [pid 5085] <... setpgid resumed>) = 0 [pid 5084] close(3 [pid 3499] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5084] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... symlink resumed>) = 0 [pid 5084] close(4 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(21 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./244/cgroup", [pid 5085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(19 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5085] <... symlink resumed>) = 0 [pid 5084] close(5 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./244/cgroup"./strace-static-x86_64: Process 5086 attached [pid 5085] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(20 [pid 5082] close(22 [pid 3499] <... unlink resumed>) = 0 [pid 5086] set_robust_list(0x5555573195e0, 24 [pid 5085] <... symlink resumed>) = 0 [pid 5084] close(6 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 263 [pid 3499] getdents64(3, [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(21 [pid 5082] close(23 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5086] chdir("./261" [pid 5085] <... openat resumed>) = 3 [pid 5084] close(7 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5086] <... chdir resumed>) = 0 [pid 5085] write(3, "1000", 4 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(22 [pid 5082] close(24 [pid 3499] <... close resumed>) = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... write resumed>) = 4 [pid 5084] close(8 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./244" [pid 5086] <... prctl resumed>) = 0 [pid 5085] close(3 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(23 [pid 5082] close(25 [pid 3499] <... rmdir resumed>) = 0 [pid 5086] setpgid(0, 0 [pid 5085] <... close resumed>) = 0 [pid 5084] close(9 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./245", 0777 [pid 5086] <... setpgid resumed>) = 0 [pid 5085] read(200, [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(24 [pid 5082] close(26 [pid 3499] <... mkdir resumed>) = 0 [pid 5086] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5085] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] close(10 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... symlink resumed>) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs" [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(25 [pid 5082] close(27./strace-static-x86_64: Process 5087 attached [pid 5086] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5085] <... symlink resumed>) = 0 [pid 5084] close(11 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... symlink resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(26 [pid 5082] close(28 [pid 5087] set_robust_list(0x5555573195e0, 24 [pid 5086] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5085] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5084] close(12 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 247 [pid 5087] chdir("./245" [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... 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 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(27 [pid 5082] close(29 [pid 5087] <... chdir resumed>) = 0 [pid 5086] <... openat resumed>) = 3 [pid 5085] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5084] close(13 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] write(3, "1000", 4 [pid 5085] <... mmap resumed>) = 0x20002000 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... prctl resumed>) = 0 [pid 5086] <... write resumed>) = 4 [pid 5085] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5084] close(14 [pid 5087] setpgid(0, 0 [pid 5086] close(3 [pid 5085] <... mmap resumed>) = 0x20000000 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... setpgid resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5085] close(3 [pid 5084] close(15 [pid 5083] close(28 [pid 5082] exit_group(0 [pid 5087] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5086] read(200, [pid 5085] <... close resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... exit_group resumed>) = ? [pid 5087] <... symlink resumed>) = 0 [pid 5086] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] close(4 [pid 5084] close(16 [pid 5083] close(29 [pid 5087] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... symlink resumed>) = 0 [pid 5086] <... symlink resumed>) = 0 [pid 5085] close(5 [pid 5084] close(17 [pid 5087] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5086] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] +++ exited with 0 +++ [pid 5087] <... symlink resumed>) = 0 [pid 5086] <... 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 5085] close(6 [pid 5084] close(18 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] exit_group(0 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5087] <... openat resumed>) = 3 [pid 5086] <... mmap resumed>) = 0x20002000 [pid 5085] close(7 [pid 5084] close(19 [pid 5083] <... exit_group resumed>) = ? [pid 5087] write(3, "1000", 4 [pid 5086] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] <... write resumed>) = 4 [pid 5086] <... mmap resumed>) = 0x20000000 [pid 5085] close(8 [pid 5084] close(20 [pid 3504] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] close(3 [pid 5086] close(3 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... close resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5085] close(9 [pid 5084] close(21 [pid 3504] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5087] read(200, [pid 5086] close(4 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 5087] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(10 [pid 5084] close(22 [pid 3504] fstat(3, [pid 5087] symlink("/dev/binderfs", "./binderfs" [pid 5086] close(5 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5087] <... symlink resumed>) = 0 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(11 [pid 5084] close(23 [pid 3504] getdents64(3, [pid 5087] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5086] close(6 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5087] <... 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 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(12 [pid 5084] close(24 [pid 3504] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5086] close(7 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... mmap resumed>) = 0x20002000 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(13 [pid 5084] close(25 [pid 3504] lstat("./262/binderfs", [pid 3502] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5087] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5086] close(8 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 5087] <... mmap resumed>) = 0x20000000 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(14 [pid 5084] close(26 [pid 3504] unlink("./262/binderfs" [pid 3502] fstat(3, [pid 5087] close(3 [pid 5086] close(9 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5087] <... close resumed>) = 0 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(15 [pid 5084] close(27 [pid 3504] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 5087] close(4 [pid 5086] close(10 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(16 [pid 5084] close(28 [pid 3504] lstat("./262/cgroup.net", [pid 3502] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] close(5 [pid 5086] close(11 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(17 [pid 5084] close(29 [pid 3504] unlink("./262/cgroup.net" [pid 3502] lstat("./258/binderfs", [pid 5087] close(6 [pid 5086] close(12 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(18 [pid 5084] exit_group(0 [pid 3504] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./258/binderfs" [pid 5087] close(7 [pid 5086] close(13 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(19 [pid 5084] +++ exited with 0 +++ [pid 3504] lstat("./262/cgroup.cpu", [pid 3502] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] close(8 [pid 5086] close(14 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(20 [pid 3504] unlink("./262/cgroup.cpu" [pid 3502] lstat("./258/cgroup.net", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5087] close(9 [pid 5086] close(15 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(21 [pid 3504] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./258/cgroup.net" [pid 5087] close(10 [pid 5086] close(16 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(22 [pid 3504] lstat("./262/cgroup", [pid 3502] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] close(11 [pid 5086] close(17 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(23 [pid 3504] unlink("./262/cgroup" [pid 3502] lstat("./258/cgroup.cpu", [pid 3501] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] close(12 [pid 5086] close(18 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(24 [pid 3504] getdents64(3, [pid 3502] unlink("./258/cgroup.cpu" [pid 3501] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5087] close(13 [pid 5086] close(19 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(25 [pid 3504] close(3 [pid 3502] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 5087] close(14 [pid 5086] close(20 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(26 [pid 3504] rmdir("./262" [pid 3502] lstat("./258/cgroup", [pid 5087] close(15 [pid 5086] close(21 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(27 [pid 3504] mkdir("./263", 0777 [pid 3502] unlink("./258/cgroup" [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5087] close(16 [pid 5086] close(22 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(28 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] getdents64(3, [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5088 attached [pid 5087] close(17 [pid 5086] close(23 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] set_robust_list(0x5555573195e0, 24 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(29 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 265 [pid 3502] close(3 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] close(18 [pid 5086] close(24 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] chdir("./263" [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] exit_group(0 [pid 3502] rmdir("./258" [pid 5088] <... chdir resumed>) = 0 [pid 5087] close(19 [pid 5086] close(25 [pid 5085] <... exit_group resumed>) = ? [pid 3502] <... rmdir resumed>) = 0 [pid 3501] lstat("./253/binderfs", [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] +++ exited with 0 +++ [pid 3502] mkdir("./259", 0777 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5088] <... prctl resumed>) = 0 [pid 5087] close(20 [pid 5086] close(26 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] unlink("./253/binderfs" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] setpgid(0, 0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... 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 5089 attached [pid 5088] <... setpgid resumed>) = 0 [pid 5087] close(21 [pid 5086] close(27 [pid 3501] <... unlink resumed>) = 0 [pid 5089] set_robust_list(0x5555573195e0, 24 [pid 5088] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 261 [pid 3501] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5087] close(22 [pid 5086] close(28 [pid 5089] chdir("./259" [pid 5088] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... chdir resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5087] close(23 [pid 5086] close(29 [pid 3500] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./253/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... prctl resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5087] close(24 [pid 5086] exit_group(0 [pid 3500] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5089] setpgid(0, 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... exit_group resumed>) = ? [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5089] <... setpgid resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5087] close(25 [pid 3501] unlink("./253/cgroup.net" [pid 5089] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5088] write(3, "1000", 4 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] +++ exited with 0 +++ [pid 3501] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 5089] <... symlink resumed>) = 0 [pid 5088] <... write resumed>) = 4 [pid 5087] close(26 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5089] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5088] close(3 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5089] <... symlink resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5087] close(27 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5089] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5088] read(200, [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./253/cgroup.cpu", [pid 3500] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] <... symlink resumed>) = 0 [pid 5088] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] close(28 [pid 3503] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./250/binderfs", [pid 5089] <... openat resumed>) = 3 [pid 5088] <... symlink resumed>) = 0 [pid 5087] close(29 [pid 3503] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] unlink("./253/cgroup.cpu" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5089] write(3, "1000", 4 [pid 5088] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3500] unlink("./250/binderfs" [pid 5089] <... write resumed>) = 4 [pid 5088] <... 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 5087] exit_group(0 [pid 3503] fstat(3, [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5089] close(3 [pid 5088] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5087] <... exit_group resumed>) = ? [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] <... close resumed>) = 0 [pid 5088] <... mmap resumed>) = 0x20002000 [pid 5087] +++ exited with 0 +++ [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] read(200, [pid 5088] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./253/cgroup", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5089] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] lstat("./250/cgroup.net", [pid 5088] <... mmap resumed>) = 0x20000000 [pid 5089] symlink("/dev/binderfs", "./binderfs" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./253/cgroup" [pid 5089] <... symlink resumed>) = 0 [pid 5088] close(3 [pid 3503] lstat("./261/binderfs", [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5089] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5088] <... close resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] getdents64(3, [pid 5089] <... 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 5088] close(4 [pid 3503] unlink("./261/binderfs" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./250/cgroup.net" [pid 5089] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 3499] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./253" [pid 3499] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] lstat("./261/cgroup.net", [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] mkdir("./254", 0777 [pid 3499] fstat(3, [pid 5089] <... mmap resumed>) = 0x20002000 [pid 5088] close(5 [pid 3503] unlink("./261/cgroup.net" [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3500] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5090 attached [pid 5088] close(6 [pid 5089] <... mmap resumed>) = 0x20000000 [pid 3503] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5090] set_robust_list(0x5555573195e0, 24 [pid 5089] close(3 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 256 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] <... close resumed>) = 0 [pid 5088] close(7 [pid 3503] lstat("./261/cgroup.cpu", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] chdir("./254" [pid 5089] close(4 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./250/cgroup.cpu", [pid 3499] lstat("./245/binderfs", [pid 5090] <... chdir resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(8 [pid 3503] unlink("./261/cgroup.cpu" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] close(5 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./245/binderfs" [pid 5090] <... prctl resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(9 [pid 3503] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./250/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5090] setpgid(0, 0 [pid 5089] close(6 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5090] <... setpgid resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(10 [pid 3503] lstat("./261/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./245/cgroup.net", [pid 5090] <... symlink resumed>) = 0 [pid 5089] close(7 [pid 5088] close(11 [pid 3503] unlink("./261/cgroup" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5090] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./245/cgroup.net" [pid 5090] <... symlink resumed>) = 0 [pid 5089] close(8 [pid 5088] close(12 [pid 3503] getdents64(3, [pid 3500] lstat("./250/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 5090] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] close(9 [pid 5090] <... symlink resumed>) = 0 [pid 5088] close(13 [pid 3503] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] unlink("./250/cgroup" [pid 3499] lstat("./245/cgroup.cpu", [pid 5090] <... openat resumed>) = 3 [pid 5089] close(10 [pid 5088] close(14 [pid 3503] rmdir("./261" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5090] write(3, "1000", 4 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5090] <... write resumed>) = 4 [pid 5089] close(11 [pid 5088] close(15 [pid 3503] <... rmdir resumed>) = 0 [pid 3500] getdents64(3, [pid 3499] unlink("./245/cgroup.cpu" [pid 5090] close(3 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./262", 0777 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5090] <... close resumed>) = 0 [pid 5088] close(16 [pid 3500] close(3 [pid 5090] read(200, [pid 5089] close(12 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5090] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(17 [pid 3500] rmdir("./250" [pid 5090] symlink("/dev/binderfs", "./binderfs" [pid 5089] close(13 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... rmdir resumed>) = 0 [pid 3499] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5090] <... symlink resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(18 [pid 3500] mkdir("./251", 0777 [pid 5090] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 5090] <... 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 5089] close(14 [pid 5088] close(19 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5092 attached [pid 5090] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] set_robust_list(0x5555573195e0, 24 [pid 5090] <... mmap resumed>) = 0x20002000 [pid 5088] close(20 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 253 [pid 3499] lstat("./245/cgroup", [pid 5092] <... set_robust_list resumed>) = 0 [pid 5090] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] chdir("./251" [pid 5090] <... mmap resumed>) = 0x20000000 [pid 5088] close(21 [pid 5092] <... chdir resumed>) = 0 [pid 5090] close(3 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... close resumed>) = 0 [pid 5088] close(22 [pid 5092] <... prctl resumed>) = 0 [pid 5090] close(4 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5091 attached [pid 5092] setpgid(0, 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(15 [pid 5088] close(23 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 264 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5092] <... setpgid resumed>) = 0 [pid 5090] close(5 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./245/cgroup" [pid 5092] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5091] set_robust_list(0x5555573195e0, 24 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(16 [pid 5088] close(24 [pid 3499] <... unlink resumed>) = 0 [pid 5092] <... symlink resumed>) = 0 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] close(6 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5092] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5091] chdir("./262" [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(17 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5092] <... symlink resumed>) = 0 [pid 5091] <... chdir resumed>) = 0 [pid 5090] close(7 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(25 [pid 3499] close(3 [pid 5092] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(18 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... close resumed>) = 0 [pid 5092] <... symlink resumed>) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5090] close(8 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(26 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] setpgid(0, 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(19 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./245" [pid 5092] <... openat resumed>) = 3 [pid 5091] <... setpgid resumed>) = 0 [pid 5090] close(9 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(27 [pid 3499] <... rmdir resumed>) = 0 [pid 5092] write(3, "1000", 4 [pid 5091] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(20 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./246", 0777 [pid 5092] <... write resumed>) = 4 [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(10 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(28 [pid 3499] <... mkdir resumed>) = 0 [pid 5092] close(3 [pid 5091] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(21 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached [pid 5092] <... close resumed>) = 0 [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(11 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] set_robust_list(0x5555573195e0, 24 [pid 5092] read(200, [pid 5091] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(22 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 248 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(12 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(29 [pid 5093] chdir("./246" [pid 5092] symlink("/dev/binderfs", "./binderfs" [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(23 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... chdir resumed>) = 0 [pid 5092] <... symlink resumed>) = 0 [pid 5091] <... openat resumed>) = 3 [pid 5090] close(13 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] exit_group(0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5091] write(3, "1000", 4 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(24 [pid 5088] <... exit_group resumed>) = ? [pid 5093] <... prctl resumed>) = 0 [pid 5091] <... write resumed>) = 4 [pid 5092] <... 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 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] setpgid(0, 0 [pid 5091] close(3 [pid 5089] close(25 [pid 5093] <... setpgid resumed>) = 0 [pid 5091] <... close resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5092] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5091] read(200, [pid 5090] close(14 [pid 5089] close(26 [pid 5088] +++ exited with 0 +++ [pid 5093] <... symlink resumed>) = 0 [pid 5092] <... mmap resumed>) = 0x20002000 [pid 5091] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5092] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5090] close(15 [pid 5089] close(27 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5093] <... symlink resumed>) = 0 [pid 5092] <... mmap resumed>) = 0x20000000 [pid 5091] <... symlink resumed>) = 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5092] close(3 [pid 5091] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5093] <... symlink resumed>) = 0 [pid 5092] <... close resumed>) = 0 [pid 5090] close(16 [pid 5089] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] close(4 [pid 5091] <... 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 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5093] <... openat resumed>) = 3 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5090] close(17 [pid 5089] close(29 [pid 3504] <... openat resumed>) = 3 [pid 5093] write(3, "1000", 4 [pid 5092] close(5 [pid 5091] <... mmap resumed>) = 0x20002000 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5093] <... write resumed>) = 4 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5090] close(18 [pid 5089] exit_group(0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5093] close(3 [pid 5092] close(6 [pid 5091] <... mmap resumed>) = 0x20000000 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... exit_group resumed>) = ? [pid 3504] getdents64(3, [pid 5093] <... close resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(3 [pid 5090] close(19 [pid 5089] +++ exited with 0 +++ [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5093] read(200, [pid 5092] close(7 [pid 5091] <... close resumed>) = 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] close(4 [pid 5090] close(20 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] symlink("/dev/binderfs", "./binderfs" [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./263/binderfs", [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5093] <... symlink resumed>) = 0 [pid 5092] close(8 [pid 5091] close(5 [pid 5090] close(21 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5093] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./263/binderfs" [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5093] <... 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 5091] close(6 [pid 5090] close(22 [pid 3504] <... unlink resumed>) = 0 [pid 5093] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5092] close(9 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... restart_syscall resumed>) = 0 [pid 5093] <... mmap resumed>) = 0x20002000 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(7 [pid 5090] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5092] close(10 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./263/cgroup.net", [pid 5093] <... mmap resumed>) = 0x20000000 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(8 [pid 5090] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5093] close(3 [pid 5092] close(11 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./263/cgroup.net" [pid 5093] <... close resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(9 [pid 5090] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 5093] close(4 [pid 5092] close(12 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(10 [pid 5090] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] close(5 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./263/cgroup.cpu", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(11 [pid 5090] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5093] close(6 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./263/cgroup.cpu" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(13 [pid 5091] close(12 [pid 5090] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5093] close(7 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... openat resumed>) = 3 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(14 [pid 5091] close(13 [pid 5090] close(29 [pid 3502] fstat(3, [pid 5093] close(8 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... 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 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(15 [pid 5091] close(14 [pid 5090] exit_group(0 [pid 3504] lstat("./263/cgroup", [pid 3502] getdents64(3, [pid 5093] close(9 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(16 [pid 3502] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] close(17 [pid 3502] lstat("./259/binderfs", [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5092] close(18 [pid 3504] unlink("./263/cgroup" [pid 3502] unlink("./259/binderfs" [pid 5093] close(10 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(15 [pid 5090] +++ exited with 0 +++ [pid 3502] <... unlink resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(19 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] close(11 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(16 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(20 [pid 3504] getdents64(3, [pid 3502] lstat("./259/cgroup.net", [pid 5093] close(12 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5092] close(21 [pid 3502] unlink("./259/cgroup.net" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5093] close(13 [pid 5092] close(22 [pid 5091] close(17 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] close(23 [pid 3502] lstat("./259/cgroup.cpu", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5093] close(14 [pid 5092] close(24 [pid 5091] close(18 [pid 3504] <... close resumed>) = 0 [pid 3502] unlink("./259/cgroup.cpu" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./263" [pid 3502] <... unlink resumed>) = 0 [pid 5093] close(15 [pid 5092] close(25 [pid 5091] close(19 [pid 3502] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] close(16 [pid 5092] close(26 [pid 5091] close(20 [pid 3504] mkdir("./264", 0777 [pid 3502] lstat("./259/cgroup", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5093] close(17 [pid 5092] close(27 [pid 3504] <... mkdir resumed>) = 0 [pid 3502] unlink("./259/cgroup" [pid 3501] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(21 [pid 3502] <... unlink resumed>) = 0 [pid 5092] close(28 [pid 3502] getdents64(3, [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] close(29 [pid 3502] close(3 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... close resumed>) = 0 [pid 5093] close(18 [pid 5092] exit_group(0 [pid 3502] rmdir("./259" [pid 5092] <... exit_group resumed>) = ? [pid 3502] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5094 attached [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] +++ exited with 0 +++ [pid 5091] close(22 [pid 3502] mkdir("./260", 0777 [pid 3501] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5094] set_robust_list(0x5555573195e0, 24 [pid 5093] close(19 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 266 [pid 3502] <... mkdir resumed>) = 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5095 attached [pid 5094] chdir("./264" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(23 [pid 3501] <... openat resumed>) = 3 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5095] set_robust_list(0x5555573195e0, 24 [pid 5094] <... chdir resumed>) = 0 [pid 5093] close(20 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 262 [pid 3501] fstat(3, [pid 3500] <... restart_syscall resumed>) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(24 [pid 5095] chdir("./260" [pid 5094] <... prctl resumed>) = 0 [pid 5093] close(21 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5095] <... chdir resumed>) = 0 [pid 5094] setpgid(0, 0 [pid 3500] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(25 [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... prctl resumed>) = 0 [pid 5094] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3500] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5095] setpgid(0, 0 [pid 5094] <... symlink resumed>) = 0 [pid 5093] close(22 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... openat resumed>) = 3 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(26 [pid 3501] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 5095] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5094] <... symlink resumed>) = 0 [pid 5093] close(23 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./254/binderfs", [pid 3500] getdents64(3, [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... symlink resumed>) = 0 [pid 5093] close(24 [pid 5091] close(27 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5095] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... openat resumed>) = 3 [pid 5093] close(25 [pid 5091] close(28 [pid 3501] unlink("./254/binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5094] write(3, "1000", 4 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./251/binderfs", [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... write resumed>) = 4 [pid 5093] close(26 [pid 5091] close(29 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] close(3 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./251/binderfs" [pid 5095] <... openat resumed>) = 3 [pid 5094] <... close resumed>) = 0 [pid 5091] exit_group(0 [pid 3500] <... unlink resumed>) = 0 [pid 5094] read(200, [pid 3500] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 3500] lstat("./251/cgroup.net", [pid 5094] <... symlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5094] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5093] close(27 [pid 5091] <... exit_group resumed>) = ? [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./251/cgroup.net" [pid 5094] <... 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 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./254/cgroup.net", [pid 3500] <... unlink resumed>) = 0 [pid 5094] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... mmap resumed>) = 0x20002000 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3500] lstat("./251/cgroup.cpu", [pid 5095] write(3, "1000", 4 [pid 5094] <... mmap resumed>) = 0x20000000 [pid 5093] close(28 [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 5095] <... write resumed>) = 4 [pid 5094] close(3 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./254/cgroup.net" [pid 3500] unlink("./251/cgroup.cpu" [pid 5095] close(3 [pid 5094] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5094] close(4 [pid 5093] close(29 [pid 3500] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] read(200, [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] close(5 [pid 3500] lstat("./251/cgroup", [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] exit_group(0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5094] close(6 [pid 5093] <... exit_group resumed>) = ? [pid 3500] unlink("./251/cgroup" [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] +++ exited with 0 +++ [pid 3501] lstat("./254/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 5094] close(7 [pid 3500] getdents64(3, [pid 5095] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5094] <... 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 5094] close(8 [pid 3500] close(3 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 5094] close(9 [pid 3501] unlink("./254/cgroup.cpu" [pid 3500] rmdir("./251" [pid 5095] <... 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 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 5094] close(10 [pid 3500] mkdir("./252", 0777 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 5095] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5094] close(11 [pid 3501] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached [pid 5095] <... mmap resumed>) = 0x20002000 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] +++ exited with 0 +++ [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] set_robust_list(0x5555573195e0, 24 [pid 5095] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5094] close(12 [pid 3501] lstat("./254/cgroup", [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 254 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] <... mmap resumed>) = 0x20000000 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... restart_syscall resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5096] chdir("./252" [pid 5095] close(3 [pid 5094] close(13 [pid 3501] unlink("./254/cgroup" [pid 5096] <... chdir resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] close(4 [pid 5094] close(14 [pid 3503] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 5096] <... prctl resumed>) = 0 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] setpgid(0, 0 [pid 5094] close(15 [pid 5096] <... setpgid resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5094] close(16 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5095] close(5 [pid 5096] <... symlink resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(17 [pid 3503] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... symlink resumed>) = 0 [pid 5095] close(6 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3501] <... close resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5096] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(18 [pid 3503] fstat(3, [pid 3501] rmdir("./254" [pid 3499] <... openat resumed>) = 3 [pid 5096] <... symlink resumed>) = 0 [pid 5095] close(7 [pid 5094] <... 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 3499] fstat(3, [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(19 [pid 3503] getdents64(3, [pid 3501] mkdir("./255", 0777 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5095] close(8 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5096] <... openat resumed>) = 3 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(20 [pid 3503] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5097 attached [pid 5096] write(3, "1000", 4 [pid 5095] close(9 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] set_robust_list(0x5555573195e0, 24 [pid 5096] <... write resumed>) = 4 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(21 [pid 3503] lstat("./262/binderfs", [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 257 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] close(3 [pid 5095] close(10 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./246/binderfs", [pid 5097] chdir("./255" [pid 5096] <... close resumed>) = 0 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(22 [pid 3503] unlink("./262/binderfs" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5097] <... chdir resumed>) = 0 [pid 5096] read(200, [pid 5095] close(11 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] unlink("./246/binderfs" [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(23 [pid 3503] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5097] <... prctl resumed>) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5095] close(12 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] setpgid(0, 0 [pid 5096] <... symlink resumed>) = 0 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(24 [pid 3503] lstat("./262/cgroup.net", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... setpgid resumed>) = 0 [pid 5096] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5095] close(13 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./246/cgroup.net", [pid 5097] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5096] <... 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 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(25 [pid 3503] unlink("./262/cgroup.net" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5097] <... symlink resumed>) = 0 [pid 5096] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5095] close(14 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3499] unlink("./246/cgroup.net" [pid 5097] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5096] <... mmap resumed>) = 0x20002000 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] close(26 [pid 3503] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5097] <... symlink resumed>) = 0 [pid 5096] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5095] close(15 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./262/cgroup.cpu", [pid 5096] <... mmap resumed>) = 0x20000000 [pid 5094] close(27 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... symlink resumed>) = 0 [pid 5095] close(16 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./246/cgroup.cpu", [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] close(3 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./262/cgroup.cpu" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] <... close resumed>) = 0 [pid 5095] close(17 [pid 5094] close(28 [pid 3503] <... unlink resumed>) = 0 [pid 3499] unlink("./246/cgroup.cpu" [pid 5097] write(3, "1000", 4 [pid 5096] close(4 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(18 [pid 5094] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] close(3 [pid 5096] close(5 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./262/cgroup", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... close resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(19 [pid 5094] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5097] read(200, [pid 5096] close(6 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] <... exit_group resumed>) = ? [pid 3503] unlink("./262/cgroup" [pid 3499] lstat("./246/cgroup", [pid 5097] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(20 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs" [pid 5096] close(7 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] +++ exited with 0 +++ [pid 3503] getdents64(3, [pid 3499] unlink("./246/cgroup" [pid 5097] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(21 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5097] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5096] close(8 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3503] close(3 [pid 3499] getdents64(3, [pid 5097] <... 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 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(22 [pid 3504] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5097] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5096] close(9 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] rmdir("./262" [pid 3499] close(3 [pid 5097] <... mmap resumed>) = 0x20002000 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(23 [pid 3504] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... rmdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5097] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5096] close(10 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] mkdir("./263", 0777 [pid 3499] rmdir("./246" [pid 5097] <... mmap resumed>) = 0x20000000 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(24 [pid 3504] fstat(3, [pid 3503] <... mkdir resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5097] close(3 [pid 5096] close(11 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] mkdir("./247", 0777./strace-static-x86_64: Process 5098 attached [pid 5097] <... close resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(25 [pid 3504] getdents64(3, [pid 3499] <... mkdir resumed>) = 0 [pid 5098] set_robust_list(0x5555573195e0, 24 [pid 5097] close(4 [pid 5096] close(12 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 265 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(26 [pid 3504] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] set_robust_list(0x5555573195e0, 24 [pid 5098] chdir("./263" [pid 5097] close(5 [pid 5096] close(13 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 249 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] <... chdir resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(27 [pid 3504] lstat("./264/binderfs", [pid 5099] chdir("./247" [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] close(6 [pid 5096] close(14 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5099] <... chdir resumed>) = 0 [pid 5098] <... prctl resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(28 [pid 3504] unlink("./264/binderfs" [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] setpgid(0, 0 [pid 5097] close(7 [pid 5096] close(15 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5099] <... prctl resumed>) = 0 [pid 5098] <... setpgid resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] close(29 [pid 3504] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] setpgid(0, 0 [pid 5098] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5097] close(8 [pid 5096] close(16 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... symlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] exit_group(0 [pid 3504] lstat("./264/cgroup.net", [pid 5099] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5098] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5097] close(9 [pid 5096] close(17 [pid 5095] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5099] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5098] <... symlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] close(18 [pid 5099] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5096] close(19 [pid 5099] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5097] close(10 [pid 5096] close(20 [pid 5095] +++ exited with 0 +++ [pid 3504] unlink("./264/cgroup.net" [pid 5099] <... openat resumed>) = 3 [pid 5098] <... symlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] write(3, "1000", 4 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] close(11 [pid 5096] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 5099] <... write resumed>) = 4 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] close(3 [pid 5096] close(22 [pid 5099] <... close resumed>) = 0 [pid 5098] <... openat resumed>) = 3 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] read(200, [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] close(23 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5099] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] symlink("/dev/binderfs", "./binderfs" [pid 5096] close(24 [pid 5099] <... symlink resumed>) = 0 [pid 5098] write(3, "1000", 4 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5099] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5097] close(12 [pid 5096] close(25 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5098] <... write resumed>) = 4 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./264/cgroup.cpu", [pid 3502] <... restart_syscall resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] <... 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 5098] close(3 [pid 5097] close(13 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5096] close(26 [pid 5099] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5098] <... close resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./264/cgroup.cpu" [pid 5099] <... mmap resumed>) = 0x20002000 [pid 5098] read(200, [pid 5097] close(14 [pid 5096] close(27 [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5098] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5099] <... mmap resumed>) = 0x20000000 [pid 5098] symlink("/dev/binderfs", "./binderfs" [pid 5097] close(15 [pid 5096] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5099] close(3 [pid 5098] <... symlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./264/cgroup", [pid 3502] <... openat resumed>) = 3 [pid 5099] <... close resumed>) = 0 [pid 5098] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5097] close(16 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] fstat(3, [pid 5099] close(4 [pid 5098] <... 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 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] close(29 [pid 3504] unlink("./264/cgroup" [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5097] close(17 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 5099] close(5 [pid 5098] <... mmap resumed>) = 0x20002000 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5097] close(18 [pid 5096] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] close(6 [pid 5098] <... mmap resumed>) = 0x20000000 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... exit_group resumed>) = ? [pid 3504] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5098] close(3 [pid 5097] close(19 [pid 3504] <... close resumed>) = 0 [pid 3502] lstat("./260/binderfs", [pid 5098] <... close resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./264" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5098] close(4 [pid 5097] close(20 [pid 3504] <... rmdir resumed>) = 0 [pid 3502] unlink("./260/binderfs" [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] +++ exited with 0 +++ [pid 3504] mkdir("./265", 0777 [pid 3502] <... unlink resumed>) = 0 [pid 5099] close(7 [pid 5098] close(5 [pid 5097] close(21 [pid 3504] <... mkdir resumed>) = 0 [pid 3502] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 5100 attached [pid 5099] close(8 [pid 5098] close(6 [pid 5097] close(22 [pid 3502] lstat("./260/cgroup.net", [pid 3500] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5100] set_robust_list(0x5555573195e0, 24 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 267 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] close(9 [pid 5098] close(7 [pid 5097] close(23 [pid 3502] unlink("./260/cgroup.net" [pid 3500] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5100] chdir("./265" [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5100] <... chdir resumed>) = 0 [pid 5099] close(10 [pid 5098] close(8 [pid 5097] close(24 [pid 3502] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5100] <... prctl resumed>) = 0 [pid 5099] close(11 [pid 5098] close(9 [pid 5097] close(25 [pid 3502] lstat("./260/cgroup.cpu", [pid 3500] getdents64(3, [pid 5100] setpgid(0, 0 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] close(12 [pid 5098] close(10 [pid 5097] close(26 [pid 3502] unlink("./260/cgroup.cpu" [pid 3500] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5100] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... symlink resumed>) = 0 [pid 5099] close(13 [pid 5098] close(11 [pid 5097] close(27 [pid 3502] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./252/binderfs", [pid 5100] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5100] <... symlink resumed>) = 0 [pid 5099] close(14 [pid 5098] close(12 [pid 5097] close(28 [pid 3502] lstat("./260/cgroup", [pid 3500] unlink("./252/binderfs" [pid 5100] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5100] <... symlink resumed>) = 0 [pid 5099] close(15 [pid 5098] close(13 [pid 5097] close(29 [pid 3502] unlink("./260/cgroup" [pid 3500] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... openat resumed>) = 3 [pid 5099] close(16 [pid 5098] close(14 [pid 5097] exit_group(0 [pid 3502] getdents64(3, [pid 3500] lstat("./252/cgroup.net", [pid 5100] write(3, "1000", 4 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... exit_group resumed>) = ? [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5100] <... write resumed>) = 4 [pid 5099] close(17 [pid 5098] close(15 [pid 5100] close(3 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] +++ exited with 0 +++ [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3500] unlink("./252/cgroup.net" [pid 5100] <... close resumed>) = 0 [pid 5099] close(18 [pid 5098] close(16 [pid 3502] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5100] read(200, [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./260" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5100] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] close(19 [pid 5098] close(17 [pid 3502] <... rmdir resumed>) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs" [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... symlink resumed>) = 0 [pid 5099] close(20 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./261", 0777 [pid 3500] lstat("./252/cgroup.cpu", [pid 5100] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(18 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5099] close(21) = -1 EBADF (Bad file descriptor) [pid 5099] close(22) = -1 EBADF (Bad file descriptor) [pid 5099] close(23) = -1 EBADF (Bad file descriptor) [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5100] <... 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 5099] close(24 [pid 5098] close(19 [pid 5100] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... openat resumed>) = 3 [pid 3500] unlink("./252/cgroup.cpu" [pid 5100] <... mmap resumed>) = 0x20002000 [pid 5099] close(25 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] close(26./strace-static-x86_64: Process 5101 attached ) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 3500] <... unlink resumed>) = 0 [pid 5100] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5099] close(27 [pid 5098] close(20 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 263 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] set_robust_list(0x5555573195e0, 24 [pid 5100] <... mmap resumed>) = 0x20000000 [pid 5099] close(28 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] close(3 [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(21 [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] chdir("./261" [pid 5100] <... close resumed>) = 0 [pid 5099] close(29 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] lstat("./252/cgroup", [pid 5099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... chdir resumed>) = 0 [pid 5100] close(4 [pid 5099] exit_group(0 [pid 5098] close(22 [pid 3501] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5099] <... exit_group resumed>) = ? [pid 5101] <... prctl resumed>) = 0 [pid 5100] close(5 [pid 5099] +++ exited with 0 +++ [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./252/cgroup" [pid 5101] setpgid(0, 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(23 [pid 3501] lstat("./255/binderfs", [pid 3500] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5101] <... setpgid resumed>) = 0 [pid 5100] close(6 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] getdents64(3, [pid 5101] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(24 [pid 3501] unlink("./255/binderfs" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5101] <... symlink resumed>) = 0 [pid 5100] close(7 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 5101] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(25 [pid 3501] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 3499] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] <... symlink resumed>) = 0 [pid 5100] close(8 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./252" [pid 3499] fstat(3, [pid 5101] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(26 [pid 3501] lstat("./255/cgroup.net", [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5101] <... symlink resumed>) = 0 [pid 5100] close(9 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] mkdir("./253", 0777 [pid 3499] getdents64(3, [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(27 [pid 3501] unlink("./255/cgroup.net" [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5101] <... openat resumed>) = 3 [pid 5100] close(10 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] write(3, "1000", 4 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(28 [pid 3501] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5102 attached [pid 5101] <... write resumed>) = 4 [pid 5100] close(11 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 255 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] set_robust_list(0x5555573195e0, 24 [pid 5101] close(3 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] close(29 [pid 3501] lstat("./255/cgroup.cpu", [pid 3499] lstat("./247/binderfs", [pid 5102] <... set_robust_list resumed>) = 0 [pid 5101] <... close resumed>) = 0 [pid 5100] close(12 [pid 5098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5102] chdir("./253" [pid 5101] read(200, [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] exit_group(0 [pid 3501] unlink("./255/cgroup.cpu" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5102] <... chdir resumed>) = 0 [pid 5101] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] close(13 [pid 5098] <... exit_group resumed>) = ? [pid 3501] <... unlink resumed>) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] symlink("/dev/binderfs", "./binderfs" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./247/binderfs" [pid 5102] <... prctl resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5102] setpgid(0, 0 [pid 3499] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] <... setpgid resumed>) = 0 [pid 5101] <... symlink resumed>) = 0 [pid 5100] close(14 [pid 3501] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./247/cgroup.net", [pid 5102] <... symlink resumed>) = 0 [pid 5101] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5100] close(15 [pid 5098] +++ exited with 0 +++ [pid 3501] lstat("./255/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5102] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5101] <... 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 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./247/cgroup.net" [pid 5102] <... symlink resumed>) = 0 [pid 5101] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5100] close(16 [pid 3501] unlink("./255/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5102] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5101] <... mmap resumed>) = 0x20002000 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5102] <... symlink resumed>) = 0 [pid 5101] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5100] close(17 [pid 3499] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] <... mmap resumed>) = 0x20000000 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... openat resumed>) = 3 [pid 5101] close(3 [pid 5100] close(18 [pid 3503] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./247/cgroup.cpu", [pid 5102] write(3, "1000", 4 [pid 5101] <... close resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5102] <... write resumed>) = 4 [pid 3499] unlink("./247/cgroup.cpu" [pid 5102] close(3 [pid 5101] close(4 [pid 5100] close(19 [pid 3503] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5102] <... close resumed>) = 0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] read(200, [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] close(5 [pid 5100] close(20 [pid 3503] fstat(3, [pid 3501] rmdir("./255" [pid 3499] lstat("./247/cgroup", [pid 5102] symlink("/dev/binderfs", "./binderfs" [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5102] <... symlink resumed>) = 0 [pid 5101] close(6 [pid 5100] <... 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 3499] unlink("./247/cgroup" [pid 5102] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] close(21 [pid 3503] getdents64(3, [pid 3501] mkdir("./256", 0777 [pid 3499] <... unlink resumed>) = 0 [pid 5102] <... 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 5101] close(7 [pid 3499] getdents64(3, [pid 5102] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5102] <... mmap resumed>) = 0x20002000 [pid 5101] close(8 [pid 5100] close(22 [pid 3503] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] close(3 [pid 5102] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... mmap resumed>) = 0x20000000 [pid 3499] rmdir("./247" [pid 5102] close(3 [pid 3499] <... rmdir resumed>) = 0 [pid 5102] <... close resumed>) = 0 [pid 3499] mkdir("./248", 0777 [pid 5102] close(4 [pid 3499] <... mkdir resumed>) = 0 [pid 5102] <... 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 5103 attached [pid 5102] close(5 [pid 5103] set_robust_list(0x5555573195e0, 24 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 250 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] close(6 [pid 5103] chdir("./248" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... chdir resumed>) = 0 [pid 5102] close(7 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... prctl resumed>) = 0 [pid 5102] close(8 [pid 5103] setpgid(0, 0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... setpgid resumed>) = 0 [pid 5102] close(9./strace-static-x86_64: Process 5104 attached [pid 5103] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(9 [pid 5100] close(23 [pid 3503] lstat("./263/binderfs", [pid 5104] set_robust_list(0x5555573195e0, 24 [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(10 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(10 [pid 5100] close(24 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 258 [pid 5104] chdir("./256" [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(11 [pid 3503] unlink("./263/binderfs" [pid 5104] <... chdir resumed>) = 0 [pid 5103] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(12 [pid 5101] close(11 [pid 5100] close(25 [pid 3503] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] <... prctl resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] setpgid(0, 0 [pid 5103] <... openat resumed>) = 3 [pid 5102] close(13 [pid 5104] <... setpgid resumed>) = 0 [pid 5103] write(3, "1000", 4 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5103] <... write resumed>) = 4 [pid 5102] close(14 [pid 5104] <... symlink resumed>) = 0 [pid 5103] close(3 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5103] <... close resumed>) = 0 [pid 5102] close(15 [pid 5104] <... symlink resumed>) = 0 [pid 5103] read(200, [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5104] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5103] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5102] close(16 [pid 5101] close(12 [pid 5100] close(26 [pid 5104] <... symlink resumed>) = 0 [pid 5103] symlink("/dev/binderfs", "./binderfs" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./263/cgroup.net", [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(17 [pid 5101] close(13 [pid 5104] <... openat resumed>) = 3 [pid 5103] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] close(27 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5104] write(3, "1000", 4 [pid 5103] <... 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 5102] close(18 [pid 5104] <... write resumed>) = 4 [pid 5103] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(3 [pid 5103] <... mmap resumed>) = 0x20002000 [pid 5102] close(19 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./263/cgroup.net" [pid 5104] <... close resumed>) = 0 [pid 5103] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(14 [pid 5100] close(28 [pid 5104] read(200, [pid 5103] <... mmap resumed>) = 0x20000000 [pid 5102] close(20 [pid 3503] <... unlink resumed>) = 0 [pid 5104] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] close(3 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] symlink("/dev/binderfs", "./binderfs" [pid 5103] <... close resumed>) = 0 [pid 5102] close(21 [pid 3503] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] <... symlink resumed>) = 0 [pid 5103] close(4 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(15 [pid 5100] close(29 [pid 5104] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(22 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5104] <... 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 5103] close(5 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(23 [pid 5104] <... mmap resumed>) = 0x20002000 [pid 5103] close(6 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(16 [pid 5100] exit_group(0 [pid 3503] lstat("./263/cgroup.cpu", [pid 5104] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(24 [pid 5104] <... mmap resumed>) = 0x20000000 [pid 5103] close(7 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5104] close(3 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(25 [pid 5101] close(17 [pid 5104] <... close resumed>) = 0 [pid 5103] close(8 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(4 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(26 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(9 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(5 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(27 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(10 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] +++ exited with 0 +++ [pid 3503] unlink("./263/cgroup.cpu" [pid 5104] close(6 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(28 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(11 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(7 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(29 [pid 5101] close(18 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(12 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5104] close(8 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] exit_group(0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(13 [pid 5102] <... exit_group resumed>) = ? [pid 3503] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] close(9 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] +++ exited with 0 +++ [pid 5101] close(19 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(14 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./263/cgroup", [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5104] close(10 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(20 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(15 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./263/cgroup" [pid 5104] close(11 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(21 [pid 3503] <... unlink resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(16 [pid 3504] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] close(12 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(17 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] close(13 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(18 [pid 5104] close(14 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(22 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(19 [pid 3504] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5104] close(15 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(20 [pid 3504] <... openat resumed>) = 3 [pid 3500] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5104] close(16 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(23 [pid 3504] fstat(3, [pid 3503] <... close resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(21 [pid 3500] <... openat resumed>) = 3 [pid 5104] close(17 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(22 [pid 5104] close(18 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./263" [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(23 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] fstat(3, [pid 5104] close(19 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... rmdir resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(24 [pid 5101] close(24 [pid 5104] close(20 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] mkdir("./264", 0777 [pid 3500] getdents64(3, [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(25 [pid 5101] close(25 [pid 3504] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] close(21 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(26 [pid 5101] close(26 [pid 3504] lstat("./265/binderfs", [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5104] close(22 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5105 attached [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(27 [pid 5101] close(27 [pid 3504] unlink("./265/binderfs" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 266 [pid 3500] lstat("./253/binderfs", [pid 5105] set_robust_list(0x5555573195e0, 24 [pid 5104] close(23 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(28 [pid 5101] close(28 [pid 3500] unlink("./253/binderfs" [pid 5105] chdir("./264" [pid 5104] close(24 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5105] <... chdir resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(29 [pid 5101] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] close(25 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] exit_group(0 [pid 3504] lstat("./265/cgroup.net", [pid 3500] lstat("./253/cgroup.net", [pid 5105] <... prctl resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] exit_group(0 [pid 5101] <... exit_group resumed>) = ? [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5105] setpgid(0, 0 [pid 5104] close(26 [pid 5103] <... exit_group resumed>) = ? [pid 5101] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./253/cgroup.net" [pid 5105] <... setpgid resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3500] <... unlink resumed>) = 0 [pid 3500] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5105] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5104] close(27 [pid 5103] +++ exited with 0 +++ [pid 3504] unlink("./265/cgroup.net" [pid 3502] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./253/cgroup.cpu", [pid 5105] <... symlink resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... 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 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5105] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5104] close(28 [pid 3504] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] unlink("./253/cgroup.cpu" [pid 5105] <... symlink resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 3500] <... unlink resumed>) = 0 [pid 5105] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5104] close(29 [pid 3504] lstat("./265/cgroup.cpu", [pid 3502] fstat(3, [pid 5105] <... symlink resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] exit_group(0 [pid 3504] unlink("./265/cgroup.cpu" [pid 3502] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5105] <... openat resumed>) = 3 [pid 5104] <... exit_group resumed>) = ? [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] lstat("./253/cgroup", [pid 5104] +++ exited with 0 +++ [pid 5105] write(3, "1000", 4 [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5105] <... write resumed>) = 4 [pid 3504] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] unlink("./253/cgroup" [pid 3499] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5105] close(3 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./261/binderfs", [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... unlink resumed>) = 0 [pid 5105] <... close resumed>) = 0 [pid 3504] lstat("./265/cgroup", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 5105] read(200, [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] unlink("./261/binderfs" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5105] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] unlink("./265/cgroup" [pid 3502] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 3499] fstat(3, [pid 5105] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 5105] <... symlink resumed>) = 0 [pid 3504] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5105] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] lstat("./261/cgroup.net", [pid 3501] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] rmdir("./253" [pid 3499] getdents64(3, [pid 5105] <... 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] close(3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5105] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... close resumed>) = 0 [pid 3502] unlink("./261/cgroup.net" [pid 3500] mkdir("./254", 0777 [pid 3499] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5105] <... mmap resumed>) = 0x20002000 [pid 3504] rmdir("./265" [pid 3502] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5105] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... rmdir resumed>) = 0 [pid 3502] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] lstat("./248/binderfs", [pid 5105] <... mmap resumed>) = 0x20000000 [pid 3504] mkdir("./266", 0777 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5105] close(3 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] unlink("./248/binderfs" [pid 5105] <... close resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./261/cgroup.cpu", [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5107 attached ./strace-static-x86_64: Process 5106 attached [pid 5105] close(4 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] set_robust_list(0x5555573195e0, 24 [pid 5106] set_robust_list(0x5555573195e0, 24 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 268 [pid 3501] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 256 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] close(5 [pid 3502] unlink("./261/cgroup.cpu" [pid 3499] lstat("./248/cgroup.net", [pid 5107] chdir("./266" [pid 5106] chdir("./254" [pid 5105] <... 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=19, ...}) = 0 [pid 5107] <... chdir resumed>) = 0 [pid 5106] <... chdir resumed>) = 0 [pid 5105] close(6 [pid 3502] <... unlink resumed>) = 0 [pid 3499] unlink("./248/cgroup.net" [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5107] <... prctl resumed>) = 0 [pid 5106] <... prctl resumed>) = 0 [pid 5105] close(7 [pid 3499] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] setpgid(0, 0 [pid 5106] setpgid(0, 0 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... setpgid resumed>) = 0 [pid 5106] <... setpgid resumed>) = 0 [pid 5105] close(8 [pid 3499] lstat("./248/cgroup.cpu", [pid 5107] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5106] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./256/binderfs", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5107] <... symlink resumed>) = 0 [pid 5106] <... symlink resumed>) = 0 [pid 5105] close(9 [pid 3502] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./248/cgroup.cpu" [pid 5107] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5106] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5107] <... symlink resumed>) = 0 [pid 5106] <... symlink resumed>) = 0 [pid 5105] close(10 [pid 3502] lstat("./261/cgroup", [pid 3501] unlink("./256/binderfs" [pid 3499] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5106] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... symlink resumed>) = 0 [pid 5106] <... symlink resumed>) = 0 [pid 5105] close(11 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./248/cgroup", [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./261/cgroup" [pid 3501] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5107] <... openat resumed>) = 3 [pid 5106] <... openat resumed>) = 3 [pid 5105] close(12 [pid 3499] unlink("./248/cgroup" [pid 5107] write(3, "1000", 4 [pid 5106] write(3, "1000", 4 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5107] <... write resumed>) = 4 [pid 5106] <... write resumed>) = 4 [pid 5105] close(13 [pid 3499] getdents64(3, [pid 5107] close(3 [pid 5106] close(3 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3501] lstat("./256/cgroup.net", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5107] <... close resumed>) = 0 [pid 5106] <... close resumed>) = 0 [pid 5105] close(14 [pid 3499] close(3 [pid 5107] read(200, [pid 5106] read(200, [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... close resumed>) = 0 [pid 5107] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] close(15 [pid 3502] close(3 [pid 3501] unlink("./256/cgroup.net" [pid 3499] rmdir("./248" [pid 5107] symlink("/dev/binderfs", "./binderfs" [pid 5106] symlink("/dev/binderfs", "./binderfs" [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... close resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5107] <... symlink resumed>) = 0 [pid 5106] <... symlink resumed>) = 0 [pid 5105] close(16 [pid 3502] rmdir("./261" [pid 3501] <... unlink resumed>) = 0 [pid 3499] mkdir("./249", 0777 [pid 5107] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5106] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5107] <... 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 5106] <... 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 5105] close(17 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5106] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5108 attached [pid 5107] <... mmap resumed>) = 0x20002000 [pid 5106] <... mmap resumed>) = 0x20002000 [pid 5105] close(18 [pid 3502] mkdir("./262", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5108] set_robust_list(0x5555573195e0, 24 [pid 5107] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5106] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] lstat("./256/cgroup.cpu", [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 251 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] <... mmap resumed>) = 0x20000000 [pid 5106] <... mmap resumed>) = 0x20000000 [pid 5105] close(19 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5108] chdir("./249" [pid 5107] close(3 [pid 5106] close(3 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] <... chdir resumed>) = 0 [pid 5107] <... close resumed>) = 0 [pid 5106] <... close resumed>) = 0 [pid 5105] close(20./strace-static-x86_64: Process 5109 attached [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] close(4 [pid 5106] close(4 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./256/cgroup.cpu" [pid 5109] set_robust_list(0x5555573195e0, 24 [pid 5108] <... prctl resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(21 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 264 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] setpgid(0, 0 [pid 5107] close(5 [pid 5106] close(5 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] chdir("./262" [pid 5108] <... setpgid resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(22 [pid 5109] <... chdir resumed>) = 0 [pid 5108] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5107] close(6 [pid 5106] close(6 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] <... symlink resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(23 [pid 5109] <... prctl resumed>) = 0 [pid 5108] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5107] close(7 [pid 5106] close(7 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] setpgid(0, 0 [pid 5108] <... symlink resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(24 [pid 3501] <... unlink resumed>) = 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5108] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5107] close(8 [pid 5106] close(8 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5108] <... symlink resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(25 [pid 5109] <... symlink resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] close(9 [pid 5106] close(9 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5108] <... openat resumed>) = 3 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(26 [pid 5109] <... symlink resumed>) = 0 [pid 5108] write(3, "1000", 4 [pid 5107] close(10 [pid 5106] close(10 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./256/cgroup", [pid 5109] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5108] <... write resumed>) = 4 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(27 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5109] <... symlink resumed>) = 0 [pid 5108] close(3 [pid 5107] close(11 [pid 5106] close(11 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./256/cgroup" [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] <... close resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(28 [pid 5109] <... openat resumed>) = 3 [pid 5108] read(200, [pid 5107] close(12 [pid 5106] close(12 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5109] write(3, "1000", 4 [pid 5108] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(29 [pid 3501] getdents64(3, [pid 5109] <... write resumed>) = 4 [pid 5108] symlink("/dev/binderfs", "./binderfs" [pid 5107] close(13 [pid 5106] close(13 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(3 [pid 5108] <... symlink resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] exit_group(0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5109] <... close resumed>) = 0 [pid 5108] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5107] close(14 [pid 5106] close(14 [pid 5105] <... exit_group resumed>) = ? [pid 3501] close(3 [pid 5109] read(200, [pid 5108] <... 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 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] +++ exited with 0 +++ [pid 5109] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5107] close(15 [pid 5106] close(15 [pid 3501] <... close resumed>) = 0 [pid 5109] symlink("/dev/binderfs", "./binderfs" [pid 5108] <... mmap resumed>) = 0x20002000 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5109] <... symlink resumed>) = 0 [pid 5108] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5107] close(16 [pid 5106] close(16 [pid 3501] rmdir("./256" [pid 5109] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5108] <... mmap resumed>) = 0x20000000 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... 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 5108] close(3 [pid 5107] close(17 [pid 5106] close(17 [pid 3501] <... rmdir resumed>) = 0 [pid 5109] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5108] <... close resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... mmap resumed>) = 0x20002000 [pid 5108] close(4 [pid 5107] close(18 [pid 5106] close(18 [pid 3503] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] mkdir("./257", 0777 [pid 5109] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... mmap resumed>) = 0x20000000 [pid 5108] close(5 [pid 5107] close(19 [pid 5106] close(19 [pid 5109] close(3 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... close resumed>) = 0 [pid 5108] close(6 [pid 5107] close(20 [pid 5106] close(20 [pid 5109] close(4 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(7 [pid 5107] close(21 [pid 5106] close(21 [pid 3503] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5109] close(5 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(8 [pid 5107] close(22 [pid 5106] close(22./strace-static-x86_64: Process 5110 attached [pid 5109] close(6 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 5110] set_robust_list(0x5555573195e0, 24 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(9 [pid 5107] close(23 [pid 5106] close(23 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 259 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] close(7 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] chdir("./257" [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(10 [pid 5107] close(24 [pid 5106] close(24 [pid 3503] getdents64(3, [pid 5110] <... chdir resumed>) = 0 [pid 5109] close(8 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(11 [pid 5107] close(25 [pid 5106] close(25 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5110] <... prctl resumed>) = 0 [pid 5109] close(9 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] setpgid(0, 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(12 [pid 5107] close(26 [pid 5106] close(26 [pid 5110] <... setpgid resumed>) = 0 [pid 5109] close(10 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(13 [pid 5107] close(27 [pid 5106] close(27 [pid 3503] lstat("./264/binderfs", [pid 5110] <... symlink resumed>) = 0 [pid 5109] close(11 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(14 [pid 5107] close(28 [pid 5106] close(28 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5110] <... symlink resumed>) = 0 [pid 5109] close(12 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./264/binderfs" [pid 5110] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(15 [pid 5107] close(29 [pid 5106] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 5110] <... symlink resumed>) = 0 [pid 5109] close(13 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(16 [pid 5107] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] close(14 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... exit_group resumed>) = ? [pid 5106] exit_group(0 [pid 3503] lstat("./264/cgroup.net", [pid 5110] <... openat resumed>) = 3 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(17 [pid 5106] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./264/cgroup.net") = 0 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] close(15 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./264/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./264/cgroup.cpu" [pid 5110] write(3, "1000", 4 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(18 [pid 5106] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 5110] <... write resumed>) = 4 [pid 5109] close(16 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] +++ exited with 0 +++ [pid 3503] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5110] close(3 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... close resumed>) = 0 [pid 5109] close(17 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] lstat("./264/cgroup", [pid 5110] read(200, [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(20 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 5110] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] close(18 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs" [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(21 [pid 5110] <... symlink resumed>) = 0 [pid 5109] close(19 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./264/cgroup" [pid 5110] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(22 [pid 3504] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... 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 5109] close(20 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 5110] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(23 [pid 3504] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... mmap resumed>) = 0x20002000 [pid 5109] close(21 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] getdents64(3, [pid 5110] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(24 [pid 3504] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5110] <... mmap resumed>) = 0x20000000 [pid 5109] close(22 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5110] close(3 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(25 [pid 3504] getdents64(3, [pid 3503] close(3 [pid 3500] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5110] <... close resumed>) = 0 [pid 5109] close(23 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5110] close(4 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(26 [pid 3504] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... close resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(24 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] rmdir("./264" [pid 3500] fstat(3, [pid 5110] close(5 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(27 [pid 3504] lstat("./266/binderfs", [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(25 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5110] close(6 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(28 [pid 3504] unlink("./266/binderfs" [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(26 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5110] close(7 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] close(29 [pid 3504] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(27 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] close(8 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] exit_group(0 [pid 3504] lstat("./266/cgroup.net", [pid 3503] <... rmdir resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(28 [pid 5108] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5110] close(9 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] +++ exited with 0 +++ [pid 3504] unlink("./266/cgroup.net" [pid 3503] mkdir("./265", 0777 [pid 3500] getdents64(3, [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 5110] close(10 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5110] close(11 [pid 5109] <... exit_group resumed>) = ? [pid 3504] lstat("./266/cgroup.cpu", [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5110] close(12 [pid 5109] +++ exited with 0 +++ [pid 3504] unlink("./266/cgroup.cpu" [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5110] close(13 [pid 3504] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] close(14 [pid 3504] lstat("./266/cgroup", ./strace-static-x86_64: Process 5111 attached [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] set_robust_list(0x5555573195e0, 24 [pid 5110] close(15 [pid 3504] unlink("./266/cgroup" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 267 [pid 3500] lstat("./254/binderfs", [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5111] chdir("./265" [pid 5110] close(16 [pid 3504] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5111] <... chdir resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] close(17 [pid 3504] close(3 [pid 3502] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./254/binderfs" [pid 5111] <... prctl resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] setpgid(0, 0 [pid 5110] close(18 [pid 3504] rmdir("./266" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] <... setpgid resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5111] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5110] close(19 [pid 3504] mkdir("./267", 0777 [pid 5111] <... symlink resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3500] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 5111] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5110] close(20 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5112 attached [pid 5111] <... symlink resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5112] set_robust_list(0x5555573195e0, 24 [pid 5111] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5110] close(21 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 269 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] <... symlink resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./254/cgroup.net", [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5112] chdir("./267" [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] close(22 [pid 3502] getdents64(3, [pid 5112] <... chdir resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] getdents64(3, [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] write(3, "1000", 4 [pid 5110] close(23 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5112] <... prctl resumed>) = 0 [pid 5111] <... write resumed>) = 4 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] setpgid(0, 0 [pid 5111] close(3 [pid 5110] close(24 [pid 3502] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./254/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] <... close resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5111] read(200, [pid 5110] close(25 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... symlink resumed>) = 0 [pid 5111] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5111] symlink("/dev/binderfs", "./binderfs" [pid 5110] close(26 [pid 3502] lstat("./262/binderfs", [pid 3500] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] <... symlink resumed>) = 0 [pid 5111] <... symlink resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./249/binderfs", [pid 5112] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5111] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5110] close(27 [pid 3502] unlink("./262/binderfs" [pid 3500] lstat("./254/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5112] <... symlink resumed>) = 0 [pid 5111] <... 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 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./249/binderfs" [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5110] close(28 [pid 3502] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./254/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5112] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] write(3, "1000", 4 [pid 5111] <... mmap resumed>) = 0x20002000 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./262/cgroup.net", [pid 3500] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] <... write resumed>) = 4 [pid 5111] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5110] close(29 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./249/cgroup.net", [pid 5112] close(3 [pid 5111] <... mmap resumed>) = 0x20000000 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./262/cgroup.net" [pid 3500] lstat("./254/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5112] <... close resumed>) = 0 [pid 5111] close(3 [pid 5110] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./249/cgroup.net" [pid 5112] read(200, [pid 5111] <... close resumed>) = 0 [pid 5110] <... exit_group resumed>) = ? [pid 3502] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./254/cgroup" [pid 5112] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs" [pid 3502] lstat("./262/cgroup.cpu", [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... symlink resumed>) = 0 [pid 5112] 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=19, ...}) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] getdents64(3, [pid 5112] <... 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 5111] close(4 [pid 3502] unlink("./262/cgroup.cpu" [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... mmap resumed>) = 0x20002000 [pid 5111] close(5 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] close(3 [pid 3499] lstat("./249/cgroup.cpu", [pid 5112] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... mmap resumed>) = 0x20000000 [pid 5111] close(6 [pid 5112] close(3 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = 0 [pid 5111] close(7 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... close resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5112] close(4 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(8 [pid 3502] lstat("./262/cgroup", [pid 3500] rmdir("./254" [pid 5112] close(5 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(9 [pid 5112] close(6 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(10 [pid 5112] close(7 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(11 [pid 5112] close(8 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(12 [pid 5112] close(9 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... rmdir resumed>) = 0 [pid 3499] unlink("./249/cgroup.cpu" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(13 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5112] close(10 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(14 [pid 3502] unlink("./262/cgroup" [pid 3500] mkdir("./255", 0777 [pid 5112] close(11 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(15 [pid 3500] <... mkdir resumed>) = 0 [pid 5112] close(12 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3501] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(16 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] close(13 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 3499] lstat("./249/cgroup", [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(17 [pid 5112] close(14 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(18 [pid 3502] close(3 [pid 5112] close(15 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(19./strace-static-x86_64: Process 5113 attached [pid 5112] close(16 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5113] set_robust_list(0x5555573195e0, 24 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(20 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] close(17 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./262" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] unlink("./249/cgroup" [pid 5113] chdir("./255" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(21 [pid 5113] <... chdir resumed>) = 0 [pid 5112] close(18 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 257 [pid 3499] <... unlink resumed>) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(22 [pid 3502] mkdir("./263", 0777 [pid 5113] <... prctl resumed>) = 0 [pid 5112] close(19 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5113] setpgid(0, 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(23 [pid 3502] <... mkdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./257/binderfs", [pid 5113] <... setpgid resumed>) = 0 [pid 5112] close(20 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] close(3 [pid 5113] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(24 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5113] <... symlink resumed>) = 0 [pid 5112] close(21 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./257/binderfs"./strace-static-x86_64: Process 5114 attached [pid 5113] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(25 [pid 3499] <... close resumed>) = 0 [pid 5114] set_robust_list(0x5555573195e0, 24 [pid 5113] <... symlink resumed>) = 0 [pid 5112] close(22 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] rmdir("./249" [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(26 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 265 [pid 5114] chdir("./263" [pid 5113] <... symlink resumed>) = 0 [pid 5112] close(23 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 5114] <... chdir resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(27 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... openat resumed>) = 3 [pid 5112] close(24 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] mkdir("./250", 0777 [pid 5114] <... prctl resumed>) = 0 [pid 5113] write(3, "1000", 4 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(28 [pid 5114] setpgid(0, 0 [pid 5113] <... write resumed>) = 4 [pid 5112] close(25 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./257/cgroup.net", [pid 3499] <... mkdir resumed>) = 0 [pid 5114] <... setpgid resumed>) = 0 [pid 5113] close(3 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(29 [pid 5114] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5113] <... close resumed>) = 0 [pid 5112] close(26 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] <... symlink resumed>) = 0 [pid 5113] read(200, [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] exit_group(0 [pid 5114] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5113] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] close(27 [pid 5111] <... exit_group resumed>) = ? [pid 3501] unlink("./257/cgroup.net"./strace-static-x86_64: Process 5115 attached [pid 5114] <... symlink resumed>) = 0 [pid 5113] symlink("/dev/binderfs", "./binderfs" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] +++ exited with 0 +++ [pid 5115] set_robust_list(0x5555573195e0, 24 [pid 5114] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5113] <... symlink resumed>) = 0 [pid 5112] close(28 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... unlink resumed>) = 0 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5113] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 252 [pid 5115] chdir("./250" [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] <... 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 5112] close(29 [pid 3501] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] <... chdir resumed>) = 0 [pid 5114] <... openat resumed>) = 3 [pid 5113] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] write(3, "1000", 4 [pid 5113] <... mmap resumed>) = 0x20002000 [pid 5112] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... prctl resumed>) = 0 [pid 5114] <... write resumed>) = 4 [pid 5113] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5112] <... exit_group resumed>) = ? [pid 3503] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5115] setpgid(0, 0 [pid 5114] close(3 [pid 5113] <... mmap resumed>) = 0x20000000 [pid 3501] lstat("./257/cgroup.cpu", [pid 5115] <... setpgid resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5113] close(3 [pid 5112] +++ exited with 0 +++ [pid 3503] <... openat resumed>) = 3 [pid 5115] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5114] read(200, [pid 5113] <... close resumed>) = 0 [pid 3503] fstat(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5115] <... symlink resumed>) = 0 [pid 5114] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] close(4 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] unlink("./257/cgroup.cpu" [pid 5115] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5114] symlink("/dev/binderfs", "./binderfs" [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 5115] <... symlink resumed>) = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5113] close(5 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... unlink resumed>) = 0 [pid 5115] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5114] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] <... symlink resumed>) = 0 [pid 5114] <... 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 5113] close(6 [pid 3504] <... openat resumed>) = 3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] lstat("./265/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... openat resumed>) = 3 [pid 5114] <... mmap resumed>) = 0x20002000 [pid 5113] close(7 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./257/cgroup", [pid 5115] write(3, "1000", 4 [pid 5114] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] unlink("./265/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5115] <... write resumed>) = 4 [pid 5114] <... mmap resumed>) = 0x20000000 [pid 5113] close(8 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./257/cgroup" [pid 5115] close(3 [pid 5114] close(3 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 5115] <... close resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5113] close(9 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 5115] read(200, [pid 5114] close(4 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./267/binderfs", [pid 3503] lstat("./265/cgroup.net", [pid 5115] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(10 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs" [pid 5114] close(5 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./267/binderfs" [pid 3503] unlink("./265/cgroup.net" [pid 5115] <... symlink resumed>) = 0 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(11 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 5115] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5114] close(6 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 5115] <... 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 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(12 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./257" [pid 5115] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5114] close(7 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./267/cgroup.net", [pid 3503] lstat("./265/cgroup.cpu", [pid 3501] <... rmdir resumed>) = 0 [pid 5115] <... mmap resumed>) = 0x20002000 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(13 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] mkdir("./258", 0777 [pid 5115] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5114] close(8 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./267/cgroup.net" [pid 3503] unlink("./265/cgroup.cpu" [pid 3501] <... mkdir resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached [pid 5115] <... mmap resumed>) = 0x20000000 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(14 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 5116] set_robust_list(0x5555573195e0, 24 [pid 5115] close(3 [pid 5114] close(9 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 260 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] <... close resumed>) = 0 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] chdir("./258" [pid 5115] close(4 [pid 5114] close(10 [pid 5116] <... chdir resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./267/cgroup.cpu", [pid 3503] lstat("./265/cgroup", [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] close(5 [pid 5114] close(11 [pid 5113] close(16 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5116] <... prctl resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] setpgid(0, 0 [pid 5115] close(6 [pid 5114] close(12 [pid 5113] close(17 [pid 3504] unlink("./267/cgroup.cpu" [pid 3503] unlink("./265/cgroup" [pid 5116] <... setpgid resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5115] close(7 [pid 5114] close(13 [pid 5113] close(18 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 5116] <... symlink resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 5116] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5115] close(8 [pid 5114] close(14 [pid 5113] close(19 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5116] <... symlink resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./267/cgroup", [pid 5116] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5115] close(9 [pid 3503] close(3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5116] <... symlink resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(15 [pid 5113] close(20 [pid 3503] <... close resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] close(10 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./267/cgroup" [pid 5116] <... openat resumed>) = 3 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(16 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./265" [pid 5116] write(3, "1000", 4 [pid 5115] close(11 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5116] <... write resumed>) = 4 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(17 [pid 5113] close(21 [pid 3503] <... rmdir resumed>) = 0 [pid 5116] close(3 [pid 5115] close(12 [pid 3504] getdents64(3, [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] <... close resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./266", 0777 [pid 5116] read(200, [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(18 [pid 5113] close(22 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 5116] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] close(13 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5116] symlink("/dev/binderfs", "./binderfs" [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(19 [pid 5113] close(23 [pid 3504] <... close resumed>) = 0 [pid 5116] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5117 attached [pid 5116] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5115] close(14 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./267" [pid 5117] set_robust_list(0x5555573195e0, 24 [pid 5116] <... 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 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(20 [pid 5113] close(24 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 268 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5115] close(15 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./268", 0777 [pid 5117] chdir("./266" [pid 5116] <... mmap resumed>) = 0x20002000 [pid 5117] <... chdir resumed>) = 0 [pid 5116] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(21 [pid 5113] close(25 [pid 3504] <... mkdir resumed>) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... mmap resumed>) = 0x20000000 [pid 5115] close(16 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5117] <... prctl resumed>) = 0 [pid 5116] close(3 [pid 5117] setpgid(0, 0 [pid 5116] <... close resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(22 [pid 5113] close(26./strace-static-x86_64: Process 5118 attached [pid 5117] <... setpgid resumed>) = 0 [pid 5116] close(4 [pid 5115] close(17 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] set_robust_list(0x5555573195e0, 24 [pid 5117] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(23 [pid 5113] close(27 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 270 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5116] close(5 [pid 5115] close(18 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] chdir("./268" [pid 5117] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(24 [pid 5113] close(28 [pid 5118] <... chdir resumed>) = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5116] close(6 [pid 5115] close(19 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5117] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... prctl resumed>) = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5116] close(7 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(25 [pid 5113] close(29 [pid 5118] setpgid(0, 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... setpgid resumed>) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5116] close(8 [pid 5115] close(20 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5117] write(3, "1000", 4 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(26 [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... write resumed>) = 4 [pid 5116] close(9 [pid 5113] exit_group(0 [pid 5118] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5117] close(3 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(21 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... exit_group resumed>) = ? [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... close resumed>) = 0 [pid 5116] close(10 [pid 5118] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5117] read(200, [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(27 [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] close(11 [pid 5115] close(22 [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] symlink("/dev/binderfs", "./binderfs" [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... openat resumed>) = 3 [pid 5117] <... symlink resumed>) = 0 [pid 5116] close(12 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(28 [pid 5113] +++ exited with 0 +++ [pid 5118] write(3, "1000", 4 [pid 5117] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(23 [pid 5118] <... write resumed>) = 4 [pid 5117] <... 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 5116] close(13 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5118] close(3 [pid 5117] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(24 [pid 5114] close(29 [pid 3500] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... close resumed>) = 0 [pid 5117] <... mmap resumed>) = 0x20002000 [pid 5116] close(14 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] read(200, [pid 5117] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(25 [pid 5114] exit_group(0 [pid 3500] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5118] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... mmap resumed>) = 0x20000000 [pid 5116] close(15 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... exit_group resumed>) = ? [pid 3500] <... openat resumed>) = 3 [pid 5118] symlink("/dev/binderfs", "./binderfs" [pid 5117] close(3 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(26 [pid 3500] fstat(3, [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... close resumed>) = 0 [pid 5116] close(16 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5118] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5117] close(4 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] +++ exited with 0 +++ [pid 3500] getdents64(3, [pid 5118] <... 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 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(17 [pid 5115] close(27 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5118] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5117] close(5 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... mmap resumed>) = 0x20002000 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(18 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5117] close(6 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(28 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3500] lstat("./255/binderfs", [pid 5118] <... mmap resumed>) = 0x20000000 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(19 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5118] close(3 [pid 5117] close(7 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(29 [pid 3500] unlink("./255/binderfs" [pid 5118] <... close resumed>) = 0 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(20 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5118] close(4 [pid 5117] close(8 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] exit_group(0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(21 [pid 5115] <... exit_group resumed>) = ? [pid 3502] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] close(5 [pid 5117] close(9 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3500] lstat("./255/cgroup.net", [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(22 [pid 3502] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5118] close(6 [pid 5117] close(10 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] +++ exited with 0 +++ [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] unlink("./255/cgroup.net" [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(23 [pid 3502] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 5118] close(7 [pid 5117] close(11 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(24 [pid 3502] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5118] close(8 [pid 5117] close(12 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./255/cgroup.cpu", [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(25 [pid 3502] lstat("./263/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5118] close(9 [pid 5117] close(13 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./255/cgroup.cpu" [pid 3499] <... restart_syscall resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(26 [pid 3502] unlink("./263/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 5118] close(10 [pid 5117] close(14 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(27 [pid 3502] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] close(11 [pid 5117] close(15 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./255/cgroup", [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(28 [pid 3502] lstat("./263/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] close(12 [pid 5117] close(16 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./255/cgroup" [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(29 [pid 3502] unlink("./263/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] close(13 [pid 5117] close(17 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] exit_group(0 [pid 3502] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5118] close(14 [pid 5117] close(18 [pid 5116] <... exit_group resumed>) = ? [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] close(3 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... openat resumed>) = 3 [pid 5118] close(15 [pid 5117] close(19 [pid 5116] +++ exited with 0 +++ [pid 3502] lstat("./263/cgroup.cpu", [pid 3500] <... close resumed>) = 0 [pid 3499] fstat(3, [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] rmdir("./255" [pid 5118] close(16 [pid 5117] close(20 [pid 3502] unlink("./263/cgroup.cpu" [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] mkdir("./256", 0777 [pid 5118] close(17 [pid 5117] close(21 [pid 3502] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... mkdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5118] close(18 [pid 5117] close(22 [pid 3502] lstat("./263/cgroup", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5119 attached [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 258 [pid 5119] set_robust_list(0x5555573195e0, 24 [pid 5118] close(19 [pid 5117] close(23 [pid 3502] unlink("./263/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5119] chdir("./256" [pid 5118] close(20 [pid 5117] close(24 [pid 3502] getdents64(3, [pid 3501] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... chdir resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] fstat(3, [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] close(21 [pid 5117] close(25 [pid 3499] lstat("./250/binderfs", [pid 5119] <... prctl resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5119] setpgid(0, 0 [pid 5118] close(22 [pid 5117] close(26 [pid 3502] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5119] <... setpgid resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./263" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] unlink("./250/binderfs" [pid 5119] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5118] close(23 [pid 5117] close(27 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5119] <... symlink resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./264", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5118] close(24 [pid 5117] close(28 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] lstat("./258/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... symlink resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] 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 5119] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5118] close(25 [pid 3499] lstat("./250/cgroup.net", ./strace-static-x86_64: Process 5120 attached [pid 5119] <... symlink resumed>) = 0 [pid 5117] close(29 [pid 3501] unlink("./258/binderfs" [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5120] set_robust_list(0x5555573195e0, 24 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] close(26 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 266 [pid 3501] <... unlink resumed>) = 0 [pid 3499] unlink("./250/cgroup.net" [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] exit_group(0 [pid 3501] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] chdir("./264" [pid 5119] write(3, "1000", 4 [pid 5118] close(27 [pid 5117] <... exit_group resumed>) = ? [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5120] <... chdir resumed>) = 0 [pid 5119] <... write resumed>) = 4 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... close resumed>) = 0 [pid 5118] close(28 [pid 3499] lstat("./250/cgroup.cpu", [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] read(200, [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] +++ exited with 0 +++ [pid 3501] lstat("./258/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5120] <... prctl resumed>) = 0 [pid 5119] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] close(29 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./250/cgroup.cpu" [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5120] setpgid(0, 0 [pid 5119] symlink("/dev/binderfs", "./binderfs" [pid 3501] unlink("./258/cgroup.net" [pid 3499] <... unlink resumed>) = 0 [pid 5120] <... setpgid resumed>) = 0 [pid 5119] <... symlink resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5118] exit_group(0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5119] <... 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 5118] <... exit_group resumed>) = ? [pid 3499] lstat("./250/cgroup", [pid 5119] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5118] +++ exited with 0 +++ [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5119] <... mmap resumed>) = 0x20002000 [pid 3503] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./250/cgroup" [pid 5120] <... symlink resumed>) = 0 [pid 5119] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5119] <... mmap resumed>) = 0x20000000 [pid 3499] getdents64(3, [pid 5119] close(3 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5119] <... close resumed>) = 0 [pid 3499] close(3 [pid 5119] close(4 [pid 3499] <... close resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./250" [pid 5119] close(5 [pid 3499] <... rmdir resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./251", 0777 [pid 5119] close(6 [pid 3499] <... mkdir resumed>) = 0 [pid 5119] <... 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 5121 attached [pid 5120] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5119] close(7 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5121] set_robust_list(0x5555573195e0, 24 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... symlink resumed>) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 253 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5119] close(8 [pid 3503] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./258/cgroup.cpu", [pid 5121] chdir("./251" [pid 5120] <... symlink resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... chdir resumed>) = 0 [pid 5119] close(9 [pid 3503] <... openat resumed>) = 3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... prctl resumed>) = 0 [pid 5119] close(10 [pid 3504] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] fstat(3, [pid 3501] unlink("./258/cgroup.cpu" [pid 5121] setpgid(0, 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... setpgid resumed>) = 0 [pid 5119] close(11 [pid 5121] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5121] <... symlink resumed>) = 0 [pid 5119] close(12 [pid 5121] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... symlink resumed>) = 0 [pid 5120] <... openat resumed>) = 3 [pid 5119] close(13 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 5121] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5120] write(3, "1000", 4 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5121] <... symlink resumed>) = 0 [pid 5120] <... write resumed>) = 4 [pid 5119] close(14 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(3 [pid 3504] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5121] <... openat resumed>) = 3 [pid 5120] <... close resumed>) = 0 [pid 5119] close(15 [pid 3504] fstat(3, [pid 3501] lstat("./258/cgroup", [pid 5121] write(3, "1000", 4 [pid 5120] read(200, [pid 5119] <... 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 5121] <... write resumed>) = 4 [pid 5120] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] close(16 [pid 3504] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5121] close(3 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./266/binderfs", [pid 5121] <... close resumed>) = 0 [pid 5119] close(17 [pid 5121] read(200, [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] close(18 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] unlink("./258/cgroup" [pid 5120] symlink("/dev/binderfs", "./binderfs" [pid 5121] symlink("/dev/binderfs", "./binderfs" [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5121] <... symlink resumed>) = 0 [pid 5120] <... symlink resumed>) = 0 [pid 5119] close(19 [pid 3503] unlink("./266/binderfs" [pid 3501] <... unlink resumed>) = 0 [pid 5121] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5120] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 5121] <... 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 5119] close(20 [pid 3503] <... unlink resumed>) = 0 [pid 5121] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5120] <... 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 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./268/binderfs", [pid 3503] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5121] <... mmap resumed>) = 0x20002000 [pid 5120] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5119] close(21 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 5121] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5120] <... mmap resumed>) = 0x20002000 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./268/binderfs" [pid 3503] lstat("./266/cgroup.net", [pid 3501] <... close resumed>) = 0 [pid 5121] <... mmap resumed>) = 0x20000000 [pid 5120] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5119] close(22 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] rmdir("./258" [pid 5121] close(3 [pid 5120] <... mmap resumed>) = 0x20000000 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./266/cgroup.net" [pid 3501] <... rmdir resumed>) = 0 [pid 5121] <... close resumed>) = 0 [pid 5120] close(3 [pid 5119] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3501] mkdir("./259", 0777 [pid 5121] close(4 [pid 5120] <... close resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./268/cgroup.net", [pid 3503] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... mkdir resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(4 [pid 5119] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5121] close(5 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./268/cgroup.net" [pid 3503] lstat("./266/cgroup.cpu", ./strace-static-x86_64: Process 5122 attached [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(5 [pid 5119] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 261 [pid 5122] set_robust_list(0x5555573195e0, 24 [pid 5121] close(6 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./266/cgroup.cpu" [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(6 [pid 5119] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 5122] chdir("./259" [pid 5121] close(7 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./268/cgroup.cpu", [pid 3503] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5122] <... chdir resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(7 [pid 5119] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] close(8 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./268/cgroup.cpu" [pid 3503] lstat("./266/cgroup", [pid 5122] <... prctl resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(8 [pid 5119] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5122] setpgid(0, 0 [pid 5121] close(9 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./266/cgroup" [pid 5122] <... setpgid resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(9 [pid 5119] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 5122] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5121] close(10 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./268/cgroup", [pid 3503] getdents64(3, [pid 5122] <... symlink resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(10 [pid 5119] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5122] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5121] close(11 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... exit_group resumed>) = ? [pid 3504] unlink("./268/cgroup" [pid 3503] close(3 [pid 5122] <... symlink resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(11 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 5122] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] rmdir("./266" [pid 5122] <... symlink resumed>) = 0 [pid 5121] close(12 [pid 5120] close(12 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5119] +++ exited with 0 +++ [pid 3503] <... rmdir resumed>) = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] mkdir("./267", 0777 [pid 5122] <... openat resumed>) = 3 [pid 5121] close(13 [pid 5120] close(13 [pid 3504] <... close resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5122] write(3, "1000", 4 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./268" [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5123 attached [pid 5122] <... write resumed>) = 4 [pid 5121] close(14 [pid 5120] close(14 [pid 3504] <... rmdir resumed>) = 0 [pid 5123] set_robust_list(0x5555573195e0, 24 [pid 5122] close(3 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./269", 0777 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 269 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] <... close resumed>) = 0 [pid 5121] close(15 [pid 5120] close(15 [pid 3504] <... mkdir resumed>) = 0 [pid 5123] chdir("./267" [pid 5122] read(200, [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... 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 5124 attached [pid 5123] <... chdir resumed>) = 0 [pid 5122] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] close(16 [pid 5120] close(16 [pid 3500] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5124] set_robust_list(0x5555573195e0, 24 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] symlink("/dev/binderfs", "./binderfs" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 271 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] <... prctl resumed>) = 0 [pid 5122] <... symlink resumed>) = 0 [pid 5121] close(17 [pid 5120] close(17 [pid 5124] chdir("./269" [pid 5123] setpgid(0, 0 [pid 5122] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5124] <... chdir resumed>) = 0 [pid 5123] <... setpgid resumed>) = 0 [pid 5122] <... 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 5121] close(18 [pid 5120] close(18 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] <... prctl resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x20002000 [pid 5120] close(19 [pid 3500] <... openat resumed>) = 3 [pid 5124] setpgid(0, 0 [pid 5123] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5122] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] <... setpgid resumed>) = 0 [pid 5123] <... symlink resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x20000000 [pid 5120] close(20 [pid 3500] fstat(3, [pid 5124] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5123] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5122] close(3 [pid 5121] close(19 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] <... symlink resumed>) = 0 [pid 5123] <... symlink resumed>) = 0 [pid 5122] <... close resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(21 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5124] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5123] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5122] close(4 [pid 5121] close(20 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] <... symlink resumed>) = 0 [pid 5123] <... symlink resumed>) = 0 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(22 [pid 3500] getdents64(3, [pid 5124] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] close(5 [pid 5121] close(21 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5124] <... symlink resumed>) = 0 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] write(3, "1000", 4 [pid 5122] close(6 [pid 5121] close(22 [pid 5120] close(23 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5124] <... openat resumed>) = 3 [pid 5123] <... write resumed>) = 4 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./256/binderfs", [pid 5124] write(3, "1000", 4 [pid 5123] close(3 [pid 5122] close(7 [pid 5121] close(23 [pid 5120] close(24 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5124] <... write resumed>) = 4 [pid 5123] <... close resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./256/binderfs" [pid 5123] read(200, [pid 5121] close(24 [pid 3500] <... unlink resumed>) = 0 [pid 5123] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5123] symlink("/dev/binderfs", "./binderfs" [pid 5121] close(25 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5123] <... symlink resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./256/cgroup.net", [pid 5123] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] close(26 [pid 5124] close(3 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5123] <... 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 5122] close(8 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./256/cgroup.net" [pid 5124] <... close resumed>) = 0 [pid 5123] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5121] close(27 [pid 5120] close(25 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5124] read(200, [pid 5123] <... mmap resumed>) = 0x20002000 [pid 5122] close(9 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5124] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5123] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] close(28 [pid 5120] close(26 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5124] symlink("/dev/binderfs", "./binderfs" [pid 5123] <... mmap resumed>) = 0x20000000 [pid 5122] close(10 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./256/cgroup.cpu", [pid 5124] <... symlink resumed>) = 0 [pid 5123] close(3 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] close(29 [pid 5120] close(27 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5124] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5123] <... close resumed>) = 0 [pid 5122] close(11 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./256/cgroup.cpu" [pid 5124] <... 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 5123] close(4 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] exit_group(0 [pid 5120] close(28 [pid 5124] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(12 [pid 5121] <... exit_group resumed>) = ? [pid 3500] <... unlink resumed>) = 0 [pid 5124] <... mmap resumed>) = 0x20002000 [pid 5123] close(5 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(13 [pid 5120] close(29 [pid 5121] +++ exited with 0 +++ [pid 3500] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5124] <... mmap resumed>) = 0x20000000 [pid 5123] close(6 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5124] close(3 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(14 [pid 5120] exit_group(0 [pid 5124] <... close resumed>) = 0 [pid 5123] close(7 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... exit_group resumed>) = ? [pid 3500] lstat("./256/cgroup", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5124] close(4 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(15 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5123] close(8 [pid 3500] unlink("./256/cgroup" [pid 3499] <... restart_syscall resumed>) = 0 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5123] close(9 [pid 3500] getdents64(3, [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5124] close(5 [pid 5123] close(10 [pid 5122] close(16 [pid 5120] +++ exited with 0 +++ [pid 3500] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] <... close resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5124] close(6 [pid 5123] close(11 [pid 5122] close(17 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] rmdir("./256" [pid 3499] <... openat resumed>) = 3 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 [pid 5124] close(7 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(18 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] fstat(3, [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(12 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] close(8 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(19 [pid 3502] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] mkdir("./257", 0777 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(13 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5124] close(9 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(20 [pid 3502] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... mkdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(14 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 5124] close(10 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(21 [pid 3502] fstat(3, [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5124] close(11 [pid 5122] close(22 [pid 3502] getdents64(3, [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5125 attached [pid 5124] close(12 [pid 5123] close(15 [pid 5122] close(23 [pid 3502] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] set_robust_list(0x5555573195e0, 24 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 259 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... set_robust_list resumed>) = 0 [pid 5124] close(13 [pid 5123] close(16 [pid 5122] close(24 [pid 3502] lstat("./264/binderfs", [pid 5125] chdir("./257" [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./251/binderfs", [pid 5125] <... chdir resumed>) = 0 [pid 5124] close(14 [pid 5123] close(17 [pid 5122] close(25 [pid 3502] unlink("./264/binderfs" [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5125] <... prctl resumed>) = 0 [pid 5124] close(15 [pid 5122] close(26 [pid 3502] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] setpgid(0, 0 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(18 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./251/binderfs" [pid 5125] <... setpgid resumed>) = 0 [pid 5124] close(16 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(27 [pid 3502] lstat("./264/cgroup.net", [pid 5125] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(19 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5125] <... symlink resumed>) = 0 [pid 5124] close(17 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(28 [pid 3502] unlink("./264/cgroup.net" [pid 5125] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(20 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3499] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] <... symlink resumed>) = 0 [pid 5124] close(18 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(29 [pid 3502] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(21 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... symlink resumed>) = 0 [pid 5124] close(19 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] exit_group(0 [pid 3502] lstat("./264/cgroup.cpu", [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(22 [pid 5122] <... exit_group resumed>) = ? [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./251/cgroup.net", [pid 5125] <... openat resumed>) = 3 [pid 5124] close(20 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] +++ exited with 0 +++ [pid 3502] unlink("./264/cgroup.cpu" [pid 5125] write(3, "1000", 4 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(23 [pid 3502] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5125] <... write resumed>) = 4 [pid 5124] close(21 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./251/cgroup.net" [pid 5125] close(3 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... close resumed>) = 0 [pid 5124] close(22 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./264/cgroup", [pid 3501] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5125] read(200, [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(25 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] close(23 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./264/cgroup" [pid 3501] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] symlink("/dev/binderfs", "./binderfs" [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(26 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 5125] <... symlink resumed>) = 0 [pid 5124] close(24 [pid 3502] getdents64(3, [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(27 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5125] <... 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 5124] close(25 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3501] getdents64(3, [pid 3499] lstat("./251/cgroup.cpu", [pid 5125] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(28 [pid 3502] <... close resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5125] <... mmap resumed>) = 0x20002000 [pid 5124] close(26 [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./264" [pid 3501] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5125] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] close(29 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... mmap resumed>) = 0x20000000 [pid 5124] close(27 [pid 3502] mkdir("./265", 0777 [pid 3501] lstat("./259/binderfs", [pid 3499] unlink("./251/cgroup.cpu" [pid 5125] close(3 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5125] <... close resumed>) = 0 [pid 5124] close(28 [pid 5123] exit_group(0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] unlink("./259/binderfs" [pid 3499] <... unlink resumed>) = 0 [pid 5125] close(4 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... exit_group resumed>) = ? [pid 3499] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5126 attached [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] close(29 [pid 5123] +++ exited with 0 +++ [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5126] set_robust_list(0x5555573195e0, 24 [pid 3499] lstat("./251/cgroup", [pid 5126] <... set_robust_list resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5126] chdir("./265" [pid 3499] unlink("./251/cgroup" [pid 5126] <... chdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3499] getdents64(3, [pid 5126] <... prctl resumed>) = 0 [pid 5124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5126] setpgid(0, 0 [pid 5125] close(5 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 267 [pid 3501] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] close(3 [pid 5126] <... setpgid resumed>) = 0 [pid 5124] exit_group(0 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 5126] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5125] close(6 [pid 5124] <... exit_group resumed>) = ? [pid 3501] lstat("./259/cgroup.net", [pid 3499] rmdir("./251" [pid 5126] <... symlink resumed>) = 0 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... rmdir resumed>) = 0 [pid 5126] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3499] mkdir("./252", 0777 [pid 5126] <... symlink resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5126] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached [pid 5126] <... symlink resumed>) = 0 [pid 5125] close(7 [pid 5124] +++ exited with 0 +++ [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5127] set_robust_list(0x5555573195e0, 24 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] unlink("./259/cgroup.net" [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 254 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] <... openat resumed>) = 3 [pid 5125] close(8 [pid 3501] <... unlink resumed>) = 0 [pid 5127] chdir("./252" [pid 5126] write(3, "1000", 4 [pid 5127] <... chdir resumed>) = 0 [pid 5126] <... write resumed>) = 4 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] close(3 [pid 5125] close(9 [pid 3503] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5127] <... prctl resumed>) = 0 [pid 5126] <... close resumed>) = 0 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5127] setpgid(0, 0 [pid 5126] read(200, [pid 5125] close(10 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] <... setpgid resumed>) = 0 [pid 5126] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./259/cgroup.cpu", [pid 5127] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5126] symlink("/dev/binderfs", "./binderfs" [pid 5125] close(11 [pid 3503] <... openat resumed>) = 3 [pid 5127] <... symlink resumed>) = 0 [pid 5126] <... symlink resumed>) = 0 [pid 3504] <... openat resumed>) = 3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5126] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] fstat(3, [pid 3503] fstat(3, [pid 5125] close(12 [pid 3501] unlink("./259/cgroup.cpu" [pid 5127] <... symlink resumed>) = 0 [pid 5126] <... 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5126] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] getdents64(3, [pid 3503] getdents64(3, [pid 5127] <... symlink resumed>) = 0 [pid 5126] <... mmap resumed>) = 0x20002000 [pid 5125] close(13 [pid 3501] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] <... openat resumed>) = 3 [pid 5126] <... mmap resumed>) = 0x20000000 [pid 5125] close(14 [pid 3503] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./259/cgroup", [pid 5127] write(3, "1000", 4 [pid 5126] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5127] <... write resumed>) = 4 [pid 5126] <... close resumed>) = 0 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./259/cgroup" [pid 5127] close(3 [pid 5126] close(4 [pid 5125] close(15 [pid 3504] lstat("./269/binderfs", [pid 3503] lstat("./267/binderfs", [pid 3501] <... unlink resumed>) = 0 [pid 5127] <... close resumed>) = 0 [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] getdents64(3, [pid 5127] read(200, [pid 5126] close(5 [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./269/binderfs" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5127] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 5127] symlink("/dev/binderfs", "./binderfs" [pid 5126] close(6 [pid 5125] close(16 [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./267/binderfs" [pid 3501] <... close resumed>) = 0 [pid 5127] <... symlink resumed>) = 0 [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] rmdir("./259" [pid 3503] <... unlink resumed>) = 0 [pid 5127] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5126] close(7 [pid 5125] close(17 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... rmdir resumed>) = 0 [pid 5127] <... 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 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./269/cgroup.net", [pid 3503] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] mkdir("./260", 0777 [pid 5127] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5126] close(8 [pid 5125] close(18 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 5127] <... mmap resumed>) = 0x20002000 [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./269/cgroup.net" [pid 3503] lstat("./267/cgroup.net", [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached [pid 5127] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5126] close(9 [pid 5125] close(19 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5128] set_robust_list(0x5555573195e0, 24 [pid 5127] <... mmap resumed>) = 0x20000000 [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./267/cgroup.net" [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 262 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5127] close(3 [pid 5126] close(10 [pid 5125] close(20 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 5128] chdir("./260" [pid 5127] <... close resumed>) = 0 [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./269/cgroup.cpu", [pid 3503] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5128] <... chdir resumed>) = 0 [pid 5127] close(4 [pid 5126] close(11 [pid 5125] close(21 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./269/cgroup.cpu" [pid 5128] <... prctl resumed>) = 0 [pid 5127] close(5 [pid 5126] close(12 [pid 5125] close(22 [pid 3504] <... unlink resumed>) = 0 [pid 5128] setpgid(0, 0 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5128] <... setpgid resumed>) = 0 [pid 5127] close(6 [pid 5126] close(13 [pid 5125] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5128] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./269/cgroup", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5128] <... symlink resumed>) = 0 [pid 5127] close(7 [pid 5126] close(14 [pid 5125] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] lstat("./267/cgroup.cpu", [pid 5128] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./269/cgroup" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5128] <... symlink resumed>) = 0 [pid 5127] close(8 [pid 5126] close(15 [pid 5125] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./267/cgroup.cpu" [pid 5128] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5128] <... symlink resumed>) = 0 [pid 5127] close(9 [pid 5126] close(16 [pid 5125] close(26 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 5128] <... openat resumed>) = 3 [pid 5127] close(10 [pid 5126] close(17 [pid 5125] close(27 [pid 3504] <... close resumed>) = 0 [pid 3503] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5128] write(3, "1000", 4 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./269" [pid 5128] <... write resumed>) = 4 [pid 5127] close(11 [pid 5126] close(18 [pid 5125] close(28 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./270", 0777 [pid 3503] lstat("./267/cgroup", [pid 5127] close(12 [pid 5126] close(19 [pid 5125] close(29 [pid 3504] <... mkdir resumed>) = 0 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... 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 5129 attached [pid 5128] close(3 [pid 5127] close(13 [pid 5126] close(20 [pid 5125] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5129] set_robust_list(0x5555573195e0, 24 [pid 5128] <... close resumed>) = 0 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... exit_group resumed>) = ? [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 272 [pid 3503] unlink("./267/cgroup" [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] read(200, [pid 5127] close(14 [pid 5126] close(21 [pid 5125] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 5129] chdir("./270" [pid 5128] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5129] <... chdir resumed>) = 0 [pid 5128] symlink("/dev/binderfs", "./binderfs" [pid 5127] close(15 [pid 5126] close(22 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5128] <... symlink resumed>) = 0 [pid 5129] <... prctl resumed>) = 0 [pid 5127] close(16 [pid 5126] close(23 [pid 3503] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5129] setpgid(0, 0 [pid 5128] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5129] <... setpgid resumed>) = 0 [pid 5128] <... 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 5127] close(17 [pid 5126] close(24 [pid 3503] rmdir("./267" [pid 3500] <... openat resumed>) = 3 [pid 5129] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5128] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5129] <... symlink resumed>) = 0 [pid 5128] <... mmap resumed>) = 0x20002000 [pid 5127] close(18 [pid 5126] close(25 [pid 3503] <... rmdir resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5129] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5128] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./268", 0777 [pid 3500] getdents64(3, [pid 5129] <... symlink resumed>) = 0 [pid 5128] <... mmap resumed>) = 0x20000000 [pid 5127] close(19 [pid 5126] close(26 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5129] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5128] close(3 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5129] <... symlink resumed>) = 0 [pid 5128] <... close resumed>) = 0 [pid 5127] close(20 [pid 5126] close(27 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] close(4 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./257/binderfs", ./strace-static-x86_64: Process 5130 attached [pid 5129] <... openat resumed>) = 3 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] close(21 [pid 5126] close(28 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5130] set_robust_list(0x5555573195e0, 24 [pid 5129] write(3, "1000", 4 [pid 5128] close(5 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./257/binderfs" [pid 5130] <... set_robust_list resumed>) = 0 [pid 5129] <... write resumed>) = 4 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] close(22 [pid 5126] close(29 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 270 [pid 3500] <... unlink resumed>) = 0 [pid 5130] chdir("./268" [pid 5129] close(3 [pid 5128] close(6 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] <... chdir resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5127] close(23 [pid 5126] exit_group(0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] read(200, [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5126] <... exit_group resumed>) = ? [pid 3500] lstat("./257/cgroup.net", [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] close(24 [pid 5129] symlink("/dev/binderfs", "./binderfs" [pid 5128] close(7 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] setpgid(0, 0 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5130] <... setpgid resumed>) = 0 [pid 5129] <... symlink resumed>) = 0 [pid 5128] close(8 [pid 5127] close(25 [pid 3500] unlink("./257/cgroup.net" [pid 5130] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5129] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] <... symlink resumed>) = 0 [pid 5128] close(9 [pid 3500] <... unlink resumed>) = 0 [pid 5130] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5129] <... 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 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] close(26 [pid 5126] +++ exited with 0 +++ [pid 5130] <... symlink resumed>) = 0 [pid 5129] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5128] close(10 [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5129] <... mmap resumed>) = 0x20002000 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] close(27 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5128] close(11 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... symlink resumed>) = 0 [pid 5129] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] close(28 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3500] lstat("./257/cgroup.cpu", [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] close(12 [pid 5130] <... openat resumed>) = 3 [pid 5129] <... mmap resumed>) = 0x20000000 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5130] write(3, "1000", 4 [pid 5129] close(3 [pid 5128] close(13 [pid 5127] close(29 [pid 3502] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] <... write resumed>) = 4 [pid 5129] <... close resumed>) = 0 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./257/cgroup.cpu" [pid 5130] close(3 [pid 5129] close(4 [pid 5128] close(14 [pid 5127] exit_group(0 [pid 3502] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] <... close resumed>) = 0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] <... exit_group resumed>) = ? [pid 3502] <... openat resumed>) = 3 [pid 3500] <... unlink resumed>) = 0 [pid 5130] read(200, [pid 5128] close(15 [pid 3502] fstat(3, [pid 5130] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] close(5 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs" [pid 5128] close(16 [pid 3502] getdents64(3, [pid 5130] <... symlink resumed>) = 0 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5130] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(17 [pid 3502] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] <... 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 5129] close(6 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5127] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(18 [pid 3502] lstat("./265/binderfs", [pid 3500] lstat("./257/cgroup", [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5130] <... mmap resumed>) = 0x20002000 [pid 5129] close(7 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5130] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(19 [pid 3502] unlink("./265/binderfs" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5130] <... mmap resumed>) = 0x20000000 [pid 5129] close(8 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] unlink("./257/cgroup" [pid 5130] close(3 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(20 [pid 3502] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] <... close resumed>) = 0 [pid 5129] close(9 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] close(4 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(21 [pid 3502] lstat("./265/cgroup.net", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(10 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] close(3 [pid 3499] <... openat resumed>) = 3 [pid 5130] close(5 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(22 [pid 3502] unlink("./265/cgroup.net" [pid 3500] <... close resumed>) = 0 [pid 3499] fstat(3, [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(11 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] rmdir("./257" [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5130] close(6 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(23 [pid 3502] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... rmdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(12 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./258", 0777 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5130] close(7 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... mkdir resumed>) = 0 [pid 3499] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(13 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./265/cgroup.cpu", [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5131 attached [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./252/binderfs", [pid 5131] set_robust_list(0x5555573195e0, 24 [pid 5129] close(14 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 260 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./252/binderfs" [pid 5131] chdir("./258" [pid 5129] close(15 [pid 3499] <... unlink resumed>) = 0 [pid 5131] <... chdir resumed>) = 0 [pid 5130] close(8 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] close(25 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] close(16 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... prctl resumed>) = 0 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./265/cgroup.cpu" [pid 3499] lstat("./252/cgroup.net", [pid 5131] setpgid(0, 0 [pid 5130] close(9 [pid 5129] close(17 [pid 5128] close(26 [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5131] <... setpgid resumed>) = 0 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./252/cgroup.net" [pid 5131] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5130] close(10 [pid 5129] close(18 [pid 5128] close(27 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5131] <... symlink resumed>) = 0 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5131] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5130] close(11 [pid 5129] close(19 [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./265/cgroup", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... symlink resumed>) = 0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./252/cgroup.cpu", [pid 5131] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(20 [pid 5128] close(28 [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 5131] <... symlink resumed>) = 0 [pid 5130] close(12 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./265/cgroup" [pid 3499] unlink("./252/cgroup.cpu" [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(21 [pid 5128] close(29 [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5131] <... openat resumed>) = 3 [pid 5130] close(13 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5131] write(3, "1000", 4 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(22 [pid 3502] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... write resumed>) = 4 [pid 5130] close(14 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] exit_group(0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./252/cgroup", [pid 5131] close(3 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] close(23 [pid 5128] <... exit_group resumed>) = ? [pid 3502] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5131] <... close resumed>) = 0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./252/cgroup" [pid 5131] read(200, [pid 5129] close(24 [pid 3499] <... unlink resumed>) = 0 [pid 5131] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5131] symlink("/dev/binderfs", "./binderfs" [pid 5130] close(15 [pid 5129] close(25 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5131] <... symlink resumed>) = 0 [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5131] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5129] close(26 [pid 3499] <... close resumed>) = 0 [pid 5131] <... 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 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5128] +++ exited with 0 +++ [pid 3502] <... close resumed>) = 0 [pid 3499] rmdir("./252" [pid 5131] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5130] close(16 [pid 5129] close(27 [pid 3502] rmdir("./265" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... rmdir resumed>) = 0 [pid 5131] <... mmap resumed>) = 0x20002000 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./253", 0777 [pid 5131] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5130] close(17 [pid 5129] close(28 [pid 3502] <... rmdir resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5131] <... mmap resumed>) = 0x20000000 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./266", 0777 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] close(3 [pid 5130] close(18 [pid 5129] close(29 [pid 3502] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5132 attached [pid 5131] <... close resumed>) = 0 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 255 [pid 5132] set_robust_list(0x5555573195e0, 24 [pid 5131] close(4 [pid 5130] close(19 [pid 5129] exit_group(0 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5133 attached [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] close(5 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] set_robust_list(0x5555573195e0, 24 [pid 5132] chdir("./253" [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] close(20 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 268 [pid 3501] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] <... chdir resumed>) = 0 [pid 5131] close(6 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5129] +++ exited with 0 +++ [pid 3501] <... openat resumed>) = 3 [pid 5133] chdir("./266" [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] close(21 [pid 3501] fstat(3, [pid 5133] <... chdir resumed>) = 0 [pid 5132] <... prctl resumed>) = 0 [pid 5131] close(7 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] setpgid(0, 0 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] close(22 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5133] <... prctl resumed>) = 0 [pid 5132] <... setpgid resumed>) = 0 [pid 5131] close(8 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5133] setpgid(0, 0 [pid 5132] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] close(23 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5133] <... setpgid resumed>) = 0 [pid 5132] <... symlink resumed>) = 0 [pid 5131] close(9 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5132] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] close(24 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... symlink resumed>) = 0 [pid 5132] <... symlink resumed>) = 0 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./260/binderfs", [pid 5133] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5132] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5130] close(25 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5133] <... symlink resumed>) = 0 [pid 5132] <... symlink resumed>) = 0 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./260/binderfs" [pid 5131] close(10 [pid 5133] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] close(26 [pid 3501] <... unlink resumed>) = 0 [pid 5133] <... symlink resumed>) = 0 [pid 5132] <... openat resumed>) = 3 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5132] write(3, "1000", 4 [pid 5131] close(11 [pid 5130] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... openat resumed>) = 3 [pid 5132] <... write resumed>) = 4 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./260/cgroup.net", [pid 5133] write(3, "1000", 4 [pid 5132] close(3 [pid 5130] close(28 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5133] <... write resumed>) = 4 [pid 5132] <... close resumed>) = 0 [pid 5131] close(12 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3501] unlink("./260/cgroup.net" [pid 5133] close(3 [pid 5132] read(200, [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] close(29 [pid 3504] fstat(3, [pid 3501] <... unlink resumed>) = 0 [pid 5133] <... close resumed>) = 0 [pid 5132] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] close(13 [pid 5130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] read(200, [pid 5132] symlink("/dev/binderfs", "./binderfs" [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] exit_group(0 [pid 3504] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... symlink resumed>) = 0 [pid 5131] close(14 [pid 5130] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./260/cgroup.cpu", [pid 5133] symlink("/dev/binderfs", "./binderfs" [pid 5132] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5130] +++ exited with 0 +++ [pid 3504] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5133] <... symlink resumed>) = 0 [pid 5132] <... 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 5131] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./270/binderfs", [pid 5131] close(16 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./270/binderfs" [pid 5133] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5132] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5131] close(17 [pid 3504] <... unlink resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] unlink("./260/cgroup.cpu" [pid 5133] <... 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 5132] <... mmap resumed>) = 0x20002000 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5132] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5131] close(18 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./270/cgroup.net", [pid 5132] <... mmap resumed>) = 0x20000000 [pid 5131] close(19 [pid 5133] <... mmap resumed>) = 0x20002000 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5132] close(3 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./270/cgroup.net" [pid 5133] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5132] <... close resumed>) = 0 [pid 5131] close(20 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] <... mmap resumed>) = 0x20000000 [pid 5132] close(4 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] close(3 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(21 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./260/cgroup", [pid 5133] <... close resumed>) = 0 [pid 5132] close(5 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./270/cgroup.cpu", [pid 5133] close(4 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(22 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] close(6 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./270/cgroup.cpu" [pid 5133] close(5 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... openat resumed>) = 3 [pid 3501] unlink("./260/cgroup" [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] close(7 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3503] fstat(3, [pid 5133] close(6 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] close(8 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./270/cgroup", [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] getdents64(3, [pid 5133] close(7 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] getdents64(3, [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] close(9 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./270/cgroup" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5133] close(8 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5132] close(10 [pid 5131] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] close(3 [pid 5133] close(9 [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... close resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(28 [pid 3504] <... close resumed>) = 0 [pid 5133] close(10 [pid 5132] close(11 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./270" [pid 3503] lstat("./268/binderfs", [pid 3501] rmdir("./260" [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] close(29 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5133] close(11 [pid 5132] close(12 [pid 5131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./271", 0777 [pid 3503] unlink("./268/binderfs" [pid 3501] <... rmdir resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5131] exit_group(0 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] mkdir("./261", 0777 [pid 5133] close(12 [pid 5132] close(13 [pid 5131] <... exit_group resumed>) = ? [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5134 attached [pid 5133] close(13 [pid 5132] close(14 [pid 3503] lstat("./268/cgroup.net", [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] +++ exited with 0 +++ ./strace-static-x86_64: Process 5135 attached [pid 5134] set_robust_list(0x5555573195e0, 24 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 273 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5135] set_robust_list(0x5555573195e0, 24 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] close(14 [pid 5132] close(15 [pid 3503] unlink("./268/cgroup.net" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] chdir("./271" [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 263 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5134] <... chdir resumed>) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5134] setpgid(0, 0 [pid 3500] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5134] <... setpgid resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5135] chdir("./261" [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5135] <... chdir resumed>) = 0 [pid 5134] <... symlink resumed>) = 0 [pid 5133] close(15 [pid 5132] close(16 [pid 3503] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5134] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 5135] <... prctl resumed>) = 0 [pid 5134] <... symlink resumed>) = 0 [pid 5133] close(16 [pid 5132] close(17 [pid 3503] lstat("./268/cgroup.cpu", [pid 3500] fstat(3, [pid 5135] setpgid(0, 0 [pid 5134] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5135] <... setpgid resumed>) = 0 [pid 5134] <... symlink resumed>) = 0 [pid 5133] close(17 [pid 5132] close(18 [pid 3503] unlink("./268/cgroup.cpu" [pid 3500] getdents64(3, [pid 5135] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5135] <... symlink resumed>) = 0 [pid 5134] <... openat resumed>) = 3 [pid 5133] close(18 [pid 5132] close(19 [pid 3503] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5134] write(3, "1000", 4 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] <... write resumed>) = 4 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./258/binderfs", [pid 5135] <... symlink resumed>) = 0 [pid 5134] close(3 [pid 5133] close(19 [pid 5132] close(20 [pid 3503] lstat("./268/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5135] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5134] <... close resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./258/binderfs" [pid 5135] <... symlink resumed>) = 0 [pid 5134] read(200, [pid 5133] close(20 [pid 5132] close(21 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./268/cgroup" [pid 5135] <... openat resumed>) = 3 [pid 5134] symlink("/dev/binderfs", "./binderfs" [pid 5133] close(21 [pid 5132] close(22 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] write(3, "1000", 4 [pid 5134] <... symlink resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] lstat("./258/cgroup.net", [pid 5135] <... write resumed>) = 4 [pid 5134] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5133] close(22 [pid 5132] close(23 [pid 3503] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5135] close(3 [pid 5134] <... 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 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./258/cgroup.net" [pid 5135] <... close resumed>) = 0 [pid 5134] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5133] close(23 [pid 5132] close(24 [pid 3503] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 5135] read(200, [pid 5134] <... mmap resumed>) = 0x20002000 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5133] close(24 [pid 5132] close(25 [pid 3503] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] symlink("/dev/binderfs", "./binderfs" [pid 5134] <... mmap resumed>) = 0x20000000 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./268" [pid 3500] lstat("./258/cgroup.cpu", [pid 5135] <... symlink resumed>) = 0 [pid 5134] close(3 [pid 5133] close(25 [pid 5132] close(26 [pid 3503] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5135] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5134] <... close resumed>) = 0 [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./269", 0777 [pid 5135] <... 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 5134] close(4 [pid 5133] close(26 [pid 5132] close(27 [pid 3503] <... mkdir resumed>) = 0 [pid 3500] unlink("./258/cgroup.cpu" [pid 5135] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... 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 5136 attached [pid 5135] <... mmap resumed>) = 0x20002000 [pid 5134] close(5 [pid 5133] close(27 [pid 5132] close(28 [pid 3500] <... unlink resumed>) = 0 [pid 5136] set_robust_list(0x5555573195e0, 24 [pid 5135] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 271 [pid 3500] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] <... mmap resumed>) = 0x20000000 [pid 5134] close(6 [pid 5133] close(28 [pid 5132] close(29 [pid 5136] chdir("./269" [pid 5135] close(3 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5136] <... chdir resumed>) = 0 [pid 5135] <... close resumed>) = 0 [pid 5134] close(7 [pid 5133] close(29 [pid 5132] exit_group(0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5135] close(4 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5132] <... exit_group resumed>) = ? [pid 3500] lstat("./258/cgroup", [pid 5136] <... prctl resumed>) = 0 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(8 [pid 5133] exit_group(0 [pid 5132] +++ exited with 0 +++ [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5136] setpgid(0, 0 [pid 5135] close(5 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5133] <... exit_group resumed>) = ? [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5136] <... setpgid resumed>) = 0 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(9 [pid 5133] +++ exited with 0 +++ [pid 3500] unlink("./258/cgroup" [pid 5135] close(6 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5136] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5136] <... symlink resumed>) = 0 [pid 5135] close(7 [pid 5134] close(10 [pid 3500] getdents64(3, [pid 5136] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5136] <... symlink resumed>) = 0 [pid 5135] close(8 [pid 5134] close(11 [pid 3502] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] close(3 [pid 5136] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 5136] <... symlink resumed>) = 0 [pid 5134] close(12 [pid 3500] rmdir("./258" [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5135] close(9 [pid 5134] close(13 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] mkdir("./259", 0777 [pid 5136] write(3, "1000", 4 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... mkdir resumed>) = 0 [pid 5136] <... write resumed>) = 4 [pid 5135] close(10 [pid 5134] close(14 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5136] close(3 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5137 attached [pid 5136] <... close resumed>) = 0 [pid 5135] close(11 [pid 5134] close(15 [pid 3502] fstat(3, [pid 3499] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5137] set_robust_list(0x5555573195e0, 24 [pid 5136] read(200, [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 261 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5136] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] close(16 [pid 5137] chdir("./259" [pid 5136] symlink("/dev/binderfs", "./binderfs" [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... chdir resumed>) = 0 [pid 5136] <... symlink resumed>) = 0 [pid 5134] close(17 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... prctl resumed>) = 0 [pid 5136] <... 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 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(18 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5137] setpgid(0, 0 [pid 5136] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5135] close(12 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... setpgid resumed>) = 0 [pid 5136] <... mmap resumed>) = 0x20002000 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(19 [pid 3502] getdents64(3, [pid 3499] fstat(3, [pid 5137] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5136] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... symlink resumed>) = 0 [pid 5136] <... mmap resumed>) = 0x20000000 [pid 5134] close(20 [pid 5137] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5136] close(3 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... symlink resumed>) = 0 [pid 5136] <... close resumed>) = 0 [pid 5134] close(21 [pid 5137] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5136] close(4 [pid 5135] close(13 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5137] <... symlink resumed>) = 0 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(22 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] close(5 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... openat resumed>) = 3 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(14 [pid 5134] close(23 [pid 3502] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5137] write(3, "1000", 4 [pid 5136] close(6 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... write resumed>) = 4 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5137] close(3 [pid 5136] close(7 [pid 5135] close(15 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./266/binderfs", [pid 3499] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] <... close resumed>) = 0 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(25 [pid 5137] read(200, [pid 5136] close(8 [pid 5135] close(16 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5137] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(26 [pid 5137] symlink("/dev/binderfs", "./binderfs" [pid 5136] close(9 [pid 5135] close(17 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./266/binderfs" [pid 3499] lstat("./253/binderfs", [pid 5137] <... symlink resumed>) = 0 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(27 [pid 3502] <... unlink resumed>) = 0 [pid 5137] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5136] close(10 [pid 5135] close(18 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5137] <... 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 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(28 [pid 3502] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5136] close(11 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(19 [pid 5137] <... mmap resumed>) = 0x20002000 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] close(29 [pid 5137] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5136] close(12 [pid 5134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] <... mmap resumed>) = 0x20000000 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] exit_group(0 [pid 5137] close(3 [pid 5136] close(13 [pid 5134] <... exit_group resumed>) = ? [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./253/binderfs" [pid 5137] <... close resumed>) = 0 [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5134] +++ exited with 0 +++ [pid 5135] close(20 [pid 3502] lstat("./266/cgroup.net", [pid 5137] close(4 [pid 5136] close(14 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... unlink resumed>) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(21 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] close(5 [pid 5136] close(15 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./266/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(22 [pid 3502] <... unlink resumed>) = 0 [pid 3499] lstat("./253/cgroup.net", [pid 5137] close(6 [pid 5136] close(16 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./253/cgroup.net" [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./266/cgroup.cpu", [pid 3499] <... unlink resumed>) = 0 [pid 5135] close(24 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./266/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] close(25 [pid 3502] <... unlink resumed>) = 0 [pid 3499] lstat("./253/cgroup.cpu", [pid 5137] close(7 [pid 5136] close(17 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(26 [pid 3504] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./253/cgroup.cpu" [pid 5137] close(8 [pid 5136] close(18 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] lstat("./266/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(27 [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 3499] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] close(9 [pid 5136] close(19 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] unlink("./266/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(28 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... unlink resumed>) = 0 [pid 3499] lstat("./253/cgroup", [pid 5137] close(10 [pid 5136] close(20 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] close(29 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./253/cgroup" [pid 5137] close(11 [pid 5136] close(21 [pid 5135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] exit_group(0 [pid 3504] lstat("./271/binderfs", [pid 3502] <... close resumed>) = 0 [pid 3499] getdents64(3, [pid 5137] close(12 [pid 5136] close(22 [pid 5135] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] rmdir("./266" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] +++ exited with 0 +++ [pid 3504] unlink("./271/binderfs" [pid 3502] <... rmdir resumed>) = 0 [pid 3499] close(3 [pid 3502] mkdir("./267", 0777 [pid 3499] <... close resumed>) = 0 [pid 5137] close(13 [pid 5136] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] rmdir("./253" [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3499] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5138 attached [pid 5137] close(14 [pid 5136] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... restart_syscall resumed>) = 0 [pid 3499] mkdir("./254", 0777 [pid 5138] set_robust_list(0x5555573195e0, 24 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./271/cgroup.net", [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 269 [pid 3499] <... mkdir resumed>) = 0 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] close(15 [pid 5136] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached [pid 5138] chdir("./267" [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./271/cgroup.net" [pid 3501] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5139] set_robust_list(0x5555573195e0, 24 [pid 5138] <... chdir resumed>) = 0 [pid 5137] close(16 [pid 5136] close(26 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 256 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5139] chdir("./254" [pid 5138] <... prctl resumed>) = 0 [pid 5137] close(17 [pid 5136] close(27 [pid 3504] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 5139] <... chdir resumed>) = 0 [pid 5138] setpgid(0, 0 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5138] <... setpgid resumed>) = 0 [pid 5137] close(18 [pid 5136] close(28 [pid 3504] lstat("./271/cgroup.cpu", [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5139] <... prctl resumed>) = 0 [pid 5138] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] getdents64(3, [pid 5139] setpgid(0, 0 [pid 5138] <... symlink resumed>) = 0 [pid 5137] close(19 [pid 5136] close(29 [pid 3504] unlink("./271/cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5139] <... setpgid resumed>) = 0 [pid 5138] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 5139] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5138] <... symlink resumed>) = 0 [pid 5137] close(20 [pid 5136] exit_group(0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5139] <... symlink resumed>) = 0 [pid 5138] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5136] <... exit_group resumed>) = ? [pid 3504] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./261/binderfs", [pid 5139] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5138] <... symlink resumed>) = 0 [pid 5137] close(21 [pid 5136] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5139] <... symlink resumed>) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./271/cgroup", [pid 3501] unlink("./261/binderfs" [pid 5139] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5138] <... openat resumed>) = 3 [pid 5137] close(22 [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=271, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] <... unlink resumed>) = 0 [pid 5139] <... symlink resumed>) = 0 [pid 5138] write(3, "1000", 4 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./271/cgroup" [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3501] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] <... write resumed>) = 4 [pid 5137] close(23 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5139] <... openat resumed>) = 3 [pid 5138] close(3 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] lstat("./261/cgroup.net", [pid 5139] write(3, "1000", 4 [pid 5138] <... close resumed>) = 0 [pid 5137] close(24 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5139] <... write resumed>) = 4 [pid 5138] read(200, [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./261/cgroup.net" [pid 5139] close(3 [pid 5138] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] close(25 [pid 3504] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 5139] <... close resumed>) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs" [pid 3503] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] read(200, [pid 5138] <... symlink resumed>) = 0 [pid 3504] rmdir("./271" [pid 5137] close(26 [pid 3503] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5139] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] fstat(3, [pid 3504] <... rmdir resumed>) = 0 [pid 3501] lstat("./261/cgroup.cpu", [pid 5139] symlink("/dev/binderfs", "./binderfs" [pid 5138] <... 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 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5139] <... symlink resumed>) = 0 [pid 5138] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] mkdir("./272", 0777 [pid 3503] getdents64(3, [pid 3501] unlink("./261/cgroup.cpu" [pid 5139] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5138] <... mmap resumed>) = 0x20002000 [pid 5137] close(27 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... unlink resumed>) = 0 [pid 5139] <... 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 5138] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5140 attached [pid 5139] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5138] <... mmap resumed>) = 0x20000000 [pid 5137] close(28 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5140] set_robust_list(0x5555573195e0, 24 [pid 5139] <... mmap resumed>) = 0x20002000 [pid 5138] close(3 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./269/binderfs", [pid 3501] lstat("./261/cgroup", [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5138] <... close resumed>) = 0 [pid 5137] close(29 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 274 [pid 3503] <... 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 5140] chdir("./272" [pid 5139] <... mmap resumed>) = 0x20000000 [pid 5138] close(4 [pid 5137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./269/binderfs" [pid 3501] unlink("./261/cgroup" [pid 5140] <... chdir resumed>) = 0 [pid 5139] close(3 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] <... close resumed>) = 0 [pid 5138] close(5 [pid 5137] <... exit_group resumed>) = ? [pid 3503] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 5140] <... prctl resumed>) = 0 [pid 5139] close(4 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] +++ exited with 0 +++ [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(6 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5140] setpgid(0, 0 [pid 5139] close(5 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./269/cgroup.net", [pid 5140] <... setpgid resumed>) = 0 [pid 3501] close(3 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(7 [pid 3500] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5140] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5140] <... symlink resumed>) = 0 [pid 5139] close(6 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] rmdir("./261" [pid 5140] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(8 [pid 3503] unlink("./269/cgroup.net" [pid 3500] <... openat resumed>) = 3 [pid 3500] fstat(3, [pid 5139] close(7 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, 0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./259/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./259/binderfs") = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5140] <... symlink resumed>) = 0 [pid 5140] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3500] lstat("./259/cgroup.net", [pid 5140] <... symlink resumed>) = 0 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(9 [pid 3503] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] mkdir("./262", 0777 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] close(8 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./259/cgroup.net" [pid 5140] <... openat resumed>) = 3 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(10 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5140] write(3, "1000", 4 [pid 5139] close(9 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./269/cgroup.cpu", [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5140] <... write resumed>) = 4 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5140] close(3 [pid 3500] lstat("./259/cgroup.cpu", [pid 5140] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5141 attached [pid 5140] read(200, [pid 5138] close(11 [pid 5139] close(10 [pid 3500] unlink("./259/cgroup.cpu" [pid 5141] set_robust_list(0x5555573195e0, 24 [pid 5140] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./269/cgroup.cpu" [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 264 [pid 3500] <... unlink resumed>) = 0 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] symlink("/dev/binderfs", "./binderfs" [pid 5139] close(11 [pid 5138] close(12 [pid 3500] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5141] chdir("./262" [pid 5140] <... symlink resumed>) = 0 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5141] <... chdir resumed>) = 0 [pid 5140] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5139] close(12 [pid 5138] close(13 [pid 3500] lstat("./259/cgroup", [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] <... 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 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5141] <... prctl resumed>) = 0 [pid 5140] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] unlink("./259/cgroup" [pid 5141] setpgid(0, 0 [pid 5140] <... mmap resumed>) = 0x20002000 [pid 5139] close(13 [pid 5138] close(14 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 5141] <... setpgid resumed>) = 0 [pid 5140] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./269/cgroup", [pid 3500] getdents64(3, [pid 5141] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5140] <... mmap resumed>) = 0x20000000 [pid 5139] close(14 [pid 5138] close(15 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5141] <... symlink resumed>) = 0 [pid 5140] close(3 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] close(3 [pid 5141] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5140] <... close resumed>) = 0 [pid 5139] close(15 [pid 5138] close(16 [pid 3503] unlink("./269/cgroup" [pid 3500] <... close resumed>) = 0 [pid 5141] <... symlink resumed>) = 0 [pid 5140] close(4 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./259" [pid 5141] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(16 [pid 5138] close(17 [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5141] <... symlink resumed>) = 0 [pid 5140] close(5 [pid 3503] getdents64(3, [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./260", 0777 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 5141] <... openat resumed>) = 3 [pid 5140] close(6 [pid 5138] close(18 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached [pid 5141] write(3, "1000", 4 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(17 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 5142] set_robust_list(0x5555573195e0, 24 [pid 5141] <... write resumed>) = 4 [pid 5140] close(7 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 262 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] close(3 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(19 [pid 3503] <... close resumed>) = 0 [pid 5142] chdir("./260" [pid 5141] <... close resumed>) = 0 [pid 5140] close(8 [pid 5142] <... chdir resumed>) = 0 [pid 5141] read(200, [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(18 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./269" [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5140] close(9 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... prctl resumed>) = 0 [pid 5141] symlink("/dev/binderfs", "./binderfs" [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(19 [pid 5138] close(20 [pid 3503] <... rmdir resumed>) = 0 [pid 5142] setpgid(0, 0 [pid 5141] <... symlink resumed>) = 0 [pid 5140] close(10 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./270", 0777 [pid 5142] <... setpgid resumed>) = 0 [pid 5141] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(20 [pid 5138] close(21 [pid 5142] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5141] <... 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 5140] close(11 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 5142] <... symlink resumed>) = 0 [pid 5141] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(21 [pid 5142] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5141] <... mmap resumed>) = 0x20002000 [pid 5140] close(12 [pid 5138] close(22 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5142] <... symlink resumed>) = 0 [pid 5141] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5141] <... mmap resumed>) = 0x20000000 [pid 5140] close(13 [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5143 attached [pid 5142] <... symlink resumed>) = 0 [pid 5141] close(3 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(22 [pid 5138] close(23 [pid 5143] set_robust_list(0x5555573195e0, 24 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5141] <... close resumed>) = 0 [pid 5140] close(14 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... openat resumed>) = 3 [pid 5141] close(4 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 272 [pid 5139] close(23 [pid 5143] chdir("./270" [pid 5142] write(3, "1000", 4 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(15 [pid 5138] close(24 [pid 5143] <... chdir resumed>) = 0 [pid 5142] <... write resumed>) = 4 [pid 5141] close(5 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] close(3 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(16 [pid 5143] <... prctl resumed>) = 0 [pid 5142] <... close resumed>) = 0 [pid 5141] close(6 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] close(25 [pid 5139] close(24 [pid 5143] setpgid(0, 0 [pid 5142] read(200, [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(17 [pid 5143] <... setpgid resumed>) = 0 [pid 5142] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] close(7 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5142] symlink("/dev/binderfs", "./binderfs" [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(18 [pid 5143] <... symlink resumed>) = 0 [pid 5142] <... symlink resumed>) = 0 [pid 5141] close(8 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(25 [pid 5138] close(26 [pid 5143] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5142] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(19 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] <... symlink resumed>) = 0 [pid 5142] <... 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 5141] close(9 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(26 [pid 5138] close(27 [pid 5143] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5142] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(20 [pid 5143] <... symlink resumed>) = 0 [pid 5142] <... mmap resumed>) = 0x20002000 [pid 5141] close(10 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(21 [pid 5139] close(27 [pid 5138] close(28 [pid 5143] <... openat resumed>) = 3 [pid 5142] <... mmap resumed>) = 0x20000000 [pid 5141] close(11 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] write(3, "1000", 4 [pid 5142] close(3 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(22 [pid 5139] close(28 [pid 5138] close(29 [pid 5143] <... write resumed>) = 4 [pid 5142] <... close resumed>) = 0 [pid 5141] close(12 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] close(3 [pid 5142] close(4 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(23 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] <... close resumed>) = 0 [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(13 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] close(29 [pid 5138] exit_group(0 [pid 5143] read(200, [pid 5142] close(5 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(24 [pid 5139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5138] <... exit_group resumed>) = ? [pid 5143] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(14 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] exit_group(0 [pid 5143] symlink("/dev/binderfs", "./binderfs" [pid 5142] close(6 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(25 [pid 5143] <... symlink resumed>) = 0 [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(15 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5142] close(7 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(26 [pid 5143] <... 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 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(16 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5142] close(8 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(27 [pid 5143] <... mmap resumed>) = 0x20002000 [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(17 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] <... exit_group resumed>) = ? [pid 5143] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5142] close(9 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(28 [pid 5143] <... mmap resumed>) = 0x20000000 [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(18 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] close(3 [pid 5142] close(10 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] close(29 [pid 5143] <... close resumed>) = 0 [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(19 [pid 5140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] +++ exited with 0 +++ [pid 5143] close(4 [pid 5142] close(11 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] exit_group(0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(20 [pid 5140] <... exit_group resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5143] close(5 [pid 5142] close(12 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5140] +++ exited with 0 +++ [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(21 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5143] close(6 [pid 5142] close(13 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(22 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3499] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] close(7 [pid 5142] close(14 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(23 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5143] close(8 [pid 5142] close(15 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(24 [pid 3504] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5143] close(9 [pid 5142] close(16 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(25 [pid 3504] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5143] close(10 [pid 5142] close(17 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3499] fstat(3, [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(26 [pid 3504] fstat(3, [pid 3502] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] close(11 [pid 5142] close(18 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(27 [pid 3504] getdents64(3, [pid 3502] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5143] close(12 [pid 5142] close(19 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... openat resumed>) = 3 [pid 3499] getdents64(3, [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(28 [pid 3504] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] fstat(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5143] close(13 [pid 5142] close(20 [pid 5141] <... 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 3499] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] close(29 [pid 3502] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./272/binderfs", [pid 5143] close(14 [pid 5142] close(21 [pid 5141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./254/binderfs", [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5143] close(15 [pid 5142] close(22 [pid 5141] <... exit_group resumed>) = ? [pid 3504] unlink("./272/binderfs" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./254/binderfs" [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./267/binderfs", [pid 3499] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5142] close(23 [pid 3502] unlink("./267/binderfs" [pid 5143] close(16 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] lstat("./254/cgroup.net", [pid 5143] close(17 [pid 5142] close(24 [pid 3504] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5141] +++ exited with 0 +++ [pid 3502] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] unlink("./254/cgroup.net" [pid 5143] close(18 [pid 3504] lstat("./272/cgroup.net", [pid 3502] lstat("./267/cgroup.net", [pid 5142] close(25 [pid 3499] <... unlink resumed>) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] close(19 [pid 5142] close(26 [pid 3504] unlink("./272/cgroup.net" [pid 3502] unlink("./267/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] lstat("./254/cgroup.cpu", [pid 5143] close(20 [pid 5142] close(27 [pid 3504] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 3499] unlink("./254/cgroup.cpu" [pid 5143] close(21 [pid 5142] close(28 [pid 3504] lstat("./272/cgroup.cpu", [pid 3502] lstat("./267/cgroup.cpu", [pid 3501] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... unlink resumed>) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3499] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] close(22 [pid 5142] close(29 [pid 3504] unlink("./272/cgroup.cpu" [pid 3502] unlink("./267/cgroup.cpu" [pid 3501] fstat(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] lstat("./254/cgroup", [pid 5143] close(23 [pid 5142] exit_group(0 [pid 3504] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5143] close(24 [pid 3504] lstat("./272/cgroup", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] unlink("./254/cgroup" [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] lstat("./267/cgroup", [pid 3501] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5143] close(25 [pid 3504] unlink("./272/cgroup" [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] getdents64(3, [pid 5143] close(26 [pid 3504] getdents64(3, [pid 3502] unlink("./267/cgroup" [pid 3501] lstat("./262/binderfs", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] close(3 [pid 5143] close(27 [pid 3504] close(3 [pid 3502] getdents64(3, [pid 3501] unlink("./262/binderfs" [pid 3500] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./254" [pid 5143] close(28 [pid 3504] rmdir("./272" [pid 3502] close(3 [pid 3501] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... rmdir resumed>) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 3499] mkdir("./255", 0777 [pid 5143] close(29 [pid 3504] mkdir("./273", 0777 [pid 3502] rmdir("./267" [pid 3501] lstat("./262/cgroup.net", [pid 3500] fstat(3, [pid 3499] <... mkdir resumed>) = 0 [pid 5143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5144 attached [pid 5143] exit_group(0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] mkdir("./268", 0777 [pid 3501] unlink("./262/cgroup.net" [pid 3500] getdents64(3, [pid 5144] set_robust_list(0x5555573195e0, 24 [pid 5143] <... exit_group resumed>) = ? [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 257 ./strace-static-x86_64: Process 5145 attached [pid 5144] <... set_robust_list resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5146 attached [pid 5145] set_robust_list(0x5555573195e0, 24 [pid 5144] chdir("./255" [pid 5143] +++ exited with 0 +++ [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 275 [pid 5146] set_robust_list(0x5555573195e0, 24 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5144] <... chdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5146] <... set_robust_list resumed>) = 0 [pid 5146] chdir("./268") = 0 [pid 5145] chdir("./273" [pid 3500] lstat("./260/binderfs", [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] <... chdir resumed>) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 270 [pid 3501] lstat("./262/cgroup.cpu", [pid 5146] <... prctl resumed>) = 0 [pid 5146] setpgid(0, 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5146] <... setpgid resumed>) = 0 [pid 5146] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5144] <... prctl resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./260/binderfs" [pid 5146] <... symlink resumed>) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5144] setpgid(0, 0 [pid 3501] unlink("./262/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5146] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5145] <... prctl resumed>) = 0 [pid 5146] <... symlink resumed>) = 0 [pid 5144] <... setpgid resumed>) = 0 [pid 3503] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] setpgid(0, 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 5146] <... openat resumed>) = 3 [pid 5144] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] write(3, "1000", 4 [pid 5145] <... setpgid resumed>) = 0 [pid 3503] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./260/cgroup.net", [pid 5146] <... write resumed>) = 4 [pid 5144] <... symlink resumed>) = 0 [pid 5146] close(3 [pid 3503] <... openat resumed>) = 3 [pid 5146] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5146] read(200, [pid 5145] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5146] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3503] fstat(3, [pid 3501] lstat("./262/cgroup", [pid 3500] unlink("./260/cgroup.net" [pid 5146] symlink("/dev/binderfs", "./binderfs" [pid 5145] <... symlink resumed>) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5146] <... symlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5146] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5145] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5144] <... symlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] unlink("./262/cgroup" [pid 3500] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5146] <... 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 5146] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] <... mmap resumed>) = 0x20002000 [pid 5145] <... symlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5146] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5145] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./260/cgroup.cpu", [pid 5144] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5146] <... mmap resumed>) = 0x20000000 [pid 5145] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] close(3 [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./270/binderfs", [pid 5146] <... close resumed>) = 0 [pid 5146] close(4 [pid 5144] <... symlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./260/cgroup.cpu" [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] close(3 [pid 5146] close(5 [pid 3500] <... unlink resumed>) = 0 [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] close(6 [pid 3503] unlink("./270/binderfs" [pid 3500] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] close(7) = -1 EBADF (Bad file descriptor) [pid 5146] close(8) = -1 EBADF (Bad file descriptor) [pid 5146] close(9) = -1 EBADF (Bad file descriptor) [pid 5146] close(10) = -1 EBADF (Bad file descriptor) [pid 5146] close(11) = -1 EBADF (Bad file descriptor) [pid 5146] close(12) = -1 EBADF (Bad file descriptor) [pid 5146] close(13) = -1 EBADF (Bad file descriptor) [pid 5146] close(14) = -1 EBADF (Bad file descriptor) [pid 5146] close(15) = -1 EBADF (Bad file descriptor) [pid 5146] close(16) = -1 EBADF (Bad file descriptor) [pid 5146] close(17) = -1 EBADF (Bad file descriptor) [pid 5146] close(18) = -1 EBADF (Bad file descriptor) [pid 5146] close(19) = -1 EBADF (Bad file descriptor) [pid 5146] close(20) = -1 EBADF (Bad file descriptor) [pid 5146] close(21 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5146] close(22 [pid 3501] <... close resumed>) = 0 [pid 3500] lstat("./260/cgroup", [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... openat resumed>) = 3 [pid 5146] close(23) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] rmdir("./262" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5146] close(24 [pid 5145] write(3, "1000", 4 [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... openat resumed>) = 3 [pid 5146] close(25 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] unlink("./260/cgroup" [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... write resumed>) = 4 [pid 5144] write(3, "1000", 4 [pid 3503] lstat("./270/cgroup.net", [pid 3501] mkdir("./263", 0777 [pid 5146] close(26 [pid 3500] <... unlink resumed>) = 0 [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5146] close(27 [pid 5144] <... write resumed>) = 4 [pid 3503] unlink("./270/cgroup.net" [pid 3501] <... mkdir resumed>) = 0 [pid 5145] close(3 [pid 3500] getdents64(3, [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] close(28) = -1 EBADF (Bad file descriptor) [pid 5146] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = 0 [pid 5144] close(3 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] close(3 [pid 5146] exit_group(0 [pid 3503] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5146] <... exit_group resumed>) = ? [pid 5145] read(200, [pid 3500] <... close resumed>) = 0 ./strace-static-x86_64: Process 5147 attached [pid 5146] +++ exited with 0 +++ [pid 5144] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] set_robust_list(0x5555573195e0, 24 [pid 5145] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] read(200, [pid 3503] lstat("./270/cgroup.cpu", [pid 3500] rmdir("./260" [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 265 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5147] chdir("./263" [pid 5145] symlink("/dev/binderfs", "./binderfs" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5147] <... chdir resumed>) = 0 [pid 5144] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3503] unlink("./270/cgroup.cpu" [pid 5147] setpgid(0, 0 [pid 5145] <... symlink resumed>) = 0 [pid 5147] <... setpgid resumed>) = 0 [pid 5147] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5144] symlink("/dev/binderfs", "./binderfs" [pid 5145] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] mkdir("./261", 0777 [pid 5147] <... symlink resumed>) = 0 [pid 5144] <... symlink resumed>) = 0 [pid 5147] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3503] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5147] <... symlink resumed>) = 0 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 5147] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5145] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] <... symlink resumed>) = 0 [pid 5144] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] lstat("./270/cgroup", [pid 5147] <... openat resumed>) = 3 [pid 5147] write(3, "1000", 4) = 4 [pid 5147] close(3) = 0 [pid 5147] read(200, 0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5148 attached ) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5148] set_robust_list(0x5555573195e0, 24 [pid 5147] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5145] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5144] <... 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 5148] <... set_robust_list resumed>) = 0 [pid 5147] <... 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] unlink("./270/cgroup" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5148] chdir("./261" [pid 5147] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5145] <... mmap resumed>) = 0x20002000 [pid 5144] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 263 [pid 5148] <... chdir resumed>) = 0 [pid 5147] <... mmap resumed>) = 0x20002000 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5148] <... prctl resumed>) = 0 [pid 5147] <... mmap resumed>) = 0x20000000 [pid 3503] <... unlink resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5148] setpgid(0, 0 [pid 5147] close(3 [pid 5145] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5144] <... mmap resumed>) = 0x20002000 [pid 3503] getdents64(3, [pid 5148] <... setpgid resumed>) = 0 [pid 5147] <... close resumed>) = 0 [pid 3502] <... openat resumed>) = 3 [pid 5148] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5147] close(4 [pid 5145] <... mmap resumed>) = 0x20000000 [pid 5144] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] fstat(3, [pid 5148] <... symlink resumed>) = 0 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(3 [pid 5144] <... mmap resumed>) = 0x20000000 [pid 3503] close(3 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5148] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5147] close(5 [pid 5145] <... close resumed>) = 0 [pid 5144] close(3 [pid 3503] <... close resumed>) = 0 [pid 3502] getdents64(3, [pid 5148] <... symlink resumed>) = 0 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(4 [pid 5144] <... close resumed>) = 0 [pid 3503] rmdir("./270" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5148] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5147] close(6 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(4 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5148] <... symlink resumed>) = 0 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(5 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./271", 0777 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] close(7 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(5 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] lstat("./268/binderfs", [pid 5148] <... openat resumed>) = 3 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(6 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5149 attached [pid 5148] write(3, "1000", 4 [pid 5147] close(8 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(6 [pid 3502] unlink("./268/binderfs" [pid 5149] set_robust_list(0x5555573195e0, 24 [pid 5148] <... write resumed>) = 4 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(7 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 273 [pid 3502] <... unlink resumed>) = 0 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] close(3 [pid 5147] close(9 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(7 [pid 3502] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] chdir("./271" [pid 5148] <... close resumed>) = 0 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(8 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] <... chdir resumed>) = 0 [pid 5148] read(200, [pid 5147] close(10 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(8 [pid 3502] lstat("./268/cgroup.net", [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(9 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... prctl resumed>) = 0 [pid 5148] symlink("/dev/binderfs", "./binderfs" [pid 5147] close(11 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(9 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5149] setpgid(0, 0 [pid 5148] <... symlink resumed>) = 0 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(10 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... setpgid resumed>) = 0 [pid 5148] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5147] close(12 [pid 3502] unlink("./268/cgroup.net" [pid 5149] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5148] <... 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 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(10 [pid 3502] <... unlink resumed>) = 0 [pid 5149] <... symlink resumed>) = 0 [pid 5148] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5147] close(13 [pid 5145] close(11 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5148] <... mmap resumed>) = 0x20002000 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(11 [pid 5149] <... symlink resumed>) = 0 [pid 5148] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5147] close(14 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5148] <... mmap resumed>) = 0x20000000 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(12 [pid 5149] <... symlink resumed>) = 0 [pid 5148] close(3 [pid 5147] close(15 [pid 5144] close(12 [pid 3502] lstat("./268/cgroup.cpu", [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... close resumed>) = 0 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... openat resumed>) = 3 [pid 5148] close(4 [pid 5147] close(16 [pid 5145] close(13 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5149] write(3, "1000", 4 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(13 [pid 3502] unlink("./268/cgroup.cpu" [pid 5149] <... write resumed>) = 4 [pid 5148] close(5 [pid 5147] close(17 [pid 5145] close(14 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5149] close(3 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(14 [pid 3502] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] <... close resumed>) = 0 [pid 5148] close(6 [pid 5147] close(18 [pid 5145] close(15 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] read(200, [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(15 [pid 3502] lstat("./268/cgroup", [pid 5149] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] close(7 [pid 5147] close(19 [pid 5145] close(16 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5149] symlink("/dev/binderfs", "./binderfs" [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(16 [pid 3502] unlink("./268/cgroup" [pid 5149] <... symlink resumed>) = 0 [pid 5148] close(8 [pid 5147] close(20 [pid 5145] close(17 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5149] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(17 [pid 3502] getdents64(3, [pid 5149] <... 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 5148] close(9 [pid 5147] close(21 [pid 5145] close(18 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5149] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(18 [pid 3502] close(3 [pid 5145] close(19 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... close resumed>) = 0 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(19 [pid 3502] rmdir("./268" [pid 5149] <... mmap resumed>) = 0x20002000 [pid 5148] close(10 [pid 5147] close(22 [pid 5145] close(20 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 5149] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(20 [pid 3502] mkdir("./269", 0777 [pid 5149] <... mmap resumed>) = 0x20000000 [pid 5148] close(11 [pid 5147] close(23 [pid 5145] close(21 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 5149] close(3 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(21 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached [pid 5149] <... close resumed>) = 0 [pid 5148] close(12 [pid 5147] close(24 [pid 5145] close(22 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] set_robust_list(0x5555573195e0, 24 [pid 5149] close(4 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(22 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 271 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] close(13 [pid 5147] close(25 [pid 5145] close(23 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] chdir("./269" [pid 5149] close(5 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(23 [pid 5150] <... chdir resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] close(14 [pid 5147] close(26 [pid 5145] close(24 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] close(6 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... prctl resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(25 [pid 5144] close(24 [pid 5150] setpgid(0, 0 [pid 5149] close(7 [pid 5148] close(15 [pid 5147] close(27 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... setpgid resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(26 [pid 5144] close(25 [pid 5150] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5149] close(8 [pid 5148] close(16 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... symlink resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] close(28 [pid 5145] close(27 [pid 5144] close(26 [pid 5150] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5149] close(9 [pid 5148] close(17 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... symlink resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] close(29 [pid 5145] close(28 [pid 5144] close(27 [pid 5150] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5149] close(10 [pid 5148] close(18 [pid 5147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... symlink resumed>) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] close(29 [pid 5147] exit_group(0 [pid 5144] close(28 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] close(11 [pid 5148] close(19 [pid 5145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5147] <... exit_group resumed>) = ? [pid 5150] <... openat resumed>) = 3 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5145] exit_group(0 [pid 5144] close(29 [pid 5150] write(3, "1000", 4 [pid 5145] <... exit_group resumed>) = ? [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] <... write resumed>) = 4 [pid 5149] close(12 [pid 5148] close(20 [pid 5147] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5144] exit_group(0 [pid 5150] close(3 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] <... exit_group resumed>) = ? [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5150] <... close resumed>) = 0 [pid 5149] close(13 [pid 5148] close(21 [pid 5150] read(200, [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] +++ exited with 0 +++ [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5150] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] close(14 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... restart_syscall resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5150] symlink("/dev/binderfs", "./binderfs" [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] close(22 [pid 3504] <... restart_syscall resumed>) = 0 [pid 5150] <... symlink resumed>) = 0 [pid 5149] close(15 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] close(23 [pid 3501] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... 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 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5149] close(16 [pid 5148] close(24 [pid 3504] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... mmap resumed>) = 0x20002000 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5150] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5149] close(17 [pid 5148] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... openat resumed>) = 3 [pid 5150] <... mmap resumed>) = 0x20000000 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] close(26 [pid 3504] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... openat resumed>) = 3 [pid 5150] close(3 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5149] close(18 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5148] close(27 [pid 3504] <... openat resumed>) = 3 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5150] <... close resumed>) = 0 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 3499] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] close(19 [pid 5148] close(28 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5150] close(4 [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] lstat("./255/binderfs", [pid 5149] close(20 [pid 5148] close(29 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] getdents64(3, [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./255/binderfs" [pid 5149] close(21 [pid 5148] exit_group(0 [pid 3504] getdents64(3, [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... unlink resumed>) = 0 [pid 5150] close(5 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... exit_group resumed>) = ? [pid 3499] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] close(22 [pid 5148] +++ exited with 0 +++ [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] close(6 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] lstat("./255/cgroup.net", [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./263/binderfs", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5150] close(7 [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./273/binderfs", [pid 3499] unlink("./255/cgroup.net" [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5149] close(24 [pid 3499] <... unlink resumed>) = 0 [pid 5150] close(8 [pid 3504] unlink("./273/binderfs" [pid 3499] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./263/binderfs" [pid 3500] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] close(9 [pid 5149] close(25 [pid 3504] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] lstat("./255/cgroup.cpu", [pid 5150] close(10 [pid 5149] close(26 [pid 3504] lstat("./273/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./263/cgroup.net", [pid 5150] close(11 [pid 5149] close(27 [pid 3504] unlink("./273/cgroup.net" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./263/cgroup.net" [pid 5150] close(12 [pid 5149] close(28 [pid 3504] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] unlink("./255/cgroup.cpu" [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] close(13 [pid 5149] close(29 [pid 3504] lstat("./273/cgroup.cpu", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] <... unlink resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./263/cgroup.cpu", [pid 5150] close(14 [pid 5149] exit_group(0 [pid 3504] unlink("./273/cgroup.cpu" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./263/cgroup.cpu" [pid 5150] close(15 [pid 3500] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] +++ exited with 0 +++ [pid 3504] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./255/cgroup", [pid 5150] close(16 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./273/cgroup", [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./261/binderfs", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5150] close(17 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3501] lstat("./263/cgroup", [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./273/cgroup" [pid 3503] <... restart_syscall resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5150] close(18 [pid 3504] <... unlink resumed>) = 0 [pid 3501] unlink("./263/cgroup" [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] unlink("./255/cgroup" [pid 5150] close(19 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./261/binderfs" [pid 5150] close(20 [pid 3504] <... close resumed>) = 0 [pid 3503] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./273" [pid 3503] <... openat resumed>) = 3 [pid 3501] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5150] close(21 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] fstat(3, [pid 3501] rmdir("./263" [pid 3499] getdents64(3, [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./274", 0777 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] close(22 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] mkdir("./264", 0777 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] close(23 [pid 3503] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] close(3./strace-static-x86_64: Process 5152 attached ./strace-static-x86_64: Process 5151 attached [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 276 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./261/cgroup.net", [pid 3499] <... close resumed>) = 0 [pid 5152] set_robust_list(0x5555573195e0, 24 [pid 5150] close(24 [pid 3503] lstat("./271/binderfs", [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 266 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5150] <... 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=19, ...}) = 0 [pid 5152] chdir("./264" [pid 5151] set_robust_list(0x5555573195e0, 24 [pid 5150] close(25 [pid 3503] unlink("./271/binderfs" [pid 3499] rmdir("./255" [pid 5152] <... chdir resumed>) = 0 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] unlink("./261/cgroup.net" [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] close(26 [pid 5151] chdir("./274" [pid 3503] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5152] <... prctl resumed>) = 0 [pid 5151] <... chdir resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5152] setpgid(0, 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] close(27 [pid 3503] lstat("./271/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] mkdir("./256", 0777 [pid 5152] <... setpgid resumed>) = 0 [pid 5151] <... prctl resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5152] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5151] setpgid(0, 0 [pid 5150] close(28 [pid 3503] unlink("./271/cgroup.net" [pid 3500] lstat("./261/cgroup.cpu", [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5152] <... symlink resumed>) = 0 [pid 5151] <... setpgid resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5152] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5150] close(29 [pid 3503] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./261/cgroup.cpu"./strace-static-x86_64: Process 5153 attached [pid 5152] <... symlink resumed>) = 0 [pid 5151] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 5153] set_robust_list(0x5555573195e0, 24 [pid 5152] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5151] <... symlink resumed>) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 258 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] <... symlink resumed>) = 0 [pid 5151] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5150] exit_group(0 [pid 3503] lstat("./271/cgroup.cpu", [pid 3500] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] chdir("./256" [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] <... symlink resumed>) = 0 [pid 5150] <... exit_group resumed>) = ? [pid 5153] <... chdir resumed>) = 0 [pid 5152] <... openat resumed>) = 3 [pid 5151] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5151] <... symlink resumed>) = 0 [pid 5153] <... prctl resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] setpgid(0, 0 [pid 5151] <... openat resumed>) = 3 [pid 3503] unlink("./271/cgroup.cpu" [pid 5152] write(3, "1000", 4 [pid 3500] lstat("./261/cgroup", [pid 5153] <... setpgid resumed>) = 0 [pid 5151] write(3, "1000", 4 [pid 5153] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5151] <... write resumed>) = 4 [pid 5153] <... symlink resumed>) = 0 [pid 5152] <... write resumed>) = 4 [pid 5151] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5153] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5152] close(3 [pid 5151] <... close resumed>) = 0 [pid 5153] <... symlink resumed>) = 0 [pid 5152] <... close resumed>) = 0 [pid 5151] read(200, [pid 5150] +++ exited with 0 +++ [pid 3503] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./261/cgroup" [pid 5153] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5152] read(200, [pid 5151] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5153] <... symlink resumed>) = 0 [pid 5151] symlink("/dev/binderfs", "./binderfs" [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] <... unlink resumed>) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... symlink resumed>) = 0 [pid 3503] lstat("./271/cgroup", [pid 5153] <... openat resumed>) = 3 [pid 5152] symlink("/dev/binderfs", "./binderfs" [pid 5151] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] getdents64(3, [pid 5153] write(3, "1000", 4 [pid 5152] <... symlink resumed>) = 0 [pid 5151] <... 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 5153] <... write resumed>) = 4 [pid 5152] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5151] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] unlink("./271/cgroup" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5153] close(3 [pid 5152] <... 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 5151] <... mmap resumed>) = 0x20002000 [pid 5153] <... close resumed>) = 0 [pid 5151] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5153] read(200, [pid 5152] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5151] <... mmap resumed>) = 0x20000000 [pid 3503] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 5153] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] <... mmap resumed>) = 0x20002000 [pid 5151] close(3 [pid 5153] symlink("/dev/binderfs", "./binderfs" [pid 5151] <... close resumed>) = 0 [pid 3503] getdents64(3, [pid 3500] <... close resumed>) = 0 [pid 5153] <... symlink resumed>) = 0 [pid 5152] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5151] close(4 [pid 5153] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] rmdir("./261" [pid 5153] <... 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 5152] <... mmap resumed>) = 0x20000000 [pid 5151] close(5 [pid 3503] close(3 [pid 3502] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... rmdir resumed>) = 0 [pid 5153] <... mmap resumed>) = 0x20002000 [pid 5152] close(3 [pid 5151] close(6 [pid 3503] <... close resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] mkdir("./262", 0777 [pid 5153] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5152] <... close resumed>) = 0 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... mmap resumed>) = 0x20000000 [pid 5151] close(7 [pid 3503] rmdir("./271" [pid 5152] close(4 [pid 3502] <... openat resumed>) = 3 [pid 3500] <... mkdir resumed>) = 0 [pid 5153] close(3 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = 0 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(8 [pid 5153] close(4 [pid 5152] close(5 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3502] fstat(3, [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(9 [pid 5153] close(5 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./272", 0777 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(6 [pid 5151] close(10./strace-static-x86_64: Process 5154 attached [pid 5153] close(6 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] set_robust_list(0x5555573195e0, 24 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(7 [pid 5151] close(11 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] close(7 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] chdir("./262" [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(8 [pid 5151] close(12 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] getdents64(3, [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 264 [pid 5154] <... chdir resumed>) = 0 [pid 5153] close(8 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(9 [pid 5151] close(13 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5154] <... prctl resumed>) = 0 [pid 5153] close(9 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] setpgid(0, 0 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(10 [pid 5151] close(14./strace-static-x86_64: Process 5155 attached [pid 5154] <... setpgid resumed>) = 0 [pid 5153] close(10 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5154] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(11 [pid 5151] close(15 [pid 5154] <... symlink resumed>) = 0 [pid 5153] close(11 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(12 [pid 5151] close(16 [pid 5155] set_robust_list(0x5555573195e0, 24 [pid 5154] <... symlink resumed>) = 0 [pid 5153] close(12 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 274 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(13 [pid 5151] close(17 [pid 5155] chdir("./272" [pid 5154] <... symlink resumed>) = 0 [pid 5153] close(13 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./269/binderfs", [pid 5155] <... chdir resumed>) = 0 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(14 [pid 5151] close(18 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5154] <... openat resumed>) = 3 [pid 5153] close(14 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./269/binderfs" [pid 5155] <... prctl resumed>) = 0 [pid 5154] write(3, "1000", 4 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(15 [pid 5151] close(19 [pid 5155] setpgid(0, 0 [pid 5154] <... write resumed>) = 4 [pid 5153] close(15 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5155] <... setpgid resumed>) = 0 [pid 5154] close(3 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(16 [pid 5151] close(20 [pid 5155] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5154] <... close resumed>) = 0 [pid 5153] close(16 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] <... symlink resumed>) = 0 [pid 5154] read(200, [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(17 [pid 5151] close(21 [pid 5154] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] close(17 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5154] symlink("/dev/binderfs", "./binderfs" [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(18 [pid 5151] close(22 [pid 3502] lstat("./269/cgroup.net", [pid 5155] <... symlink resumed>) = 0 [pid 5154] <... symlink resumed>) = 0 [pid 5153] close(18 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(19 [pid 5151] close(23 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5155] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5154] <... 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 5153] close(19 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] <... symlink resumed>) = 0 [pid 5154] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(20 [pid 5151] close(24 [pid 3502] unlink("./269/cgroup.net" [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5154] <... mmap resumed>) = 0x20002000 [pid 5153] close(20 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] <... openat resumed>) = 3 [pid 5154] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(21 [pid 5151] close(25 [pid 3502] <... unlink resumed>) = 0 [pid 5155] write(3, "1000", 4 [pid 5154] <... mmap resumed>) = 0x20000000 [pid 5153] close(21 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] <... write resumed>) = 4 [pid 5154] close(3 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(22 [pid 5151] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] close(3 [pid 5154] <... close resumed>) = 0 [pid 5153] close(22 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] <... close resumed>) = 0 [pid 5154] close(4 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(23 [pid 5151] close(27 [pid 3502] lstat("./269/cgroup.cpu", [pid 5155] read(200, [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(23 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(5 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(24 [pid 5151] close(28 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(24 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(6 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(25 [pid 5151] close(29 [pid 5155] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(25 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5155] symlink("/dev/binderfs", "./binderfs" [pid 5154] close(7 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(26 [pid 5151] exit_group(0 [pid 5155] <... symlink resumed>) = 0 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(26 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... exit_group resumed>) = ? [pid 3502] unlink("./269/cgroup.cpu" [pid 5155] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5154] close(8 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(27 [pid 3502] <... unlink resumed>) = 0 [pid 5155] <... 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 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(27 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] +++ exited with 0 +++ [pid 3502] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5154] close(9 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(28 [pid 5155] <... mmap resumed>) = 0x20002000 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(28 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5154] close(10 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] close(29 [pid 3504] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./269/cgroup", [pid 5155] <... mmap resumed>) = 0x20000000 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(29 [pid 5152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] close(3 [pid 5154] close(11 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] exit_group(0 [pid 3504] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5155] <... close resumed>) = 0 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] exit_group(0 [pid 5152] <... exit_group resumed>) = ? [pid 3504] <... openat resumed>) = 3 [pid 3502] unlink("./269/cgroup" [pid 5155] close(4 [pid 5154] close(12 [pid 3502] <... unlink resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... exit_group resumed>) = ? [pid 3504] fstat(3, [pid 3502] getdents64(3, [pid 5155] close(5 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 5155] close(6 [pid 3502] <... close resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./269" [pid 5155] close(7 [pid 3502] <... rmdir resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./270", 0777 [pid 5155] close(8 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5152] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(13 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5156 attached [pid 5155] close(9 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(14 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 272 [pid 5156] set_robust_list(0x5555573195e0, 24 [pid 5155] close(10 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] close(11 [pid 3501] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5156] chdir("./270" [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./274/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5156] <... chdir resumed>) = 0 [pid 5155] close(12 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(16 [pid 3501] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5156] <... prctl resumed>) = 0 [pid 5155] close(13 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./274/binderfs" [pid 3501] <... openat resumed>) = 3 [pid 3499] <... openat resumed>) = 3 [pid 5156] setpgid(0, 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(17 [pid 3499] fstat(3, [pid 5156] <... setpgid resumed>) = 0 [pid 5155] close(14 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5156] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5154] close(18 [pid 5156] <... symlink resumed>) = 0 [pid 5155] close(15 [pid 3504] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5156] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] close(16 [pid 5154] close(19 [pid 3504] lstat("./274/cgroup.net", [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... symlink resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./256/binderfs", [pid 5155] close(17 [pid 5154] close(20 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5156] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./274/cgroup.net" [pid 3501] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./256/binderfs" [pid 5156] <... symlink resumed>) = 0 [pid 5155] close(18 [pid 5154] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] close(19 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... openat resumed>) = 3 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(22 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./264/binderfs", [pid 3499] lstat("./256/cgroup.net", [pid 5155] close(20 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./274/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5156] write(3, "1000", 4 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(23 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./264/binderfs" [pid 5156] <... write resumed>) = 4 [pid 3499] unlink("./256/cgroup.net" [pid 5155] close(21 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5156] close(3 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./274/cgroup.cpu" [pid 3499] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] close(22 [pid 5154] close(24 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... close resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./256/cgroup.cpu", [pid 5156] read(200, [pid 5155] close(23 [pid 5154] close(25 [pid 3504] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5156] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./256/cgroup.cpu" [pid 5156] symlink("/dev/binderfs", "./binderfs" [pid 5155] close(24 [pid 5154] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./264/cgroup.net", [pid 3499] <... unlink resumed>) = 0 [pid 5156] <... symlink resumed>) = 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5155] close(25 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./274/cgroup", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(27 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./256/cgroup", [pid 5156] <... 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 5155] close(26 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./274/cgroup" [pid 3501] unlink("./264/cgroup.net" [pid 5156] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5156] <... mmap resumed>) = 0x20002000 [pid 5155] close(27 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5156] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./256/cgroup" [pid 5156] <... mmap resumed>) = 0x20000000 [pid 5155] close(28 [pid 5154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5156] close(3 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5154] exit_group(0 [pid 3504] <... close resumed>) = 0 [pid 3501] lstat("./264/cgroup.cpu", [pid 3499] getdents64(3, [pid 5156] <... close resumed>) = 0 [pid 5155] close(29 [pid 5154] <... exit_group resumed>) = ? [pid 3504] rmdir("./274" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5156] close(4 [pid 5155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3501] unlink("./264/cgroup.cpu" [pid 3499] close(3 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] exit_group(0 [pid 5156] close(5 [pid 5155] <... exit_group resumed>) = ? [pid 3504] mkdir("./275", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5155] +++ exited with 0 +++ [pid 5154] +++ exited with 0 +++ [pid 3504] <... mkdir resumed>) = 0 [pid 3501] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./256" [pid 5156] close(6 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3499] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5157 attached [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3501] lstat("./264/cgroup", [pid 3499] mkdir("./257", 0777 [pid 5157] set_robust_list(0x5555573195e0, 24 [pid 5156] close(7 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 277 [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5157] <... set_robust_list resumed>) = 0 [pid 3503] <... restart_syscall resumed>) = 0 [pid 5157] chdir("./275" [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./264/cgroup" [pid 3500] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5157] <... chdir resumed>) = 0 [pid 5156] close(8 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] <... prctl resumed>) = 0 [pid 5157] setpgid(0, 0) = 0 [pid 5157] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5156] close(9 [pid 3501] getdents64(3, [pid 3500] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5157] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5157] <... symlink resumed>) = 0 [pid 5157] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3501] close(3./strace-static-x86_64: Process 5158 attached [pid 5157] <... symlink resumed>) = 0 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5158] set_robust_list(0x5555573195e0, 24 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] close(10 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5158] <... set_robust_list resumed>) = 0 [pid 5157] <... openat resumed>) = 3 [pid 3501] rmdir("./264" [pid 3500] fstat(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 259 [pid 5158] chdir("./257" [pid 5157] write(3, "1000", 4 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5158] <... chdir resumed>) = 0 [pid 5157] <... write resumed>) = 4 [pid 5156] close(11 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5157] close(3 [pid 3503] <... openat resumed>) = 3 [pid 5158] <... prctl resumed>) = 0 [pid 5157] <... close resumed>) = 0 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3501] mkdir("./265", 0777 [pid 3500] getdents64(3, [pid 5158] setpgid(0, 0 [pid 5157] read(200, [pid 5156] close(12 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5158] <... setpgid resumed>) = 0 [pid 5157] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5157] symlink("/dev/binderfs", "./binderfs" [pid 5156] close(13 [pid 3503] getdents64(3, [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] <... symlink resumed>) = 0 [pid 5157] <... symlink resumed>) = 0 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5158] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5157] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5158] <... symlink resumed>) = 0 [pid 5157] <... 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 ./strace-static-x86_64: Process 5159 attached [pid 5158] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5157] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5156] close(14 [pid 3503] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5159] set_robust_list(0x5555573195e0, 24 [pid 5158] <... symlink resumed>) = 0 [pid 5157] <... mmap resumed>) = 0x20002000 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./262/binderfs", [pid 5159] <... set_robust_list resumed>) = 0 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 267 [pid 5159] chdir("./265" [pid 5158] <... openat resumed>) = 3 [pid 5157] <... mmap resumed>) = 0x20000000 [pid 5156] close(15 [pid 3503] lstat("./272/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5159] <... chdir resumed>) = 0 [pid 5158] write(3, "1000", 4 [pid 5157] close(3 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5158] <... write resumed>) = 4 [pid 5157] <... close resumed>) = 0 [pid 5156] close(16 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./262/binderfs" [pid 5159] <... prctl resumed>) = 0 [pid 5158] close(3 [pid 5157] close(4 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] setpgid(0, 0 [pid 5158] <... close resumed>) = 0 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(17 [pid 3503] unlink("./272/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 5159] <... setpgid resumed>) = 0 [pid 5158] read(200, [pid 5157] close(5 [pid 5159] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5158] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5159] <... symlink resumed>) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs" [pid 5157] close(6 [pid 5159] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5158] <... symlink resumed>) = 0 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(18 [pid 3503] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5159] <... symlink resumed>) = 0 [pid 5158] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5157] close(7 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5158] <... 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 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./262/cgroup.net", [pid 5159] <... symlink resumed>) = 0 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./272/cgroup.net", [pid 5157] close(8 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5158] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(20 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./262/cgroup.net" [pid 5159] <... openat resumed>) = 3 [pid 5158] <... mmap resumed>) = 0x20002000 [pid 5157] close(9 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./272/cgroup.net" [pid 5159] write(3, "1000", 4 [pid 5158] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(21 [pid 3500] <... unlink resumed>) = 0 [pid 5159] <... write resumed>) = 4 [pid 5158] <... mmap resumed>) = 0x20000000 [pid 5157] close(10 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5159] close(3 [pid 5158] close(3 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(22 [pid 3503] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5159] <... close resumed>) = 0 [pid 5158] <... close resumed>) = 0 [pid 5157] close(11 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./262/cgroup.cpu", [pid 5159] read(200, [pid 5158] close(4 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(23 [pid 3503] lstat("./272/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5159] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(12 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./262/cgroup.cpu" [pid 5159] symlink("/dev/binderfs", "./binderfs" [pid 5158] close(5 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(24 [pid 3503] unlink("./272/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5159] <... symlink resumed>) = 0 [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(13 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5159] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5158] close(6 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(25 [pid 3503] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5159] <... 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 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(14 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./262/cgroup", [pid 5159] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5158] close(7 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(26 [pid 3503] lstat("./272/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./262/cgroup" [pid 5159] <... mmap resumed>) = 0x20002000 [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] close(27 [pid 5157] close(15 [pid 3503] unlink("./272/cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 5159] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5158] close(8 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5159] <... mmap resumed>) = 0x20000000 [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(16 [pid 5156] close(28 [pid 3503] getdents64(3, [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5159] close(3 [pid 5158] close(9 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] close(3 [pid 5159] <... close resumed>) = 0 [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(17 [pid 5156] close(29 [pid 3503] close(3 [pid 3500] <... close resumed>) = 0 [pid 5159] close(4 [pid 5158] close(10 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] rmdir("./262" [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(18 [pid 5156] exit_group(0 [pid 3503] rmdir("./272" [pid 3500] <... rmdir resumed>) = 0 [pid 5156] <... exit_group resumed>) = ? [pid 3503] <... rmdir resumed>) = 0 [pid 3500] mkdir("./263", 0777 [pid 5159] close(5 [pid 5158] close(11 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] +++ exited with 0 +++ [pid 3503] mkdir("./273", 0777 [pid 3500] <... mkdir resumed>) = 0 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(19 [pid 3503] <... mkdir resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached [pid 5159] close(6 [pid 5158] close(12 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] set_robust_list(0x5555573195e0, 24 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(20 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- ./strace-static-x86_64: Process 5161 attached [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] close(7 [pid 5158] close(13 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 265 [pid 5161] set_robust_list(0x5555573195e0, 24 [pid 5160] chdir("./263" [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(21 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... set_robust_list resumed>) = 0 [pid 5160] <... chdir resumed>) = 0 [pid 5159] close(8 [pid 5158] close(14 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 275 [pid 3502] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5161] chdir("./273" [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(22 [pid 3502] <... openat resumed>) = 3 [pid 5161] <... chdir resumed>) = 0 [pid 5160] <... prctl resumed>) = 0 [pid 5159] close(9 [pid 5158] close(15 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] setpgid(0, 0 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(23 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5161] <... prctl resumed>) = 0 [pid 5160] <... setpgid resumed>) = 0 [pid 5159] close(10 [pid 5158] close(16 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5161] setpgid(0, 0 [pid 5160] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(24 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5161] <... setpgid resumed>) = 0 [pid 5160] <... symlink resumed>) = 0 [pid 5159] close(11 [pid 5158] close(17 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5161] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5160] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(25 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... symlink resumed>) = 0 [pid 5160] <... symlink resumed>) = 0 [pid 5161] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5160] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5159] close(12 [pid 5158] close(18 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./270/binderfs", [pid 5161] <... symlink resumed>) = 0 [pid 5160] <... symlink resumed>) = 0 [pid 5161] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(26 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5161] <... symlink resumed>) = 0 [pid 5160] <... openat resumed>) = 3 [pid 5159] close(13 [pid 5158] close(19 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./270/binderfs" [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] write(3, "1000", 4 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(27 [pid 3502] <... unlink resumed>) = 0 [pid 5161] <... openat resumed>) = 3 [pid 5160] <... write resumed>) = 4 [pid 5159] close(14 [pid 5158] close(20 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5161] write(3, "1000", 4 [pid 5160] close(3 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(28 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... write resumed>) = 4 [pid 5160] <... close resumed>) = 0 [pid 5159] close(15 [pid 5158] close(21 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./270/cgroup.net", [pid 5161] close(3 [pid 5160] read(200, [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] close(29 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5161] <... close resumed>) = 0 [pid 5160] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] close(16 [pid 5158] close(22 [pid 5157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./270/cgroup.net" [pid 5161] read(200, [pid 5160] symlink("/dev/binderfs", "./binderfs" [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 5161] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... symlink resumed>) = 0 [pid 5159] close(17 [pid 5158] close(23 [pid 5157] <... exit_group resumed>) = ? [pid 3502] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5161] symlink("/dev/binderfs", "./binderfs" [pid 5160] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5157] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... symlink resumed>) = 0 [pid 5160] <... 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 5159] close(18 [pid 5158] close(24 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] lstat("./270/cgroup.cpu", [pid 5161] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5161] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5160] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5159] close(19 [pid 5158] close(25 [pid 3504] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./270/cgroup.cpu" [pid 5161] <... mmap resumed>) = 0x20002000 [pid 5160] <... mmap resumed>) = 0x20002000 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5160] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5159] close(20 [pid 5158] close(26 [pid 3504] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... unlink resumed>) = 0 [pid 5161] <... mmap resumed>) = 0x20000000 [pid 5160] <... mmap resumed>) = 0x20000000 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5161] close(3 [pid 5160] close(3 [pid 5159] close(21 [pid 5158] close(27 [pid 3504] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... close resumed>) = 0 [pid 5160] <... close resumed>) = 0 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] lstat("./270/cgroup", [pid 5161] close(4 [pid 5160] close(4 [pid 5159] close(22 [pid 5158] close(28 [pid 3504] getdents64(3, [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5161] close(5 [pid 5160] close(5 [pid 5159] close(23 [pid 5158] close(29 [pid 3504] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./270/cgroup" [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./275/binderfs", [pid 5160] close(6 [pid 3502] <... unlink resumed>) = 0 [pid 5161] close(6 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] close(24 [pid 5158] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] getdents64(3, [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(7 [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5158] <... exit_group resumed>) = ? [pid 3504] unlink("./275/binderfs" [pid 5161] close(7 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3504] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./275/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] unlink("./275/cgroup.net") = 0 [pid 3504] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5160] close(8 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 5161] close(8 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./275/cgroup.cpu", [pid 3502] <... close resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(9 [pid 5159] close(26 [pid 5158] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] rmdir("./270" [pid 5161] close(9 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./275/cgroup.cpu" [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(10 [pid 5159] close(27 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 5161] close(10 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./271", 0777 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(11 [pid 5159] close(28 [pid 3504] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... mkdir resumed>) = 0 [pid 5161] close(11 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... 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 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(12 [pid 5159] close(29 [pid 3504] lstat("./275/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5162 attached [pid 5161] close(12 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./275/cgroup" [pid 3499] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5162] set_robust_list(0x5555573195e0, 24 [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(13 [pid 5159] exit_group(0 [pid 3504] getdents64(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 273 [pid 3499] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5162] chdir("./271" [pid 5161] close(13 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5162] <... chdir resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(14 [pid 3504] close(3 [pid 3499] fstat(3, [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5162] <... prctl resumed>) = 0 [pid 5161] close(14 [pid 5160] close(15 [pid 3504] rmdir("./275" [pid 3499] getdents64(3, [pid 5162] setpgid(0, 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] +++ exited with 0 +++ [pid 3504] <... rmdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5162] <... setpgid resumed>) = 0 [pid 5161] close(15 [pid 5160] close(16 [pid 3504] mkdir("./276", 0777 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3499] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5162] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5162] <... symlink resumed>) = 0 [pid 5161] close(16 [pid 5160] close(17 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./257/binderfs", [pid 5162] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5162] <... symlink resumed>) = 0 [pid 5160] close(18 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 278 [pid 3499] unlink("./257/binderfs"./strace-static-x86_64: Process 5163 attached [pid 5162] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5161] close(17 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5163] set_robust_list(0x5555573195e0, 24 [pid 5162] <... symlink resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(19 [pid 3501] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] <... set_robust_list resumed>) = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] close(18 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] chdir("./276" [pid 5162] <... openat resumed>) = 3 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(20 [pid 3501] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] lstat("./257/cgroup.net", [pid 5163] <... chdir resumed>) = 0 [pid 5162] write(3, "1000", 4 [pid 5161] close(19 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] <... write resumed>) = 4 [pid 5160] close(21 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 3499] unlink("./257/cgroup.net" [pid 5163] <... prctl resumed>) = 0 [pid 5162] close(3 [pid 5161] close(20 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5163] setpgid(0, 0 [pid 5162] <... close resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(22 [pid 3501] getdents64(3, [pid 3499] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] <... setpgid resumed>) = 0 [pid 5162] read(200, [pid 5161] close(21 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5162] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(23 [pid 3501] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./257/cgroup.cpu", [pid 5163] <... symlink resumed>) = 0 [pid 5162] symlink("/dev/binderfs", "./binderfs" [pid 5161] close(22 [pid 5160] <... 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=19, ...}) = 0 [pid 5163] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5162] <... symlink resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(24 [pid 3501] lstat("./265/binderfs", [pid 3499] unlink("./257/cgroup.cpu" [pid 5163] <... symlink resumed>) = 0 [pid 5162] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5161] close(23 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5163] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5162] <... 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 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(25 [pid 3501] unlink("./265/binderfs" [pid 3499] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] <... symlink resumed>) = 0 [pid 5162] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5161] close(24 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] <... mmap resumed>) = 0x20002000 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(26 [pid 3501] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./257/cgroup", [pid 5163] <... openat resumed>) = 3 [pid 5162] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5161] close(25 [pid 5160] <... 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=23, ...}) = 0 [pid 5162] <... mmap resumed>) = 0x20000000 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(27 [pid 3501] lstat("./265/cgroup.net", [pid 3499] unlink("./257/cgroup" [pid 5162] close(3 [pid 5161] close(26 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5162] <... close resumed>) = 0 [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(28 [pid 3501] unlink("./265/cgroup.net" [pid 3499] getdents64(3, [pid 5163] write(3, "1000", 4 [pid 5162] close(4 [pid 5161] close(27 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5163] <... write resumed>) = 4 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] close(29 [pid 5163] close(3 [pid 5162] close(5 [pid 5161] close(28 [pid 5160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] close(3 [pid 5163] <... close resumed>) = 0 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] exit_group(0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 5163] read(200, 0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5162] close(6 [pid 5161] close(29 [pid 5160] <... exit_group resumed>) = ? [pid 3501] lstat("./265/cgroup.cpu", [pid 3499] rmdir("./257" [pid 5163] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5160] +++ exited with 0 +++ [pid 5163] <... 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 5162] close(7 [pid 5161] exit_group(0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5163] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5161] <... exit_group resumed>) = ? [pid 3501] unlink("./265/cgroup.cpu" [pid 3499] mkdir("./258", 0777 [pid 5163] <... mmap resumed>) = 0x20002000 [pid 5162] close(8 [pid 5161] +++ exited with 0 +++ [pid 3501] <... unlink resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3499] <... mkdir resumed>) = 0 [pid 5163] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached [pid 5163] <... mmap resumed>) = 0x20000000 [pid 5162] close(9 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5164] set_robust_list(0x5555573195e0, 24 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./265/cgroup", [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 260 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] close(3 [pid 5162] close(10 [pid 3503] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 5164] chdir("./258" [pid 5163] <... close resumed>) = 0 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./265/cgroup" [pid 5164] <... chdir resumed>) = 0 [pid 5163] close(4 [pid 5162] close(11 [pid 3503] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... unlink resumed>) = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3501] getdents64(3, [pid 5164] <... prctl resumed>) = 0 [pid 5162] close(12 [pid 3503] fstat(3, [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5164] setpgid(0, 0 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] close(3 [pid 5164] <... setpgid resumed>) = 0 [pid 5162] close(13 [pid 3503] getdents64(3, [pid 3501] <... close resumed>) = 0 [pid 5164] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] rmdir("./265" [pid 5164] <... symlink resumed>) = 0 [pid 5163] close(5 [pid 5162] close(14 [pid 3503] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... rmdir resumed>) = 0 [pid 5164] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] mkdir("./266", 0777 [pid 5164] <... symlink resumed>) = 0 [pid 5163] close(6 [pid 5162] close(15 [pid 3503] lstat("./273/binderfs", [pid 3501] <... mkdir resumed>) = 0 [pid 3500] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5164] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] <... symlink resumed>) = 0 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(16 [pid 3503] unlink("./273/binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5165 attached [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] close(7 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 268 [pid 3500] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5165] set_robust_list(0x5555573195e0, 24 [pid 5164] <... openat resumed>) = 3 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(17 [pid 3503] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] write(3, "1000", 4 [pid 5163] close(8 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 5165] chdir("./266" [pid 5164] <... write resumed>) = 4 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(18 [pid 3503] lstat("./273/cgroup.net", [pid 3500] fstat(3, [pid 5165] <... chdir resumed>) = 0 [pid 5164] close(3 [pid 5163] close(9 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... close resumed>) = 0 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(19 [pid 3503] unlink("./273/cgroup.net" [pid 5164] read(200, [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5164] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] close(20 [pid 3503] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5164] symlink("/dev/binderfs", "./binderfs" [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5164] <... symlink resumed>) = 0 [pid 5162] close(21 [pid 3503] lstat("./273/cgroup.cpu", [pid 5164] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5163] close(10 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] getdents64(3, [pid 5165] <... prctl resumed>) = 0 [pid 5164] <... 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 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(22 [pid 3503] unlink("./273/cgroup.cpu" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5165] setpgid(0, 0 [pid 5164] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5163] close(11 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5165] <... setpgid resumed>) = 0 [pid 5164] <... mmap resumed>) = 0x20002000 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(23 [pid 3503] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5165] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5164] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5163] close(12 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./263/binderfs", [pid 5165] <... symlink resumed>) = 0 [pid 5164] <... mmap resumed>) = 0x20000000 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(24 [pid 3503] lstat("./273/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5164] close(3 [pid 5163] close(13 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./263/binderfs" [pid 5164] <... close resumed>) = 0 [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(25 [pid 3503] unlink("./273/cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 5165] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5164] close(4 [pid 5163] close(14 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(26 [pid 3503] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5164] close(5 [pid 5163] close(15 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./263/cgroup.net", [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(27 [pid 3503] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5165] <... symlink resumed>) = 0 [pid 5164] close(6 [pid 5163] close(16 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] unlink("./263/cgroup.net" [pid 5165] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(28 [pid 3503] rmdir("./273" [pid 3500] <... unlink resumed>) = 0 [pid 5165] <... symlink resumed>) = 0 [pid 5164] close(7 [pid 5163] close(17 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3500] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] close(29 [pid 3503] mkdir("./274", 0777 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5165] <... openat resumed>) = 3 [pid 5164] close(8 [pid 5163] close(18 [pid 5162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] lstat("./263/cgroup.cpu", [pid 5165] write(3, "1000", 4 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] exit_group(0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5166 attached [pid 5165] <... write resumed>) = 4 [pid 5164] close(9 [pid 5163] close(19 [pid 5162] <... exit_group resumed>) = ? [pid 3500] unlink("./263/cgroup.cpu" [pid 5166] set_robust_list(0x5555573195e0, 24 [pid 5165] close(3 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] +++ exited with 0 +++ [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 276 [pid 3500] <... unlink resumed>) = 0 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] <... close resumed>) = 0 [pid 5164] close(10 [pid 5163] close(20 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] chdir("./274" [pid 5165] read(200, [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5166] <... chdir resumed>) = 0 [pid 5165] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] close(11 [pid 5163] close(21 [pid 3500] lstat("./263/cgroup", [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] symlink("/dev/binderfs", "./binderfs" [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5166] <... prctl resumed>) = 0 [pid 5165] <... symlink resumed>) = 0 [pid 5164] close(12 [pid 5163] close(22 [pid 3500] unlink("./263/cgroup" [pid 5166] setpgid(0, 0 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5166] <... setpgid resumed>) = 0 [pid 5164] close(13 [pid 5163] close(23 [pid 3502] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5166] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5165] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5166] <... symlink resumed>) = 0 [pid 5165] <... 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 5164] close(14 [pid 5163] close(24 [pid 3502] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] close(3 [pid 5166] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5165] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3500] <... close resumed>) = 0 [pid 5166] <... symlink resumed>) = 0 [pid 5165] <... mmap resumed>) = 0x20002000 [pid 5164] close(15 [pid 5163] close(25 [pid 3502] fstat(3, [pid 3500] rmdir("./263" [pid 5166] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5165] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5166] <... symlink resumed>) = 0 [pid 5165] <... mmap resumed>) = 0x20000000 [pid 5164] close(16 [pid 5163] close(26 [pid 3502] getdents64(3, [pid 3500] mkdir("./264", 0777 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... mkdir resumed>) = 0 [pid 5166] <... openat resumed>) = 3 [pid 5164] close(17 [pid 5163] close(27 [pid 3502] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached [pid 5166] write(3, "1000", 4 [pid 5165] close(3 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] set_robust_list(0x5555573195e0, 24 [pid 5166] <... write resumed>) = 4 [pid 5165] <... close resumed>) = 0 [pid 5164] close(18 [pid 5163] close(28 [pid 3502] lstat("./271/binderfs", [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 266 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] close(3 [pid 5165] close(4 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5167] chdir("./264" [pid 5166] <... close resumed>) = 0 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] close(19 [pid 5163] close(29 [pid 3502] unlink("./271/binderfs" [pid 5167] <... chdir resumed>) = 0 [pid 5166] read(200, [pid 5165] close(5 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] close(20 [pid 5163] exit_group(0 [pid 3502] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] <... prctl resumed>) = 0 [pid 5166] symlink("/dev/binderfs", "./binderfs" [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] <... exit_group resumed>) = ? [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] setpgid(0, 0 [pid 5166] <... symlink resumed>) = 0 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] close(21 [pid 5163] +++ exited with 0 +++ [pid 3502] lstat("./271/cgroup.net", [pid 5167] <... setpgid resumed>) = 0 [pid 5166] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5165] close(6 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5167] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5166] <... 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 5164] close(22 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] unlink("./271/cgroup.net" [pid 5167] <... symlink resumed>) = 0 [pid 5166] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] <... unlink resumed>) = 0 [pid 5167] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5166] <... mmap resumed>) = 0x20002000 [pid 5165] close(7 [pid 5164] close(23 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] <... symlink resumed>) = 0 [pid 5166] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5166] <... mmap resumed>) = 0x20000000 [pid 5164] close(24 [pid 3502] lstat("./271/cgroup.cpu", [pid 5167] <... symlink resumed>) = 0 [pid 5166] close(3 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] <... close resumed>) = 0 [pid 5165] close(8 [pid 5164] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./271/cgroup.cpu" [pid 5167] <... openat resumed>) = 3 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(4 [pid 5165] close(9) = -1 EBADF (Bad file descriptor) [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... unlink resumed>) = 0 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] write(3, "1000", 4 [pid 5165] close(10 [pid 5164] close(26 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(11) = -1 EBADF (Bad file descriptor) [pid 5165] close(12 [pid 5167] <... write resumed>) = 4 [pid 5166] close(5 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] close(3 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] close(27 [pid 3504] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... close resumed>) = 0 [pid 5166] close(6 [pid 5165] close(13) = -1 EBADF (Bad file descriptor) [pid 5167] read(200, [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(14 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] lstat("./271/cgroup", [pid 5167] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] close(7 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(15) = -1 EBADF (Bad file descriptor) [pid 5164] close(28 [pid 3504] getdents64(3, [pid 5167] symlink("/dev/binderfs", "./binderfs" [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(16 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5167] <... symlink resumed>) = 0 [pid 5166] close(8 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] unlink("./271/cgroup" [pid 5165] close(17 [pid 5164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 5167] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] getdents64(3, [pid 5167] <... 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 5166] close(9 [pid 5165] close(18 [pid 5164] <... exit_group resumed>) = ? [pid 3504] lstat("./276/binderfs", [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5167] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(19 [pid 5167] <... mmap resumed>) = 0x20002000 [pid 5166] close(10 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] close(3 [pid 5167] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(20 [pid 5164] +++ exited with 0 +++ [pid 3504] unlink("./276/binderfs" [pid 3502] <... close resumed>) = 0 [pid 5167] <... mmap resumed>) = 0x20000000 [pid 5166] close(11 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] rmdir("./271" [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5167] close(3 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(21 [pid 3504] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 5167] <... close resumed>) = 0 [pid 5166] close(12 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] mkdir("./272", 0777 [pid 5167] close(4 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(22 [pid 3504] lstat("./276/cgroup.net", [pid 3502] <... mkdir resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(13 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] close(5 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(23 [pid 3504] unlink("./276/cgroup.net"./strace-static-x86_64: Process 5168 attached [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(14 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5168] set_robust_list(0x5555573195e0, 24 [pid 5167] close(6 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 274 [pid 3499] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5168] <... set_robust_list resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(15 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5168] chdir("./272" [pid 5167] close(7 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(24 [pid 3504] lstat("./276/cgroup.cpu", [pid 3499] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5168] <... chdir resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(16 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5167] close(8 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(25 [pid 3504] unlink("./276/cgroup.cpu" [pid 3499] fstat(3, [pid 5168] <... prctl resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(17 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5168] setpgid(0, 0 [pid 5167] close(9 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(26 [pid 3504] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5168] <... setpgid resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(18 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5168] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./276/cgroup", [pid 3499] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5168] <... symlink resumed>) = 0 [pid 5166] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5168] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5167] close(10 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(27 [pid 3504] unlink("./276/cgroup" [pid 3499] lstat("./258/binderfs", [pid 5168] <... symlink resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(20 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5168] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5167] close(11 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(28 [pid 3504] getdents64(3, [pid 3499] unlink("./258/binderfs" [pid 5168] <... symlink resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(21 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5167] close(12 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] close(29 [pid 3504] close(3 [pid 3499] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5168] <... openat resumed>) = 3 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(22 [pid 5165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5168] write(3, "1000", 4 [pid 5167] close(13 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] exit_group(0 [pid 3504] rmdir("./276" [pid 3499] lstat("./258/cgroup.net", [pid 5168] <... write resumed>) = 4 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(23 [pid 5165] <... exit_group resumed>) = ? [pid 3504] <... rmdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5168] close(3 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./277", 0777 [pid 3499] unlink("./258/cgroup.net" [pid 5168] <... close resumed>) = 0 [pid 5166] close(24 [pid 3504] <... mkdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5168] read(200, [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5169 attached [pid 5168] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5167] close(14 [pid 5166] close(25 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] set_robust_list(0x5555573195e0, 24 [pid 5168] symlink("/dev/binderfs", "./binderfs" [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 279 [pid 3499] lstat("./258/cgroup.cpu", [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] <... symlink resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(26 [pid 5165] +++ exited with 0 +++ [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5169] chdir("./277" [pid 5168] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(15 [pid 3499] unlink("./258/cgroup.cpu" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5169] <... chdir resumed>) = 0 [pid 5168] <... 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 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(27 [pid 3499] <... unlink resumed>) = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5167] close(16 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... prctl resumed>) = 0 [pid 5168] <... mmap resumed>) = 0x20002000 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] close(28 [pid 3501] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5169] setpgid(0, 0 [pid 5168] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5167] close(17 [pid 5166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] <... setpgid resumed>) = 0 [pid 5168] <... mmap resumed>) = 0x20000000 [pid 5167] close(18 [pid 5166] close(29 [pid 3501] <... openat resumed>) = 3 [pid 3499] lstat("./258/cgroup", [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 5169] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5167] close(19 [pid 5166] <... 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=23, ...}) = 0 [pid 5168] close(3 [pid 5169] <... symlink resumed>) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] exit_group(0 [pid 3501] getdents64(3, [pid 5168] <... close resumed>) = 0 [pid 5167] close(20 [pid 5166] <... exit_group resumed>) = ? [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] unlink("./258/cgroup" [pid 5169] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5168] close(4 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] close(21 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./266/binderfs", [pid 5167] close(22 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./266/binderfs" [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(23 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5169] <... symlink resumed>) = 0 [pid 5168] close(5 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5169] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(24 [pid 5166] +++ exited with 0 +++ [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] <... symlink resumed>) = 0 [pid 5168] close(6 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] lstat("./266/cgroup.net", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(25 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5168] close(7 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./266/cgroup.net" [pid 3499] close(3 [pid 5169] <... openat resumed>) = 3 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(26 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5169] write(3, "1000", 4 [pid 5168] close(8 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./258" [pid 5169] <... write resumed>) = 4 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... rmdir resumed>) = 0 [pid 5169] close(3 [pid 5168] close(9 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./266/cgroup.cpu", [pid 3499] mkdir("./259", 0777 [pid 5169] <... close resumed>) = 0 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(28 [pid 3503] <... openat resumed>) = 3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5169] read(200, [pid 5168] close(10 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3501] unlink("./266/cgroup.cpu" [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] close(29 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5170 attached [pid 5169] symlink("/dev/binderfs", "./binderfs" [pid 5168] close(11 [pid 5167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 261 [pid 5170] set_robust_list(0x5555573195e0, 24 [pid 5169] <... symlink resumed>) = 0 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] exit_group(0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5168] close(12 [pid 3503] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5169] <... 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 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5168] close(13 [pid 3503] lstat("./274/binderfs", [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] <... mmap resumed>) = 0x20002000 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./266/cgroup", [pid 5169] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5168] close(14 [pid 3503] unlink("./274/binderfs" [pid 5169] <... mmap resumed>) = 0x20000000 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5169] close(3 [pid 5168] close(15 [pid 3503] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5169] <... close resumed>) = 0 [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5167] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] close(4 [pid 5168] close(16 [pid 3503] lstat("./274/cgroup.net", [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5170] chdir("./259" [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5169] close(5 [pid 5168] close(17 [pid 5170] <... chdir resumed>) = 0 [pid 3503] unlink("./274/cgroup.net" [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./266/cgroup" [pid 3500] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5170] <... prctl resumed>) = 0 [pid 5169] close(6 [pid 5168] close(18 [pid 3503] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5170] setpgid(0, 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5169] close(7 [pid 5168] close(19 [pid 3503] lstat("./274/cgroup.cpu", [pid 3500] <... openat resumed>) = 3 [pid 5170] <... setpgid resumed>) = 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] getdents64(3, [pid 3500] fstat(3, [pid 5170] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5169] close(8 [pid 5168] close(20 [pid 3503] unlink("./274/cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5170] <... symlink resumed>) = 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 3500] getdents64(3, [pid 5170] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5169] close(9 [pid 5168] close(21 [pid 3503] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 5170] <... symlink resumed>) = 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./266" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5170] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5169] close(10 [pid 5168] close(22 [pid 3503] lstat("./274/cgroup", [pid 3501] <... rmdir resumed>) = 0 [pid 5170] <... symlink resumed>) = 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./267", 0777 [pid 3500] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] close(11 [pid 5168] close(23 [pid 3501] <... mkdir resumed>) = 0 [pid 5170] <... openat resumed>) = 3 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./274/cgroup" [pid 3501] 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 5171 attached [pid 5170] write(3, "1000", 4 [pid 5169] close(12 [pid 5168] close(24 [pid 3503] <... unlink resumed>) = 0 [pid 5171] set_robust_list(0x5555573195e0, 24 [pid 5170] <... write resumed>) = 4 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 269 [pid 3500] lstat("./264/binderfs", [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] close(3 [pid 5169] close(13 [pid 5168] close(25 [pid 5171] chdir("./267" [pid 5170] <... close resumed>) = 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5171] <... chdir resumed>) = 0 [pid 5170] read(200, [pid 5169] close(14 [pid 5168] close(26 [pid 3503] close(3 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] unlink("./264/binderfs" [pid 5171] <... prctl resumed>) = 0 [pid 5170] symlink("/dev/binderfs", "./binderfs" [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 5171] setpgid(0, 0 [pid 5170] <... symlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5171] <... setpgid resumed>) = 0 [pid 5170] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5169] close(15 [pid 5168] close(27 [pid 3503] rmdir("./274" [pid 3500] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5171] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5170] <... 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 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 5171] <... symlink resumed>) = 0 [pid 5170] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5171] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5170] <... mmap resumed>) = 0x20002000 [pid 5169] close(16 [pid 5168] close(28 [pid 3503] mkdir("./275", 0777 [pid 3500] lstat("./264/cgroup.net", [pid 5171] <... symlink resumed>) = 0 [pid 5170] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 5171] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5170] <... mmap resumed>) = 0x20000000 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5171] <... symlink resumed>) = 0 [pid 5170] close(3 [pid 5169] close(17 [pid 5168] close(29 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] <... close resumed>) = 0 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./264/cgroup.net" [pid 5171] <... openat resumed>) = 3 [pid 5170] close(4 [pid 5171] write(3, "1000", 4 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] exit_group(0 [pid 5169] close(18 [pid 5171] <... write resumed>) = 4 [pid 5170] close(5 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5168] <... exit_group resumed>) = ? [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5172 attached [pid 5171] close(3 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] set_robust_list(0x5555573195e0, 24 [pid 5171] <... close resumed>) = 0 [pid 5170] close(6 [pid 5169] close(19 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] read(200, [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] chdir("./275" [pid 5171] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] close(7 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 277 [pid 3500] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5172] <... chdir resumed>) = 0 [pid 5171] symlink("/dev/binderfs", "./binderfs" [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] close(20 [pid 5168] +++ exited with 0 +++ [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5171] <... symlink resumed>) = 0 [pid 5170] close(8 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5172] <... prctl resumed>) = 0 [pid 5171] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5172] setpgid(0, 0 [pid 5171] <... 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 5170] close(9 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] lstat("./264/cgroup.cpu", [pid 5172] <... setpgid resumed>) = 0 [pid 5171] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] close(21 [pid 3502] <... restart_syscall resumed>) = 0 [pid 5172] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5171] <... mmap resumed>) = 0x20002000 [pid 5170] close(10 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5172] <... symlink resumed>) = 0 [pid 5171] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5171] <... mmap resumed>) = 0x20000000 [pid 5170] close(11 [pid 5169] close(22 [pid 3502] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./264/cgroup.cpu" [pid 5172] <... symlink resumed>) = 0 [pid 5171] close(3 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5172] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5171] <... close resumed>) = 0 [pid 5170] close(12 [pid 3502] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... unlink resumed>) = 0 [pid 5172] <... symlink resumed>) = 0 [pid 5171] close(4 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] close(23 [pid 3502] <... openat resumed>) = 3 [pid 3500] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] close(13 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] close(24 [pid 3500] lstat("./264/cgroup", [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5169] close(25 [pid 3500] unlink("./264/cgroup" [pid 5172] <... openat resumed>) = 3 [pid 5171] close(5 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5169] close(26 [pid 3500] getdents64(3, [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] close(14 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5172] write(3, "1000", 4 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5172] <... write resumed>) = 4 [pid 5171] close(6 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] close(27 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] close(3 [pid 5172] close(3 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] close(15 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 5172] <... close resumed>) = 0 [pid 5171] close(7 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] close(28 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./264" [pid 5172] read(200, [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] close(16 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./272/binderfs", [pid 3500] <... rmdir resumed>) = 0 [pid 5172] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] close(8 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] close(29 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] mkdir("./265", 0777 [pid 5172] symlink("/dev/binderfs", "./binderfs" [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] close(17 [pid 5169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./272/binderfs" [pid 3500] <... mkdir resumed>) = 0 [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached [pid 5172] <... symlink resumed>) = 0 [pid 5171] close(9 [pid 5170] close(18 [pid 5169] <... exit_group resumed>) = ? [pid 3502] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] set_robust_list(0x5555573195e0, 24 [pid 5172] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5169] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 267 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] <... 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 5171] close(10 [pid 5170] close(19 [pid 5173] chdir("./265" [pid 5172] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] <... chdir resumed>) = 0 [pid 5172] <... mmap resumed>) = 0x20002000 [pid 5171] close(11 [pid 5170] close(20 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] lstat("./272/cgroup.net", [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] <... prctl resumed>) = 0 [pid 5172] <... mmap resumed>) = 0x20000000 [pid 5171] close(12 [pid 5170] close(21 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5173] setpgid(0, 0 [pid 5172] close(3 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] <... setpgid resumed>) = 0 [pid 5172] <... close resumed>) = 0 [pid 5171] close(13 [pid 5170] close(22 [pid 5173] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5172] close(4 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] unlink("./272/cgroup.net" [pid 5173] <... symlink resumed>) = 0 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(14 [pid 5170] close(23 [pid 5173] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5172] close(5 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5173] <... symlink resumed>) = 0 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(15 [pid 5170] close(24 [pid 5173] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5172] close(6 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] <... symlink resumed>) = 0 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(16 [pid 5170] close(25 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] close(7 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] <... openat resumed>) = 3 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(17 [pid 5170] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] write(3, "1000", 4 [pid 5172] close(8 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./272/cgroup.cpu", [pid 5173] <... write resumed>) = 4 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(18 [pid 5170] close(27 [pid 3504] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5173] close(3 [pid 5172] close(9 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] <... close resumed>) = 0 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(19 [pid 5170] close(28 [pid 3504] <... openat resumed>) = 3 [pid 3502] unlink("./272/cgroup.cpu" [pid 5173] read(200, [pid 5172] close(10 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5173] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(20 [pid 5170] close(29 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5173] symlink("/dev/binderfs", "./binderfs" [pid 5172] close(11 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] <... symlink resumed>) = 0 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(21 [pid 5170] exit_group(0 [pid 5173] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5172] close(12 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] <... 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 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(22 [pid 5170] +++ exited with 0 +++ [pid 3504] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./272/cgroup", [pid 5173] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5172] close(13 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] <... mmap resumed>) = 0x20002000 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(23 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5173] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5172] close(14 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./277/binderfs", [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5173] <... mmap resumed>) = 0x20000000 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(24 [pid 3499] <... restart_syscall resumed>) = 0 [pid 5173] close(3 [pid 5172] close(15 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] unlink("./272/cgroup" [pid 5173] <... close resumed>) = 0 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(25 [pid 3504] unlink("./277/binderfs" [pid 3502] <... unlink resumed>) = 0 [pid 5173] close(4 [pid 5172] close(16 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3499] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(26 [pid 3504] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] close(5 [pid 5172] close(17 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 3499] <... openat resumed>) = 3 [pid 5173] close(6 [pid 5172] close(18 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(28 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5173] close(7 [pid 5172] close(19 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./277/cgroup.net", [pid 3502] <... close resumed>) = 0 [pid 3499] getdents64(3, [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] close(29 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5173] close(8 [pid 5172] close(20 [pid 5171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] rmdir("./272" [pid 3499] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] exit_group(0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] close(9 [pid 5172] close(21 [pid 5171] <... exit_group resumed>) = ? [pid 3504] unlink("./277/cgroup.net" [pid 3502] <... rmdir resumed>) = 0 [pid 3499] lstat("./259/binderfs", [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5173] close(10 [pid 5172] close(22 [pid 3504] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./273", 0777 [pid 3499] unlink("./259/binderfs" [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] <... unlink resumed>) = 0 [pid 5173] close(11 [pid 5172] close(23 [pid 3499] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./277/cgroup.cpu", [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] close(12 [pid 5172] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5174 attached [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./277/cgroup.cpu" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./259/cgroup.net", [pid 5174] set_robust_list(0x5555573195e0, 24 [pid 5173] close(13 [pid 5172] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 275 [pid 3501] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5174] chdir("./273" [pid 5173] close(14 [pid 5172] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3499] unlink("./259/cgroup.net" [pid 5174] <... chdir resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./277/cgroup", [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5173] close(15 [pid 5172] close(27 [pid 3501] getdents64(3, [pid 3499] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5174] <... prctl resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5174] setpgid(0, 0 [pid 5173] close(16 [pid 5172] close(28 [pid 3504] unlink("./277/cgroup" [pid 3501] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./259/cgroup.cpu", [pid 5174] <... setpgid resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5174] <... symlink resumed>) = 0 [pid 5173] close(17 [pid 3504] <... unlink resumed>) = 0 [pid 5174] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5172] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5174] <... symlink resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3499] unlink("./259/cgroup.cpu" [pid 5174] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5173] close(18 [pid 5172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./267/binderfs", [pid 5174] <... symlink resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] exit_group(0 [pid 3504] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5173] close(19 [pid 5172] <... exit_group resumed>) = ? [pid 3504] <... close resumed>) = 0 [pid 3501] unlink("./267/binderfs" [pid 3499] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5174] write(3, "1000", 4 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./277" [pid 5174] <... write resumed>) = 4 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5174] close(3 [pid 5173] close(20 [pid 5174] <... close resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./278", 0777 [pid 3501] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./259/cgroup", [pid 5174] read(200, 0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] close(21 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5174] symlink("/dev/binderfs", "./binderfs" [pid 3499] unlink("./259/cgroup" [pid 5174] <... symlink resumed>) = 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5172] +++ exited with 0 +++ [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] lstat("./267/cgroup.net", [pid 5174] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5173] close(22 [pid 3499] <... unlink resumed>) = 0 [pid 5174] <... 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 5174] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5175 attached [pid 5174] <... mmap resumed>) = 0x20002000 [pid 5173] close(23 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] unlink("./267/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5175] set_robust_list(0x5555573195e0, 24 [pid 5174] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 280 [pid 3503] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3499] close(3 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5174] <... mmap resumed>) = 0x20000000 [pid 5173] close(24 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 5175] chdir("./278" [pid 5174] close(3 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./259" [pid 5175] <... chdir resumed>) = 0 [pid 5174] <... close resumed>) = 0 [pid 5173] close(25 [pid 3503] <... openat resumed>) = 3 [pid 3501] lstat("./267/cgroup.cpu", [pid 3499] <... rmdir resumed>) = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5174] close(4 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] mkdir("./260", 0777 [pid 5175] <... prctl resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] close(26 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] unlink("./267/cgroup.cpu" [pid 3499] <... mkdir resumed>) = 0 [pid 5175] setpgid(0, 0 [pid 5174] close(5 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5175] <... setpgid resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] close(27 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5176 attached [pid 5175] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5174] close(6 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 262 [pid 5176] set_robust_list(0x5555573195e0, 24 [pid 5175] <... symlink resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] close(28 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./267/cgroup", [pid 5176] <... set_robust_list resumed>) = 0 [pid 5175] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5174] close(7 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./275/binderfs", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5176] chdir("./260" [pid 5175] <... symlink resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] close(29 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] unlink("./267/cgroup" [pid 5176] <... chdir resumed>) = 0 [pid 5175] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5174] close(8 [pid 5173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./275/binderfs" [pid 3501] <... unlink resumed>) = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... symlink resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 5176] <... prctl resumed>) = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] close(9 [pid 5173] <... exit_group resumed>) = ? [pid 3503] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5176] setpgid(0, 0 [pid 5175] <... openat resumed>) = 3 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 5175] write(3, "1000", 4 [pid 5174] close(10 [pid 3503] lstat("./275/cgroup.net", [pid 3501] <... close resumed>) = 0 [pid 5176] <... setpgid resumed>) = 0 [pid 5175] <... write resumed>) = 4 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] rmdir("./267" [pid 5176] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5175] close(3 [pid 5174] close(11 [pid 3503] unlink("./275/cgroup.net" [pid 3501] <... rmdir resumed>) = 0 [pid 5176] <... symlink resumed>) = 0 [pid 5175] <... close resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] mkdir("./268", 0777 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5175] read(200, [pid 5174] close(12 [pid 3503] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... mkdir resumed>) = 0 [pid 3500] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5175] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] 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 5177 attached [pid 5176] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5175] symlink("/dev/binderfs", "./binderfs" [pid 5174] close(13 [pid 3503] lstat("./275/cgroup.cpu", [pid 3500] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5177] set_robust_list(0x5555573195e0, 24 [pid 5176] <... symlink resumed>) = 0 [pid 5175] <... symlink resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 270 [pid 3500] <... openat resumed>) = 3 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5175] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5174] close(14 [pid 3503] unlink("./275/cgroup.cpu" [pid 3500] fstat(3, [pid 5177] chdir("./268" [pid 5176] <... symlink resumed>) = 0 [pid 5175] <... 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 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5177] <... chdir resumed>) = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5174] close(15 [pid 3503] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] <... openat resumed>) = 3 [pid 5175] <... mmap resumed>) = 0x20002000 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5177] <... prctl resumed>) = 0 [pid 5176] write(3, "1000", 4 [pid 5175] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5174] close(16 [pid 3503] lstat("./275/cgroup", [pid 3500] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] setpgid(0, 0 [pid 5176] <... write resumed>) = 4 [pid 5175] <... mmap resumed>) = 0x20000000 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] <... setpgid resumed>) = 0 [pid 5175] close(3 [pid 5174] close(17 [pid 3503] unlink("./275/cgroup" [pid 3500] lstat("./265/binderfs", [pid 5177] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5176] close(3 [pid 5175] <... close resumed>) = 0 [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5177] <... symlink resumed>) = 0 [pid 5176] <... close resumed>) = 0 [pid 5175] close(4 [pid 5174] close(18 [pid 3503] getdents64(3, [pid 3500] unlink("./265/binderfs" [pid 5177] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5176] read(200, [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5177] <... symlink resumed>) = 0 [pid 5176] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5175] close(5 [pid 5174] close(19 [pid 3503] close(3 [pid 3500] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5176] symlink("/dev/binderfs", "./binderfs" [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] <... symlink resumed>) = 0 [pid 5176] <... symlink resumed>) = 0 [pid 5175] close(6 [pid 5174] close(20 [pid 3503] rmdir("./275" [pid 3500] lstat("./265/cgroup.net", [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... 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 5177] <... openat resumed>) = 3 [pid 5176] <... 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 5175] close(7 [pid 5174] close(21 [pid 3503] mkdir("./276", 0777 [pid 3500] unlink("./265/cgroup.net" [pid 5177] write(3, "1000", 4 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5177] <... write resumed>) = 4 [pid 5175] close(8 [pid 5174] close(22 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] close(3 [pid 5176] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5178 attached [pid 5177] <... close resumed>) = 0 [pid 5176] <... mmap resumed>) = 0x20002000 [pid 5175] close(9 [pid 5174] close(23 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5178] set_robust_list(0x5555573195e0, 24 [pid 5177] read(200, [pid 5176] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 278 [pid 3500] lstat("./265/cgroup.cpu", [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... mmap resumed>) = 0x20000000 [pid 5175] close(10 [pid 5174] close(24 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5178] chdir("./276" [pid 5177] symlink("/dev/binderfs", "./binderfs" [pid 5176] close(3 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./265/cgroup.cpu" [pid 5178] <... chdir resumed>) = 0 [pid 5177] <... symlink resumed>) = 0 [pid 5176] <... close resumed>) = 0 [pid 5175] close(11 [pid 5174] close(25 [pid 3500] <... unlink resumed>) = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5176] close(4 [pid 5178] <... prctl resumed>) = 0 [pid 5177] <... 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 5175] close(12 [pid 5174] close(26 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5178] setpgid(0, 0 [pid 5177] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5176] close(5 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./265/cgroup", [pid 5178] <... setpgid resumed>) = 0 [pid 5177] <... mmap resumed>) = 0x20002000 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(13 [pid 5174] close(27 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5178] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5177] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5176] close(6 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./265/cgroup" [pid 5178] <... symlink resumed>) = 0 [pid 5177] <... mmap resumed>) = 0x20000000 [pid 5175] close(14 [pid 5174] close(28 [pid 3500] <... unlink resumed>) = 0 [pid 5178] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5177] close(3 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5178] <... symlink resumed>) = 0 [pid 5177] <... close resumed>) = 0 [pid 5175] close(15 [pid 5174] close(29 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5178] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5177] close(4 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 5178] <... symlink resumed>) = 0 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(16 [pid 5174] exit_group(0 [pid 3500] <... close resumed>) = 0 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] close(5 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... exit_group resumed>) = ? [pid 3500] rmdir("./265" [pid 5178] <... openat resumed>) = 3 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(17 [pid 5174] +++ exited with 0 +++ [pid 3500] <... rmdir resumed>) = 0 [pid 5178] write(3, "1000", 4 [pid 5177] close(6 [pid 5176] close(7 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./266", 0777 [pid 5178] <... write resumed>) = 4 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(18 [pid 5178] close(3 [pid 5177] close(7 [pid 5176] close(8 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] <... mkdir resumed>) = 0 [pid 5178] <... close resumed>) = 0 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(19 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] read(200, [pid 5177] close(8 [pid 5176] close(9 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5179 attached [pid 5178] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] symlink("/dev/binderfs", "./binderfs" [pid 5177] close(9 [pid 5176] close(10 [pid 5175] close(20 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 268 [pid 5178] <... symlink resumed>) = 0 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] set_robust_list(0x5555573195e0, 24 [pid 5178] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5177] close(10 [pid 5176] close(11 [pid 5178] <... 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 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(21 [pid 3502] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] <... set_robust_list resumed>) = 0 [pid 5178] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5177] close(11 [pid 5176] close(12 [pid 5178] <... mmap resumed>) = 0x20002000 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] chdir("./266" [pid 5178] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5177] close(12 [pid 5176] close(13 [pid 5175] close(22 [pid 5179] <... chdir resumed>) = 0 [pid 5178] <... mmap resumed>) = 0x20000000 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] close(3 [pid 5177] close(13 [pid 5176] close(14 [pid 5178] <... close resumed>) = 0 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(23 [pid 3502] <... openat resumed>) = 3 [pid 5179] <... prctl resumed>) = 0 [pid 5178] close(4 [pid 5177] close(14 [pid 5176] close(15 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5179] setpgid(0, 0 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(16 [pid 5175] close(24 [pid 5177] close(15 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5178] close(5 [pid 5179] <... setpgid resumed>) = 0 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(17 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(16 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5179] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(18 [pid 5175] close(25 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5176] close(19 [pid 5179] <... symlink resumed>) = 0 [pid 5178] close(6 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(17 [pid 5176] close(20 [pid 3502] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(26 [pid 5178] close(7 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(21 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... symlink resumed>) = 0 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(18 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] close(27 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(22 [pid 5178] close(8 [pid 3502] lstat("./273/binderfs", [pid 5179] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5177] close(19 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(23 [pid 5175] close(28 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5179] <... symlink resumed>) = 0 [pid 5178] close(9 [pid 5177] close(20 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(24) = -1 EBADF (Bad file descriptor) [pid 5176] close(25) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./273/binderfs" [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(26 [pid 5175] close(29 [pid 3502] <... unlink resumed>) = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] close(10 [pid 5177] close(21 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(27 [pid 5175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] <... openat resumed>) = 3 [pid 5177] close(22 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(11 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(28 [pid 5175] exit_group(0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] write(3, "1000", 4 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(23 [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] close(29 [pid 5175] <... exit_group resumed>) = ? [pid 5178] close(12 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./273/cgroup.net", [pid 5176] exit_group(0) = ? [pid 5179] <... write resumed>) = 4 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(24 [pid 5176] +++ exited with 0 +++ [pid 5175] +++ exited with 0 +++ [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3504] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3504] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] getdents64(3, 0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5179] close(3 [pid 3504] unlink("./278/binderfs" [pid 5179] <... close resumed>) = 0 [pid 5178] close(13 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./273/cgroup.net" [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5179] read(200, [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(25 [pid 3502] <... unlink resumed>) = 0 [pid 5179] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] close(14 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] symlink("/dev/binderfs", "./binderfs" [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... symlink resumed>) = 0 [pid 5178] close(15 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./273/cgroup.cpu", [pid 5179] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] close(27 [pid 3504] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] <... 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 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5178] close(16 [pid 5177] close(28 [pid 3504] lstat("./278/cgroup.net", [pid 5179] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./273/cgroup.cpu" [pid 3499] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] close(29 [pid 3504] unlink("./278/cgroup.net" [pid 5179] <... mmap resumed>) = 0x20002000 [pid 5178] close(17 [pid 5177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] exit_group(0 [pid 3504] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5179] <... mmap resumed>) = 0x20000000 [pid 5178] close(18 [pid 5177] <... exit_group resumed>) = ? [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 5179] close(3 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./273/cgroup", [pid 3499] fstat(3, [pid 5179] <... close resumed>) = 0 [pid 5178] close(19 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5179] close(4 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./278/cgroup.cpu", [pid 3502] unlink("./273/cgroup" [pid 3499] getdents64(3, [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(20 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5179] close(5 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5177] +++ exited with 0 +++ [pid 3504] unlink("./278/cgroup.cpu" [pid 3502] getdents64(3, [pid 3499] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] close(6 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 3499] lstat("./260/binderfs", [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(22 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5179] close(7 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./278/cgroup", [pid 3502] rmdir("./273" [pid 3501] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./260/binderfs" [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(23 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5179] close(8 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./274", 0777 [pid 3501] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(24 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] close(9 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] fstat(3, [pid 3499] lstat("./260/cgroup.net", [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5179] close(10 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./278/cgroup" [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 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] unlink("./260/cgroup.net"./strace-static-x86_64: Process 5180 attached [pid 5179] close(11 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, 0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3504] close(3 [pid 5180] set_robust_list(0x5555573195e0, 24 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(27 [pid 3504] <... close resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 276 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... unlink resumed>) = 0 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5179] close(12 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./278" [pid 3501] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5180] chdir("./274" [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(28 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... chdir resumed>) = 0 [pid 5179] close(13 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./268/binderfs", [pid 3499] lstat("./260/cgroup.cpu", [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] close(29 [pid 3504] mkdir("./279", 0777 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5180] <... prctl resumed>) = 0 [pid 5179] close(14 [pid 5178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./268/binderfs" [pid 3499] unlink("./260/cgroup.cpu" [pid 5180] setpgid(0, 0 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] exit_group(0 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5180] <... setpgid resumed>) = 0 [pid 5179] close(15 [pid 5178] <... exit_group resumed>) = ? [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5181 attached [pid 5180] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5178] +++ exited with 0 +++ [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5181] set_robust_list(0x5555573195e0, 24 [pid 5180] <... symlink resumed>) = 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 281 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5179] close(16 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] lstat("./268/cgroup.net", [pid 3499] lstat("./260/cgroup", [pid 5181] chdir("./279" [pid 5180] <... symlink resumed>) = 0 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5181] <... chdir resumed>) = 0 [pid 5180] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5179] close(17 [pid 3501] unlink("./268/cgroup.net" [pid 3499] unlink("./260/cgroup" [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] <... symlink resumed>) = 0 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5181] <... prctl resumed>) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] close(18 [pid 3501] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5181] setpgid(0, 0 [pid 5180] <... openat resumed>) = 3 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5181] <... setpgid resumed>) = 0 [pid 5180] write(3, "1000", 4 [pid 5179] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./268/cgroup.cpu", [pid 3499] close(3 [pid 5181] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5180] <... write resumed>) = 4 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... close resumed>) = 0 [pid 5181] <... symlink resumed>) = 0 [pid 5180] close(3 [pid 5179] close(20 [pid 3503] <... openat resumed>) = 3 [pid 3501] unlink("./268/cgroup.cpu" [pid 3499] rmdir("./260" [pid 5181] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5180] <... close resumed>) = 0 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5181] <... symlink resumed>) = 0 [pid 5180] read(200, [pid 5179] close(21 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] mkdir("./261", 0777 [pid 5181] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5180] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... mkdir resumed>) = 0 [pid 5181] <... symlink resumed>) = 0 [pid 5180] symlink("/dev/binderfs", "./binderfs" [pid 5179] close(22 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./268/cgroup", [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] <... symlink resumed>) = 0 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5182 attached [pid 5181] <... openat resumed>) = 3 [pid 5180] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5179] close(23 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./268/cgroup" [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 263 [pid 5182] set_robust_list(0x5555573195e0, 24 [pid 5181] write(3, "1000", 4 [pid 5180] <... 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 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] <... write resumed>) = 4 [pid 5180] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] lstat("./276/binderfs", [pid 5182] chdir("./261" [pid 5181] close(3 [pid 5179] close(24 [pid 3501] <... unlink resumed>) = 0 [pid 5182] <... chdir resumed>) = 0 [pid 5181] <... close resumed>) = 0 [pid 5180] <... mmap resumed>) = 0x20002000 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] getdents64(3, [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5181] read(200, [pid 5182] <... prctl resumed>) = 0 [pid 5181] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5179] close(25 [pid 3503] unlink("./276/binderfs" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5182] setpgid(0, 0 [pid 5181] symlink("/dev/binderfs", "./binderfs" [pid 5180] <... mmap resumed>) = 0x20000000 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 5182] <... setpgid resumed>) = 0 [pid 5181] <... symlink resumed>) = 0 [pid 5180] close(3 [pid 5179] close(26 [pid 3503] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 5182] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5181] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5180] <... close resumed>) = 0 [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] rmdir("./268" [pid 5182] <... symlink resumed>) = 0 [pid 5181] <... 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 5180] close(4 [pid 5179] close(27 [pid 3503] lstat("./276/cgroup.net", [pid 3501] <... rmdir resumed>) = 0 [pid 5182] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5181] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3501] mkdir("./269", 0777 [pid 5182] <... symlink resumed>) = 0 [pid 5180] close(5 [pid 5179] close(28 [pid 3503] unlink("./276/cgroup.net" [pid 3501] <... mkdir resumed>) = 0 [pid 5181] <... mmap resumed>) = 0x20002000 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5183 attached [pid 5182] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5181] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5180] close(6 [pid 5179] close(29 [pid 3503] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5183] set_robust_list(0x5555573195e0, 24 [pid 5182] <... symlink resumed>) = 0 [pid 5181] <... mmap resumed>) = 0x20000000 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 271 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5180] close(7 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] exit_group(0 [pid 3503] lstat("./276/cgroup.cpu", [pid 5181] close(3 [pid 5183] chdir("./269" [pid 5182] <... openat resumed>) = 3 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5179] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5183] <... chdir resumed>) = 0 [pid 5182] write(3, "1000", 4 [pid 5181] <... close resumed>) = 0 [pid 5180] close(8 [pid 5179] +++ exited with 0 +++ [pid 3503] unlink("./276/cgroup.cpu" [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] <... write resumed>) = 4 [pid 5181] close(4 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5183] <... prctl resumed>) = 0 [pid 5182] close(3 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(9 [pid 3503] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5183] setpgid(0, 0 [pid 5182] <... close resumed>) = 0 [pid 5181] close(5 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5183] <... setpgid resumed>) = 0 [pid 5182] read(200, [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(10 [pid 3503] lstat("./276/cgroup", [pid 5183] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5182] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] close(6 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5183] <... symlink resumed>) = 0 [pid 5182] symlink("/dev/binderfs", "./binderfs" [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(11 [pid 3503] unlink("./276/cgroup" [pid 5183] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5182] <... symlink resumed>) = 0 [pid 5181] close(7 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5183] <... symlink resumed>) = 0 [pid 5182] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(12 [pid 3503] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5183] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5182] <... 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 5181] close(8 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5183] <... symlink resumed>) = 0 [pid 5180] close(13 [pid 3503] close(3 [pid 3500] <... openat resumed>) = 3 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3500] fstat(3, [pid 5183] <... openat resumed>) = 3 [pid 5180] close(14 [pid 3503] rmdir("./276" [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5183] write(3, "1000", 4 [pid 5182] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3500] getdents64(3, [pid 5183] <... write resumed>) = 4 [pid 5182] <... mmap resumed>) = 0x20002000 [pid 5181] close(9 [pid 5180] close(15 [pid 3503] mkdir("./277", 0777 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5183] close(3 [pid 5182] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3500] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5183] <... close resumed>) = 0 [pid 5182] <... mmap resumed>) = 0x20000000 [pid 5181] close(10 [pid 5180] close(16 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5183] read(200, [pid 5182] close(3 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... close resumed>) = 0 [pid 5181] close(11 [pid 5182] close(4 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(12 [pid 5180] close(17 [pid 5183] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] lstat("./266/binderfs", [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 279 ./strace-static-x86_64: Process 5184 attached [pid 5182] close(5 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] symlink("/dev/binderfs", "./binderfs" [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(13 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5184] set_robust_list(0x5555573195e0, 24 [pid 5183] <... symlink resumed>) = 0 [pid 5182] close(6 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(18 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(14 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./266/binderfs" [pid 5184] chdir("./277" [pid 5183] <... 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 5182] close(7 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(19 [pid 5184] <... chdir resumed>) = 0 [pid 5183] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(15 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5183] <... mmap resumed>) = 0x20002000 [pid 5182] close(8 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(20 [pid 5184] <... prctl resumed>) = 0 [pid 5183] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(16 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] setpgid(0, 0 [pid 5183] <... mmap resumed>) = 0x20000000 [pid 5182] close(9 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(21 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... setpgid resumed>) = 0 [pid 5183] close(3 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(17 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./266/cgroup.net", [pid 5184] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5183] <... close resumed>) = 0 [pid 5180] close(22 [pid 5184] <... symlink resumed>) = 0 [pid 5183] close(4 [pid 5182] close(10 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5184] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(18 [pid 5180] close(23 [pid 3500] unlink("./266/cgroup.net" [pid 5184] <... symlink resumed>) = 0 [pid 5183] close(5 [pid 5182] close(11 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5184] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(19 [pid 5180] close(24 [pid 3500] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] <... symlink resumed>) = 0 [pid 5183] close(6 [pid 5182] close(12 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] close(25 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... openat resumed>) = 3 [pid 5183] close(7 [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] write(3, "1000", 4 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(20 [pid 5180] close(26 [pid 3500] lstat("./266/cgroup.cpu", [pid 5184] <... write resumed>) = 4 [pid 5183] close(8 [pid 5182] close(13 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] close(3 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(21 [pid 5180] close(27 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5184] <... close resumed>) = 0 [pid 5183] close(9 [pid 5182] close(14 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./266/cgroup.cpu" [pid 5184] read(200, [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(22 [pid 5180] close(28 [pid 5184] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] close(10 [pid 5182] close(15 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5184] symlink("/dev/binderfs", "./binderfs" [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(23 [pid 5180] close(29 [pid 5184] <... symlink resumed>) = 0 [pid 5183] close(11 [pid 5182] close(16 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] close(24 [pid 5180] exit_group(0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... 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 5183] close(12 [pid 5180] <... exit_group resumed>) = ? [pid 5182] close(17 [pid 3500] lstat("./266/cgroup", [pid 5184] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5184] <... mmap resumed>) = 0x20002000 [pid 5183] close(13 [pid 5182] close(18 [pid 5181] close(25 [pid 3500] unlink("./266/cgroup" [pid 5184] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5180] +++ exited with 0 +++ [pid 3500] <... unlink resumed>) = 0 [pid 5184] <... mmap resumed>) = 0x20000000 [pid 5183] close(14 [pid 5182] close(19 [pid 5181] close(26 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5184] close(3 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5184] <... close resumed>) = 0 [pid 5183] close(15 [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] close(4 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(20 [pid 5181] close(27 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(16 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5184] close(5 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(21 [pid 3502] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] close(3 [pid 5181] close(28 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(17 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... close resumed>) = 0 [pid 5184] close(6 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(18 [pid 3502] <... openat resumed>) = 3 [pid 5184] close(7 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(19 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5184] close(8 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(20 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5184] close(9 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(21 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] close(10 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(22 [pid 5181] close(29 [pid 3502] lstat("./274/binderfs", [pid 3500] rmdir("./266" [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(22 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5184] close(11 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(23 [pid 5181] exit_group(0 [pid 3502] unlink("./274/binderfs" [pid 3500] <... rmdir resumed>) = 0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(23 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5181] <... exit_group resumed>) = ? [pid 3502] <... unlink resumed>) = 0 [pid 5184] close(12 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] close(13 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./274/cgroup.net", [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(25 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5184] close(14 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(24 [pid 5181] +++ exited with 0 +++ [pid 3502] unlink("./274/cgroup.net" [pid 3500] mkdir("./267", 0777 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(26 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] <... unlink resumed>) = 0 [pid 5184] close(15 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(25 [pid 3502] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... mkdir resumed>) = 0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(27 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] close(16 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(26 [pid 3504] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./274/cgroup.cpu", [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(28 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5185 attached [pid 5184] close(17 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(27 [pid 3504] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] unlink("./274/cgroup.cpu" [pid 5185] set_robust_list(0x5555573195e0, 24 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] close(29 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 269 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5184] close(18 [pid 5183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] close(28 [pid 3504] fstat(3, [pid 3502] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] chdir("./267" [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5183] exit_group(0 [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5185] <... chdir resumed>) = 0 [pid 5184] close(19 [pid 5183] <... exit_group resumed>) = ? [pid 5182] close(29 [pid 3504] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5185] <... prctl resumed>) = 0 [pid 3504] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] setpgid(0, 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] <... setpgid resumed>) = 0 [pid 5183] +++ exited with 0 +++ [pid 5182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./279/binderfs", [pid 5185] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5184] close(20 [pid 5182] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] lstat("./274/cgroup", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5185] <... symlink resumed>) = 0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5182] <... exit_group resumed>) = ? [pid 3504] unlink("./279/binderfs" [pid 5185] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5184] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5185] <... symlink resumed>) = 0 [pid 3504] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./274/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] <... symlink resumed>) = 0 [pid 5184] close(22 [pid 5182] +++ exited with 0 +++ [pid 3504] lstat("./279/cgroup.net", [pid 3501] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... unlink resumed>) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5185] <... openat resumed>) = 3 [pid 3504] unlink("./279/cgroup.net" [pid 3502] getdents64(3, [pid 5184] close(23 [pid 3501] fstat(3, [pid 5185] write(3, "1000", 4 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5185] <... write resumed>) = 4 [pid 3504] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 5185] close(3 [pid 5184] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5185] <... close resumed>) = 0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./279/cgroup.cpu", [pid 3502] <... close resumed>) = 0 [pid 3501] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] read(200, [pid 5184] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./274" [pid 3499] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] unlink("./279/cgroup.cpu" [pid 3501] lstat("./269/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] symlink("/dev/binderfs", "./binderfs" [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5185] <... symlink resumed>) = 0 [pid 5184] close(26 [pid 3504] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./275", 0777 [pid 3501] unlink("./269/binderfs" [pid 5185] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5185] <... 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 5184] close(27 [pid 3504] lstat("./279/cgroup", [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... unlink resumed>) = 0 [pid 5185] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] fstat(3, ./strace-static-x86_64: Process 5186 attached [pid 5185] <... mmap resumed>) = 0x20002000 [pid 5184] close(28 [pid 3504] unlink("./279/cgroup" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 277 [pid 3501] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5186] set_robust_list(0x5555573195e0, 24 [pid 5185] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5184] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] <... mmap resumed>) = 0x20000000 [pid 5184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3499] getdents64(3, [pid 5186] chdir("./275" [pid 5185] close(3 [pid 5184] exit_group(0 [pid 3501] lstat("./269/cgroup.net", [pid 5184] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5186] <... chdir resumed>) = 0 [pid 5185] <... close resumed>) = 0 [pid 5184] +++ exited with 0 +++ [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] close(4 [pid 3504] close(3 [pid 3499] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5186] <... prctl resumed>) = 0 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] unlink("./269/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5186] setpgid(0, 0 [pid 5185] close(5 [pid 3504] rmdir("./279" [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./261/binderfs", [pid 5186] <... setpgid resumed>) = 0 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3501] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5186] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5185] close(6 [pid 3504] mkdir("./280", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./261/binderfs" [pid 5186] <... symlink resumed>) = 0 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] lstat("./269/cgroup.cpu", [pid 3499] <... unlink resumed>) = 0 [pid 5186] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5185] close(7 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5186] <... symlink resumed>) = 0 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] close(8 [pid 3503] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5186] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3501] unlink("./269/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5187 attached [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 5187] set_robust_list(0x5555573195e0, 24 [pid 5186] <... symlink resumed>) = 0 [pid 5185] close(9 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 282 [pid 3503] fstat(3, [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./261/cgroup.net", [pid 5187] <... set_robust_list resumed>) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5187] chdir("./280" [pid 5186] <... openat resumed>) = 3 [pid 5185] close(10 [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./261/cgroup.net" [pid 5187] <... chdir resumed>) = 0 [pid 5186] write(3, "1000", 4 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./269/cgroup", [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] <... write resumed>) = 4 [pid 5185] close(11 [pid 3503] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5187] <... prctl resumed>) = 0 [pid 5186] close(3 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./269/cgroup" [pid 3499] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5187] setpgid(0, 0 [pid 5186] <... close resumed>) = 0 [pid 5185] close(12 [pid 3503] lstat("./277/binderfs", [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5187] <... setpgid resumed>) = 0 [pid 5186] read(200, [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] getdents64(3, [pid 3499] lstat("./261/cgroup.cpu", [pid 5187] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5186] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] close(13 [pid 3503] unlink("./277/binderfs" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5187] <... symlink resumed>) = 0 [pid 5186] symlink("/dev/binderfs", "./binderfs" [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5187] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5186] <... symlink resumed>) = 0 [pid 5185] close(14 [pid 3503] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... close resumed>) = 0 [pid 3499] unlink("./261/cgroup.cpu" [pid 5187] <... symlink resumed>) = 0 [pid 5186] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] close(15 [pid 3503] lstat("./277/cgroup.net", [pid 3501] rmdir("./269" [pid 3499] <... unlink resumed>) = 0 [pid 5187] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5186] <... 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 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./277/cgroup.net" [pid 5187] <... symlink resumed>) = 0 [pid 5186] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5185] close(16 [pid 3503] <... unlink resumed>) = 0 [pid 3501] mkdir("./270", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] <... mmap resumed>) = 0x20002000 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5186] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5185] close(17 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 3499] lstat("./261/cgroup", [pid 5187] <... openat resumed>) = 3 [pid 5186] <... mmap resumed>) = 0x20000000 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./277/cgroup.cpu", [pid 5187] write(3, "1000", 4 [pid 5186] close(3 [pid 5185] close(18 [pid 3503] <... 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 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5187] <... write resumed>) = 4 [pid 5186] <... close resumed>) = 0 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./277/cgroup.cpu") = 0 [pid 3503] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5188 attached [pid 5187] close(3 [pid 5186] close(4 [pid 5185] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./261/cgroup" [pid 5188] set_robust_list(0x5555573195e0, 24 [pid 5187] <... close resumed>) = 0 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./277/cgroup", [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] read(200, [pid 5186] close(5 [pid 5185] close(20 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 272 [pid 3499] <... unlink resumed>) = 0 [pid 5188] chdir("./270" [pid 5187] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./277/cgroup" [pid 3499] getdents64(3, [pid 5188] <... chdir resumed>) = 0 [pid 5187] symlink("/dev/binderfs", "./binderfs" [pid 5186] close(6 [pid 5185] close(21 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... symlink resumed>) = 0 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3499] close(3 [pid 5188] <... prctl resumed>) = 0 [pid 5187] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5186] close(7 [pid 5185] close(22 [pid 3499] <... close resumed>) = 0 [pid 5188] setpgid(0, 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5188] <... setpgid resumed>) = 0 [pid 5187] <... 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 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3499] rmdir("./261" [pid 5188] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5187] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5186] close(8 [pid 5185] close(23 [pid 3503] <... close resumed>) = 0 [pid 5188] <... symlink resumed>) = 0 [pid 5187] <... mmap resumed>) = 0x20002000 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... rmdir resumed>) = 0 [pid 5188] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5187] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5186] close(9 [pid 5185] close(24 [pid 3503] rmdir("./277" [pid 3499] mkdir("./262", 0777 [pid 5188] <... symlink resumed>) = 0 [pid 5187] <... mmap resumed>) = 0x20000000 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 5188] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5187] close(3 [pid 5186] close(10 [pid 5185] close(25 [pid 3503] mkdir("./278", 0777 [pid 3499] <... mkdir resumed>) = 0 [pid 5188] <... symlink resumed>) = 0 [pid 5187] <... close resumed>) = 0 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] close(4 [pid 5186] close(11 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] close(26./strace-static-x86_64: Process 5190 attached ./strace-static-x86_64: Process 5189 attached [pid 5188] <... openat resumed>) = 3 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] set_robust_list(0x5555573195e0, 24 [pid 5189] set_robust_list(0x5555573195e0, 24 [pid 5188] write(3, "1000", 4 [pid 5187] close(5 [pid 5186] close(12 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 280 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 264 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] <... write resumed>) = 4 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] close(27 [pid 5190] chdir("./278" [pid 5189] chdir("./262" [pid 5188] close(3 [pid 5187] close(6 [pid 5186] close(13 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] <... chdir resumed>) = 0 [pid 5189] <... chdir resumed>) = 0 [pid 5188] <... close resumed>) = 0 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] close(28 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] read(200, [pid 5187] close(7 [pid 5186] close(14 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] <... prctl resumed>) = 0 [pid 5189] <... prctl resumed>) = 0 [pid 5188] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] close(29 [pid 5190] setpgid(0, 0 [pid 5189] setpgid(0, 0 [pid 5188] symlink("/dev/binderfs", "./binderfs" [pid 5187] close(8 [pid 5186] close(15 [pid 5185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] <... setpgid resumed>) = 0 [pid 5189] <... setpgid resumed>) = 0 [pid 5188] <... symlink resumed>) = 0 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] exit_group(0 [pid 5189] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5188] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5189] <... symlink resumed>) = 0 [pid 5188] <... 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 5189] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5188] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5190] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5189] <... symlink resumed>) = 0 [pid 5188] <... mmap resumed>) = 0x20002000 [pid 5187] close(9 [pid 5186] close(16 [pid 5185] <... exit_group resumed>) = ? [pid 5190] <... symlink resumed>) = 0 [pid 5189] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5188] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5189] <... symlink resumed>) = 0 [pid 5188] <... mmap resumed>) = 0x20000000 [pid 5187] close(10 [pid 5186] close(17 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] close(3 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... openat resumed>) = 3 [pid 5188] <... close resumed>) = 0 [pid 5187] close(11 [pid 5190] <... symlink resumed>) = 0 [pid 5189] write(3, "1000", 4 [pid 5188] close(4 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5185] +++ exited with 0 +++ [pid 5189] <... write resumed>) = 4 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(12 [pid 5190] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5189] close(3 [pid 5188] close(5 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] close(18 [pid 5190] <... symlink resumed>) = 0 [pid 5189] <... close resumed>) = 0 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(13 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] read(200, [pid 5188] close(6 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5190] <... openat resumed>) = 3 [pid 5189] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(14 [pid 5186] close(19 [pid 5189] symlink("/dev/binderfs", "./binderfs" [pid 5188] close(7 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] write(3, "1000", 4 [pid 5189] <... symlink resumed>) = 0 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(15 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] <... write resumed>) = 4 [pid 5189] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5188] close(8 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] close(20 [pid 5190] close(3 [pid 5189] <... 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 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(16 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] <... close resumed>) = 0 [pid 5189] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5188] close(9 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] close(21 [pid 3500] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5190] read(200, [pid 5189] <... mmap resumed>) = 0x20002000 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(17 [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5190] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5188] close(10 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] close(22 [pid 5190] symlink("/dev/binderfs", "./binderfs" [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5190] <... symlink resumed>) = 0 [pid 5189] <... mmap resumed>) = 0x20000000 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(18 [pid 5186] close(23 [pid 3500] <... openat resumed>) = 3 [pid 5190] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5189] close(3 [pid 5188] close(11 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5190] <... 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 5189] <... close resumed>) = 0 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(19 [pid 5186] close(24 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5190] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5189] close(4 [pid 5188] close(12 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5190] <... mmap resumed>) = 0x20002000 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(20 [pid 5186] close(25 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5190] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5189] close(5 [pid 5188] close(13 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5190] <... mmap resumed>) = 0x20000000 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(21 [pid 5186] close(26 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5190] close(3 [pid 5189] close(6 [pid 5188] close(14 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./267/binderfs", [pid 5190] <... close resumed>) = 0 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(22 [pid 5186] close(27 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5190] close(4 [pid 5189] close(7 [pid 5188] close(15 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./267/binderfs" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(23 [pid 5186] close(28 [pid 3500] <... unlink resumed>) = 0 [pid 5190] close(5 [pid 5189] close(8 [pid 5188] close(16 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(24 [pid 5186] close(29 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5190] close(6 [pid 5189] close(9 [pid 5188] close(17 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./267/cgroup.net", [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(25 [pid 5186] exit_group(0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5190] close(7 [pid 5189] close(10 [pid 5188] close(18 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] <... exit_group resumed>) = ? [pid 3500] unlink("./267/cgroup.net" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(26 [pid 5190] close(8 [pid 5189] close(11 [pid 5188] close(19 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(27 [pid 5186] +++ exited with 0 +++ [pid 5190] close(9 [pid 5189] close(12 [pid 3500] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(20 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5190] close(10 [pid 3500] lstat("./267/cgroup.cpu", [pid 5189] close(13 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] close(28 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5190] close(11 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(21 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./267/cgroup.cpu" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] close(14 [pid 5187] close(29 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5190] close(12 [pid 3500] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(22 [pid 5187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5190] close(13 [pid 5189] close(15 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] exit_group(0 [pid 3500] lstat("./267/cgroup", [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(23 [pid 5187] <... exit_group resumed>) = ? [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5190] close(14 [pid 5189] close(16 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./267/cgroup" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5190] close(15 [pid 3500] getdents64(3, [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5190] close(16 [pid 3500] close(3 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] +++ exited with 0 +++ [pid 3500] <... close resumed>) = 0 [pid 3502] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5190] close(17 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./267" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 5190] close(18 [pid 5189] close(17 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] mkdir("./268", 0777 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(25 [pid 3500] <... mkdir resumed>) = 0 [pid 5190] close(19 [pid 3502] <... openat resumed>) = 3 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5192 attached [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] close(18 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5190] close(20 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 270 [pid 5192] set_robust_list(0x5555573195e0, 24 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(26 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5190] close(21 [pid 5189] close(19 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 5192] chdir("./268" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5192] <... chdir resumed>) = 0 [pid 5190] close(22 [pid 5189] close(20 [pid 3504] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(28 [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5192] <... prctl resumed>) = 0 [pid 5190] close(23 [pid 5189] close(21 [pid 3504] fstat(3, [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] setpgid(0, 0 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] close(29 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5192] <... setpgid resumed>) = 0 [pid 5190] close(24 [pid 5189] close(22 [pid 5188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] lstat("./275/binderfs", [pid 5192] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5192] <... symlink resumed>) = 0 [pid 5189] close(23 [pid 5188] <... exit_group resumed>) = ? [pid 3504] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./275/binderfs" [pid 5192] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5190] close(25 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5192] <... symlink resumed>) = 0 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] close(24 [pid 3504] lstat("./280/binderfs", [pid 3502] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5192] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5190] close(26 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5192] <... symlink resumed>) = 0 [pid 5189] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] lstat("./275/cgroup.net", [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./280/binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5192] <... openat resumed>) = 3 [pid 5190] close(27 [pid 5189] close(26 [pid 3502] unlink("./275/cgroup.net" [pid 5192] write(3, "1000", 4 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5192] <... write resumed>) = 4 [pid 5190] close(28 [pid 5189] close(27 [pid 3502] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5192] close(3 [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5192] <... close resumed>) = 0 [pid 5190] close(29 [pid 5189] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./275/cgroup.cpu", [pid 5192] read(200, [pid 5190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./280/cgroup.net", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5192] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] close(29 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./275/cgroup.cpu" [pid 5192] symlink("/dev/binderfs", "./binderfs" [pid 5190] exit_group(0 [pid 5189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./280/cgroup.net" [pid 3502] <... unlink resumed>) = 0 [pid 5192] <... symlink resumed>) = 0 [pid 5189] exit_group(0 [pid 3502] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5192] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5190] <... exit_group resumed>) = ? [pid 5189] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5192] <... 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 5189] +++ exited with 0 +++ [pid 3504] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./275/cgroup", [pid 5192] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5192] <... mmap resumed>) = 0x20002000 [pid 3504] lstat("./280/cgroup.cpu", [pid 3502] unlink("./275/cgroup" [pid 3501] <... openat resumed>) = 3 [pid 5192] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5192] <... mmap resumed>) = 0x20000000 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] fstat(3, [pid 5192] close(3 [pid 3504] unlink("./280/cgroup.cpu" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5192] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3502] close(3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5192] close(4 [pid 5190] +++ exited with 0 +++ [pid 3502] <... close resumed>) = 0 [pid 3499] <... restart_syscall resumed>) = 0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] rmdir("./275" [pid 3501] getdents64(3, [pid 5192] close(5 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./280/cgroup", [pid 3502] mkdir("./276", 0777 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5192] close(6 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... mkdir resumed>) = 0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./280/cgroup" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5193 attached [pid 5192] close(7 [pid 3504] <... unlink resumed>) = 0 [pid 3503] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] set_robust_list(0x5555573195e0, 24 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... openat resumed>) = 3 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 278 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] close(8 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] fstat(3, [pid 3501] lstat("./270/binderfs", [pid 3499] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5193] chdir("./276" [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] <... 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 5193] <... chdir resumed>) = 0 [pid 5192] close(9 [pid 3504] <... close resumed>) = 0 [pid 3503] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./280" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./270/binderfs" [pid 5193] <... prctl resumed>) = 0 [pid 5192] close(10 [pid 3503] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 5193] setpgid(0, 0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5193] <... setpgid resumed>) = 0 [pid 5192] close(11 [pid 3504] mkdir("./281", 0777 [pid 3503] lstat("./278/binderfs", [pid 3501] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5193] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] <... symlink resumed>) = 0 [pid 5192] close(12 [pid 3503] unlink("./278/binderfs" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5193] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./270/cgroup.net", ./strace-static-x86_64: Process 5194 attached [pid 5193] <... symlink resumed>) = 0 [pid 5192] close(13 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] set_robust_list(0x5555573195e0, 24 [pid 5193] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 283 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./270/cgroup.net" [pid 5194] <... set_robust_list resumed>) = 0 [pid 5193] <... symlink resumed>) = 0 [pid 5192] close(14 [pid 3503] lstat("./278/cgroup.net", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5194] chdir("./281" [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5194] <... chdir resumed>) = 0 [pid 5193] <... openat resumed>) = 3 [pid 5192] close(15 [pid 3503] unlink("./278/cgroup.net" [pid 3499] lstat("./262/binderfs", [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] write(3, "1000", 4 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5194] <... prctl resumed>) = 0 [pid 5193] <... write resumed>) = 4 [pid 5192] close(16 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./262/binderfs" [pid 5194] setpgid(0, 0 [pid 5193] close(3 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./270/cgroup.cpu", [pid 3499] <... unlink resumed>) = 0 [pid 5194] <... setpgid resumed>) = 0 [pid 5193] <... close resumed>) = 0 [pid 5192] close(17 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5193] read(200, [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./278/cgroup.cpu", [pid 3501] unlink("./270/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./262/cgroup.net", [pid 3501] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./262/cgroup.net" [pid 3501] lstat("./270/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 5194] <... symlink resumed>) = 0 [pid 5193] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] close(18 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5193] symlink("/dev/binderfs", "./binderfs" [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./278/cgroup.cpu" [pid 3501] unlink("./270/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5194] <... symlink resumed>) = 0 [pid 5193] <... symlink resumed>) = 0 [pid 5192] close(19 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./262/cgroup.cpu", [pid 5194] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5193] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5194] <... symlink resumed>) = 0 [pid 5193] <... 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 5192] close(20 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./262/cgroup.cpu" [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./278/cgroup", [pid 3501] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 5194] <... openat resumed>) = 3 [pid 5192] close(21 [pid 3501] <... close resumed>) = 0 [pid 3499] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] write(3, "1000", 4 [pid 5193] <... mmap resumed>) = 0x20002000 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] rmdir("./270" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5194] <... write resumed>) = 4 [pid 5193] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5192] close(22 [pid 3503] unlink("./278/cgroup" [pid 3501] <... rmdir resumed>) = 0 [pid 3499] lstat("./262/cgroup", [pid 5194] close(3 [pid 5193] <... mmap resumed>) = 0x20000000 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] mkdir("./271", 0777 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5194] <... close resumed>) = 0 [pid 5193] close(3 [pid 5192] close(23 [pid 3503] getdents64(3, [pid 3501] <... mkdir resumed>) = 0 [pid 3499] unlink("./262/cgroup" [pid 5194] read(200, [pid 5193] <... close resumed>) = 0 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5195 attached [pid 5194] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] close(4 [pid 5192] close(24 [pid 3503] close(3 [pid 3499] getdents64(3, [pid 5195] set_robust_list(0x5555573195e0, 24 [pid 5194] symlink("/dev/binderfs", "./binderfs" [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 273 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5194] <... symlink resumed>) = 0 [pid 5193] close(5 [pid 5192] close(25 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5195] chdir("./271" [pid 5194] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./278" [pid 3499] close(3 [pid 5195] <... chdir resumed>) = 0 [pid 5194] <... 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 5193] close(6 [pid 5192] close(26 [pid 3503] <... rmdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5194] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./279", 0777 [pid 3499] rmdir("./262" [pid 5195] <... prctl resumed>) = 0 [pid 5194] <... mmap resumed>) = 0x20002000 [pid 5193] close(7 [pid 3503] <... mkdir resumed>) = 0 [pid 5195] setpgid(0, 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] <... setpgid resumed>) = 0 [pid 5194] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] close(27 [pid 3499] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5196 attached [pid 5195] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5194] <... mmap resumed>) = 0x20000000 [pid 5193] close(8 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 281 [pid 5196] set_robust_list(0x5555573195e0, 24 [pid 5195] <... symlink resumed>) = 0 [pid 5194] close(3 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] close(28 [pid 3499] mkdir("./263", 0777 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5194] <... close resumed>) = 0 [pid 5193] close(9 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5196] chdir("./279" [pid 5194] close(4 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] close(29 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] <... symlink resumed>) = 0 [pid 5196] <... chdir resumed>) = 0 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(10 [pid 5192] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5197 attached [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5194] close(5 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5192] exit_group(0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 265 [pid 5197] set_robust_list(0x5555573195e0, 24 [pid 5196] <... prctl resumed>) = 0 [pid 5195] <... symlink resumed>) = 0 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(11 [pid 5192] <... exit_group resumed>) = ? [pid 5197] <... set_robust_list resumed>) = 0 [pid 5196] setpgid(0, 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5194] close(6 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] <... setpgid resumed>) = 0 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(12 [pid 5192] +++ exited with 0 +++ [pid 5197] chdir("./263" [pid 5196] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5195] <... openat resumed>) = 3 [pid 5194] close(7 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... chdir resumed>) = 0 [pid 5196] <... symlink resumed>) = 0 [pid 5195] write(3, "1000", 4 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(13 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5196] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5195] <... write resumed>) = 4 [pid 5194] close(8 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5197] <... prctl resumed>) = 0 [pid 5196] <... symlink resumed>) = 0 [pid 5195] close(3 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(14 [pid 3500] <... restart_syscall resumed>) = 0 [pid 5197] setpgid(0, 0 [pid 5196] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5195] <... close resumed>) = 0 [pid 5194] close(9 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... setpgid resumed>) = 0 [pid 5196] <... symlink resumed>) = 0 [pid 5195] read(200, [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(15 [pid 5197] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] close(10 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] <... symlink resumed>) = 0 [pid 5196] <... openat resumed>) = 3 [pid 5195] symlink("/dev/binderfs", "./binderfs" [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(16 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5196] write(3, "1000", 4 [pid 5194] close(11 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5197] <... symlink resumed>) = 0 [pid 5196] <... write resumed>) = 4 [pid 5195] <... symlink resumed>) = 0 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(17 [pid 3500] <... openat resumed>) = 3 [pid 5197] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5196] close(3 [pid 5195] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5194] close(12 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5197] <... symlink resumed>) = 0 [pid 5196] <... close resumed>) = 0 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(18 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5196] read(200, [pid 5195] <... 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 5194] close(13 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5197] <... openat resumed>) = 3 [pid 5196] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(19 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5197] write(3, "1000", 4 [pid 5196] symlink("/dev/binderfs", "./binderfs" [pid 5195] <... mmap resumed>) = 0x20002000 [pid 5194] close(14 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] <... write resumed>) = 4 [pid 5196] <... symlink resumed>) = 0 [pid 5195] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(20 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] close(3 [pid 5196] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5195] <... mmap resumed>) = 0x20000000 [pid 5194] close(15 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./268/binderfs", [pid 5197] <... close resumed>) = 0 [pid 5196] <... 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 5195] close(3 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(21 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5197] read(200, [pid 5196] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5195] <... close resumed>) = 0 [pid 5194] close(16 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5196] <... mmap resumed>) = 0x20002000 [pid 5195] close(4 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(22 [pid 3500] unlink("./268/binderfs" [pid 5197] symlink("/dev/binderfs", "./binderfs" [pid 5196] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] close(17 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... symlink resumed>) = 0 [pid 5196] <... mmap resumed>) = 0x20000000 [pid 5195] close(5 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(23 [pid 3500] <... unlink resumed>) = 0 [pid 5197] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5196] close(3 [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] close(18 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... 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 5196] <... close resumed>) = 0 [pid 5195] close(6 [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(24 [pid 3500] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5196] close(4 [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] close(19 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(25 [pid 3500] lstat("./268/cgroup.net", [pid 5197] <... mmap resumed>) = 0x20002000 [pid 5196] close(5 [pid 5195] close(7 [pid 5194] close(20 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5197] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(26 [pid 3500] unlink("./268/cgroup.net" [pid 5197] <... mmap resumed>) = 0x20000000 [pid 5196] close(6 [pid 5195] close(8 [pid 5194] close(21 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5197] close(3 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(27 [pid 3500] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] <... close resumed>) = 0 [pid 5196] close(7 [pid 5195] close(9 [pid 5194] close(22 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] close(4 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(28 [pid 3500] lstat("./268/cgroup.cpu", [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(8 [pid 5195] close(10 [pid 5194] close(23 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5197] close(5 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] close(29 [pid 3500] unlink("./268/cgroup.cpu" [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(9 [pid 5195] close(11 [pid 5194] close(24 [pid 5193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5197] close(6 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] exit_group(0 [pid 3500] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(10 [pid 5195] close(12 [pid 5194] close(25 [pid 5193] <... exit_group resumed>) = ? [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] close(7 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5193] +++ exited with 0 +++ [pid 3500] lstat("./268/cgroup", [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(11 [pid 5195] close(13 [pid 5194] close(26 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5197] close(8 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] unlink("./268/cgroup" [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(12 [pid 5195] close(14 [pid 5194] close(27 [pid 3502] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5197] close(9 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(13 [pid 5195] close(15 [pid 5194] close(28 [pid 3502] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5197] close(10 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3500] close(3 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(14 [pid 5195] close(16 [pid 5194] close(29 [pid 3502] fstat(3, [pid 3500] <... close resumed>) = 0 [pid 5197] close(11 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] rmdir("./268" [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(15 [pid 5195] close(17 [pid 5194] exit_group(0 [pid 3502] getdents64(3, [pid 3500] <... rmdir resumed>) = 0 [pid 5197] close(12 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] <... exit_group resumed>) = ? [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] mkdir("./269", 0777 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(16 [pid 5195] close(18 [pid 5197] close(13 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5194] +++ exited with 0 +++ [pid 3502] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... mkdir resumed>) = 0 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(17 [pid 5195] close(19 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] close(14 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./276/binderfs", [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] close(15 [pid 5196] close(18 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] close(20 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5198 attached [pid 5197] close(16 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 271 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./276/binderfs" [pid 5198] set_robust_list(0x5555573195e0, 24 [pid 5197] close(17 [pid 5196] close(19 [pid 5195] close(21 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5197] close(18 [pid 5196] close(20 [pid 5195] close(22 [pid 3504] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] chdir("./269" [pid 5197] close(19 [pid 5196] close(21 [pid 5195] close(23 [pid 3504] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] lstat("./276/cgroup.net", [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] close(20 [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(22 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5197] close(21 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] close(24 [pid 3504] <... openat resumed>) = 3 [pid 3502] unlink("./276/cgroup.net" [pid 5198] <... chdir resumed>) = 0 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] close(22) = -1 EBADF (Bad file descriptor) [pid 5197] close(23) = -1 EBADF (Bad file descriptor) [pid 5197] close(24) = -1 EBADF (Bad file descriptor) [pid 5197] close(25 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(23 [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] <... unlink resumed>) = 0 [pid 5198] <... prctl resumed>) = 0 [pid 5197] close(26 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] close(25 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] setpgid(0, 0 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(24 [pid 3504] getdents64(3, [pid 5197] close(27 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5198] <... setpgid resumed>) = 0 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(25 [pid 3504] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] close(28 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(26 [pid 5195] close(26 [pid 3504] lstat("./281/binderfs", [pid 3502] lstat("./276/cgroup.cpu", [pid 5198] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5197] close(29 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... 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=19, ...}) = 0 [pid 5198] <... symlink resumed>) = 0 [pid 5197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] close(27 [pid 5195] close(27 [pid 3502] unlink("./276/cgroup.cpu" [pid 5198] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5197] exit_group(0 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./281/binderfs" [pid 3502] <... unlink resumed>) = 0 [pid 5198] <... symlink resumed>) = 0 [pid 5197] <... exit_group resumed>) = ? [pid 5196] close(28 [pid 5195] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3502] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] <... symlink resumed>) = 0 [pid 5195] close(29 [pid 3502] lstat("./276/cgroup", [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5197] +++ exited with 0 +++ [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5198] <... openat resumed>) = 3 [pid 5196] close(29 [pid 5195] exit_group(0 [pid 3504] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] write(3, "1000", 4 [pid 5196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5195] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./276/cgroup" [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5198] <... write resumed>) = 4 [pid 5196] exit_group(0 [pid 3504] lstat("./281/cgroup.net", [pid 5196] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5198] close(3 [pid 5196] +++ exited with 0 +++ [pid 5195] +++ exited with 0 +++ [pid 3504] unlink("./281/cgroup.net" [pid 3502] <... unlink resumed>) = 0 [pid 5198] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5198] read(200, [pid 3504] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5198] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3502] close(3 [pid 3504] lstat("./281/cgroup.cpu", [pid 3503] <... restart_syscall resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] symlink("/dev/binderfs", "./binderfs" [pid 3499] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] <... symlink resumed>) = 0 [pid 3504] unlink("./281/cgroup.cpu" [pid 3502] rmdir("./276" [pid 3501] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3504] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3499] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5198] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] mkdir("./277", 0777 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5198] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] lstat("./281/cgroup", [pid 3503] <... openat resumed>) = 3 [pid 3501] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 5198] <... mmap resumed>) = 0x20002000 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] fstat(3, [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] fstat(3, [pid 5198] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] unlink("./281/cgroup" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] <... mmap resumed>) = 0x20000000 [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] getdents64(3, [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./271/binderfs", ./strace-static-x86_64: Process 5199 attached [pid 5198] close(3 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] getdents64(3, [pid 5199] set_robust_list(0x5555573195e0, 24 [pid 5198] <... close resumed>) = 0 [pid 3504] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 279 [pid 3501] unlink("./271/binderfs" [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] close(4 [pid 3504] <... close resumed>) = 0 [pid 3503] lstat("./279/binderfs", [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5199] chdir("./277" [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./281" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5199] <... chdir resumed>) = 0 [pid 5198] close(5 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] unlink("./279/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./282", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./271/cgroup.net", [pid 3499] lstat("./263/binderfs", [pid 5199] <... prctl resumed>) = 0 [pid 5198] close(6 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./263/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5199] setpgid(0, 0 [pid 5198] close(7 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5199] <... setpgid resumed>) = 0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./271/cgroup.net" [pid 3499] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] close(8 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] lstat("./263/cgroup.net", ./strace-static-x86_64: Process 5200 attached [pid 5199] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5198] close(9 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5200] set_robust_list(0x5555573195e0, 24 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./279/cgroup.net", [pid 3501] <... unlink resumed>) = 0 [pid 3499] unlink("./263/cgroup.net" [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... symlink resumed>) = 0 [pid 5198] close(10 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 284 [pid 3499] <... unlink resumed>) = 0 [pid 5200] chdir("./282" [pid 5199] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... chdir resumed>) = 0 [pid 5198] close(11 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] <... symlink resumed>) = 0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./279/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./263/cgroup.cpu", [pid 5200] <... prctl resumed>) = 0 [pid 5199] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5198] close(12 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5200] setpgid(0, 0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./271/cgroup.cpu", [pid 3499] unlink("./263/cgroup.cpu" [pid 5200] <... setpgid resumed>) = 0 [pid 5199] <... symlink resumed>) = 0 [pid 5198] close(13 [pid 3499] <... unlink resumed>) = 0 [pid 5200] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... symlink resumed>) = 0 [pid 5198] close(14 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5199] <... openat resumed>) = 3 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./271/cgroup.cpu" [pid 3499] lstat("./263/cgroup", [pid 5200] <... symlink resumed>) = 0 [pid 5199] write(3, "1000", 4 [pid 5198] close(15 [pid 3503] lstat("./279/cgroup.cpu", [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5200] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5199] <... write resumed>) = 4 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./263/cgroup" [pid 5200] <... symlink resumed>) = 0 [pid 5199] close(3 [pid 5198] close(16 [pid 3503] unlink("./279/cgroup.cpu" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] <... close resumed>) = 0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./271/cgroup", [pid 3499] getdents64(3, [pid 5200] <... openat resumed>) = 3 [pid 5199] read(200, [pid 5198] close(17 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5200] write(3, "1000", 4 [pid 5199] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] close(3 [pid 5200] <... write resumed>) = 4 [pid 5199] symlink("/dev/binderfs", "./binderfs" [pid 5198] close(18 [pid 3499] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] close(3 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./271/cgroup" [pid 3499] rmdir("./263" [pid 5200] <... close resumed>) = 0 [pid 5199] <... symlink resumed>) = 0 [pid 5198] close(19 [pid 3503] lstat("./279/cgroup", [pid 3499] <... rmdir resumed>) = 0 [pid 5200] read(200, [pid 5199] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] mkdir("./264", 0777 [pid 5200] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... 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 5198] close(20 [pid 3503] unlink("./279/cgroup" [pid 3501] getdents64(3, [pid 5200] symlink("/dev/binderfs", "./binderfs" [pid 5199] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5200] <... symlink resumed>) = 0 [pid 5199] <... mmap resumed>) = 0x20002000 [pid 5198] close(21 [pid 3503] getdents64(3, [pid 3501] close(3 [pid 5200] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5199] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... close resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5200] <... 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 5199] <... mmap resumed>) = 0x20000000 [pid 5198] close(22 [pid 3503] close(3 [pid 3501] rmdir("./271" [pid 5199] close(3 [pid 3503] <... close resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5201 attached [pid 5199] <... close resumed>) = 0 [pid 3503] rmdir("./279" [pid 3501] mkdir("./272", 0777 [pid 5201] set_robust_list(0x5555573195e0, 24 [pid 5199] close(4 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./280", 0777 [pid 5200] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5201] chdir("./264" [pid 5200] <... mmap resumed>) = 0x20002000 [pid 5199] close(5 [pid 5198] close(23 [pid 3503] <... mkdir resumed>) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 266 ./strace-static-x86_64: Process 5202 attached [pid 5201] <... chdir resumed>) = 0 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 274 ./strace-static-x86_64: Process 5203 attached [pid 5202] set_robust_list(0x5555573195e0, 24 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5200] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5199] close(6 [pid 5198] close(24 [pid 5203] set_robust_list(0x5555573195e0, 24 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] <... prctl resumed>) = 0 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 282 [pid 5200] <... mmap resumed>) = 0x20000000 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] chdir("./272" [pid 5201] setpgid(0, 0 [pid 5200] close(3 [pid 5199] close(7 [pid 5198] close(25 [pid 5203] chdir("./280" [pid 5202] <... chdir resumed>) = 0 [pid 5201] <... setpgid resumed>) = 0 [pid 5200] <... close resumed>) = 0 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... chdir resumed>) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5201] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5199] close(8 [pid 5198] close(26 [pid 5200] close(4 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5202] <... prctl resumed>) = 0 [pid 5201] <... symlink resumed>) = 0 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... prctl resumed>) = 0 [pid 5202] setpgid(0, 0 [pid 5201] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5200] close(5 [pid 5199] close(9 [pid 5198] close(27 [pid 5203] setpgid(0, 0 [pid 5202] <... setpgid resumed>) = 0 [pid 5201] <... symlink resumed>) = 0 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... setpgid resumed>) = 0 [pid 5202] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5201] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5200] close(6 [pid 5199] close(10 [pid 5198] close(28 [pid 5203] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5202] <... symlink resumed>) = 0 [pid 5201] <... symlink resumed>) = 0 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... symlink resumed>) = 0 [pid 5202] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5200] close(7 [pid 5199] close(11 [pid 5198] close(29 [pid 5203] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5202] <... symlink resumed>) = 0 [pid 5201] <... openat resumed>) = 3 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... symlink resumed>) = 0 [pid 5201] write(3, "1000", 4 [pid 5199] close(12 [pid 5198] exit_group(0 [pid 5203] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5201] <... write resumed>) = 4 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5198] <... exit_group resumed>) = ? [pid 5203] <... symlink resumed>) = 0 [pid 5202] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5201] close(3 [pid 5200] close(8 [pid 5199] close(13 [pid 5198] +++ exited with 0 +++ [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] <... symlink resumed>) = 0 [pid 5201] <... close resumed>) = 0 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5203] <... openat resumed>) = 3 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] read(200, [pid 5200] close(9 [pid 5199] close(14 [pid 5203] write(3, "1000", 4 [pid 5202] <... openat resumed>) = 3 [pid 5201] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... write resumed>) = 4 [pid 5202] write(3, "1000", 4 [pid 5201] symlink("/dev/binderfs", "./binderfs" [pid 5200] close(10 [pid 5199] close(15 [pid 3500] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5203] close(3 [pid 5202] <... write resumed>) = 4 [pid 5201] <... symlink resumed>) = 0 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5203] <... close resumed>) = 0 [pid 5201] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5199] close(16 [pid 3500] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5203] read(200, [pid 5201] <... 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 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... openat resumed>) = 3 [pid 5203] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5199] close(17 [pid 3500] fstat(3, [pid 5203] symlink("/dev/binderfs", "./binderfs" [pid 5202] close(3 [pid 5201] <... mmap resumed>) = 0x20002000 [pid 5200] close(11 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5203] <... symlink resumed>) = 0 [pid 5202] <... close resumed>) = 0 [pid 5201] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(18 [pid 3500] getdents64(3, [pid 5203] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5202] read(200, [pid 5201] <... mmap resumed>) = 0x20000000 [pid 5200] close(12 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5203] <... 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 5201] close(3 [pid 5199] close(19 [pid 3500] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5203] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5201] <... close resumed>) = 0 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5203] <... mmap resumed>) = 0x20002000 [pid 5202] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] close(4 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(20 [pid 3500] lstat("./269/binderfs", [pid 5203] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5202] symlink("/dev/binderfs", "./binderfs" [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(13 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5203] <... mmap resumed>) = 0x20000000 [pid 5202] <... symlink resumed>) = 0 [pid 5201] close(5 [pid 5199] close(21 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./269/binderfs" [pid 5203] close(3 [pid 5202] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(14 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5203] <... close resumed>) = 0 [pid 5202] <... 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 5201] close(6 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(22 [pid 3500] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5203] close(4 [pid 5202] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(15 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... mmap resumed>) = 0x20002000 [pid 5201] close(7 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(23 [pid 3500] lstat("./269/cgroup.net", [pid 5203] close(5 [pid 5202] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(16 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... mmap resumed>) = 0x20000000 [pid 5201] close(8 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(24 [pid 3500] unlink("./269/cgroup.net" [pid 5203] close(6 [pid 5202] close(3 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(17 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = 0 [pid 5201] close(9 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(25 [pid 3500] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5203] close(7 [pid 5202] close(4 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(18 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(10 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(26 [pid 3500] lstat("./269/cgroup.cpu", [pid 5203] close(8 [pid 5202] close(5 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(19 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(11 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(27 [pid 3500] unlink("./269/cgroup.cpu" [pid 5203] close(9 [pid 5202] close(6 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(20 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(12 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(28 [pid 3500] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5203] close(10 [pid 5202] close(7 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(21 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(13 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] close(29 [pid 3500] lstat("./269/cgroup", [pid 5203] close(11 [pid 5202] close(8 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(22 [pid 5199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(14 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5199] exit_group(0 [pid 3500] unlink("./269/cgroup" [pid 5203] close(12 [pid 5202] close(9 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(23 [pid 5199] <... exit_group resumed>) = ? [pid 3500] <... unlink resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(15 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] close(13 [pid 5202] close(10 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(24 [pid 3500] getdents64(3, [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(16 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5203] close(14 [pid 5202] close(11 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(25 [pid 5199] +++ exited with 0 +++ [pid 3500] close(3 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5203] close(15 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(17 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(12 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(26 [pid 5203] close(16 [pid 5201] close(18 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./269" [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(27 [pid 5203] close(17 [pid 5202] close(13 [pid 3502] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5201] close(19 [pid 3500] <... rmdir resumed>) = 0 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(28 [pid 3502] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] mkdir("./270", 0777 [pid 5203] close(18 [pid 5202] close(14 [pid 5201] close(20 [pid 3502] <... openat resumed>) = 3 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3500] <... mkdir resumed>) = 0 [pid 5203] close(19 [pid 5201] close(21 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(15 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5200] close(29 [pid 3502] getdents64(3, [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5203] close(20 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(22 [pid 5200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./277/binderfs", ./strace-static-x86_64: Process 5204 attached [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(16 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5200] exit_group(0 [pid 5204] set_robust_list(0x5555573195e0, 24 [pid 5203] close(21 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(23 [pid 5200] <... exit_group resumed>) = ? [pid 3502] unlink("./277/binderfs" [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 272 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(17 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5204] chdir("./270" [pid 3502] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5204] <... chdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] lstat("./277/cgroup.net", [pid 5204] <... prctl resumed>) = 0 [pid 5200] +++ exited with 0 +++ [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5204] setpgid(0, 0 [pid 5203] close(22 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(24 [pid 3502] unlink("./277/cgroup.net" [pid 5204] <... setpgid resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(18 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] <... unlink resumed>) = 0 [pid 5204] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3502] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5204] <... symlink resumed>) = 0 [pid 5203] close(23 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(25 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3502] lstat("./277/cgroup.cpu", [pid 5204] <... symlink resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(19 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5204] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5203] close(24 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(26 [pid 3504] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./277/cgroup.cpu" [pid 5204] <... symlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] close(20 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5204] <... openat resumed>) = 3 [pid 5203] close(25 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(27 [pid 3504] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] write(3, "1000", 4 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(21 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] lstat("./277/cgroup", [pid 5204] <... write resumed>) = 4 [pid 5203] close(26 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(28 [pid 3504] fstat(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5204] close(3 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(22 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./277/cgroup" [pid 5204] <... close resumed>) = 0 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] close(29 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5204] read(200, [pid 5203] close(27 [pid 5202] close(23 [pid 5201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3502] getdents64(3, [pid 5204] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] exit_group(0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5204] symlink("/dev/binderfs", "./binderfs" [pid 5202] close(24 [pid 5201] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5203] close(28 [pid 3502] close(3 [pid 5204] <... symlink resumed>) = 0 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] +++ exited with 0 +++ [pid 3504] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... close resumed>) = 0 [pid 5204] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(25 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./277" [pid 5204] <... 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 5203] close(29 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 5204] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] close(26 [pid 3504] lstat("./282/binderfs", [pid 3502] mkdir("./278", 0777 [pid 5204] <... mmap resumed>) = 0x20002000 [pid 5203] exit_group(0 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, 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 5204] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5203] <... exit_group resumed>) = ? [pid 5202] close(27 [pid 3504] unlink("./282/binderfs" [pid 3502] <... mkdir resumed>) = 0 [pid 3499] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5204] <... mmap resumed>) = 0x20000000 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5205 attached [pid 5204] close(3 [pid 5203] +++ exited with 0 +++ [pid 5202] close(28 [pid 3504] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5205] set_robust_list(0x5555573195e0, 24 [pid 5204] <... close resumed>) = 0 [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 280 [pid 3499] <... openat resumed>) = 3 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] close(4 [pid 5202] close(29 [pid 3504] lstat("./282/cgroup.net", [pid 3499] fstat(3, [pid 5205] chdir("./278" [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5205] <... chdir resumed>) = 0 [pid 5204] close(5 [pid 5202] exit_group(0 [pid 3504] unlink("./282/cgroup.net" [pid 3503] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5202] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5205] <... prctl resumed>) = 0 [pid 5204] close(6 [pid 5202] +++ exited with 0 +++ [pid 3504] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5205] setpgid(0, 0 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... openat resumed>) = 3 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5205] <... setpgid resumed>) = 0 [pid 5204] close(7 [pid 3504] lstat("./282/cgroup.cpu", [pid 3503] fstat(3, [pid 3499] lstat("./264/binderfs", [pid 5205] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5205] <... symlink resumed>) = 0 [pid 5204] close(8 [pid 3504] unlink("./282/cgroup.cpu" [pid 3503] getdents64(3, [pid 3499] unlink("./264/binderfs" [pid 5205] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... unlink resumed>) = 0 [pid 5205] <... symlink resumed>) = 0 [pid 5204] close(9 [pid 3504] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5205] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5205] <... symlink resumed>) = 0 [pid 5204] close(10 [pid 3504] lstat("./282/cgroup", [pid 3503] lstat("./280/binderfs", [pid 3501] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] lstat("./264/cgroup.net", [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [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] <... openat resumed>) = 3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5205] <... openat resumed>) = 3 [pid 5204] close(11 [pid 3504] unlink("./282/cgroup" [pid 3503] unlink("./280/binderfs" [pid 3501] fstat(3, [pid 3499] unlink("./264/cgroup.net" [pid 5205] write(3, "1000", 4 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5205] <... write resumed>) = 4 [pid 5204] close(12 [pid 3504] getdents64(3, [pid 3503] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5205] close(3 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5205] <... close resumed>) = 0 [pid 5204] close(13 [pid 3504] close(3 [pid 3503] lstat("./280/cgroup.net", [pid 3499] lstat("./264/cgroup.cpu", [pid 5205] read(200, [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5205] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] close(14 [pid 3504] rmdir("./282" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5205] symlink("/dev/binderfs", "./binderfs" [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] unlink("./280/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5205] <... symlink resumed>) = 0 [pid 5204] close(15 [pid 3504] mkdir("./283", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./272/binderfs", [pid 3499] unlink("./264/cgroup.cpu" [pid 5205] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5205] <... 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 5204] close(16 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./272/binderfs" [pid 3499] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5205] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5205] <... mmap resumed>) = 0x20002000 [pid 3503] lstat("./280/cgroup.cpu", [pid 3501] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5206 attached [pid 5205] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5204] close(17 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 285 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./264/cgroup", [pid 5206] set_robust_list(0x5555573195e0, 24 [pid 5205] <... mmap resumed>) = 0x20000000 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./280/cgroup.cpu" [pid 3501] lstat("./272/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] close(3 [pid 5204] close(18 [pid 3503] <... unlink resumed>) = 0 [pid 3499] unlink("./264/cgroup" [pid 5206] chdir("./283" [pid 5205] <... close resumed>) = 0 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5206] <... chdir resumed>) = 0 [pid 5205] close(4 [pid 5204] close(19 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./280/cgroup", [pid 3501] unlink("./272/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5206] <... prctl resumed>) = 0 [pid 5205] close(5 [pid 5204] close(20 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] close(3 [pid 5206] setpgid(0, 0 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./280/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5206] <... setpgid resumed>) = 0 [pid 5205] close(6 [pid 5204] close(21 [pid 3503] <... unlink resumed>) = 0 [pid 3499] rmdir("./264" [pid 5206] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... rmdir resumed>) = 0 [pid 5206] <... symlink resumed>) = 0 [pid 5205] close(7 [pid 5204] close(22 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] mkdir("./265", 0777 [pid 5206] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... mkdir resumed>) = 0 [pid 5206] <... symlink resumed>) = 0 [pid 5205] close(8 [pid 5204] close(23 [pid 3503] <... close resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached [pid 5206] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./280" [pid 3501] lstat("./272/cgroup.cpu", [pid 5206] <... symlink resumed>) = 0 [pid 5205] close(9 [pid 5204] close(24 [pid 3503] <... rmdir resumed>) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 267 [pid 5207] set_robust_list(0x5555573195e0, 24 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./281", 0777 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5206] <... openat resumed>) = 3 [pid 5205] close(10 [pid 5204] close(25 [pid 3503] <... mkdir resumed>) = 0 [pid 5207] chdir("./265" [pid 5206] write(3, "1000", 4 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] unlink("./272/cgroup.cpu"./strace-static-x86_64: Process 5208 attached [pid 5207] <... chdir resumed>) = 0 [pid 5206] <... write resumed>) = 4 [pid 5205] close(11 [pid 5204] close(26 [pid 3501] <... unlink resumed>) = 0 [pid 5208] set_robust_list(0x5555573195e0, 24 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] close(3 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 283 [pid 3501] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] <... set_robust_list resumed>) = 0 [pid 5207] <... prctl resumed>) = 0 [pid 5206] <... close resumed>) = 0 [pid 5205] close(12 [pid 5204] close(27 [pid 5208] chdir("./281" [pid 5207] setpgid(0, 0 [pid 5206] read(200, [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... chdir resumed>) = 0 [pid 5207] <... setpgid resumed>) = 0 [pid 5206] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] close(13 [pid 5204] close(28 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5206] symlink("/dev/binderfs", "./binderfs" [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./272/cgroup", [pid 5208] <... prctl resumed>) = 0 [pid 5207] <... symlink resumed>) = 0 [pid 5206] <... symlink resumed>) = 0 [pid 5205] close(14 [pid 5204] close(29 [pid 5208] setpgid(0, 0 [pid 5206] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5208] <... setpgid resumed>) = 0 [pid 5207] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5206] <... 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 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] exit_group(0 [pid 5208] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5207] <... symlink resumed>) = 0 [pid 5206] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5205] close(15 [pid 5204] <... exit_group resumed>) = ? [pid 3501] unlink("./272/cgroup" [pid 5208] <... symlink resumed>) = 0 [pid 5207] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5206] <... mmap resumed>) = 0x20002000 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5208] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5207] <... symlink resumed>) = 0 [pid 5206] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5205] close(16 [pid 3501] getdents64(3, [pid 5208] <... symlink resumed>) = 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5206] <... mmap resumed>) = 0x20000000 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5208] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5207] <... openat resumed>) = 3 [pid 5206] close(3 [pid 5205] close(17 [pid 5204] +++ exited with 0 +++ [pid 3501] close(3 [pid 5208] <... symlink resumed>) = 0 [pid 5207] write(3, "1000", 4 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5207] <... write resumed>) = 4 [pid 5205] close(18 [pid 3501] rmdir("./272" [pid 5207] close(3 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5207] <... close resumed>) = 0 [pid 5206] <... close resumed>) = 0 [pid 5205] close(19 [pid 3501] mkdir("./273", 0777 [pid 3500] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5207] read(200, [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5207] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] close(4 [pid 5205] close(20 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5209 attached [pid 5208] <... openat resumed>) = 3 [pid 5207] symlink("/dev/binderfs", "./binderfs" [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... openat resumed>) = 3 [pid 5209] set_robust_list(0x5555573195e0, 24 [pid 5208] write(3, "1000", 4 [pid 5207] <... symlink resumed>) = 0 [pid 5206] close(5 [pid 5205] close(21 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 275 [pid 3500] fstat(3, [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] <... write resumed>) = 4 [pid 5207] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5209] chdir("./273" [pid 5208] close(3 [pid 5207] <... 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 5206] close(6 [pid 5205] close(22 [pid 3500] getdents64(3, [pid 5209] <... chdir resumed>) = 0 [pid 5208] <... close resumed>) = 0 [pid 5207] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5208] read(200, [pid 5207] <... mmap resumed>) = 0x20002000 [pid 5206] close(7 [pid 5205] close(23 [pid 3500] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5207] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5207] <... mmap resumed>) = 0x20000000 [pid 5205] close(24 [pid 3500] lstat("./270/binderfs", [pid 5207] close(3 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5207] <... close resumed>) = 0 [pid 5205] close(25 [pid 3500] unlink("./270/binderfs" [pid 5207] close(4 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] close(26 [pid 3500] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5209] <... prctl resumed>) = 0 [pid 5208] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] close(5 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] close(27 [pid 3500] lstat("./270/cgroup.net", [pid 5209] setpgid(0, 0 [pid 5208] symlink("/dev/binderfs", "./binderfs" [pid 5207] close(6 [pid 5206] close(8 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5209] <... setpgid resumed>) = 0 [pid 5208] <... symlink resumed>) = 0 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] close(28 [pid 3500] unlink("./270/cgroup.net" [pid 5209] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5207] close(7 [pid 5206] close(9 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] <... unlink resumed>) = 0 [pid 5209] <... symlink resumed>) = 0 [pid 5208] <... 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 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] close(29 [pid 3500] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5209] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5208] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5207] close(8 [pid 5206] close(10 [pid 5205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] <... symlink resumed>) = 0 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5205] exit_group(0 [pid 3500] lstat("./270/cgroup.cpu", [pid 5209] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5208] <... mmap resumed>) = 0x20002000 [pid 5207] close(9 [pid 5206] close(11 [pid 5205] <... exit_group resumed>) = ? [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5209] <... symlink resumed>) = 0 [pid 5208] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5208] <... mmap resumed>) = 0x20000000 [pid 5207] close(10 [pid 5206] close(12 [pid 5205] +++ exited with 0 +++ [pid 3500] unlink("./270/cgroup.cpu" [pid 5209] <... openat resumed>) = 3 [pid 5208] close(3 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] <... unlink resumed>) = 0 [pid 5209] write(3, "1000", 4 [pid 5208] <... close resumed>) = 0 [pid 5207] close(11 [pid 5206] close(13 [pid 3500] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5209] <... write resumed>) = 4 [pid 5208] close(4 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] close(3 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(12 [pid 5206] close(14 [pid 3502] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./270/cgroup", [pid 5209] <... close resumed>) = 0 [pid 5208] close(5 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5209] read(200, [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(13 [pid 5206] close(15 [pid 3502] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5209] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] close(6 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3500] unlink("./270/cgroup" [pid 5209] symlink("/dev/binderfs", "./binderfs" [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(14 [pid 5206] close(16 [pid 3502] fstat(3, [pid 5209] <... symlink resumed>) = 0 [pid 5208] close(7 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5209] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(15 [pid 5206] close(17 [pid 3502] getdents64(3, [pid 3500] getdents64(3, [pid 5209] <... 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 5208] close(8 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5209] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(16 [pid 5206] close(18 [pid 3502] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5209] <... mmap resumed>) = 0x20002000 [pid 5208] close(9 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(19 [pid 3502] lstat("./278/binderfs", [pid 3500] close(3 [pid 5209] <... mmap resumed>) = 0x20000000 [pid 5208] close(10 [pid 5207] close(17 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5209] close(3 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(20 [pid 3502] unlink("./278/binderfs" [pid 3500] <... close resumed>) = 0 [pid 5209] <... close resumed>) = 0 [pid 5208] close(11 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5209] close(4 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(18 [pid 5206] close(21 [pid 3502] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] rmdir("./270" [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(12 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] close(5 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(19 [pid 5206] close(22 [pid 3502] lstat("./278/cgroup.net", [pid 3500] <... rmdir resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(13 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] mkdir("./271", 0777 [pid 5209] close(6 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(20 [pid 5206] close(23 [pid 3502] unlink("./278/cgroup.net" [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(14 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 5209] close(7 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] close(21 [pid 5206] close(24 [pid 3502] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(15 [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] close(8 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(25 [pid 3502] lstat("./278/cgroup.cpu", ./strace-static-x86_64: Process 5210 attached [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(16 [pid 5207] close(22 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5210] set_robust_list(0x5555573195e0, 24 [pid 5209] close(9 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(26 [pid 3502] unlink("./278/cgroup.cpu" [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(17 [pid 5207] close(23 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 273 [pid 5210] chdir("./271" [pid 5209] close(10 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(27 [pid 3502] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5210] <... chdir resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(18 [pid 5207] close(24 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5209] close(11 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(28 [pid 3502] lstat("./278/cgroup", [pid 5210] <... prctl resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(19 [pid 5207] close(25 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5210] setpgid(0, 0 [pid 5209] close(12 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] close(29 [pid 3502] unlink("./278/cgroup" [pid 5210] <... setpgid resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(20 [pid 5207] close(26 [pid 5206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5210] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5209] close(13 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] exit_group(0 [pid 3502] getdents64(3, [pid 5210] <... symlink resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(21 [pid 5207] close(27 [pid 5206] <... exit_group resumed>) = ? [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5210] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5209] close(14 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5206] +++ exited with 0 +++ [pid 3502] close(3 [pid 5210] <... symlink resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(22 [pid 5207] close(28 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] <... close resumed>) = 0 [pid 5210] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5209] close(15 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./278" [pid 5210] <... symlink resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(23 [pid 5207] close(29 [pid 3502] <... rmdir resumed>) = 0 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] close(16 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./279", 0777 [pid 5210] <... openat resumed>) = 3 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(24 [pid 5207] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 5210] write(3, "1000", 4 [pid 5209] close(17 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5207] <... exit_group resumed>) = ? [pid 3504] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached [pid 5210] <... write resumed>) = 4 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(25 [pid 3504] <... openat resumed>) = 3 [pid 5211] set_robust_list(0x5555573195e0, 24 [pid 5210] close(3 [pid 5209] close(18 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 281 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5210] <... close resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(26 [pid 5207] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5211] chdir("./279" [pid 5210] read(200, [pid 5209] close(19 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5211] <... chdir resumed>) = 0 [pid 5210] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5210] symlink("/dev/binderfs", "./binderfs" [pid 5209] close(20 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5211] <... prctl resumed>) = 0 [pid 5210] <... symlink resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... restart_syscall resumed>) = 0 [pid 5211] setpgid(0, 0 [pid 5210] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5209] close(21 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./283/binderfs", [pid 5211] <... setpgid resumed>) = 0 [pid 5210] <... 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 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] close(29 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5211] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5210] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5209] close(22 [pid 5208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./283/binderfs" [pid 3499] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5211] <... symlink resumed>) = 0 [pid 5210] <... mmap resumed>) = 0x20002000 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5210] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5209] close(23 [pid 5208] <... exit_group resumed>) = ? [pid 3504] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5211] <... symlink resumed>) = 0 [pid 5210] <... mmap resumed>) = 0x20000000 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5209] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] close(3 [pid 3499] <... openat resumed>) = 3 [pid 5211] <... symlink resumed>) = 0 [pid 5210] <... close resumed>) = 0 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./283/cgroup.net", [pid 5209] close(25 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5210] close(4 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5208] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] fstat(3, [pid 5211] <... openat resumed>) = 3 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] close(26 [pid 3504] unlink("./283/cgroup.net" [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5211] write(3, "1000", 4 [pid 5210] close(5 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3499] getdents64(3, [pid 5211] <... write resumed>) = 4 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] close(27 [pid 3504] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5211] close(3 [pid 5210] close(6 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... restart_syscall resumed>) = 0 [pid 3499] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] lstat("./283/cgroup.cpu", [pid 5211] <... close resumed>) = 0 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] close(28 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] read(200, [pid 5210] close(7 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5211] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] close(29 [pid 3504] unlink("./283/cgroup.cpu" [pid 3499] lstat("./265/binderfs", [pid 5211] symlink("/dev/binderfs", "./binderfs" [pid 5210] close(8 [pid 5209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5211] <... symlink resumed>) = 0 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] exit_group(0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5211] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5210] close(9 [pid 5209] <... exit_group resumed>) = ? [pid 3504] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./265/binderfs" [pid 5209] +++ exited with 0 +++ [pid 3503] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5210] close(10 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... unlink resumed>) = 0 [pid 5211] <... 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 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3499] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5211] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5210] close(11 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] fstat(3, [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./283/cgroup", [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] <... mmap resumed>) = 0x20002000 [pid 5210] close(12 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] getdents64(3, [pid 5211] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./283/cgroup" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./265/cgroup.net", [pid 5211] <... mmap resumed>) = 0x20000000 [pid 5210] close(13 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] close(3 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5211] <... close resumed>) = 0 [pid 5210] close(14 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./265/cgroup.net" [pid 5211] close(4 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] lstat("./281/binderfs", [pid 3501] <... openat resumed>) = 3 [pid 3499] <... unlink resumed>) = 0 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(15 [pid 3504] <... close resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] fstat(3, [pid 3499] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5211] close(5 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./283" [pid 3503] unlink("./281/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(16 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5211] close(6 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./284", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] lstat("./265/cgroup.cpu", [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(17 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5211] close(7 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(18 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./273/binderfs", [pid 3503] lstat("./281/cgroup.net", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] unlink("./265/cgroup.cpu" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./273/binderfs" [pid 3499] <... unlink resumed>) = 0 [pid 3503] unlink("./281/cgroup.net" [pid 3501] <... unlink resumed>) = 0 [pid 5211] close(8 [pid 3499] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5212 attached [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5212] set_robust_list(0x5555573195e0, 24 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(19 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 286 [pid 3503] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./265/cgroup", [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] close(9 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./273/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5212] chdir("./284" [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(20 [pid 3503] lstat("./281/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./265/cgroup" [pid 5212] <... chdir resumed>) = 0 [pid 5211] close(10 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./273/cgroup.net" [pid 3499] <... unlink resumed>) = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] unlink("./281/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 5212] <... prctl resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5212] setpgid(0, 0 [pid 3503] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] close(3 [pid 5212] <... setpgid resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./273/cgroup.cpu", [pid 3499] <... close resumed>) = 0 [pid 5212] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(21 [pid 3503] lstat("./281/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] rmdir("./265" [pid 5212] <... symlink resumed>) = 0 [pid 5211] close(11 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./273/cgroup.cpu" [pid 3499] <... rmdir resumed>) = 0 [pid 5212] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(22 [pid 3503] unlink("./281/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3499] mkdir("./266", 0777 [pid 5212] <... symlink resumed>) = 0 [pid 5211] close(12 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... mkdir resumed>) = 0 [pid 5212] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached [pid 5212] <... symlink resumed>) = 0 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(23 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./273/cgroup", [pid 5213] set_robust_list(0x5555573195e0, 24 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5211] close(13 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(24 [pid 3503] <... close resumed>) = 0 [pid 3501] unlink("./273/cgroup" [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 268 [pid 5213] chdir("./266" [pid 5212] write(3, "1000", 4 [pid 5211] close(14 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./281" [pid 3501] <... unlink resumed>) = 0 [pid 5213] <... chdir resumed>) = 0 [pid 5212] <... write resumed>) = 4 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(25 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] getdents64(3, [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5212] close(3 [pid 5211] close(15 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./282", 0777 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5213] <... prctl resumed>) = 0 [pid 5212] <... close resumed>) = 0 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(26 [pid 3503] <... mkdir resumed>) = 0 [pid 3501] close(3 [pid 5213] setpgid(0, 0 [pid 5212] read(200, [pid 5211] close(16 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... close resumed>) = 0 [pid 5213] <... setpgid resumed>) = 0 [pid 5212] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(27./strace-static-x86_64: Process 5214 attached [pid 5213] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5212] symlink("/dev/binderfs", "./binderfs" [pid 5211] close(17 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./273" [pid 5214] set_robust_list(0x5555573195e0, 24 [pid 5213] <... symlink resumed>) = 0 [pid 5212] <... symlink resumed>) = 0 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(28 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5213] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5212] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5211] close(18 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 284 [pid 3501] <... rmdir resumed>) = 0 [pid 5214] chdir("./282" [pid 5213] <... symlink resumed>) = 0 [pid 5212] <... 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 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] close(29 [pid 3501] mkdir("./274", 0777 [pid 5214] <... chdir resumed>) = 0 [pid 5213] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5212] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5211] close(19 [pid 5210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] <... symlink resumed>) = 0 [pid 5212] <... mmap resumed>) = 0x20002000 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] exit_group(0 [pid 5214] <... prctl resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5211] close(20 [pid 5210] <... exit_group resumed>) = ? [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5215 attached [pid 5214] setpgid(0, 0 [pid 5213] <... openat resumed>) = 3 [pid 5212] <... mmap resumed>) = 0x20000000 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... setpgid resumed>) = 0 [pid 5213] write(3, "1000", 4 [pid 5212] close(3 [pid 5211] close(21 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 276 [pid 5215] set_robust_list(0x5555573195e0, 24 [pid 5214] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5213] <... write resumed>) = 4 [pid 5212] <... close resumed>) = 0 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] +++ exited with 0 +++ [pid 5215] <... set_robust_list resumed>) = 0 [pid 5214] <... symlink resumed>) = 0 [pid 5213] close(3 [pid 5212] close(4 [pid 5211] close(22 [pid 5215] chdir("./274" [pid 5214] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5213] <... close resumed>) = 0 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... chdir resumed>) = 0 [pid 5214] <... symlink resumed>) = 0 [pid 5213] read(200, [pid 5212] close(5 [pid 5211] close(23 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5213] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5215] <... prctl resumed>) = 0 [pid 5214] <... symlink resumed>) = 0 [pid 5213] symlink("/dev/binderfs", "./binderfs" [pid 5212] close(6 [pid 5211] close(24 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] setpgid(0, 0 [pid 5214] <... openat resumed>) = 3 [pid 5213] <... symlink resumed>) = 0 [pid 5212] close(7 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] <... setpgid resumed>) = 0 [pid 5214] write(3, "1000", 4 [pid 5213] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] close(25 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5214] <... write resumed>) = 4 [pid 5212] close(8 [pid 3500] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5214] close(3 [pid 5213] <... 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 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... symlink resumed>) = 0 [pid 5214] <... close resumed>) = 0 [pid 5213] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5212] close(9 [pid 3500] <... openat resumed>) = 3 [pid 5215] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5214] read(200, [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] close(26 [pid 5215] <... symlink resumed>) = 0 [pid 5214] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] <... mmap resumed>) = 0x20002000 [pid 5212] close(10 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5215] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5214] symlink("/dev/binderfs", "./binderfs" [pid 5213] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] close(27 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5215] <... symlink resumed>) = 0 [pid 5214] <... symlink resumed>) = 0 [pid 5212] close(11 [pid 5214] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5214] <... 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 5212] close(12 [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5213] <... mmap resumed>) = 0x20000000 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... mmap resumed>) = 0x20002000 [pid 5213] close(3 [pid 5212] close(13 [pid 5211] close(28 [pid 5215] <... openat resumed>) = 3 [pid 5214] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5213] <... close resumed>) = 0 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] write(3, "1000", 4 [pid 5214] <... mmap resumed>) = 0x20000000 [pid 5213] close(4 [pid 5212] close(14 [pid 5211] close(29 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] <... write resumed>) = 4 [pid 5214] close(3 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./271/binderfs", [pid 5215] close(3 [pid 5214] <... close resumed>) = 0 [pid 5213] close(5 [pid 5212] close(15 [pid 5211] exit_group(0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5215] <... close resumed>) = 0 [pid 5214] close(4 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] <... exit_group resumed>) = ? [pid 5215] read(200, [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(6 [pid 5212] close(16 [pid 3500] unlink("./271/binderfs" [pid 5214] close(5 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(17 [pid 5214] close(6 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(18 [pid 3500] <... unlink resumed>) = 0 [pid 5215] symlink("/dev/binderfs", "./binderfs" [pid 5214] close(7 [pid 5213] close(7 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] +++ exited with 0 +++ [pid 5215] <... symlink resumed>) = 0 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(19 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5214] close(8 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... 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 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(20 [pid 5215] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5214] close(9 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... mmap resumed>) = 0x20002000 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(21 [pid 5215] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5214] close(10 [pid 5213] close(8 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] <... mmap resumed>) = 0x20000000 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(22 [pid 3500] lstat("./271/cgroup.net", [pid 5215] close(3 [pid 5214] close(11 [pid 5213] close(9 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... close resumed>) = 0 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(23 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5215] close(4 [pid 5214] close(12 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(10 [pid 5212] close(24 [pid 3500] unlink("./271/cgroup.net" [pid 5215] close(5 [pid 5214] close(13 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(25 [pid 3500] <... unlink resumed>) = 0 [pid 5215] close(6 [pid 5214] close(14 [pid 5213] close(11 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] close(7 [pid 5214] close(15 [pid 5213] close(12 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(27 [pid 3502] <... openat resumed>) = 3 [pid 3500] lstat("./271/cgroup.cpu", [pid 5215] close(8 [pid 5214] close(16 [pid 5213] close(13 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] close(28 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] unlink("./271/cgroup.cpu" [pid 5215] close(9 [pid 5214] close(17 [pid 5213] close(14 [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(15 [pid 5212] close(29 [pid 3502] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] close(10 [pid 5214] close(18 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./271/cgroup", [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(16 [pid 3502] lstat("./279/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5215] close(11 [pid 5214] close(19 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] exit_group(0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./271/cgroup" [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(17 [pid 3502] unlink("./279/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 5215] close(12 [pid 5214] close(20 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] <... exit_group resumed>) = ? [pid 3502] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(18 [pid 3502] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] close(3 [pid 5213] close(19 [pid 3502] lstat("./279/cgroup.net", [pid 3500] <... close resumed>) = 0 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] rmdir("./271" [pid 5213] close(20 [pid 3502] unlink("./279/cgroup.net" [pid 3500] <... rmdir resumed>) = 0 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] +++ exited with 0 +++ [pid 3502] <... unlink resumed>) = 0 [pid 3500] mkdir("./272", 0777 [pid 5215] close(13 [pid 5214] close(21 [pid 5213] close(21 [pid 3502] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... mkdir resumed>) = 0 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached [pid 5215] close(14 [pid 5214] close(22 [pid 5213] close(22 [pid 3502] lstat("./279/cgroup.cpu", [pid 5216] set_robust_list(0x5555573195e0, 24 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 274 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5215] close(15 [pid 5214] close(23 [pid 5213] close(23 [pid 3504] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./279/cgroup.cpu" [pid 5216] chdir("./272" [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5216] <... chdir resumed>) = 0 [pid 5215] close(16 [pid 5213] close(24 [pid 5214] close(24 [pid 3502] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] <... prctl resumed>) = 0 [pid 5215] close(17 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(25 [pid 3502] lstat("./279/cgroup", [pid 5216] setpgid(0, 0 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] close(25 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5216] <... setpgid resumed>) = 0 [pid 5215] close(18 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(26 [pid 3504] fstat(3, [pid 3502] unlink("./279/cgroup" [pid 5216] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] close(26 [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5216] <... symlink resumed>) = 0 [pid 5215] close(19 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] close(27 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] getdents64(3, [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5216] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] close(27 [pid 5213] close(28 [pid 3504] getdents64(3, [pid 3502] close(3 [pid 5216] <... symlink resumed>) = 0 [pid 5215] close(20 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... close resumed>) = 0 [pid 5216] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] close(28 [pid 5213] close(29 [pid 3504] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] rmdir("./279" [pid 5216] <... symlink resumed>) = 0 [pid 5215] close(21 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] close(29 [pid 5213] exit_group(0 [pid 3504] lstat("./284/binderfs", [pid 3502] mkdir("./280", 0777 [pid 5216] <... openat resumed>) = 3 [pid 5215] close(22 [pid 5214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] <... exit_group resumed>) = ? [pid 3502] <... mkdir resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5216] write(3, "1000", 4 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] exit_group(0 [pid 5213] +++ exited with 0 +++ [pid 3504] unlink("./284/binderfs" [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5216] <... write resumed>) = 4 [pid 5215] close(23 [pid 5214] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 5217 attached [pid 5216] close(3 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5217] set_robust_list(0x5555573195e0, 24 [pid 5216] <... close resumed>) = 0 [pid 5215] close(24 [pid 5214] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] read(200, [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./284/cgroup.net", [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5216] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 5216] symlink("/dev/binderfs", "./binderfs" [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./284/cgroup.net" [pid 3503] <... restart_syscall resumed>) = 0 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5216] <... symlink resumed>) = 0 [pid 5215] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 282 [pid 3499] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5217] chdir("./280" [pid 5216] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5217] <... chdir resumed>) = 0 [pid 5216] <... 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 5215] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./284/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 5217] <... prctl resumed>) = 0 [pid 5216] <... mmap resumed>) = 0x20002000 [pid 5215] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] fstat(3, [pid 5217] setpgid(0, 0 [pid 5216] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./284/cgroup.cpu" [pid 3503] <... openat resumed>) = 3 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5217] <... setpgid resumed>) = 0 [pid 5216] <... mmap resumed>) = 0x20000000 [pid 5215] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3503] fstat(3, [pid 3499] getdents64(3, [pid 5217] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5216] close(3 [pid 5215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5217] <... symlink resumed>) = 0 [pid 5216] <... close resumed>) = 0 [pid 5215] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3499] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5217] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5216] close(4 [pid 5215] <... exit_group resumed>) = ? [pid 3504] lstat("./284/cgroup", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5217] <... symlink resumed>) = 0 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5217] <... symlink resumed>) = 0 [pid 5216] close(5 [pid 5215] +++ exited with 0 +++ [pid 3504] unlink("./284/cgroup" [pid 3503] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./266/binderfs", [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5217] <... openat resumed>) = 3 [pid 5216] close(6 [pid 3504] getdents64(3, [pid 3503] lstat("./282/binderfs", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5217] write(3, "1000", 4 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5217] <... write resumed>) = 4 [pid 5216] close(7 [pid 3504] close(3 [pid 3503] unlink("./282/binderfs" [pid 3499] unlink("./266/binderfs" [pid 5217] close(3 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5217] <... close resumed>) = 0 [pid 5216] close(8 [pid 3504] rmdir("./284" [pid 3503] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5217] read(200, [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] close(9 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5217] symlink("/dev/binderfs", "./binderfs" [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./285", 0777 [pid 3503] lstat("./282/cgroup.net", [pid 5217] <... symlink resumed>) = 0 [pid 5216] close(10 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./266/cgroup.net", [pid 5217] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] unlink("./282/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5218 attached [pid 5217] <... 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 5216] close(11 [pid 3503] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5218] set_robust_list(0x5555573195e0, 24 [pid 5217] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 287 [pid 3503] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 3499] unlink("./266/cgroup.net" [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] <... mmap resumed>) = 0x20002000 [pid 5216] close(12 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5218] chdir("./285" [pid 5217] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./282/cgroup.cpu", [pid 3501] fstat(3, [pid 3499] <... unlink resumed>) = 0 [pid 5218] <... chdir resumed>) = 0 [pid 5217] <... mmap resumed>) = 0x20000000 [pid 5216] close(13 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] close(3 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./282/cgroup.cpu" [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5218] <... prctl resumed>) = 0 [pid 5217] <... close resumed>) = 0 [pid 5216] close(14 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./266/cgroup.cpu", [pid 5218] setpgid(0, 0 [pid 5217] close(4 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5218] <... setpgid resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(15 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./266/cgroup.cpu" [pid 5218] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5217] close(5 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./282/cgroup", [pid 3501] lstat("./274/binderfs", [pid 3499] <... unlink resumed>) = 0 [pid 5218] <... symlink resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(16 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5218] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5217] close(6 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./282/cgroup" [pid 3501] unlink("./274/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5218] <... symlink resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(17 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./266/cgroup", [pid 5218] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5217] close(7 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5218] <... symlink resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(18 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./266/cgroup" [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] close(8 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 3501] lstat("./274/cgroup.net", [pid 3499] <... unlink resumed>) = 0 [pid 5218] <... openat resumed>) = 3 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(19 [pid 3503] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] getdents64(3, [pid 5218] write(3, "1000", 4 [pid 5217] close(9 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./282" [pid 3501] unlink("./274/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5218] <... write resumed>) = 4 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(20 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] close(3 [pid 5218] close(3 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(10 [pid 3503] mkdir("./283", 0777 [pid 3501] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 5218] <... close resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(21 [pid 3503] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./266" [pid 5218] read(200, [pid 5217] close(11 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] lstat("./274/cgroup.cpu", [pid 3499] <... rmdir resumed>) = 0 [pid 5218] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(22 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5218] symlink("/dev/binderfs", "./binderfs" [pid 5217] close(12 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./267", 0777./strace-static-x86_64: Process 5219 attached [pid 5218] <... symlink resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(23 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 285 [pid 3501] unlink("./274/cgroup.cpu" [pid 3499] <... mkdir resumed>) = 0 [pid 5219] set_robust_list(0x5555573195e0, 24 [pid 5218] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] <... 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 5216] close(24 [pid 3501] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5220] set_robust_list(0x5555573195e0, 24 [pid 5219] chdir("./283" [pid 5218] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5217] close(13 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 269 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... chdir resumed>) = 0 [pid 5218] <... mmap resumed>) = 0x20002000 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(25 [pid 3501] lstat("./274/cgroup", [pid 5220] chdir("./267" [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5217] close(14 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5220] <... chdir resumed>) = 0 [pid 5219] <... prctl resumed>) = 0 [pid 5218] <... mmap resumed>) = 0x20000000 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(26 [pid 3501] unlink("./274/cgroup" [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] setpgid(0, 0 [pid 5218] close(3 [pid 5217] close(15 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5220] <... prctl resumed>) = 0 [pid 5219] <... setpgid resumed>) = 0 [pid 5218] <... close resumed>) = 0 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(27 [pid 3501] getdents64(3, [pid 5220] setpgid(0, 0 [pid 5219] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5218] close(4 [pid 5217] close(16 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5220] <... setpgid resumed>) = 0 [pid 5219] <... symlink resumed>) = 0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(28 [pid 3501] close(3 [pid 5220] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5219] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5218] close(5 [pid 5217] close(17 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 5220] <... symlink resumed>) = 0 [pid 5219] <... symlink resumed>) = 0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] close(29 [pid 3501] rmdir("./274" [pid 5220] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5219] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5218] close(6 [pid 5217] close(18 [pid 5216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 5220] <... symlink resumed>) = 0 [pid 5219] <... symlink resumed>) = 0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] exit_group(0 [pid 3501] mkdir("./275", 0777 [pid 5220] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5218] close(7 [pid 5217] close(19 [pid 5216] <... exit_group resumed>) = ? [pid 3501] <... mkdir resumed>) = 0 [pid 5220] <... symlink resumed>) = 0 [pid 5219] <... openat resumed>) = 3 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5216] +++ exited with 0 +++ [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] write(3, "1000", 4 [pid 5218] close(8 [pid 5217] close(20 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5221] set_robust_list(0x5555573195e0, 24 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... write resumed>) = 4 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 277 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] write(3, "1000", 4 [pid 5219] close(3 [pid 5218] close(9 [pid 5217] close(21 [pid 5221] chdir("./275" [pid 5220] <... write resumed>) = 4 [pid 5219] <... close resumed>) = 0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] <... chdir resumed>) = 0 [pid 5220] close(3 [pid 5219] read(200, [pid 5218] close(10 [pid 5217] close(22 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5220] <... close resumed>) = 0 [pid 5219] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5221] <... prctl resumed>) = 0 [pid 5220] read(200, [pid 5219] symlink("/dev/binderfs", "./binderfs" [pid 5218] close(11 [pid 5217] close(23 [pid 5221] setpgid(0, 0 [pid 5220] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5221] <... setpgid resumed>) = 0 [pid 5220] symlink("/dev/binderfs", "./binderfs" [pid 5219] <... symlink resumed>) = 0 [pid 5218] close(12 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5221] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5220] <... symlink resumed>) = 0 [pid 5219] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(24 [pid 3500] <... openat resumed>) = 3 [pid 5221] <... symlink resumed>) = 0 [pid 5219] <... 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 5218] close(13 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5220] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5221] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5219] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(25 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5221] <... symlink resumed>) = 0 [pid 5220] <... 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 5219] <... mmap resumed>) = 0x20002000 [pid 5218] close(14 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5221] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5220] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5219] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(26 [pid 5221] <... symlink resumed>) = 0 [pid 5220] <... mmap resumed>) = 0x20002000 [pid 5219] <... mmap resumed>) = 0x20000000 [pid 5218] close(15 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5220] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5219] close(3 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(27 [pid 3500] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] <... openat resumed>) = 3 [pid 5220] <... mmap resumed>) = 0x20000000 [pid 5218] close(16 [pid 5221] write(3, "1000", 4 [pid 5220] close(3 [pid 5219] <... close resumed>) = 0 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] <... write resumed>) = 4 [pid 5220] <... close resumed>) = 0 [pid 5218] close(17 [pid 5221] close(3 [pid 5220] close(4 [pid 5219] close(4 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(28 [pid 3500] lstat("./272/binderfs", [pid 5221] <... close resumed>) = 0 [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(18 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5221] read(200, [pid 5220] close(5 [pid 5219] close(5 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] close(29 [pid 5221] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(19 [pid 5217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./272/binderfs" [pid 5221] symlink("/dev/binderfs", "./binderfs" [pid 5220] close(6 [pid 5219] close(6 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5221] <... symlink resumed>) = 0 [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(20 [pid 5217] exit_group(0 [pid 5221] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5220] close(7 [pid 5219] close(7 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] <... exit_group resumed>) = ? [pid 3500] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] <... 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 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(21 [pid 5221] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5220] close(8 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] <... mmap resumed>) = 0x20002000 [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(8 [pid 5218] close(22 [pid 3500] lstat("./272/cgroup.net", [pid 5221] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5220] close(9 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] +++ exited with 0 +++ [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5221] <... mmap resumed>) = 0x20000000 [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(9 [pid 5218] close(23 [pid 5221] close(3 [pid 5220] close(10 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3500] unlink("./272/cgroup.net" [pid 5221] <... close resumed>) = 0 [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(24 [pid 5221] close(4 [pid 5220] close(11 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(10 [pid 3500] <... unlink resumed>) = 0 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(25 [pid 5221] close(5 [pid 5220] close(12 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(26 [pid 5219] close(11 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] close(6 [pid 5220] close(13 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(27 [pid 3500] lstat("./272/cgroup.cpu", [pid 5221] close(7 [pid 5220] close(14 [pid 5219] close(12 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(28 [pid 3502] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5221] close(8 [pid 5220] close(15 [pid 5219] close(13 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./272/cgroup.cpu" [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] close(29 [pid 3502] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5221] close(9 [pid 5220] close(16 [pid 5219] close(14 [pid 5218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] exit_group(0 [pid 3502] <... openat resumed>) = 3 [pid 5221] close(10 [pid 5220] close(17 [pid 5219] close(15 [pid 5218] <... exit_group resumed>) = ? [pid 3500] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] +++ exited with 0 +++ [pid 3502] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] close(11 [pid 5220] close(18 [pid 5219] close(16 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] lstat("./272/cgroup", [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] getdents64(3, [pid 5221] close(12 [pid 5220] close(19 [pid 5219] close(17 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3502] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./272/cgroup" [pid 5221] close(13 [pid 5220] close(20 [pid 5219] close(18 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./280/binderfs", [pid 3500] <... unlink resumed>) = 0 [pid 5221] close(14 [pid 5220] close(21 [pid 5219] close(19 [pid 3504] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] getdents64(3, [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./280/binderfs" [pid 5221] close(15 [pid 5220] close(22 [pid 5219] close(20 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 5219] close(21 [pid 3500] <... close resumed>) = 0 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./272" [pid 5219] close(22 [pid 3500] <... rmdir resumed>) = 0 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] mkdir("./273", 0777 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(23 [pid 3504] <... openat resumed>) = 3 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 5221] close(16 [pid 5220] close(23 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(24 [pid 3504] fstat(3, [pid 3502] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5222 attached [pid 5221] close(17 [pid 5220] close(24 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 275 [pid 5222] set_robust_list(0x5555573195e0, 24 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(25 [pid 3504] getdents64(3, [pid 3502] lstat("./280/cgroup.net", [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] close(18 [pid 5220] close(25 [pid 5219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] close(26) = -1 EBADF (Bad file descriptor) [pid 5219] close(27) = -1 EBADF (Bad file descriptor) [pid 5219] close(28) = -1 EBADF (Bad file descriptor) [pid 5219] close(29) = -1 EBADF (Bad file descriptor) [pid 5219] exit_group(0) = ? [pid 5222] chdir("./273" [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5222] <... chdir resumed>) = 0 [pid 5221] close(19 [pid 5220] close(26 [pid 3504] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./280/cgroup.net" [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5222] <... prctl resumed>) = 0 [pid 5221] close(20 [pid 5220] close(27 [pid 3504] lstat("./285/binderfs", [pid 3502] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5222] setpgid(0, 0 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] <... setpgid resumed>) = 0 [pid 5221] close(21 [pid 5220] close(28 [pid 3504] unlink("./285/binderfs" [pid 3503] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./280/cgroup.cpu", [pid 5222] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5222] <... symlink resumed>) = 0 [pid 5221] close(22 [pid 5220] close(29 [pid 3504] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] unlink("./280/cgroup.cpu" [pid 5222] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... openat resumed>) = 3 [pid 3502] <... unlink resumed>) = 0 [pid 5222] <... symlink resumed>) = 0 [pid 5221] close(23 [pid 5220] exit_group(0 [pid 3504] lstat("./285/cgroup.net", [pid 3503] fstat(3, [pid 3502] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5222] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] <... symlink resumed>) = 0 [pid 5221] close(24 [pid 5220] +++ exited with 0 +++ [pid 3504] unlink("./285/cgroup.net" [pid 3503] getdents64(3, [pid 3502] lstat("./280/cgroup", [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] <... openat resumed>) = 3 [pid 5221] close(25 [pid 3504] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./280/cgroup" [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5222] write(3, "1000", 4 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3499] <... restart_syscall resumed>) = 0 [pid 5222] <... write resumed>) = 4 [pid 5221] close(26 [pid 3504] lstat("./285/cgroup.cpu", [pid 3503] lstat("./283/binderfs", [pid 3502] getdents64(3, [pid 5222] close(3 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5222] <... close resumed>) = 0 [pid 5221] close(27 [pid 3504] unlink("./285/cgroup.cpu" [pid 3503] unlink("./283/binderfs" [pid 3502] close(3 [pid 3499] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5222] read(200, [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] close(28 [pid 3504] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] rmdir("./280" [pid 3499] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5222] symlink("/dev/binderfs", "./binderfs" [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... rmdir resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5222] <... symlink resumed>) = 0 [pid 5221] close(29 [pid 3504] lstat("./285/cgroup", [pid 3503] lstat("./283/cgroup.net", [pid 3502] mkdir("./281", 0777 [pid 3499] fstat(3, [pid 5222] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... 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] <... mkdir resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5222] <... 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 5221] exit_group(0 [pid 3504] unlink("./285/cgroup" [pid 3503] unlink("./283/cgroup.net" [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] getdents64(3, [pid 5222] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5221] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 5222] <... mmap resumed>) = 0x20002000 [pid 3504] getdents64(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5224 attached [pid 5222] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5221] +++ exited with 0 +++ [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 283 [pid 3499] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5224] set_robust_list(0x5555573195e0, 24 [pid 5222] <... mmap resumed>) = 0x20000000 [pid 3504] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... set_robust_list resumed>) = 0 [pid 5222] close(3 [pid 3504] <... close resumed>) = 0 [pid 3503] lstat("./283/cgroup.cpu", [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] <... close resumed>) = 0 [pid 3504] rmdir("./285" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5224] chdir("./281" [pid 5222] close(4 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] unlink("./283/cgroup.cpu" [pid 3499] lstat("./267/binderfs", [pid 5224] <... chdir resumed>) = 0 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./286", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 5222] close(5 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./267/binderfs" [pid 5224] <... prctl resumed>) = 0 [pid 5222] close(6 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5224] setpgid(0, 0 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5225 attached [pid 3503] lstat("./283/cgroup", [pid 5225] set_robust_list(0x5555573195e0, 24 [pid 5224] <... setpgid resumed>) = 0 [pid 5222] close(7 [pid 3499] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5225] <... set_robust_list resumed>) = 0 [pid 5224] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 288 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5225] chdir("./286" [pid 5224] <... symlink resumed>) = 0 [pid 5222] close(8 [pid 3503] unlink("./283/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... chdir resumed>) = 0 [pid 5224] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] lstat("./267/cgroup.net", [pid 5224] <... symlink resumed>) = 0 [pid 5222] close(9 [pid 3503] getdents64(3, [pid 3501] <... openat resumed>) = 3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5224] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] fstat(3, [pid 3499] unlink("./267/cgroup.net" [pid 5225] <... prctl resumed>) = 0 [pid 5224] <... symlink resumed>) = 0 [pid 5222] close(10 [pid 3503] close(3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5225] setpgid(0, 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5225] <... setpgid resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5222] close(11 [pid 3503] rmdir("./283" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5224] write(3, "1000", 4 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3501] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./267/cgroup.cpu", [pid 5225] <... symlink resumed>) = 0 [pid 5224] <... write resumed>) = 4 [pid 5222] close(12 [pid 3503] mkdir("./284", 0777 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5225] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5224] close(3 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3501] lstat("./275/binderfs", [pid 3499] unlink("./267/cgroup.cpu" [pid 5225] <... symlink resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5222] close(13 [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 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5226 attached [pid 5225] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5224] read(200, [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./275/binderfs" [pid 3499] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5226] set_robust_list(0x5555573195e0, 24 [pid 5225] <... symlink resumed>) = 0 [pid 5224] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] close(14 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 286 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... set_robust_list resumed>) = 0 [pid 5224] symlink("/dev/binderfs", "./binderfs" [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3499] lstat("./267/cgroup", [pid 5226] chdir("./284" [pid 5225] <... openat resumed>) = 3 [pid 5224] <... symlink resumed>) = 0 [pid 5222] close(15 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5226] <... chdir resumed>) = 0 [pid 5225] write(3, "1000", 4 [pid 5224] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./275/cgroup.net", [pid 3499] unlink("./267/cgroup" [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] <... write resumed>) = 4 [pid 5224] <... 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 5222] close(16 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5226] <... prctl resumed>) = 0 [pid 5225] close(3 [pid 5224] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./275/cgroup.net" [pid 3499] getdents64(3, [pid 5226] setpgid(0, 0 [pid 5224] <... mmap resumed>) = 0x20002000 [pid 5222] close(17 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5226] <... setpgid resumed>) = 0 [pid 5224] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] close(3 [pid 5226] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5224] <... mmap resumed>) = 0x20000000 [pid 5222] close(18 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 5226] <... symlink resumed>) = 0 [pid 5224] close(3 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./275/cgroup.cpu", [pid 3499] rmdir("./267" [pid 5226] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5225] <... close resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5222] close(19 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5226] <... symlink resumed>) = 0 [pid 5225] read(200, [pid 5224] close(4 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./275/cgroup.cpu" [pid 3499] mkdir("./268", 0777 [pid 5226] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5225] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(20 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5226] <... symlink resumed>) = 0 [pid 5225] symlink("/dev/binderfs", "./binderfs" [pid 5224] close(5 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] <... symlink resumed>) = 0 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(21 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5227 attached [pid 5226] <... openat resumed>) = 3 [pid 5225] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5224] close(6 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./275/cgroup", [pid 5227] set_robust_list(0x5555573195e0, 24 [pid 5226] write(3, "1000", 4 [pid 5225] <... 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 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(22 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 270 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5226] <... write resumed>) = 4 [pid 5225] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5224] close(7 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./275/cgroup" [pid 5227] chdir("./268" [pid 5226] close(3 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(23 [pid 3501] <... unlink resumed>) = 0 [pid 5227] <... chdir resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] close(8 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] read(200, [pid 5225] <... mmap resumed>) = 0x20002000 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(24 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5227] <... prctl resumed>) = 0 [pid 5226] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5224] close(9 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 5227] setpgid(0, 0 [pid 5226] symlink("/dev/binderfs", "./binderfs" [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(25 [pid 3501] <... close resumed>) = 0 [pid 5227] <... setpgid resumed>) = 0 [pid 5226] <... symlink resumed>) = 0 [pid 5225] <... mmap resumed>) = 0x20000000 [pid 5224] close(10 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./275" [pid 5227] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5226] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5225] close(3 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(26 [pid 3501] <... rmdir resumed>) = 0 [pid 5227] <... symlink resumed>) = 0 [pid 5226] <... 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 5225] <... close resumed>) = 0 [pid 5224] close(11 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./276", 0777 [pid 5227] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5226] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5225] close(4 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(27 [pid 3501] <... mkdir resumed>) = 0 [pid 5227] <... symlink resumed>) = 0 [pid 5226] <... mmap resumed>) = 0x20002000 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] close(12 [pid 5222] <... 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 5228 attached [pid 5227] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5226] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5225] close(5 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(28 [pid 5228] set_robust_list(0x5555573195e0, 24 [pid 5227] <... symlink resumed>) = 0 [pid 5226] <... mmap resumed>) = 0x20000000 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] close(13 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 278 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] close(3 [pid 5225] close(6 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] close(29 [pid 5228] chdir("./276" [pid 5227] <... openat resumed>) = 3 [pid 5226] <... close resumed>) = 0 [pid 5224] close(14 [pid 5222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] <... chdir resumed>) = 0 [pid 5227] write(3, "1000", 4 [pid 5226] close(4 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5222] exit_group(0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] <... write resumed>) = 4 [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(7 [pid 5224] close(15 [pid 5222] <... exit_group resumed>) = ? [pid 5228] <... prctl resumed>) = 0 [pid 5227] close(3 [pid 5226] close(5 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] setpgid(0, 0 [pid 5227] <... close resumed>) = 0 [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(8 [pid 5224] close(16 [pid 5222] +++ exited with 0 +++ [pid 5228] <... setpgid resumed>) = 0 [pid 5227] read(200, [pid 5226] close(6 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5227] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] close(17 [pid 5227] symlink("/dev/binderfs", "./binderfs" [pid 5226] close(7 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5227] <... symlink resumed>) = 0 [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(9 [pid 5224] close(18 [pid 5228] <... symlink resumed>) = 0 [pid 5227] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5226] close(8 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5227] <... 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 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(10 [pid 5224] close(19 [pid 5227] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5226] close(9 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] <... symlink resumed>) = 0 [pid 5227] <... mmap resumed>) = 0x20002000 [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(11 [pid 5224] close(20 [pid 5227] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5226] close(10 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5227] <... mmap resumed>) = 0x20000000 [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] close(21 [pid 5228] <... symlink resumed>) = 0 [pid 5227] close(3 [pid 5226] close(11 [pid 5225] close(12 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] <... close resumed>) = 0 [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] close(22 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... openat resumed>) = 3 [pid 5227] close(4 [pid 5226] close(12 [pid 5225] close(13 [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] close(23 [pid 5228] write(3, "1000", 4 [pid 5227] close(5 [pid 5226] close(13 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... write resumed>) = 4 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(14 [pid 5224] close(24 [pid 5228] close(3 [pid 5227] close(6 [pid 5226] close(14 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... openat resumed>) = 3 [pid 5228] <... close resumed>) = 0 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(15 [pid 5224] close(25 [pid 5228] read(200, [pid 5227] close(7 [pid 5226] close(15 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5228] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(16 [pid 5224] close(26 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs" [pid 5227] close(8 [pid 5226] close(16 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5228] <... symlink resumed>) = 0 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(17 [pid 5224] close(27 [pid 3500] getdents64(3, [pid 5228] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5227] close(9 [pid 5226] close(17 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5228] <... 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 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(18 [pid 5224] close(28 [pid 3500] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5228] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5227] close(10 [pid 5226] close(18 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... mmap resumed>) = 0x20002000 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(19 [pid 5224] close(29 [pid 3500] lstat("./273/binderfs", [pid 5228] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5227] close(11 [pid 5226] close(19 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5228] <... mmap resumed>) = 0x20000000 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(20 [pid 5224] exit_group(0 [pid 5228] close(3 [pid 5227] close(12 [pid 5226] close(20 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5224] <... exit_group resumed>) = ? [pid 3500] unlink("./273/binderfs" [pid 5228] <... close resumed>) = 0 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(21 [pid 3500] <... unlink resumed>) = 0 [pid 5228] close(4 [pid 5227] close(13 [pid 5226] close(21 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(22 [pid 5224] +++ exited with 0 +++ [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] close(5 [pid 5227] close(14 [pid 5226] close(22 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./273/cgroup.net", [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(23 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5228] close(6 [pid 5227] close(15 [pid 5226] close(23 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3500] unlink("./273/cgroup.net" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(24 [pid 3502] <... restart_syscall resumed>) = 0 [pid 5228] close(7 [pid 5227] close(16 [pid 5226] close(24 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(25 [pid 3500] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5228] close(8 [pid 5227] close(17 [pid 5226] close(25 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(26 [pid 5228] close(9 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./273/cgroup.cpu", [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] close(27 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5228] close(10 [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] unlink("./273/cgroup.cpu" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(18 [pid 5226] close(26 [pid 5225] close(28 [pid 3502] <... openat resumed>) = 3 [pid 3500] <... unlink resumed>) = 0 [pid 5228] close(11 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 3500] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(19 [pid 5226] close(27 [pid 5225] close(29 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] close(12 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3500] lstat("./273/cgroup", [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(20 [pid 5226] close(28 [pid 5225] exit_group(0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5228] close(13 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5225] <... exit_group resumed>) = ? [pid 3502] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./273/cgroup" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(21 [pid 5226] close(29 [pid 5225] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 5228] close(14 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3502] lstat("./281/binderfs", [pid 3500] getdents64(3, [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(22 [pid 5226] exit_group(0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5228] close(15 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] <... exit_group resumed>) = ? [pid 3502] unlink("./281/binderfs" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(23 [pid 3502] <... unlink resumed>) = 0 [pid 3500] close(3 [pid 5228] close(16 [pid 3502] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... close resumed>) = 0 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] rmdir("./273" [pid 5228] close(17 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5226] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./281/cgroup.net", [pid 3500] <... rmdir resumed>) = 0 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(24 [pid 3504] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] mkdir("./274", 0777 [pid 5228] close(18 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] unlink("./281/cgroup.net" [pid 3500] <... mkdir resumed>) = 0 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(25 [pid 3504] fstat(3, [pid 3503] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached [pid 5228] close(19 [pid 5227] <... 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 3502] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] set_robust_list(0x5555573195e0, 24 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(26 [pid 3504] getdents64(3, [pid 3503] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 276 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5228] close(20 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... openat resumed>) = 3 [pid 3502] lstat("./281/cgroup.cpu", [pid 5230] chdir("./274" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(27 [pid 3504] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] fstat(3, [pid 5230] <... chdir resumed>) = 0 [pid 5228] close(21 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] unlink("./281/cgroup.cpu" [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(28 [pid 3504] lstat("./286/binderfs", [pid 3503] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 5230] <... prctl resumed>) = 0 [pid 5228] close(22 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] setpgid(0, 0 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] close(29 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] <... setpgid resumed>) = 0 [pid 5228] close(23 [pid 5227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./286/binderfs" [pid 3503] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./281/cgroup", [pid 5230] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5230] <... symlink resumed>) = 0 [pid 5228] close(24 [pid 5227] <... exit_group resumed>) = ? [pid 3504] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./284/binderfs", [pid 3502] unlink("./281/cgroup" [pid 5230] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] lstat("./286/cgroup.net", [pid 3503] unlink("./284/binderfs" [pid 3502] <... unlink resumed>) = 0 [pid 5230] <... symlink resumed>) = 0 [pid 5228] close(25 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5230] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./286/cgroup.net" [pid 3503] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5230] <... symlink resumed>) = 0 [pid 5228] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] close(3 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./284/cgroup.net", [pid 3502] <... close resumed>) = 0 [pid 3499] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] <... openat resumed>) = 3 [pid 5228] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] rmdir("./281" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] write(3, "1000", 4 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./286/cgroup.cpu", [pid 3503] unlink("./284/cgroup.net" [pid 3502] <... rmdir resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5230] <... write resumed>) = 4 [pid 5228] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] mkdir("./282", 0777 [pid 3499] <... openat resumed>) = 3 [pid 5230] close(3 [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5230] <... close resumed>) = 0 [pid 5228] close(29 [pid 3504] unlink("./286/cgroup.cpu" [pid 3503] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... mkdir resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5230] read(200, [pid 5228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5231 attached [pid 5230] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] exit_group(0 [pid 3504] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./284/cgroup.cpu", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5231] set_robust_list(0x5555573195e0, 24 [pid 5230] symlink("/dev/binderfs", "./binderfs" [pid 5228] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 284 [pid 5231] <... set_robust_list resumed>) = 0 [pid 3504] lstat("./286/cgroup", [pid 3503] unlink("./284/cgroup.cpu" [pid 3499] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5231] chdir("./282" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 5231] <... chdir resumed>) = 0 [pid 5230] <... symlink resumed>) = 0 [pid 3504] unlink("./286/cgroup" [pid 3503] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5230] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./268/binderfs", [pid 5231] <... prctl resumed>) = 0 [pid 5228] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3503] lstat("./284/cgroup", [pid 5230] <... 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 5231] setpgid(0, 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5230] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5231] <... setpgid resumed>) = 0 [pid 5230] <... mmap resumed>) = 0x20002000 [pid 3504] close(3 [pid 3503] unlink("./284/cgroup" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5231] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5230] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... close resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./268/binderfs" [pid 5231] <... symlink resumed>) = 0 [pid 5230] <... mmap resumed>) = 0x20000000 [pid 3504] rmdir("./286" [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5230] close(3 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... unlink resumed>) = 0 [pid 5231] <... symlink resumed>) = 0 [pid 5230] <... close resumed>) = 0 [pid 3504] mkdir("./287", 0777 [pid 3503] close(3 [pid 3501] <... openat resumed>) = 3 [pid 5231] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5230] close(4 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3501] fstat(3, [pid 3499] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5231] <... symlink resumed>) = 0 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] rmdir("./284" [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5232 attached [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] close(5 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5232] set_robust_list(0x5555573195e0, 24 [pid 5231] <... openat resumed>) = 3 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 289 [pid 3503] mkdir("./285", 0777 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./268/cgroup.net", [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] write(3, "1000", 4 [pid 5230] close(6 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5232] chdir("./287" [pid 5231] <... write resumed>) = 4 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3501] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./268/cgroup.net" [pid 5232] <... chdir resumed>) = 0 [pid 5231] close(3 [pid 5230] close(7 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5231] <... close resumed>) = 0 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5233 attached [pid 5232] <... prctl resumed>) = 0 [pid 5230] close(8 [pid 5231] read(200, [pid 3501] lstat("./276/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5233] set_robust_list(0x5555573195e0, 24 [pid 5232] setpgid(0, 0 [pid 5231] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 287 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./268/cgroup.cpu", [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] <... setpgid resumed>) = 0 [pid 5231] symlink("/dev/binderfs", "./binderfs" [pid 5230] close(9 [pid 3501] unlink("./276/binderfs" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5233] chdir("./285" [pid 5232] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5231] <... symlink resumed>) = 0 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./268/cgroup.cpu" [pid 5233] <... chdir resumed>) = 0 [pid 5232] <... symlink resumed>) = 0 [pid 5231] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5230] close(10 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5232] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5233] <... prctl resumed>) = 0 [pid 5232] <... symlink resumed>) = 0 [pid 5231] <... 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 5230] close(11 [pid 3501] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5233] setpgid(0, 0 [pid 5232] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5231] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./268/cgroup", [pid 5233] <... setpgid resumed>) = 0 [pid 5232] <... symlink resumed>) = 0 [pid 5231] <... mmap resumed>) = 0x20002000 [pid 5230] close(12 [pid 3501] lstat("./276/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./268/cgroup" [pid 5233] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5232] <... openat resumed>) = 3 [pid 5231] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5230] close(13 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5232] write(3, "1000", 4 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5233] <... symlink resumed>) = 0 [pid 5232] <... write resumed>) = 4 [pid 5231] <... mmap resumed>) = 0x20000000 [pid 5230] close(14 [pid 3501] unlink("./276/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5233] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5232] close(3 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5233] <... symlink resumed>) = 0 [pid 5232] <... close resumed>) = 0 [pid 5231] close(3 [pid 5230] close(15 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5233] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5232] read(200, [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./268" [pid 5231] <... close resumed>) = 0 [pid 5232] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] close(16 [pid 3501] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5233] <... symlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5232] symlink("/dev/binderfs", "./binderfs" [pid 5231] close(4 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./269", 0777 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5232] <... symlink resumed>) = 0 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] close(17 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... mkdir resumed>) = 0 [pid 5233] <... openat resumed>) = 3 [pid 5232] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5230] <... 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 5234 attached [pid 5233] write(3, "1000", 4 [pid 5232] <... 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 5231] close(5 [pid 5230] close(18 [pid 3501] lstat("./276/cgroup.cpu", [pid 5234] set_robust_list(0x5555573195e0, 24 [pid 5233] <... write resumed>) = 4 [pid 5232] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 271 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] close(3 [pid 5232] <... mmap resumed>) = 0x20002000 [pid 5231] close(6 [pid 5230] close(19 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5234] chdir("./269" [pid 5233] <... close resumed>) = 0 [pid 5232] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... chdir resumed>) = 0 [pid 5233] read(200, [pid 5232] <... mmap resumed>) = 0x20000000 [pid 5231] close(7 [pid 5230] close(20 [pid 3501] unlink("./276/cgroup.cpu" [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] close(3 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... prctl resumed>) = 0 [pid 5233] symlink("/dev/binderfs", "./binderfs" [pid 5232] <... close resumed>) = 0 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] close(21 [pid 3501] <... unlink resumed>) = 0 [pid 5234] setpgid(0, 0 [pid 5233] <... symlink resumed>) = 0 [pid 5232] close(4 [pid 5231] close(8 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5234] <... setpgid resumed>) = 0 [pid 5233] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] close(22 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5233] <... 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 5232] close(5 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... symlink resumed>) = 0 [pid 5233] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(9 [pid 5230] close(23 [pid 3501] lstat("./276/cgroup", [pid 5234] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5233] <... mmap resumed>) = 0x20002000 [pid 5232] close(6 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... symlink resumed>) = 0 [pid 5233] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(10 [pid 5230] close(24 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5234] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5233] <... mmap resumed>) = 0x20000000 [pid 5232] close(7 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... symlink resumed>) = 0 [pid 5233] close(3 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(11 [pid 5230] close(25 [pid 3501] unlink("./276/cgroup" [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5233] <... close resumed>) = 0 [pid 5232] close(8 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... openat resumed>) = 3 [pid 5233] close(4 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(12 [pid 5230] close(26 [pid 3501] <... unlink resumed>) = 0 [pid 5234] write(3, "1000", 4 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(9 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5234] <... write resumed>) = 4 [pid 5233] close(5 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(13 [pid 5230] close(27 [pid 5234] close(3 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(10 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5234] <... close resumed>) = 0 [pid 5233] close(6 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(14 [pid 5230] close(28 [pid 3501] close(3 [pid 5234] read(200, [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(11 [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] close(7 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(15 [pid 5230] close(29 [pid 3501] <... close resumed>) = 0 [pid 5234] symlink("/dev/binderfs", "./binderfs" [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(12 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./276" [pid 5234] <... symlink resumed>) = 0 [pid 5233] close(8 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(16 [pid 5230] exit_group(0 [pid 5234] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(13 [pid 5230] <... exit_group resumed>) = ? [pid 3501] <... rmdir resumed>) = 0 [pid 5234] <... 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 5233] close(9 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] +++ exited with 0 +++ [pid 5234] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(14 [pid 5231] close(17 [pid 3501] mkdir("./277", 0777 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5234] <... mmap resumed>) = 0x20002000 [pid 5233] close(10 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 5234] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(15 [pid 5234] <... mmap resumed>) = 0x20000000 [pid 5233] close(11 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5234] close(3 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(16 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] <... close resumed>) = 0 [pid 5233] close(12 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5234] close(4 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(17 [pid 3500] <... openat resumed>) = 3 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(13 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(18 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] fstat(3, [pid 5234] close(5 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(18 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(14 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, ./strace-static-x86_64: Process 5235 attached [pid 5234] close(6 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(19 [pid 5231] close(19 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5235] set_robust_list(0x5555573195e0, 24 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(15 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 279 [pid 3500] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] close(7 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(20 [pid 5231] close(20 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5235] chdir("./277" [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(16 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./274/binderfs", [pid 5235] <... chdir resumed>) = 0 [pid 5234] close(8 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(21 [pid 5231] close(21 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(17 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./274/binderfs" [pid 5235] <... prctl resumed>) = 0 [pid 5234] close(9 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(22 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5235] setpgid(0, 0 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(18 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(22 [pid 3500] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] <... setpgid resumed>) = 0 [pid 5234] close(10 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(23 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] close(23 [pid 5235] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] close(19 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./274/cgroup.net", [pid 5235] <... symlink resumed>) = 0 [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(24 [pid 5231] close(24 [pid 5235] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5234] close(11 [pid 5233] close(20 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5235] <... symlink resumed>) = 0 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(25 [pid 5231] close(25 [pid 5235] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5234] close(12 [pid 5233] close(21 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./274/cgroup.net" [pid 5235] <... symlink resumed>) = 0 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(26 [pid 5231] close(26 [pid 3500] <... unlink resumed>) = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] close(13 [pid 5233] close(22 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] <... openat resumed>) = 3 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(27 [pid 5231] close(27 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5235] write(3, "1000", 4 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5235] <... write resumed>) = 4 [pid 5234] close(14 [pid 5233] close(23 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(28 [pid 3500] lstat("./274/cgroup.cpu", [pid 5235] close(3 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(28 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5235] <... close resumed>) = 0 [pid 5234] close(15 [pid 5233] close(24 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] close(29 [pid 3500] unlink("./274/cgroup.cpu" [pid 5235] read(200, [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] close(29 [pid 5231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5235] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] close(16 [pid 5233] close(25 [pid 5232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5231] exit_group(0 [pid 3500] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] symlink("/dev/binderfs", "./binderfs" [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] exit_group(0 [pid 5231] <... exit_group resumed>) = ? [pid 5235] <... symlink resumed>) = 0 [pid 5234] close(17 [pid 5233] close(26 [pid 5232] <... exit_group resumed>) = ? [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5235] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 3500] lstat("./274/cgroup", [pid 5235] <... 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] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5234] close(18 [pid 5233] close(27 [pid 3504] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5235] <... mmap resumed>) = 0x20002000 [pid 5234] close(19 [pid 5233] close(28 [pid 3504] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] unlink("./274/cgroup" [pid 5235] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5235] <... mmap resumed>) = 0x20000000 [pid 5234] close(20 [pid 5233] close(29 [pid 3504] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5235] close(3 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5235] <... close resumed>) = 0 [pid 5233] exit_group(0 [pid 3504] getdents64(3, [pid 5235] close(4 [pid 5234] close(21 [pid 5233] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... openat resumed>) = 3 [pid 3500] close(3 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5235] close(5 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./287/binderfs", [pid 3502] fstat(3, [pid 3500] <... close resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] close(22 [pid 5233] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] rmdir("./274" [pid 5235] close(6 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./287/binderfs" [pid 3502] getdents64(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3504] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5235] close(7 [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./287/cgroup.net", [pid 3503] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... rmdir resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... openat resumed>) = 3 [pid 3502] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] close(8 [pid 3504] unlink("./287/cgroup.net" [pid 3503] fstat(3, [pid 3500] mkdir("./275", 0777 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5235] close(9 [pid 5234] close(25 [pid 3504] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./282/binderfs", [pid 3500] <... mkdir resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5235] close(10 [pid 5234] close(26 [pid 3504] lstat("./287/cgroup.cpu", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] unlink("./282/binderfs"./strace-static-x86_64: Process 5236 attached [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 5236] set_robust_list(0x5555573195e0, 24 [pid 5235] close(11 [pid 5234] close(27 [pid 3504] unlink("./287/cgroup.cpu" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] <... set_robust_list resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./285/binderfs", [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 277 [pid 5236] chdir("./275" [pid 5235] close(12 [pid 5234] close(28 [pid 3504] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5236] <... chdir resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./285/binderfs" [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] close(13 [pid 5234] close(29 [pid 3504] lstat("./287/cgroup", [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./282/cgroup.net", [pid 5236] <... prctl resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] setpgid(0, 0 [pid 5235] close(14 [pid 5234] exit_group(0 [pid 3504] unlink("./287/cgroup" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5236] <... setpgid resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./285/cgroup.net", [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./282/cgroup.net" [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] unlink("./285/cgroup.net" [pid 3504] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3503] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] rmdir("./287" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5236] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5235] close(15 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] lstat("./285/cgroup.cpu", [pid 3502] <... unlink resumed>) = 0 [pid 5236] <... symlink resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./288", 0777 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5235] close(16 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] unlink("./285/cgroup.cpu" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... unlink resumed>) = 0 [pid 5236] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5237 attached [pid 5235] close(17 [pid 5234] +++ exited with 0 +++ [pid 3503] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./282/cgroup.cpu", [pid 5237] set_robust_list(0x5555573195e0, 24 [pid 5236] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 290 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] <... symlink resumed>) = 0 [pid 5235] close(18 [pid 3503] lstat("./285/cgroup", [pid 3502] unlink("./282/cgroup.cpu" [pid 5237] chdir("./288" [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5237] <... chdir resumed>) = 0 [pid 5236] <... openat resumed>) = 3 [pid 3503] unlink("./285/cgroup" [pid 5235] close(19 [pid 3502] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5236] write(3, "1000", 4 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... prctl resumed>) = 0 [pid 5236] <... write resumed>) = 4 [pid 5235] close(20 [pid 3503] getdents64(3, [pid 3502] lstat("./282/cgroup", [pid 5237] setpgid(0, 0 [pid 5236] close(3 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5237] <... setpgid resumed>) = 0 [pid 5236] <... close resumed>) = 0 [pid 5235] close(21 [pid 3503] close(3 [pid 3502] unlink("./282/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... close resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5236] read(200, [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./285" [pid 3502] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] fstat(3, [pid 3503] mkdir("./286", 0777 [pid 3502] close(3 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5237] <... symlink resumed>) = 0 [pid 5236] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] close(22 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3499] getdents64(3, [pid 5237] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5236] symlink("/dev/binderfs", "./binderfs" [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] rmdir("./282" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5238 attached [pid 5237] <... symlink resumed>) = 0 [pid 5236] <... symlink resumed>) = 0 [pid 5235] close(23 [pid 3502] <... rmdir resumed>) = 0 [pid 3499] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5238] set_robust_list(0x5555573195e0, 24 [pid 5237] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5236] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 288 [pid 3502] mkdir("./283", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] <... symlink resumed>) = 0 [pid 5236] <... 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 5235] close(24 [pid 3502] <... mkdir resumed>) = 0 [pid 3499] lstat("./269/binderfs", [pid 5238] chdir("./286" [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached [pid 5238] <... chdir resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5236] <... mmap resumed>) = 0x20002000 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5239] set_robust_list(0x5555573195e0, 24 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] write(3, "1000", 4 [pid 5236] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5235] close(25 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 285 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5238] <... prctl resumed>) = 0 [pid 5237] <... write resumed>) = 4 [pid 5236] <... mmap resumed>) = 0x20000000 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./269/binderfs" [pid 5239] chdir("./283" [pid 5238] setpgid(0, 0 [pid 5237] close(3 [pid 5236] close(3 [pid 5235] close(26 [pid 5239] <... chdir resumed>) = 0 [pid 5238] <... setpgid resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5236] <... close resumed>) = 0 [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5237] read(200, [pid 5236] close(4 [pid 5239] <... prctl resumed>) = 0 [pid 5238] <... symlink resumed>) = 0 [pid 5237] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] close(27 [pid 3499] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5239] setpgid(0, 0 [pid 5238] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5237] symlink("/dev/binderfs", "./binderfs" [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... setpgid resumed>) = 0 [pid 5238] <... symlink resumed>) = 0 [pid 5237] <... symlink resumed>) = 0 [pid 5236] close(5 [pid 5235] close(28 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5238] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5237] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... symlink resumed>) = 0 [pid 5238] <... symlink resumed>) = 0 [pid 5237] <... 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 5236] close(6 [pid 5235] close(29 [pid 3499] lstat("./269/cgroup.net", [pid 5239] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5239] <... symlink resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... mmap resumed>) = 0x20002000 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5239] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5238] write(3, "1000", 4 [pid 5237] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5236] close(7 [pid 5235] exit_group(0 [pid 5239] <... symlink resumed>) = 0 [pid 5238] <... write resumed>) = 4 [pid 5237] <... mmap resumed>) = 0x20000000 [pid 3499] unlink("./269/cgroup.net" [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] close(3 [pid 5237] close(3 [pid 5239] <... openat resumed>) = 3 [pid 5238] <... close resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5235] <... exit_group resumed>) = ? [pid 3499] <... unlink resumed>) = 0 [pid 5239] write(3, "1000", 4 [pid 5238] read(200, [pid 5237] close(4 [pid 5236] close(8 [pid 5239] <... write resumed>) = 4 [pid 5238] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] close(3 [pid 5238] symlink("/dev/binderfs", "./binderfs" [pid 5237] close(5 [pid 5239] <... close resumed>) = 0 [pid 5238] <... symlink resumed>) = 0 [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5235] +++ exited with 0 +++ [pid 3499] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5239] read(200, [pid 5238] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5237] close(6 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5239] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... 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 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] symlink("/dev/binderfs", "./binderfs" [pid 5238] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5237] close(7 [pid 5236] close(9 [pid 3499] lstat("./269/cgroup.cpu", [pid 5239] <... symlink resumed>) = 0 [pid 5238] <... mmap resumed>) = 0x20002000 [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5239] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5238] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5237] close(8 [pid 5236] close(10 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5239] <... 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 5238] <... mmap resumed>) = 0x20000000 [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5239] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5238] close(3 [pid 5237] close(9 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 5239] <... mmap resumed>) = 0x20002000 [pid 5238] <... close resumed>) = 0 [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 5239] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5238] close(4 [pid 5237] close(10 [pid 5236] close(11 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] unlink("./269/cgroup.cpu" [pid 5239] <... mmap resumed>) = 0x20000000 [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5239] close(3 [pid 5238] close(5 [pid 5237] close(11 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5239] <... close resumed>) = 0 [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(12 [pid 3501] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5239] close(4 [pid 5238] close(6 [pid 5237] close(12 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./277/binderfs", [pid 3499] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5239] close(5 [pid 5238] close(7 [pid 5237] close(13 [pid 5236] close(13 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./277/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] close(6 [pid 5238] close(8 [pid 5237] close(14 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(14 [pid 3501] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./269/cgroup", [pid 5239] close(7 [pid 5238] close(9 [pid 5237] close(15 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./277/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5239] close(8 [pid 5238] close(10 [pid 5237] close(16 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(15 [pid 3501] unlink("./277/cgroup.net" [pid 3499] unlink("./269/cgroup" [pid 5239] close(9 [pid 5238] close(11 [pid 5237] close(17 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(16 [pid 3501] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5239] close(10 [pid 5238] close(12 [pid 5237] close(18 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(17 [pid 3501] lstat("./277/cgroup.cpu", [pid 3499] getdents64(3, [pid 5239] close(11 [pid 5238] close(13 [pid 5237] close(19 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(18 [pid 3501] unlink("./277/cgroup.cpu" [pid 3499] close(3 [pid 5239] close(12 [pid 5238] close(14 [pid 5237] close(20 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(19 [pid 3501] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... close resumed>) = 0 [pid 5239] close(13 [pid 5238] close(15 [pid 5237] close(21 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] rmdir("./269" [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(20 [pid 3501] lstat("./277/cgroup", [pid 5239] close(14 [pid 5238] close(16 [pid 5237] close(22 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(21 [pid 3501] unlink("./277/cgroup" [pid 5239] close(15 [pid 5238] close(17 [pid 5237] close(23 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] mkdir("./270", 0777 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] close(22 [pid 3501] getdents64(3, [pid 5239] close(16 [pid 5238] close(18 [pid 5237] close(24 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 5236] close(23 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5239] close(17 [pid 5238] close(19 [pid 5237] close(25 [pid 3501] <... close resumed>) = 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./277"./strace-static-x86_64: Process 5240 attached [pid 5239] close(18 [pid 5238] close(20 [pid 5237] close(26 [pid 5236] close(24 [pid 3501] <... rmdir resumed>) = 0 [pid 5240] set_robust_list(0x5555573195e0, 24 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./278", 0777 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 272 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5239] close(19 [pid 5238] close(21 [pid 5237] close(27 [pid 3501] <... mkdir resumed>) = 0 [pid 5240] chdir("./270" [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... 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 5241 attached [pid 5240] <... chdir resumed>) = 0 [pid 5239] close(20 [pid 5238] close(22 [pid 5237] close(28 [pid 5241] set_robust_list(0x5555573195e0, 24 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 280 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5240] <... prctl resumed>) = 0 [pid 5239] close(21 [pid 5238] close(23 [pid 5237] close(29 [pid 5236] close(25 [pid 5241] chdir("./278" [pid 5240] setpgid(0, 0 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... chdir resumed>) = 0 [pid 5240] <... setpgid resumed>) = 0 [pid 5239] close(22 [pid 5238] close(24 [pid 5237] exit_group(0 [pid 5236] close(26 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... exit_group resumed>) = ? [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... prctl resumed>) = 0 [pid 5240] <... symlink resumed>) = 0 [pid 5239] close(23 [pid 5238] close(25 [pid 5237] +++ exited with 0 +++ [pid 5236] close(27 [pid 5241] setpgid(0, 0 [pid 5240] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... setpgid resumed>) = 0 [pid 5240] <... symlink resumed>) = 0 [pid 5239] close(24 [pid 5238] close(26 [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5240] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... symlink resumed>) = 0 [pid 5240] <... symlink resumed>) = 0 [pid 5239] close(25 [pid 5238] close(27 [pid 5236] close(28 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5241] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... symlink resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5239] close(26 [pid 5238] close(28 [pid 5236] close(29 [pid 5241] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5240] write(3, "1000", 4 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... symlink resumed>) = 0 [pid 5240] <... write resumed>) = 4 [pid 5239] close(27 [pid 5238] close(29 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] close(3 [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5236] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... openat resumed>) = 3 [pid 5240] <... close resumed>) = 0 [pid 5239] close(28 [pid 5238] exit_group(0 [pid 5236] <... exit_group resumed>) = ? [pid 3504] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5241] write(3, "1000", 4 [pid 5240] read(200, [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... exit_group resumed>) = ? [pid 5241] <... write resumed>) = 4 [pid 5240] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] close(29 [pid 5238] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 3504] <... openat resumed>) = 3 [pid 5241] close(3 [pid 5240] symlink("/dev/binderfs", "./binderfs" [pid 5239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5241] <... close resumed>) = 0 [pid 5240] <... symlink resumed>) = 0 [pid 5239] exit_group(0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5241] read(200, [pid 5240] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5239] <... exit_group resumed>) = ? [pid 3500] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] <... 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] fstat(3, [pid 5241] symlink("/dev/binderfs", "./binderfs" [pid 5240] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... symlink resumed>) = 0 [pid 5240] <... mmap resumed>) = 0x20002000 [pid 5239] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 5241] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5240] 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 3500] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5241] <... 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 5240] <... mmap resumed>) = 0x20000000 [pid 3504] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] <... openat resumed>) = 3 [pid 5241] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5240] close(3 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] fstat(3, [pid 5241] <... mmap resumed>) = 0x20002000 [pid 5240] <... close resumed>) = 0 [pid 3504] lstat("./288/binderfs", [pid 3503] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5241] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5240] close(4 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... openat resumed>) = 3 [pid 3502] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5241] <... mmap resumed>) = 0x20000000 [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./288/binderfs" [pid 3503] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5241] close(3 [pid 5240] close(5 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... close resumed>) = 0 [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] close(4 [pid 5240] close(6 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] lstat("./275/binderfs", [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5241] close(5 [pid 5240] close(7 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./275/binderfs" [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./286/binderfs", [pid 3502] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... unlink resumed>) = 0 [pid 5241] close(6 [pid 5240] close(8 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3500] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./286/binderfs" [pid 3502] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] close(7 [pid 5240] close(9 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] lstat("./275/cgroup.net", [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5241] close(8 [pid 5240] close(10 [pid 3504] <... 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] unlink("./275/cgroup.net" [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./288/cgroup.net", [pid 3503] lstat("./286/cgroup.net", [pid 3502] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5241] close(9 [pid 5240] close(11 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./288/cgroup.net" [pid 3503] unlink("./286/cgroup.net" [pid 3502] lstat("./283/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] close(10 [pid 5240] close(12 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] lstat("./275/cgroup.cpu", [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./283/binderfs" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5241] close(11 [pid 5240] close(13 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3500] unlink("./275/cgroup.cpu" [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./288/cgroup.cpu", [pid 3503] lstat("./286/cgroup.cpu", [pid 3502] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5241] close(12 [pid 5240] close(14 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./288/cgroup.cpu" [pid 3503] unlink("./286/cgroup.cpu" [pid 3502] lstat("./283/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] close(13 [pid 5240] close(15 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./275/cgroup", [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./283/cgroup.net" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5241] close(14 [pid 5240] close(16 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3500] unlink("./275/cgroup" [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./288/cgroup", [pid 3503] lstat("./286/cgroup", [pid 3502] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5241] close(15 [pid 5240] close(17 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] unlink("./286/cgroup" [pid 3502] lstat("./283/cgroup.cpu", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5241] close(16 [pid 5240] close(18 [pid 3504] unlink("./288/cgroup" [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] close(3 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] unlink("./283/cgroup.cpu" [pid 3500] <... close resumed>) = 0 [pid 5241] close(17 [pid 5240] close(19 [pid 3504] getdents64(3, [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] rmdir("./275" [pid 5241] close(18 [pid 5240] close(20 [pid 3504] close(3 [pid 3503] close(3 [pid 3502] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5241] close(19 [pid 5240] close(21 [pid 3504] rmdir("./288" [pid 3503] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] mkdir("./276", 0777 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] rmdir("./286" [pid 3502] lstat("./283/cgroup", [pid 3500] <... mkdir resumed>) = 0 [pid 5241] close(20 [pid 5240] close(22 [pid 3504] mkdir("./289", 0777 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5241] close(21 [pid 5240] close(23 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] mkdir("./287", 0777 [pid 3502] unlink("./283/cgroup"./strace-static-x86_64: Process 5243 attached [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5244 attached [pid 5243] set_robust_list(0x5555573195e0, 24 [pid 5241] close(22 [pid 5240] close(24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 291 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] getdents64(3, [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 278 [pid 5244] set_robust_list(0x5555573195e0, 24 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5245 attached [pid 5244] chdir("./276" [pid 5241] close(23 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5243] chdir("./289" [pid 5240] close(25 [pid 5245] set_robust_list(0x5555573195e0, 24 [pid 5244] <... chdir resumed>) = 0 [pid 5243] <... chdir resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 289 [pid 3502] close(3 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] close(24 [pid 5240] close(26 [pid 3502] <... close resumed>) = 0 [pid 5245] chdir("./287" [pid 5244] <... prctl resumed>) = 0 [pid 5243] <... prctl resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./283" [pid 5245] <... chdir resumed>) = 0 [pid 5243] setpgid(0, 0 [pid 5241] close(25 [pid 5240] close(27 [pid 3502] <... rmdir resumed>) = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] setpgid(0, 0 [pid 5243] <... setpgid resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./284", 0777 [pid 5245] <... prctl resumed>) = 0 [pid 5244] <... setpgid resumed>) = 0 [pid 5243] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5241] close(26 [pid 5240] close(28 [pid 3502] <... mkdir resumed>) = 0 [pid 5245] setpgid(0, 0 [pid 5244] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5243] <... symlink resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5245] <... setpgid resumed>) = 0 [pid 5244] <... symlink resumed>) = 0 [pid 5243] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5241] close(27 [pid 5240] close(29./strace-static-x86_64: Process 5246 attached [pid 5245] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5244] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5243] <... symlink resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] set_robust_list(0x5555573195e0, 24 [pid 5245] <... symlink resumed>) = 0 [pid 5244] <... symlink resumed>) = 0 [pid 5243] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5241] close(28 [pid 5240] exit_group(0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 286 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5245] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5244] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5243] <... symlink resumed>) = 0 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... exit_group resumed>) = ? [pid 5246] chdir("./284" [pid 5245] <... symlink resumed>) = 0 [pid 5244] <... symlink resumed>) = 0 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] close(29 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] <... chdir resumed>) = 0 [pid 5245] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5244] <... openat resumed>) = 3 [pid 5243] <... openat resumed>) = 3 [pid 5241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] +++ exited with 0 +++ [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5245] <... symlink resumed>) = 0 [pid 5244] write(3, "1000", 4 [pid 5243] write(3, "1000", 4 [pid 5241] exit_group(0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5246] <... prctl resumed>) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5244] <... write resumed>) = 4 [pid 5243] <... write resumed>) = 4 [pid 5241] <... exit_group resumed>) = ? [pid 5246] setpgid(0, 0 [pid 5245] <... openat resumed>) = 3 [pid 5244] close(3 [pid 5243] close(3 [pid 5246] <... setpgid resumed>) = 0 [pid 5245] write(3, "1000", 4 [pid 5244] <... close resumed>) = 0 [pid 5243] <... close resumed>) = 0 [pid 5241] +++ exited with 0 +++ [pid 5246] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5245] <... write resumed>) = 4 [pid 5244] read(200, [pid 5243] read(200, [pid 5246] <... symlink resumed>) = 0 [pid 5245] close(3 [pid 5244] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5246] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5245] <... close resumed>) = 0 [pid 5244] symlink("/dev/binderfs", "./binderfs" [pid 5243] symlink("/dev/binderfs", "./binderfs" [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5246] <... symlink resumed>) = 0 [pid 5245] read(200, [pid 5244] <... symlink resumed>) = 0 [pid 5243] <... symlink resumed>) = 0 [pid 3501] <... restart_syscall resumed>) = 0 [pid 5246] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5245] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5246] <... symlink resumed>) = 0 [pid 5245] symlink("/dev/binderfs", "./binderfs" [pid 5243] <... 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 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] <... symlink resumed>) = 0 [pid 5243] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5246] <... openat resumed>) = 3 [pid 5245] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5244] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5243] <... mmap resumed>) = 0x20002000 [pid 3499] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] write(3, "1000", 4 [pid 5245] <... 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 5243] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5246] <... write resumed>) = 4 [pid 5245] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5244] <... 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 5243] <... mmap resumed>) = 0x20000000 [pid 3501] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5246] close(3 [pid 5245] <... mmap resumed>) = 0x20002000 [pid 5244] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5243] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5246] <... close resumed>) = 0 [pid 5245] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5244] <... mmap resumed>) = 0x20002000 [pid 5243] <... close resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5246] read(200, [pid 5245] <... mmap resumed>) = 0x20000000 [pid 5243] close(4 [pid 3501] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5246] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] close(3 [pid 5244] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... openat resumed>) = 3 [pid 5246] symlink("/dev/binderfs", "./binderfs" [pid 5245] <... close resumed>) = 0 [pid 5244] <... mmap resumed>) = 0x20000000 [pid 5243] close(5 [pid 3501] <... openat resumed>) = 3 [pid 5246] <... symlink resumed>) = 0 [pid 5245] close(4 [pid 5244] close(3 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5246] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(6 [pid 3501] fstat(3, [pid 5244] <... close resumed>) = 0 [pid 5246] <... 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 5245] close(5 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5246] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] close(4 [pid 5243] close(7 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5246] <... mmap resumed>) = 0x20002000 [pid 5245] close(6 [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 3499] getdents64(3, [pid 5246] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] close(5 [pid 5243] close(8 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5246] <... mmap resumed>) = 0x20000000 [pid 5245] close(7 [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5246] close(3 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(9 [pid 3501] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] <... close resumed>) = 0 [pid 5245] close(8 [pid 5244] close(6 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] close(4 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(10 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(9 [pid 5244] close(7 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./278/binderfs", [pid 5246] close(5 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(11 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./270/binderfs", [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(10 [pid 5244] close(8 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./278/binderfs" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5246] close(6 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(12 [pid 3501] <... unlink resumed>) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(11 [pid 5244] close(9 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./270/binderfs" [pid 5246] close(7 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(13 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(12 [pid 5244] close(10 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5246] close(8 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(14 [pid 3501] lstat("./278/cgroup.net", [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(13 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(9 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(15 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(14 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(10 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(16 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(15 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(11 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(17 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(16 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(12 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(18 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(17 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(13 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(19 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(18 [pid 5244] close(11 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] close(14 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(20 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(19 [pid 5244] close(12 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./278/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5246] close(15 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(21 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(20 [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(16 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] close(13 [pid 5243] close(22 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./270/cgroup.net", [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(21 [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] close(17 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] close(14 [pid 5243] close(23 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(22 [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./270/cgroup.net" [pid 5246] close(18 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] close(15 [pid 5243] close(24 [pid 3501] lstat("./278/cgroup.cpu", [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(23 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 5246] close(19 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(25 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(24 [pid 5244] close(16 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] close(20 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(26 [pid 3501] unlink("./278/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(25 [pid 5244] close(17 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5246] close(21 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(27 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./270/cgroup.cpu", [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(26 [pid 5244] close(18 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] close(22 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(27 [pid 5244] close(19 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./278/cgroup", [pid 3499] unlink("./270/cgroup.cpu" [pid 5246] close(23 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] close(29 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(28 [pid 5244] close(20 [pid 5243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./278/cgroup" [pid 3499] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] close(24 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] exit_group(0 [pid 3501] <... unlink resumed>) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] close(29 [pid 5244] close(21 [pid 5243] <... exit_group resumed>) = ? [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 5246] close(25 [pid 5245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./270/cgroup", [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] exit_group(0 [pid 5244] close(22 [pid 3501] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5245] <... exit_group resumed>) = ? [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3499] unlink("./270/cgroup" [pid 5246] close(26 [pid 5244] close(23 [pid 3501] rmdir("./278" [pid 3499] <... unlink resumed>) = 0 [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5244] close(24 [pid 3501] mkdir("./279", 0777 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] +++ exited with 0 +++ [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3499] close(3 [pid 5246] close(27 [pid 5244] close(25 [pid 5243] +++ exited with 0 +++ [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... close resumed>) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./270"./strace-static-x86_64: Process 5248 attached [pid 5246] close(28 [pid 5244] close(26 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 281 [pid 3499] <... rmdir resumed>) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3499] mkdir("./271", 0777 [pid 5248] set_robust_list(0x5555573195e0, 24 [pid 5246] close(29 [pid 5244] close(27 [pid 3504] <... restart_syscall resumed>) = 0 [pid 3503] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... mkdir resumed>) = 0 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5250 attached [pid 5248] chdir("./279" [pid 5246] exit_group(0 [pid 5244] close(28 [pid 3503] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5250] set_robust_list(0x5555573195e0, 24 [pid 5248] <... chdir resumed>) = 0 [pid 5246] <... exit_group resumed>) = ? [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... openat resumed>) = 3 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 273 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] chdir("./271" [pid 5248] <... prctl resumed>) = 0 [pid 5246] +++ exited with 0 +++ [pid 5244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] fstat(3, [pid 5250] <... chdir resumed>) = 0 [pid 5248] setpgid(0, 0 [pid 5244] exit_group(0 [pid 3504] <... openat resumed>) = 3 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5248] <... setpgid resumed>) = 0 [pid 5244] <... exit_group resumed>) = ? [pid 3504] fstat(3, [pid 5250] <... prctl resumed>) = 0 [pid 5248] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5244] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] getdents64(3, [pid 5250] setpgid(0, 0 [pid 5248] <... symlink resumed>) = 0 [pid 3504] getdents64(3, [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5250] <... setpgid resumed>) = 0 [pid 5248] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5250] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5248] <... symlink resumed>) = 0 [pid 3504] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] <... symlink resumed>) = 0 [pid 5248] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5248] <... symlink resumed>) = 0 [pid 3504] lstat("./289/binderfs", [pid 3503] lstat("./287/binderfs", [pid 3502] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5250] <... symlink resumed>) = 0 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5250] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5248] <... openat resumed>) = 3 [pid 3504] unlink("./289/binderfs" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 5250] <... symlink resumed>) = 0 [pid 5248] write(3, "1000", 4 [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./287/binderfs" [pid 3502] fstat(3, [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] <... openat resumed>) = 3 [pid 5248] <... write resumed>) = 4 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] write(3, "1000", 4 [pid 5248] close(3 [pid 3504] lstat("./289/cgroup.net", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5250] <... write resumed>) = 4 [pid 5248] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./287/cgroup.net", [pid 3502] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 5250] close(3 [pid 3504] unlink("./289/cgroup.net" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] fstat(3, [pid 5250] <... close resumed>) = 0 [pid 5248] read(200, [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./287/cgroup.net" [pid 3502] lstat("./284/binderfs", [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5250] read(200, [pid 5248] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] getdents64(3, [pid 5250] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./284/binderfs" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5250] symlink("/dev/binderfs", "./binderfs" [pid 5248] <... symlink resumed>) = 0 [pid 3504] lstat("./289/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] <... symlink resumed>) = 0 [pid 5248] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./287/cgroup.cpu", [pid 3502] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5248] <... 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("./289/cgroup.cpu" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./276/binderfs", [pid 5250] <... 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 5248] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./287/cgroup.cpu" [pid 3502] lstat("./284/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5250] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5248] <... mmap resumed>) = 0x20002000 [pid 3504] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./276/binderfs" [pid 5250] <... mmap resumed>) = 0x20002000 [pid 5248] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5248] <... mmap resumed>) = 0x20000000 [pid 3504] lstat("./289/cgroup", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./284/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 5250] <... mmap resumed>) = 0x20000000 [pid 5248] close(3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] lstat("./287/cgroup", [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] close(3 [pid 5248] <... close resumed>) = 0 [pid 3504] unlink("./289/cgroup" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] <... close resumed>) = 0 [pid 5248] close(4 [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./287/cgroup" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./276/cgroup.net", [pid 5250] close(4 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./284/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(5 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] getdents64(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./276/cgroup.net" [pid 5250] close(5 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] unlink("./284/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(6 [pid 3504] <... close resumed>) = 0 [pid 3503] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] close(6 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./289" [pid 3503] <... close resumed>) = 0 [pid 3502] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(7 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] rmdir("./287" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./276/cgroup.cpu", [pid 5250] close(7 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./290", 0777 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] lstat("./284/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(8 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] mkdir("./288", 0777 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./276/cgroup.cpu" [pid 5250] close(8 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... mkdir resumed>) = 0 [pid 3502] unlink("./284/cgroup" [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5251 attached [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(9 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5252 attached [pid 5251] set_robust_list(0x5555573195e0, 24 [pid 5250] close(9 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 292 [pid 3502] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5252] set_robust_list(0x5555573195e0, 24 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(10 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 290 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./276/cgroup", [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] chdir("./290" [pid 5250] close(10 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5252] chdir("./288" [pid 5251] <... chdir resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(11 [pid 3502] <... close resumed>) = 0 [pid 3500] unlink("./276/cgroup" [pid 5252] <... chdir resumed>) = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] close(11 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./284" [pid 3500] <... unlink resumed>) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5251] <... prctl resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(12 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] getdents64(3, [pid 5252] <... prctl resumed>) = 0 [pid 5251] setpgid(0, 0 [pid 5250] close(12 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./285", 0777 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5252] setpgid(0, 0 [pid 5251] <... setpgid resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(13 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] close(3 [pid 5252] <... setpgid resumed>) = 0 [pid 5251] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5250] close(13 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... close resumed>) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5252] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5251] <... symlink resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(14 [pid 3500] rmdir("./276" [pid 5253] set_robust_list(0x5555573195e0, 24 [pid 5252] <... symlink resumed>) = 0 [pid 5251] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5250] close(14 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 287 [pid 3500] <... rmdir resumed>) = 0 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5251] <... symlink resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(15 [pid 3500] mkdir("./277", 0777 [pid 5253] chdir("./285" [pid 5252] <... symlink resumed>) = 0 [pid 5251] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5250] close(15 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 5253] <... chdir resumed>) = 0 [pid 5252] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5251] <... symlink resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(16 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5252] <... symlink resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] close(16 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5254 attached [pid 5253] <... prctl resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] <... openat resumed>) = 3 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(17 [pid 5254] set_robust_list(0x5555573195e0, 24 [pid 5253] setpgid(0, 0 [pid 5252] <... openat resumed>) = 3 [pid 5251] write(3, "1000", 4 [pid 5250] close(17 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 279 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5253] <... setpgid resumed>) = 0 [pid 5252] write(3, "1000", 4 [pid 5251] <... write resumed>) = 4 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(18 [pid 5254] chdir("./277" [pid 5253] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5252] <... write resumed>) = 4 [pid 5251] close(3 [pid 5250] close(18 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... chdir resumed>) = 0 [pid 5253] <... symlink resumed>) = 0 [pid 5252] close(3 [pid 5251] <... close resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(19 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5252] <... close resumed>) = 0 [pid 5251] read(200, [pid 5250] close(19 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... prctl resumed>) = 0 [pid 5253] <... symlink resumed>) = 0 [pid 5252] read(200, [pid 5251] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] setpgid(0, 0 [pid 5253] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5252] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] symlink("/dev/binderfs", "./binderfs" [pid 5250] close(20 [pid 5248] close(20 [pid 5254] <... setpgid resumed>) = 0 [pid 5253] <... symlink resumed>) = 0 [pid 5252] symlink("/dev/binderfs", "./binderfs" [pid 5251] <... symlink resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5252] <... symlink resumed>) = 0 [pid 5250] close(21 [pid 5254] <... symlink resumed>) = 0 [pid 5253] <... openat resumed>) = 3 [pid 5252] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5251] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(21 [pid 5254] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5253] write(3, "1000", 4 [pid 5252] <... 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 5250] close(22 [pid 5254] <... symlink resumed>) = 0 [pid 5253] <... write resumed>) = 4 [pid 5252] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5251] <... 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 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5253] close(3 [pid 5252] <... mmap resumed>) = 0x20002000 [pid 5251] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5250] close(23 [pid 5248] close(22 [pid 5254] <... symlink resumed>) = 0 [pid 5253] <... close resumed>) = 0 [pid 5252] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... mmap resumed>) = 0x20002000 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] read(200, [pid 5252] <... mmap resumed>) = 0x20000000 [pid 5250] close(24 [pid 5251] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... openat resumed>) = 3 [pid 5253] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] close(3 [pid 5251] <... mmap resumed>) = 0x20000000 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(23 [pid 5254] write(3, "1000", 4 [pid 5253] symlink("/dev/binderfs", "./binderfs" [pid 5252] <... close resumed>) = 0 [pid 5251] close(3 [pid 5250] close(25 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... write resumed>) = 4 [pid 5253] <... symlink resumed>) = 0 [pid 5252] close(4 [pid 5251] <... close resumed>) = 0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(24 [pid 5254] close(3 [pid 5253] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(26 [pid 5254] <... close resumed>) = 0 [pid 5253] <... 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 5252] close(5 [pid 5251] close(4 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] read(200, [pid 5253] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(27 [pid 5248] close(25 [pid 5254] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] <... mmap resumed>) = 0x20002000 [pid 5252] close(6 [pid 5251] close(5 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] symlink("/dev/binderfs", "./binderfs" [pid 5253] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(28 [pid 5248] close(26 [pid 5254] <... symlink resumed>) = 0 [pid 5253] <... mmap resumed>) = 0x20000000 [pid 5252] close(7 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5253] close(3 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(6 [pid 5250] close(29 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... 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 5253] <... close resumed>) = 0 [pid 5252] close(8 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(27 [pid 5254] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5253] close(4 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(7 [pid 5250] exit_group(0 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... mmap resumed>) = 0x20002000 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(9 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] <... exit_group resumed>) = ? [pid 5248] close(28 [pid 5254] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5253] close(5 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(8 [pid 5250] +++ exited with 0 +++ [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... mmap resumed>) = 0x20000000 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(10 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(29 [pid 5254] close(3 [pid 5253] close(6 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(9 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5254] <... close resumed>) = 0 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(11 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] exit_group(0 [pid 5254] close(4 [pid 5253] close(7 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(10 [pid 5248] <... exit_group resumed>) = ? [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(12 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] close(5 [pid 5253] close(8 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(13 [pid 5251] close(11 [pid 3499] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5254] close(6 [pid 5253] close(9 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] +++ exited with 0 +++ [pid 3499] <... openat resumed>) = 3 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(14 [pid 5251] close(12 [pid 3499] fstat(3, [pid 5254] close(7 [pid 5253] close(10 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(15 [pid 5251] close(13 [pid 3501] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5254] close(8 [pid 5253] close(11 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(14 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5254] close(9 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(16 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] close(12 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(15 [pid 3499] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] close(10 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(17 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5251] close(16) = -1 EBADF (Bad file descriptor) [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(17 [pid 3499] lstat("./271/binderfs", [pid 3501] fstat(3, [pid 5254] close(11 [pid 5253] close(13 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(18 [pid 5251] close(18 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] close(12 [pid 5253] close(14 [pid 5252] close(19 [pid 5251] close(19 [pid 3501] getdents64(3, [pid 3499] unlink("./271/binderfs" [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5254] close(13 [pid 5253] close(15 [pid 5252] close(20 [pid 5251] close(20 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... unlink resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] close(14 [pid 5253] close(16 [pid 5252] close(21 [pid 5251] close(21 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./279/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5254] close(15 [pid 5253] close(17 [pid 5252] close(22 [pid 5251] close(22 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./271/cgroup.net", [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./279/binderfs" [pid 5254] close(16 [pid 5253] close(18 [pid 5252] close(23 [pid 5251] close(23 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] close(17 [pid 5253] close(19 [pid 5252] close(24 [pid 5251] close(24 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./271/cgroup.net" [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./279/cgroup.net", [pid 5254] close(18 [pid 5253] close(20 [pid 5252] close(25 [pid 5251] close(25 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./279/cgroup.net" [pid 3499] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] close(19 [pid 5253] close(21 [pid 5252] close(26 [pid 5251] close(26 [pid 3501] <... unlink resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5254] close(20 [pid 5253] close(22 [pid 5252] close(27 [pid 5251] close(27 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./271/cgroup.cpu", [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./279/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5254] close(21 [pid 5253] close(23 [pid 5252] close(28 [pid 5251] close(28 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./271/cgroup.cpu" [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./279/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5254] close(22 [pid 5253] close(24 [pid 5252] close(29 [pid 5251] close(29 [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5254] close(23 [pid 5253] close(25 [pid 5252] exit_group(0 [pid 5251] exit_group(0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./271/cgroup", [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... exit_group resumed>) = ? [pid 5251] <... exit_group resumed>) = ? [pid 3501] lstat("./279/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5254] close(24 [pid 5253] close(26 [pid 5251] +++ exited with 0 +++ [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./271/cgroup" [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./279/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3501] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 3504] umount2("./290", 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 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] close(3 [pid 5254] close(25 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] close(3 [pid 3499] <... close resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] close(27 [pid 3504] <... openat resumed>) = 3 [pid 3501] <... close resumed>) = 0 [pid 3499] rmdir("./271" [pid 5254] close(26 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3501] rmdir("./279" [pid 3499] <... rmdir resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] close(28 [pid 5252] +++ exited with 0 +++ [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] mkdir("./272", 0777 [pid 5254] close(27 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] mkdir("./280", 0777 [pid 3499] <... mkdir resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5254] close(28 [pid 5253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached ./strace-static-x86_64: Process 5255 attached [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 274 [pid 5256] set_robust_list(0x5555573195e0, 24 [pid 5255] set_robust_list(0x5555573195e0, 24 [pid 5254] close(29 [pid 5253] <... exit_group resumed>) = ? [pid 3504] lstat("./290/binderfs", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 282 [pid 5256] <... set_robust_list resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5256] chdir("./280" [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./290/binderfs" [pid 3503] <... openat resumed>) = 3 [pid 5256] <... chdir resumed>) = 0 [pid 5254] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] fstat(3, [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] chdir("./272" [pid 5254] <... exit_group resumed>) = ? [pid 5253] +++ exited with 0 +++ [pid 3504] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5256] <... prctl resumed>) = 0 [pid 5255] <... chdir resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 5256] setpgid(0, 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] lstat("./290/cgroup.net", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5256] <... setpgid resumed>) = 0 [pid 5255] <... prctl resumed>) = 0 [pid 5254] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5256] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5255] setpgid(0, 0 [pid 3504] unlink("./290/cgroup.net" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5256] <... symlink resumed>) = 0 [pid 5255] <... setpgid resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./288/binderfs", [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5256] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5255] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3504] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5256] <... symlink resumed>) = 0 [pid 5255] <... symlink resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./288/binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5256] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5255] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3504] lstat("./290/cgroup.cpu", [pid 3503] <... unlink resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5256] <... symlink resumed>) = 0 [pid 5255] <... symlink resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3504] unlink("./290/cgroup.cpu" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 5256] <... openat resumed>) = 3 [pid 5255] <... symlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./288/cgroup.net", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5256] write(3, "1000", 4 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] getdents64(3, [pid 5256] <... write resumed>) = 4 [pid 5255] <... openat resumed>) = 3 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./288/cgroup.net" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5256] close(3 [pid 5255] write(3, "1000", 4 [pid 3504] lstat("./290/cgroup", [pid 3503] <... unlink resumed>) = 0 [pid 3500] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5256] <... close resumed>) = 0 [pid 5255] <... write resumed>) = 4 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5256] read(200, [pid 5255] close(3 [pid 3504] unlink("./290/cgroup" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 3500] lstat("./277/binderfs", [pid 5256] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./288/cgroup.cpu", [pid 3502] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5256] symlink("/dev/binderfs", "./binderfs" [pid 5255] read(200, [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] unlink("./277/binderfs" [pid 5256] <... symlink resumed>) = 0 [pid 5255] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] unlink("./288/cgroup.cpu" [pid 3502] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 5256] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5255] symlink("/dev/binderfs", "./binderfs" [pid 3504] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5256] <... 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 5255] <... symlink resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3503] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5256] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5255] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] rmdir("./290" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./277/cgroup.net", [pid 5256] <... mmap resumed>) = 0x20002000 [pid 5255] <... 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] <... rmdir resumed>) = 0 [pid 3503] lstat("./288/cgroup", [pid 3502] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5256] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5255] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] mkdir("./291", 0777 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./277/cgroup.net" [pid 5256] <... mmap resumed>) = 0x20000000 [pid 5255] <... mmap resumed>) = 0x20002000 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] unlink("./288/cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 5256] close(3 [pid 5255] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./285/binderfs", [pid 3500] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5257 attached [pid 5256] <... close resumed>) = 0 [pid 5255] <... mmap resumed>) = 0x20000000 [pid 3503] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5257] set_robust_list(0x5555573195e0, 24 [pid 5256] close(4 [pid 5255] close(3 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 293 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./277/cgroup.cpu", [pid 5257] <... set_robust_list resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = 0 [pid 3503] close(3 [pid 3502] <... 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 5257] chdir("./291" [pid 5256] close(5 [pid 5255] close(4 [pid 3503] <... close resumed>) = 0 [pid 3502] unlink("./285/binderfs" [pid 3500] unlink("./277/cgroup.cpu" [pid 5257] <... chdir resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./288" [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5256] close(6 [pid 5255] close(5 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5257] <... prctl resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] mkdir("./289", 0777 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5257] setpgid(0, 0 [pid 5256] close(7 [pid 5255] close(6 [pid 3503] <... mkdir resumed>) = 0 [pid 3500] lstat("./277/cgroup", [pid 5257] <... setpgid resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./285/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5258 attached [pid 5257] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5256] close(8 [pid 5255] close(7 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5257] <... symlink resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 291 [pid 3502] unlink("./285/cgroup.net" [pid 3500] unlink("./277/cgroup" [pid 5258] set_robust_list(0x5555573195e0, 24 [pid 5257] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5256] close(9 [pid 5255] close(8 [pid 3502] <... unlink resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5257] <... symlink resumed>) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5256] close(10 [pid 5255] close(9 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5258] chdir("./289" [pid 5257] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./285/cgroup.cpu", [pid 3500] getdents64(3, [pid 5258] <... chdir resumed>) = 0 [pid 5257] <... symlink resumed>) = 0 [pid 5256] close(11 [pid 5255] close(10 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./285/cgroup.cpu" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5258] <... prctl resumed>) = 0 [pid 5256] close(12 [pid 3502] <... unlink resumed>) = 0 [pid 5258] setpgid(0, 0 [pid 5257] <... openat resumed>) = 3 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(11 [pid 3502] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] close(3 [pid 5258] <... setpgid resumed>) = 0 [pid 5257] write(3, "1000", 4 [pid 5256] close(13 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... close resumed>) = 0 [pid 5258] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5257] <... write resumed>) = 4 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(12 [pid 3502] lstat("./285/cgroup", [pid 3500] rmdir("./277" [pid 5258] <... symlink resumed>) = 0 [pid 5257] close(3 [pid 5256] close(14 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5258] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5257] <... close resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(13 [pid 3502] unlink("./285/cgroup" [pid 3500] <... rmdir resumed>) = 0 [pid 5258] <... symlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5257] read(200, [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5257] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5256] close(15 [pid 5255] close(14 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] mkdir("./278", 0777 [pid 5257] symlink("/dev/binderfs", "./binderfs" [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(15 [pid 3502] <... close resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 5258] <... symlink resumed>) = 0 [pid 5256] close(16 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./285" [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] <... symlink resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(16 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5258] <... openat resumed>) = 3 [pid 5257] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5256] close(17 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./286", 0777) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5260 attached ./strace-static-x86_64: Process 5259 attached [pid 5258] write(3, "1000", 4 [pid 5257] <... 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 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(17 [pid 5260] set_robust_list(0x5555573195e0, 24 [pid 5259] set_robust_list(0x5555573195e0, 24 [pid 5258] <... write resumed>) = 4 [pid 5257] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5256] close(18 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 288 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 280 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] close(3 [pid 5257] <... mmap resumed>) = 0x20002000 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(18 [pid 5258] <... close resumed>) = 0 [pid 5257] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5256] close(19 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] chdir("./286" [pid 5259] chdir("./278" [pid 5258] read(200, [pid 5257] <... mmap resumed>) = 0x20000000 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(19 [pid 5260] <... chdir resumed>) = 0 [pid 5259] <... chdir resumed>) = 0 [pid 5258] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] close(3 [pid 5256] close(20 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] symlink("/dev/binderfs", "./binderfs" [pid 5257] <... close resumed>) = 0 [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(20 [pid 5260] <... prctl resumed>) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] <... symlink resumed>) = 0 [pid 5257] close(4 [pid 5256] close(21 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] setpgid(0, 0 [pid 5259] <... prctl resumed>) = 0 [pid 5258] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(21 [pid 5260] <... setpgid resumed>) = 0 [pid 5259] setpgid(0, 0 [pid 5258] <... 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 5257] close(5 [pid 5256] close(22 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5259] <... setpgid resumed>) = 0 [pid 5258] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(22 [pid 5260] <... symlink resumed>) = 0 [pid 5259] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5258] <... mmap resumed>) = 0x20002000 [pid 5257] close(6 [pid 5256] close(23 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5259] <... symlink resumed>) = 0 [pid 5258] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(23 [pid 5258] <... mmap resumed>) = 0x20000000 [pid 5257] close(7 [pid 5256] close(24 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... symlink resumed>) = 0 [pid 5259] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5258] close(3 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(24 [pid 5260] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5259] <... symlink resumed>) = 0 [pid 5258] <... close resumed>) = 0 [pid 5257] close(8 [pid 5256] close(25 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... symlink resumed>) = 0 [pid 5259] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5258] close(4 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(25 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] <... symlink resumed>) = 0 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] close(9 [pid 5256] close(26 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... openat resumed>) = 3 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] close(5 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(26 [pid 5260] write(3, "1000", 4 [pid 5259] <... openat resumed>) = 3 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] close(10 [pid 5256] close(27 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... write resumed>) = 4 [pid 5259] write(3, "1000", 4 [pid 5258] close(6 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(27 [pid 5260] close(3 [pid 5259] <... write resumed>) = 4 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] close(11 [pid 5256] close(28 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... close resumed>) = 0 [pid 5259] close(3 [pid 5258] close(7 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(28 [pid 5260] read(200, [pid 5259] <... close resumed>) = 0 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] close(12 [pid 5256] close(29 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] read(200, [pid 5258] close(8 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] close(29 [pid 5260] symlink("/dev/binderfs", "./binderfs" [pid 5259] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] close(13 [pid 5256] exit_group(0 [pid 5255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... symlink resumed>) = 0 [pid 5259] symlink("/dev/binderfs", "./binderfs" [pid 5258] close(9 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] <... exit_group resumed>) = ? [pid 5255] exit_group(0 [pid 5260] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5259] <... symlink resumed>) = 0 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] close(14 [pid 5256] +++ exited with 0 +++ [pid 5255] <... exit_group resumed>) = ? [pid 5260] <... 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 5259] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, 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 5258] close(10 [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20002000 [pid 5259] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5259] <... mmap resumed>) = 0x20000000 [pid 5258] close(11 [pid 5257] close(15 [pid 5255] +++ exited with 0 +++ [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5260] <... mmap resumed>) = 0x20002000 [pid 5259] close(3 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5260] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5259] <... close resumed>) = 0 [pid 5258] close(12 [pid 5257] close(16 [pid 3501] <... restart_syscall resumed>) = 0 [pid 5259] close(4 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] <... mmap resumed>) = 0x20000000 [pid 5259] close(5 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] close(3 [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5260] <... close resumed>) = 0 [pid 5259] close(6 [pid 5258] close(13 [pid 5257] close(17 [pid 3499] <... openat resumed>) = 3 [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] fstat(3, [pid 5260] close(4 [pid 5259] close(7 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(14 [pid 5257] close(18 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] close(5 [pid 5259] close(8 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] getdents64(3, [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(15 [pid 5257] close(19 [pid 3501] <... openat resumed>) = 3 [pid 5260] close(6 [pid 5259] close(9 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] fstat(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(16 [pid 5257] close(20 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5260] close(7 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(17 [pid 5257] close(21 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] close(8 [pid 5259] close(10 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(18 [pid 5257] close(22 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] close(9 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./280/binderfs", [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] close(11 [pid 5258] close(19 [pid 5257] close(23 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./272/binderfs", [pid 5260] close(10 [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./280/binderfs" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] close(12 [pid 5258] close(20 [pid 5257] close(24 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5260] close(11 [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./272/binderfs" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] close(13 [pid 5258] close(21 [pid 5257] close(25 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] close(12 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./280/cgroup.net", [pid 3499] <... unlink resumed>) = 0 [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(22 [pid 5257] close(26 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] close(13 [pid 5259] close(14 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./280/cgroup.net" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(23 [pid 5257] close(27 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] close(14 [pid 5259] close(15 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(24 [pid 5257] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./272/cgroup.net", [pid 5260] close(15 [pid 5259] close(16 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./280/cgroup.cpu", [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(25 [pid 5257] close(29 [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 5260] close(16 [pid 5259] close(17 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./280/cgroup.cpu" [pid 3499] unlink("./272/cgroup.net" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(26 [pid 5257] exit_group(0 [pid 3501] <... unlink resumed>) = 0 [pid 5260] close(17 [pid 5259] close(18 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... exit_group resumed>) = ? [pid 3501] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(27 [pid 5257] +++ exited with 0 +++ [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] close(18 [pid 5259] close(19 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] lstat("./280/cgroup", [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(28 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] close(19 [pid 5259] close(20 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./280/cgroup" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] close(29 [pid 3501] <... unlink resumed>) = 0 [pid 3499] lstat("./272/cgroup.cpu", [pid 5260] close(20 [pid 5259] close(21 [pid 5258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] exit_group(0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5260] close(21 [pid 5259] close(22 [pid 5258] <... exit_group resumed>) = ? [pid 3504] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] close(3 [pid 3499] unlink("./272/cgroup.cpu" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... unlink resumed>) = 0 [pid 3499] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./272/cgroup", [pid 5260] close(22 [pid 5259] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... close resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] +++ exited with 0 +++ [pid 3504] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] rmdir("./280" [pid 5260] close(23 [pid 5259] close(24 [pid 3504] <... openat resumed>) = 3 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] unlink("./272/cgroup" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] mkdir("./281", 0777 [pid 3499] <... unlink resumed>) = 0 [pid 5260] close(24 [pid 5259] close(25 [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3499] getdents64(3, [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] <... mkdir resumed>) = 0 [pid 3499] close(3 [pid 5260] close(25 [pid 5259] close(26 [pid 3504] <... 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 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] rmdir("./272" [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5261 attached [pid 5260] close(26 [pid 3504] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... rmdir resumed>) = 0 [pid 5261] set_robust_list(0x5555573195e0, 24 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 283 [pid 3499] mkdir("./273", 0777 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] close(27 [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./291/binderfs", [pid 3503] <... openat resumed>) = 3 [pid 3499] <... mkdir resumed>) = 0 [pid 5261] chdir("./281" [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] <... chdir resumed>) = 0 [pid 5260] close(28 [pid 5259] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5262 attached [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./291/binderfs" [pid 3503] getdents64(3, [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 275 [pid 5262] set_robust_list(0x5555573195e0, 24 [pid 5261] <... prctl resumed>) = 0 [pid 5260] close(29 [pid 5259] close(29 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] setpgid(0, 0 [pid 5260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5262] chdir("./273" [pid 5261] <... setpgid resumed>) = 0 [pid 5260] exit_group(0 [pid 5259] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] <... chdir resumed>) = 0 [pid 5261] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3503] lstat("./289/binderfs", [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] <... symlink resumed>) = 0 [pid 5260] <... exit_group resumed>) = ? [pid 5259] <... exit_group resumed>) = ? [pid 3504] lstat("./291/cgroup.net", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5262] <... prctl resumed>) = 0 [pid 5261] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3503] unlink("./289/binderfs" [pid 5261] <... symlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 5261] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3503] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5261] <... symlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] lstat("./289/cgroup.net", [pid 5261] <... openat resumed>) = 3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5261] write(3, "1000", 4 [pid 5262] setpgid(0, 0 [pid 5259] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./289/cgroup.net" [pid 5262] <... setpgid resumed>) = 0 [pid 5261] <... write resumed>) = 4 [pid 5260] +++ exited with 0 +++ [pid 3504] unlink("./291/cgroup.net" [pid 3503] <... unlink resumed>) = 0 [pid 5262] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5261] close(3 [pid 3503] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5261] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5262] <... symlink resumed>) = 0 [pid 5261] read(200, [pid 3504] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./289/cgroup.cpu", [pid 3502] <... restart_syscall resumed>) = 0 [pid 5262] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5261] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5262] <... symlink resumed>) = 0 [pid 5261] symlink("/dev/binderfs", "./binderfs" [pid 3503] unlink("./289/cgroup.cpu" [pid 3504] lstat("./291/cgroup.cpu", [pid 5262] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5261] <... symlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5261] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] <... symlink resumed>) = 0 [pid 5261] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5261] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] unlink("./291/cgroup.cpu" [pid 3503] lstat("./289/cgroup", [pid 3502] <... openat resumed>) = 3 [pid 5262] <... openat resumed>) = 3 [pid 5261] <... mmap resumed>) = 0x20002000 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] fstat(3, [pid 5262] write(3, "1000", 4 [pid 5261] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./289/cgroup" [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5262] <... write resumed>) = 4 [pid 5261] <... mmap resumed>) = 0x20000000 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3502] getdents64(3, [pid 5262] close(3 [pid 5261] close(3 [pid 3504] lstat("./291/cgroup", [pid 3503] getdents64(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5262] <... close resumed>) = 0 [pid 5261] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5262] read(200, [pid 5261] close(4 [pid 3504] unlink("./291/cgroup" [pid 3503] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] lstat("./286/binderfs", [pid 3500] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5262] symlink("/dev/binderfs", "./binderfs" [pid 5261] close(5 [pid 3504] getdents64(3, [pid 3503] rmdir("./289" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5262] <... symlink resumed>) = 0 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] unlink("./286/binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5261] close(6 [pid 3504] close(3 [pid 3503] mkdir("./290", 0777 [pid 3502] <... unlink resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5262] <... 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 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5262] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5261] close(7 [pid 3504] rmdir("./291" [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5263 attached [pid 5262] <... mmap resumed>) = 0x20002000 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3502] lstat("./286/cgroup.net", [pid 5262] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5261] close(8 [pid 3504] mkdir("./292", 0777 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 292 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 5263] set_robust_list(0x5555573195e0, 24 [pid 5262] <... mmap resumed>) = 0x20000000 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3502] unlink("./286/cgroup.net" [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] close(3 [pid 5261] close(9 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... unlink resumed>) = 0 [pid 3500] getdents64(3, ./strace-static-x86_64: Process 5264 attached [pid 5263] chdir("./290" [pid 5262] <... close resumed>) = 0 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5264] set_robust_list(0x5555573195e0, 24 [pid 5263] <... chdir resumed>) = 0 [pid 5262] close(4 [pid 5261] close(10 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 294 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5264] <... set_robust_list resumed>) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./286/cgroup.cpu", [pid 3500] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] chdir("./292" [pid 5263] <... prctl resumed>) = 0 [pid 5262] close(5 [pid 5261] close(11 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5264] <... chdir resumed>) = 0 [pid 5263] setpgid(0, 0 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./286/cgroup.cpu" [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] <... setpgid resumed>) = 0 [pid 5262] close(6 [pid 5261] close(12 [pid 3502] <... unlink resumed>) = 0 [pid 3500] lstat("./278/binderfs", [pid 5264] <... prctl resumed>) = 0 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] setpgid(0, 0 [pid 5263] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(13 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5263] <... symlink resumed>) = 0 [pid 5262] close(7 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./286/cgroup", [pid 5264] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5263] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(14 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./278/binderfs" [pid 5264] <... symlink resumed>) = 0 [pid 5263] <... symlink resumed>) = 0 [pid 5262] close(8 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./286/cgroup" [pid 5264] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5263] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(15 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5264] <... symlink resumed>) = 0 [pid 5263] <... symlink resumed>) = 0 [pid 5262] close(9 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5264] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(16 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] <... symlink resumed>) = 0 [pid 5263] <... openat resumed>) = 3 [pid 5262] close(10 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] write(3, "1000", 4 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(17 [pid 3502] <... close resumed>) = 0 [pid 5264] <... openat resumed>) = 3 [pid 5263] <... write resumed>) = 4 [pid 5262] close(11 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./286" [pid 3500] lstat("./278/cgroup.net", [pid 5264] write(3, "1000", 4 [pid 5263] close(3 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(18 [pid 3502] <... rmdir resumed>) = 0 [pid 5264] <... write resumed>) = 4 [pid 5263] <... close resumed>) = 0 [pid 5262] close(12 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./287", 0777 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5264] close(3 [pid 5263] read(200, [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(19 [pid 3502] <... mkdir resumed>) = 0 [pid 5264] <... close resumed>) = 0 [pid 5263] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] close(13 [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] unlink("./278/cgroup.net"./strace-static-x86_64: Process 5265 attached [pid 5264] read(200, [pid 5263] symlink("/dev/binderfs", "./binderfs" [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] close(20 [pid 3500] <... unlink resumed>) = 0 [pid 5265] set_robust_list(0x5555573195e0, 24 [pid 5264] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 289 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] symlink("/dev/binderfs", "./binderfs" [pid 5263] <... symlink resumed>) = 0 [pid 5262] close(14 [pid 5261] close(21 [pid 3500] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5265] chdir("./287" [pid 5264] <... symlink resumed>) = 0 [pid 5263] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] <... chdir resumed>) = 0 [pid 5264] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5263] <... 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 5262] close(15 [pid 5261] close(22 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] <... 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 5263] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./278/cgroup.cpu", [pid 5265] <... prctl resumed>) = 0 [pid 5264] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5263] <... mmap resumed>) = 0x20002000 [pid 5262] close(16 [pid 5261] close(23 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5265] setpgid(0, 0 [pid 5264] <... mmap resumed>) = 0x20002000 [pid 5263] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./278/cgroup.cpu" [pid 5265] <... setpgid resumed>) = 0 [pid 5264] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5263] <... mmap resumed>) = 0x20000000 [pid 5262] close(17 [pid 5261] close(24 [pid 3500] <... unlink resumed>) = 0 [pid 5265] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5264] <... mmap resumed>) = 0x20000000 [pid 5263] close(3 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5265] <... symlink resumed>) = 0 [pid 5263] <... close resumed>) = 0 [pid 5262] close(18 [pid 5261] close(25 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5265] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5263] close(4 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./278/cgroup", [pid 5265] <... symlink resumed>) = 0 [pid 5264] close(3 [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(19 [pid 5261] close(26 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5265] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5264] <... close resumed>) = 0 [pid 5263] close(5 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./278/cgroup" [pid 5265] <... symlink resumed>) = 0 [pid 5264] close(4 [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(20 [pid 5261] close(27 [pid 3500] <... unlink resumed>) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] close(6 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5265] <... openat resumed>) = 3 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(21 [pid 5261] close(28 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5265] write(3, "1000", 4 [pid 5264] close(5 [pid 5263] close(7 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 5265] <... write resumed>) = 4 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(22 [pid 5261] close(29 [pid 3500] <... close resumed>) = 0 [pid 5265] close(3 [pid 5264] close(6 [pid 5263] close(8 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./278" [pid 5265] <... close resumed>) = 0 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(23 [pid 5261] exit_group(0 [pid 3500] <... rmdir resumed>) = 0 [pid 5265] read(200, [pid 5264] close(7 [pid 5263] close(9 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] <... exit_group resumed>) = ? [pid 3500] mkdir("./279", 0777 [pid 5265] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(24 [pid 5261] +++ exited with 0 +++ [pid 3500] <... mkdir resumed>) = 0 [pid 5265] symlink("/dev/binderfs", "./binderfs" [pid 5264] close(8 [pid 5263] close(10 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5265] <... symlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 5266 attached [pid 5265] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(25 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 281 [pid 3501] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] set_robust_list(0x5555573195e0, 24 [pid 5265] <... 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 5264] close(9 [pid 5263] close(11 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(26 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] chdir("./279" [pid 5265] <... mmap resumed>) = 0x20002000 [pid 5264] close(10 [pid 5263] close(12 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5266] <... chdir resumed>) = 0 [pid 5265] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(27 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5265] <... mmap resumed>) = 0x20000000 [pid 5264] close(11 [pid 5263] close(13 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 5266] <... prctl resumed>) = 0 [pid 5265] close(3 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(28 [pid 3501] fstat(3, [pid 5266] setpgid(0, 0 [pid 5265] <... close resumed>) = 0 [pid 5264] close(12 [pid 5263] close(14 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] <... setpgid resumed>) = 0 [pid 5265] close(4 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(29 [pid 5266] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(13 [pid 5263] close(15 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] <... symlink resumed>) = 0 [pid 5265] close(5 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] exit_group(0 [pid 5266] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(14 [pid 5263] close(16 [pid 5262] <... exit_group resumed>) = ? [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5266] <... symlink resumed>) = 0 [pid 5265] close(6 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5266] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(15 [pid 5263] close(17 [pid 5262] +++ exited with 0 +++ [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5266] <... symlink resumed>) = 0 [pid 5265] close(7 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(16 [pid 5263] close(18 [pid 5266] <... openat resumed>) = 3 [pid 5265] close(8 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] write(3, "1000", 4 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(17 [pid 5263] close(19 [pid 5266] <... write resumed>) = 4 [pid 5265] close(9 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] close(3 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(18 [pid 5263] close(20 [pid 5266] <... close resumed>) = 0 [pid 5265] close(10 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] read(200, [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(19 [pid 5263] close(21 [pid 5266] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] close(11 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] symlink("/dev/binderfs", "./binderfs" [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(20 [pid 5263] close(22 [pid 5266] <... symlink resumed>) = 0 [pid 5265] close(12 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(21 [pid 5263] close(23 [pid 5266] <... 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 5265] close(13 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(22 [pid 5263] close(24 [pid 5266] <... mmap resumed>) = 0x20002000 [pid 5265] close(14 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./281/binderfs", [pid 3499] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(23 [pid 5263] close(25 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5266] <... mmap resumed>) = 0x20000000 [pid 5265] close(15 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] close(3 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(24 [pid 5263] close(26 [pid 5266] <... close resumed>) = 0 [pid 5265] close(16 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./281/binderfs" [pid 3499] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5266] close(4 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(25 [pid 5263] close(27 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(17 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5266] close(5 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(26 [pid 5263] close(28 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(18 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 5266] close(6 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(27 [pid 5263] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(19 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./281/cgroup.net", [pid 5266] close(7 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(28 [pid 5263] exit_group(0 [pid 3499] getdents64(3, [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(20 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5263] <... exit_group resumed>) = ? [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5266] close(8 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] close(29 [pid 3501] unlink("./281/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(21 [pid 5264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] close(9 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] exit_group(0 [pid 3501] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(22 [pid 5264] <... exit_group resumed>) = ? [pid 5263] +++ exited with 0 +++ [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./273/binderfs", [pid 5266] close(10 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./281/cgroup.cpu", [pid 3499] <... 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 3499] unlink("./273/binderfs" [pid 3501] unlink("./281/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(23 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] close(11 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5264] +++ exited with 0 +++ [pid 3501] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(24 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] close(12 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3503] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./273/cgroup.net", [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(25 [pid 3504] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] close(13 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./281/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(26 [pid 3504] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... openat resumed>) = 3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./273/cgroup.net" [pid 5266] close(14 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3504] <... openat resumed>) = 3 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(27 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] unlink("./281/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5266] close(15 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(28 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] close(16 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./273/cgroup.cpu", [pid 5266] close(17 [pid 5265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./290/binderfs", [pid 3501] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5266] close(18 [pid 5265] <... exit_group resumed>) = ? [pid 3504] lstat("./292/binderfs", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... close resumed>) = 0 [pid 3499] unlink("./273/cgroup.cpu" [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5265] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] rmdir("./281" [pid 3499] <... unlink resumed>) = 0 [pid 5266] close(19 [pid 3504] unlink("./292/binderfs" [pid 3503] unlink("./290/binderfs" [pid 3501] <... rmdir resumed>) = 0 [pid 3499] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] mkdir("./282", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] close(20 [pid 3504] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... mkdir resumed>) = 0 [pid 3499] lstat("./273/cgroup", [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] 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 5267 attached [pid 5266] close(21 [pid 3504] lstat("./292/cgroup.net", [pid 3503] lstat("./290/cgroup.net", [pid 3499] unlink("./273/cgroup" [pid 5267] set_robust_list(0x5555573195e0, 24 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 284 [pid 3499] <... unlink resumed>) = 0 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5266] close(22 [pid 3504] unlink("./292/cgroup.net" [pid 3503] unlink("./290/cgroup.net" [pid 3502] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5267] chdir("./282" [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5267] <... chdir resumed>) = 0 [pid 5266] close(23 [pid 3504] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] close(3 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 3499] <... close resumed>) = 0 [pid 5267] <... prctl resumed>) = 0 [pid 3504] lstat("./292/cgroup.cpu", [pid 3502] fstat(3, [pid 3499] rmdir("./273" [pid 5267] setpgid(0, 0 [pid 5266] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./290/cgroup.cpu", [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5267] <... setpgid resumed>) = 0 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./292/cgroup.cpu" [pid 3502] getdents64(3, [pid 3499] mkdir("./274", 0777 [pid 5267] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5266] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... mkdir resumed>) = 0 [pid 5267] <... symlink resumed>) = 0 [pid 3504] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5268 attached [pid 5267] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./290/cgroup.cpu" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5268] set_robust_list(0x5555573195e0, 24 [pid 5267] <... symlink resumed>) = 0 [pid 3504] lstat("./292/cgroup", [pid 3502] lstat("./287/binderfs", [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 276 [pid 5266] close(26 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5267] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5268] chdir("./274" [pid 5267] <... symlink resumed>) = 0 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./292/cgroup" [pid 3503] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./287/binderfs" [pid 5268] <... chdir resumed>) = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5266] close(27 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] <... openat resumed>) = 3 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] lstat("./290/cgroup", [pid 3502] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5268] <... prctl resumed>) = 0 [pid 5267] write(3, "1000", 4 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5268] setpgid(0, 0 [pid 5267] <... write resumed>) = 4 [pid 5266] close(28 [pid 3504] close(3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] lstat("./287/cgroup.net", [pid 5268] <... setpgid resumed>) = 0 [pid 5267] close(3 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] unlink("./290/cgroup" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5268] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5267] <... close resumed>) = 0 [pid 5266] close(29 [pid 3504] rmdir("./292" [pid 3503] <... unlink resumed>) = 0 [pid 3502] unlink("./287/cgroup.net" [pid 5268] <... symlink resumed>) = 0 [pid 5267] read(200, [pid 3504] <... rmdir resumed>) = 0 [pid 5266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 5268] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5267] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] exit_group(0 [pid 3504] mkdir("./293", 0777 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5268] <... symlink resumed>) = 0 [pid 5267] symlink("/dev/binderfs", "./binderfs" [pid 5266] <... exit_group resumed>) = ? [pid 3504] <... mkdir resumed>) = 0 [pid 3503] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5268] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5267] <... symlink resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./287/cgroup.cpu", ./strace-static-x86_64: Process 5269 attached [pid 5268] <... symlink resumed>) = 0 [pid 5267] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5266] +++ exited with 0 +++ [pid 3503] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5269] set_robust_list(0x5555573195e0, 24 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5267] <... 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] <... clone resumed>, child_tidptr=0x5555573195d0) = 295 [pid 3503] rmdir("./290" [pid 3502] unlink("./287/cgroup.cpu" [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] <... openat resumed>) = 3 [pid 5267] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5269] chdir("./293" [pid 5268] write(3, "1000", 4 [pid 5267] <... mmap resumed>) = 0x20002000 [pid 3503] mkdir("./291", 0777 [pid 3502] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5269] <... chdir resumed>) = 0 [pid 5268] <... write resumed>) = 4 [pid 5267] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5268] close(3 [pid 5267] <... mmap resumed>) = 0x20000000 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] lstat("./287/cgroup", [pid 3500] <... restart_syscall resumed>) = 0 [pid 5269] <... prctl resumed>) = 0 [pid 5268] <... close resumed>) = 0 [pid 5267] close(3 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5269] setpgid(0, 0 [pid 5268] read(200, [pid 5267] <... close resumed>) = 0 [pid 3502] unlink("./287/cgroup" [pid 5269] <... setpgid resumed>) = 0 [pid 5268] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5267] close(4 [pid 3502] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5270 attached [pid 5269] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5268] symlink("/dev/binderfs", "./binderfs" [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5270] set_robust_list(0x5555573195e0, 24 [pid 5269] <... symlink resumed>) = 0 [pid 5268] <... symlink resumed>) = 0 [pid 5267] close(5 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 293 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5270] <... set_robust_list resumed>) = 0 [pid 5269] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5268] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5270] chdir("./291" [pid 5269] <... symlink resumed>) = 0 [pid 5268] <... 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 5267] close(6 [pid 3502] <... close resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5270] <... chdir resumed>) = 0 [pid 5269] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5268] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./287" [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] <... symlink resumed>) = 0 [pid 5268] <... mmap resumed>) = 0x20002000 [pid 5267] close(7 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5270] <... prctl resumed>) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./288", 0777 [pid 5270] setpgid(0, 0 [pid 5269] <... openat resumed>) = 3 [pid 5268] <... mmap resumed>) = 0x20000000 [pid 5267] close(8 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] fstat(3, [pid 5270] <... setpgid resumed>) = 0 [pid 5269] write(3, "1000", 4 [pid 5268] close(3 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5270] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3500] getdents64(3, [pid 5270] <... symlink resumed>) = 0 [pid 5269] <... write resumed>) = 4 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5270] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5268] <... close resumed>) = 0 [pid 5267] close(9 [pid 3500] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5270] <... symlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5271 attached [pid 5270] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5269] close(3 [pid 5268] close(4 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./279/binderfs", [pid 5271] set_robust_list(0x5555573195e0, 24 [pid 5270] <... symlink resumed>) = 0 [pid 5269] <... close resumed>) = 0 [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(10 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 290 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5271] <... set_robust_list resumed>) = 0 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5269] read(200, [pid 5268] close(5 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./279/binderfs" [pid 5271] chdir("./288" [pid 5270] <... openat resumed>) = 3 [pid 5269] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(11 [pid 3500] <... unlink resumed>) = 0 [pid 5271] <... chdir resumed>) = 0 [pid 5270] write(3, "1000", 4 [pid 5269] symlink("/dev/binderfs", "./binderfs" [pid 5268] close(6 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5270] <... write resumed>) = 4 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5271] <... prctl resumed>) = 0 [pid 5270] close(3 [pid 3500] lstat("./279/cgroup.net", [pid 5271] setpgid(0, 0 [pid 5270] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5271] <... setpgid resumed>) = 0 [pid 5270] read(200, [pid 5269] <... symlink resumed>) = 0 [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(12 [pid 3500] unlink("./279/cgroup.net" [pid 5271] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5270] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5271] <... symlink resumed>) = 0 [pid 5270] symlink("/dev/binderfs", "./binderfs" [pid 5268] close(7 [pid 3500] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5271] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5270] <... symlink resumed>) = 0 [pid 5269] <... 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 5267] close(13 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5271] <... symlink resumed>) = 0 [pid 5270] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5269] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./279/cgroup.cpu", [pid 5271] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5270] <... 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 5269] <... mmap resumed>) = 0x20002000 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5271] <... symlink resumed>) = 0 [pid 5270] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5267] close(14 [pid 3500] unlink("./279/cgroup.cpu" [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] <... mmap resumed>) = 0x20002000 [pid 5269] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5268] close(8 [pid 3500] <... unlink resumed>) = 0 [pid 5271] <... openat resumed>) = 3 [pid 5270] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5271] write(3, "1000", 4 [pid 5270] <... mmap resumed>) = 0x20000000 [pid 5269] <... mmap resumed>) = 0x20000000 [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(15 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5271] <... write resumed>) = 4 [pid 5270] close(3 [pid 3500] lstat("./279/cgroup", [pid 5271] close(3 [pid 5270] <... close resumed>) = 0 [pid 5269] close(3 [pid 5268] close(9 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5271] <... close resumed>) = 0 [pid 5270] close(4 [pid 5269] <... close resumed>) = 0 [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(16 [pid 3500] unlink("./279/cgroup" [pid 5271] read(200, [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(4 [pid 5268] close(10 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5271] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] close(5 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(17 [pid 3500] getdents64(3, [pid 5271] symlink("/dev/binderfs", "./binderfs" [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(5 [pid 5268] close(11 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5271] <... symlink resumed>) = 0 [pid 5270] close(6 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(18 [pid 3500] close(3 [pid 5271] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(6 [pid 5268] close(12 [pid 3500] <... close resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] <... 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 5270] close(7 [pid 3500] rmdir("./279" [pid 5271] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 5271] <... mmap resumed>) = 0x20002000 [pid 5270] close(8 [pid 3500] mkdir("./280", 0777 [pid 5271] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(7 [pid 5268] close(13 [pid 5267] close(19 [pid 3500] <... mkdir resumed>) = 0 [pid 5271] <... mmap resumed>) = 0x20000000 [pid 5270] close(9 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... 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 5272 attached [pid 5271] close(3 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(8 [pid 5268] close(14 [pid 5267] close(20 [pid 5272] set_robust_list(0x5555573195e0, 24 [pid 5271] <... close resumed>) = 0 [pid 5270] close(10 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 282 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5271] close(4 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(9 [pid 5268] close(15 [pid 5267] close(21 [pid 5272] chdir("./280" [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(11 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... chdir resumed>) = 0 [pid 5271] close(5 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(10 [pid 5268] close(16 [pid 5267] close(22 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(12 [pid 5272] <... prctl resumed>) = 0 [pid 5271] close(6 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] setpgid(0, 0 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(13 [pid 5269] close(11 [pid 5268] close(17 [pid 5267] close(23 [pid 5272] <... setpgid resumed>) = 0 [pid 5271] close(7 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(14 [pid 5269] close(12 [pid 5268] close(18 [pid 5267] close(24 [pid 5272] <... symlink resumed>) = 0 [pid 5271] close(8 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(15 [pid 5269] close(13 [pid 5268] close(19 [pid 5267] close(25 [pid 5272] <... symlink resumed>) = 0 [pid 5271] close(9 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(16 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... symlink resumed>) = 0 [pid 5271] close(10 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(17 [pid 5269] close(14 [pid 5268] close(20 [pid 5267] close(26 [pid 5272] <... openat resumed>) = 3 [pid 5271] close(11 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] write(3, "1000", 4 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(18 [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... write resumed>) = 4 [pid 5271] close(12 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(15 [pid 5268] close(21 [pid 5267] close(27 [pid 5272] close(3 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(19 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... close resumed>) = 0 [pid 5271] close(13 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(16 [pid 5268] close(22 [pid 5267] close(28 [pid 5272] read(200, [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(20 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5271] close(14 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] symlink("/dev/binderfs", "./binderfs" [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(21 [pid 5272] <... symlink resumed>) = 0 [pid 5271] close(15 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(17 [pid 5268] close(23 [pid 5267] close(29 [pid 5272] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(22 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... 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 5271] close(16 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(18 [pid 5268] close(24 [pid 5267] exit_group(0 [pid 5272] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(23 [pid 5272] <... mmap resumed>) = 0x20002000 [pid 5271] close(17 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(24 [pid 5272] <... mmap resumed>) = 0x20000000 [pid 5271] close(18 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] <... exit_group resumed>) = ? [pid 5272] close(3 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(25 [pid 5269] close(19 [pid 5272] <... close resumed>) = 0 [pid 5271] close(19 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] close(25 [pid 5272] close(4 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(26 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(20 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] close(5 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(27 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(21 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] +++ exited with 0 +++ [pid 5272] close(6 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(28 [pid 5269] close(20 [pid 5268] close(26 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(22 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5272] close(7 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] close(29 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(23 [pid 5270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] close(21 [pid 5268] close(27 [pid 5272] close(8 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] exit_group(0 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(24 [pid 5270] <... exit_group resumed>) = ? [pid 5272] close(9 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5270] +++ exited with 0 +++ [pid 5269] close(22 [pid 5268] close(28 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(25 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5272] close(10 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(26 [pid 5269] close(23 [pid 5268] close(29 [pid 3503] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] close(11 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(27 [pid 5269] close(24 [pid 5268] exit_group(0 [pid 3503] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5272] close(12 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... exit_group resumed>) = ? [pid 3501] <... openat resumed>) = 3 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(28 [pid 5269] close(25 [pid 3503] <... openat resumed>) = 3 [pid 5272] close(13 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] +++ exited with 0 +++ [pid 3503] fstat(3, [pid 3501] fstat(3, [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] close(29 [pid 5269] close(26 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] getdents64(3, [pid 5269] close(27 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5269] close(28 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] close(14 [pid 5271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./282/binderfs", [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5271] exit_group(0 [pid 5269] close(29 [pid 3503] getdents64(3, [pid 5272] close(15 [pid 5271] <... exit_group resumed>) = ? [pid 5269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5269] exit_group(0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./282/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5269] <... exit_group resumed>) = ? [pid 3501] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5272] close(16 [pid 5269] +++ exited with 0 +++ [pid 3503] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] fstat(3, [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./282/cgroup.net", [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] close(17 [pid 5271] +++ exited with 0 +++ [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] getdents64(3, [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./291/binderfs", [pid 3501] unlink("./282/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5272] close(18 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./291/binderfs" [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3501] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] close(19 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./274/binderfs", [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] lstat("./282/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5272] close(20 [pid 3504] <... openat resumed>) = 3 [pid 3503] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./274/binderfs" [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./282/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5272] close(21 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] lstat("./291/cgroup.net", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] getdents64(3, [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] close(22 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./274/cgroup.net", [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./291/cgroup.net" [pid 5272] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3502] fstat(3, [pid 3501] lstat("./282/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./293/binderfs", [pid 3503] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] close(24 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./274/cgroup.net" [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] lstat("./291/cgroup.cpu", [pid 5272] close(25 [pid 3504] unlink("./293/binderfs" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] unlink("./282/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./291/cgroup.cpu" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5272] close(26 [pid 3504] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] close(27 [pid 3504] lstat("./293/cgroup.net", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./291/cgroup", [pid 5272] close(28 [pid 3504] unlink("./293/cgroup.net" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./291/cgroup" [pid 5272] close(29 [pid 3504] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 5272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 5272] exit_group(0 [pid 3504] lstat("./293/cgroup.cpu", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5272] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] close(3 [pid 5272] +++ exited with 0 +++ [pid 3504] unlink("./293/cgroup.cpu" [pid 3503] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] rmdir("./291" [pid 3502] lstat("./288/binderfs", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] lstat("./274/cgroup.cpu", [pid 3504] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... rmdir resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] mkdir("./292", 0777 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] unlink("./288/binderfs" [pid 3501] <... close resumed>) = 0 [pid 3499] unlink("./274/cgroup.cpu" [pid 3502] <... unlink resumed>) = 0 [pid 3501] rmdir("./282" [pid 3499] <... unlink resumed>) = 0 [pid 3502] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... rmdir resumed>) = 0 [pid 3499] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] lstat("./293/cgroup", [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] mkdir("./283", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./288/cgroup.net", [pid 3501] <... mkdir resumed>) = 0 [pid 3499] lstat("./274/cgroup", [pid 3504] unlink("./293/cgroup" [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 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5274 attached ./strace-static-x86_64: Process 5273 attached [pid 3504] <... unlink resumed>) = 0 [pid 3502] unlink("./288/cgroup.net" [pid 3499] unlink("./274/cgroup" [pid 5274] set_robust_list(0x5555573195e0, 24 [pid 5273] set_robust_list(0x5555573195e0, 24 [pid 3504] getdents64(3, [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 294 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 285 [pid 3499] <... unlink resumed>) = 0 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5274] chdir("./283" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5274] <... chdir resumed>) = 0 [pid 5273] chdir("./292" [pid 3504] close(3 [pid 3502] lstat("./288/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] close(3 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5273] <... chdir resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... close resumed>) = 0 [pid 5274] <... prctl resumed>) = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] rmdir("./293" [pid 3502] unlink("./288/cgroup.cpu" [pid 3499] rmdir("./274" [pid 5274] setpgid(0, 0 [pid 5273] <... prctl resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 3499] <... rmdir resumed>) = 0 [pid 5274] <... setpgid resumed>) = 0 [pid 5273] setpgid(0, 0 [pid 3504] mkdir("./294", 0777 [pid 3502] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 3499] mkdir("./275", 0777 [pid 5274] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5273] <... setpgid resumed>) = 0 [pid 3504] <... mkdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5274] <... symlink resumed>) = 0 [pid 5273] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./288/cgroup", [pid 3500] getdents64(3, [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached ./strace-static-x86_64: Process 5276 attached [pid 5274] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5273] <... symlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5275] set_robust_list(0x5555573195e0, 24 [pid 5274] <... symlink resumed>) = 0 [pid 5273] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 296 [pid 3502] unlink("./288/cgroup" [pid 3500] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 277 [pid 5276] set_robust_list(0x5555573195e0, 24 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5273] <... symlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] chdir("./275" [pid 5274] <... symlink resumed>) = 0 [pid 3502] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5273] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5276] chdir("./294" [pid 5275] <... chdir resumed>) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] <... symlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./280/binderfs", [pid 5276] <... chdir resumed>) = 0 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5274] <... openat resumed>) = 3 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] close(3 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] <... prctl resumed>) = 0 [pid 5274] write(3, "1000", 4 [pid 5273] <... openat resumed>) = 3 [pid 3502] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5276] <... prctl resumed>) = 0 [pid 5275] setpgid(0, 0 [pid 5274] <... write resumed>) = 4 [pid 5273] write(3, "1000", 4 [pid 3502] rmdir("./288" [pid 5276] setpgid(0, 0 [pid 5275] <... setpgid resumed>) = 0 [pid 5274] close(3 [pid 5273] <... write resumed>) = 4 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] unlink("./280/binderfs" [pid 5276] <... setpgid resumed>) = 0 [pid 5275] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5274] <... close resumed>) = 0 [pid 5273] close(3 [pid 3502] mkdir("./289", 0777 [pid 5276] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5275] <... symlink resumed>) = 0 [pid 5274] read(200, [pid 5273] <... close resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5276] <... symlink resumed>) = 0 [pid 5275] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5274] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] read(200, [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5277 attached [pid 5276] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5275] <... symlink resumed>) = 0 [pid 5274] symlink("/dev/binderfs", "./binderfs" [pid 5273] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5276] <... symlink resumed>) = 0 [pid 5275] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5277] set_robust_list(0x5555573195e0, 24 [pid 5274] <... symlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 291 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5276] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5275] <... symlink resumed>) = 0 [pid 5274] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5273] symlink("/dev/binderfs", "./binderfs" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] chdir("./289" [pid 5276] <... symlink resumed>) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5274] <... 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 5273] <... symlink resumed>) = 0 [pid 3500] lstat("./280/cgroup.net", [pid 5277] <... chdir resumed>) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... openat resumed>) = 3 [pid 5274] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5273] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] <... openat resumed>) = 3 [pid 5275] write(3, "1000", 4 [pid 5274] <... mmap resumed>) = 0x20002000 [pid 5273] <... 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 3500] unlink("./280/cgroup.net" [pid 5277] <... prctl resumed>) = 0 [pid 5276] write(3, "1000", 4 [pid 5275] <... write resumed>) = 4 [pid 5274] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5273] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] <... unlink resumed>) = 0 [pid 5277] setpgid(0, 0 [pid 5276] <... write resumed>) = 4 [pid 5275] close(3 [pid 5274] <... mmap resumed>) = 0x20000000 [pid 5273] <... mmap resumed>) = 0x20002000 [pid 3500] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] <... setpgid resumed>) = 0 [pid 5276] close(3 [pid 5275] <... close resumed>) = 0 [pid 5274] close(3 [pid 5273] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5276] <... close resumed>) = 0 [pid 5275] read(200, [pid 5274] <... close resumed>) = 0 [pid 5273] <... mmap resumed>) = 0x20000000 [pid 3500] lstat("./280/cgroup.cpu", [pid 5277] <... symlink resumed>) = 0 [pid 5276] read(200, [pid 5275] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] close(4 [pid 5273] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5277] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5276] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] symlink("/dev/binderfs", "./binderfs" [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] <... close resumed>) = 0 [pid 3500] unlink("./280/cgroup.cpu" [pid 5277] <... symlink resumed>) = 0 [pid 5276] symlink("/dev/binderfs", "./binderfs" [pid 5275] <... symlink resumed>) = 0 [pid 5274] close(5 [pid 5273] close(4 [pid 3500] <... unlink resumed>) = 0 [pid 5277] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5276] <... symlink resumed>) = 0 [pid 5275] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] <... symlink resumed>) = 0 [pid 5276] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5275] <... 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 5274] close(6 [pid 5273] close(5 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./280/cgroup", [pid 5277] <... openat resumed>) = 3 [pid 5276] <... 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 5275] <... mmap resumed>) = 0x20002000 [pid 5274] close(7 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5277] write(3, "1000", 4 [pid 5276] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5275] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(6 [pid 3500] unlink("./280/cgroup" [pid 5277] <... write resumed>) = 4 [pid 5276] <... mmap resumed>) = 0x20002000 [pid 5275] <... mmap resumed>) = 0x20000000 [pid 5274] close(8 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... unlink resumed>) = 0 [pid 5277] close(3 [pid 5276] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5275] close(3 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(7 [pid 3500] getdents64(3, [pid 5277] <... close resumed>) = 0 [pid 5276] <... mmap resumed>) = 0x20000000 [pid 5275] <... close resumed>) = 0 [pid 5274] close(9 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5277] read(200, [pid 5276] close(3 [pid 5275] close(4 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(8 [pid 3500] close(3 [pid 5277] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] <... close resumed>) = 0 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(10 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 5277] symlink("/dev/binderfs", "./binderfs" [pid 5276] close(4 [pid 5275] close(5 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(9 [pid 3500] rmdir("./280" [pid 5277] <... symlink resumed>) = 0 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(11 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... rmdir resumed>) = 0 [pid 5275] close(6 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(10 [pid 3500] mkdir("./281", 0777 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(12 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 5275] close(7 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(11 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached [pid 5277] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5276] close(5 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(13 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] set_robust_list(0x5555573195e0, 24 [pid 5277] <... 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 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(8 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(12 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 283 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5277] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5276] close(6 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] chdir("./281" [pid 5277] <... mmap resumed>) = 0x20002000 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(9 [pid 5274] close(14 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... chdir resumed>) = 0 [pid 5277] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5276] close(7 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(13 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5277] <... mmap resumed>) = 0x20000000 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... prctl resumed>) = 0 [pid 5277] close(3 [pid 5276] close(8 [pid 5275] close(10 [pid 5274] close(15 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] setpgid(0, 0 [pid 5277] <... close resumed>) = 0 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... setpgid resumed>) = 0 [pid 5277] close(4 [pid 5276] close(9 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(14 [pid 5278] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(11 [pid 5274] close(16 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... symlink resumed>) = 0 [pid 5277] close(5 [pid 5276] close(10 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(12 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(15 [pid 5278] <... symlink resumed>) = 0 [pid 5277] close(6 [pid 5276] close(11 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(17 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(13 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(16 [pid 5278] <... symlink resumed>) = 0 [pid 5277] close(7 [pid 5276] close(12 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(18 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... openat resumed>) = 3 [pid 5277] close(8 [pid 5276] close(13 [pid 5278] write(3, "1000", 4 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(14 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(17 [pid 5278] <... write resumed>) = 4 [pid 5277] close(9 [pid 5276] close(14 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(19 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(3 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(15 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(18 [pid 5278] <... close resumed>) = 0 [pid 5277] close(10 [pid 5276] close(15 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(20 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] read(200, [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(16 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(19 [pid 5278] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] close(11 [pid 5276] close(16 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(21 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] symlink("/dev/binderfs", "./binderfs" [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(17 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(20 [pid 5278] <... symlink resumed>) = 0 [pid 5277] close(12 [pid 5276] close(17 [pid 5278] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(22 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... 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 5277] close(13 [pid 5276] close(18 [pid 5275] close(18 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(21 [pid 5278] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... mmap resumed>) = 0x20002000 [pid 5277] close(14 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] close(19 [pid 5274] close(23 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(19 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(22 [pid 5278] <... mmap resumed>) = 0x20000000 [pid 5277] close(15 [pid 5276] close(20 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(24 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(3 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(20 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(23 [pid 5278] <... close resumed>) = 0 [pid 5277] close(16 [pid 5276] close(21 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(25 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(4 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(21 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(24 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(17 [pid 5276] close(22 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(26 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(5 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(22 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(25 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(18 [pid 5276] close(23 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(27 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(6 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(23 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(26 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(19 [pid 5276] close(24 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(28 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(7 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(24 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(27 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(20 [pid 5276] close(25 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] close(29 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(8 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(25 [pid 5274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] close(28 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(21 [pid 5276] close(26 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5274] exit_group(0 [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(9 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] close(26 [pid 5274] <... exit_group resumed>) = ? [pid 5273] close(29 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(22 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(10 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] close(27 [pid 5275] close(27 [pid 5274] +++ exited with 0 +++ [pid 5273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(23 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(11 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] close(28 [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5273] exit_group(0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(24 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(12 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] close(29 [pid 5275] close(28 [pid 5273] <... exit_group resumed>) = ? [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(25 [pid 5276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(13 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] exit_group(0 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(26 [pid 5276] <... exit_group resumed>) = ? [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] close(14 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5276] +++ exited with 0 +++ [pid 5273] +++ exited with 0 +++ [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(27 [pid 5278] close(15 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(28 [pid 5275] close(29 [pid 5278] close(16 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] close(29 [pid 5278] close(17 [pid 5277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] exit_group(0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5278] close(18 [pid 5277] <... exit_group resumed>) = ? [pid 5275] exit_group(0 [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5277] +++ exited with 0 +++ [pid 5275] <... exit_group resumed>) = ? [pid 3501] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5278] close(19) = -1 EBADF (Bad file descriptor) [pid 5278] close(20) = -1 EBADF (Bad file descriptor) [pid 5278] close(21) = -1 EBADF (Bad file descriptor) [pid 5278] close(22) = -1 EBADF (Bad file descriptor) [pid 5278] close(23) = -1 EBADF (Bad file descriptor) [pid 5278] close(24) = -1 EBADF (Bad file descriptor) [pid 5278] close(25) = -1 EBADF (Bad file descriptor) [pid 5278] close(26) = -1 EBADF (Bad file descriptor) [pid 5278] close(27) = -1 EBADF (Bad file descriptor) [pid 5278] close(28 [pid 3504] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5278] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5275] +++ exited with 0 +++ [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5278] exit_group(0 [pid 3501] <... openat resumed>) = 3 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5278] <... exit_group resumed>) = ? [pid 3504] <... openat resumed>) = 3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... restart_syscall resumed>) = 0 [pid 5278] +++ exited with 0 +++ [pid 3501] fstat(3, [pid 3504] fstat(3, [pid 3503] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] getdents64(3, [pid 3503] <... openat resumed>) = 3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] fstat(3, [pid 3502] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3502] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] lstat("./294/binderfs", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... openat resumed>) = 3 [pid 3501] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] fstat(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 3504] unlink("./294/binderfs" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./283/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./292/binderfs", [pid 3502] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] getdents64(3, [pid 3504] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./283/binderfs" [pid 3500] <... openat resumed>) = 3 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./292/binderfs" [pid 3502] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 3499] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] lstat("./294/cgroup.net", [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./289/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] lstat("./275/binderfs", [pid 3504] unlink("./294/cgroup.net" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./283/cgroup.net", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./292/cgroup.net", [pid 3502] unlink("./289/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./275/binderfs" [pid 3504] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./283/cgroup.net" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./294/cgroup.cpu", [pid 3503] unlink("./292/cgroup.net" [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./281/binderfs", [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] unlink("./294/cgroup.cpu" [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./281/binderfs" [pid 3504] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./289/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./292/cgroup.cpu", [pid 3504] lstat("./294/cgroup", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./283/cgroup.cpu", [pid 3500] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./275/cgroup.net", [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] unlink("./292/cgroup.cpu" [pid 3502] unlink("./289/cgroup.net" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] unlink("./294/cgroup" [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./283/cgroup.cpu" [pid 3500] lstat("./281/cgroup.net", [pid 3499] unlink("./275/cgroup.net" [pid 3503] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./281/cgroup.net" [pid 3499] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./292/cgroup", [pid 3502] lstat("./289/cgroup.cpu", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./283/cgroup", [pid 3500] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./275/cgroup.cpu", [pid 3504] getdents64(3, [pid 3503] unlink("./292/cgroup" [pid 3502] unlink("./289/cgroup.cpu" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./283/cgroup" [pid 3500] lstat("./281/cgroup.cpu", [pid 3499] unlink("./275/cgroup.cpu" [pid 3504] close(3 [pid 3503] getdents64(3, [pid 3502] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3504] <... close resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] unlink("./281/cgroup.cpu" [pid 3499] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] rmdir("./294" [pid 3503] close(3 [pid 3502] lstat("./289/cgroup", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] close(3 [pid 3500] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./275/cgroup", [pid 3504] mkdir("./295", 0777 [pid 3503] rmdir("./292" [pid 3502] unlink("./289/cgroup" [pid 3501] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] rmdir("./283" [pid 3500] lstat("./281/cgroup", [pid 3499] unlink("./275/cgroup" [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] mkdir("./293", 0777 [pid 3502] getdents64(3, [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5279 attached [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] mkdir("./284", 0777 [pid 5279] set_robust_list(0x5555573195e0, 24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 297 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] close(3 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] unlink("./281/cgroup" [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5280 attached [pid 5279] <... set_robust_list resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5281 attached [pid 5280] set_robust_list(0x5555573195e0, 24 [pid 5279] chdir("./295" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 295 [pid 3502] rmdir("./289" [pid 3500] getdents64(3, [pid 3499] close(3 [pid 5281] set_robust_list(0x5555573195e0, 24 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] <... chdir resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 286 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... close resumed>) = 0 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] chdir("./293" [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] mkdir("./290", 0777 [pid 3500] close(3 [pid 3499] rmdir("./275" [pid 5280] <... chdir resumed>) = 0 [pid 5279] <... prctl resumed>) = 0 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] setpgid(0, 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] rmdir("./281" [pid 3499] mkdir("./276", 0777 [pid 5281] chdir("./284" [pid 5280] <... prctl resumed>) = 0 [pid 5279] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5282 attached [pid 5281] <... chdir resumed>) = 0 [pid 5280] setpgid(0, 0 [pid 5279] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 292 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5282] set_robust_list(0x5555573195e0, 24 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] <... setpgid resumed>) = 0 [pid 5279] <... symlink resumed>) = 0 [pid 3500] mkdir("./282", 0777 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5282] <... set_robust_list resumed>) = 0 [pid 5281] <... prctl resumed>) = 0 [pid 5280] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5279] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3500] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5283 attached [pid 5282] chdir("./290" [pid 5281] setpgid(0, 0 [pid 5280] <... symlink resumed>) = 0 [pid 5282] <... chdir resumed>) = 0 [pid 5281] <... setpgid resumed>) = 0 [pid 5279] <... symlink resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 278 [pid 5283] set_robust_list(0x5555573195e0, 24 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5281] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5280] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5279] symlink("/syzcgroup/net/syz2", "./cgroup.net"./strace-static-x86_64: Process 5284 attached [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] <... prctl resumed>) = 0 [pid 5281] <... symlink resumed>) = 0 [pid 5280] <... symlink resumed>) = 0 [pid 5284] set_robust_list(0x5555573195e0, 24 [pid 5283] chdir("./276" [pid 5282] setpgid(0, 0 [pid 5281] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5280] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5279] <... symlink resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 284 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5283] <... chdir resumed>) = 0 [pid 5282] <... setpgid resumed>) = 0 [pid 5281] <... symlink resumed>) = 0 [pid 5280] <... symlink resumed>) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] chdir("./282" [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5281] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] <... openat resumed>) = 3 [pid 5284] <... chdir resumed>) = 0 [pid 5283] <... prctl resumed>) = 0 [pid 5282] <... symlink resumed>) = 0 [pid 5281] <... symlink resumed>) = 0 [pid 5280] <... openat resumed>) = 3 [pid 5279] write(3, "1000", 4 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5283] setpgid(0, 0 [pid 5282] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] write(3, "1000", 4 [pid 5279] <... write resumed>) = 4 [pid 5284] <... prctl resumed>) = 0 [pid 5283] <... setpgid resumed>) = 0 [pid 5282] <... symlink resumed>) = 0 [pid 5281] <... openat resumed>) = 3 [pid 5280] <... write resumed>) = 4 [pid 5279] close(3 [pid 5284] setpgid(0, 0 [pid 5283] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5282] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5281] write(3, "1000", 4 [pid 5280] close(3 [pid 5279] <... close resumed>) = 0 [pid 5284] <... setpgid resumed>) = 0 [pid 5283] <... symlink resumed>) = 0 [pid 5282] <... symlink resumed>) = 0 [pid 5281] <... write resumed>) = 4 [pid 5280] <... close resumed>) = 0 [pid 5279] read(200, [pid 5284] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5283] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5281] close(3 [pid 5280] read(200, [pid 5279] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... symlink resumed>) = 0 [pid 5283] <... symlink resumed>) = 0 [pid 5282] <... openat resumed>) = 3 [pid 5281] <... close resumed>) = 0 [pid 5280] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] symlink("/dev/binderfs", "./binderfs" [pid 5284] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5283] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5282] write(3, "1000", 4 [pid 5281] read(200, [pid 5280] symlink("/dev/binderfs", "./binderfs" [pid 5279] <... symlink resumed>) = 0 [pid 5284] <... symlink resumed>) = 0 [pid 5283] <... symlink resumed>) = 0 [pid 5282] <... write resumed>) = 4 [pid 5281] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] <... symlink resumed>) = 0 [pid 5279] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5284] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5282] close(3 [pid 5281] symlink("/dev/binderfs", "./binderfs" [pid 5280] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5279] <... 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 5284] <... symlink resumed>) = 0 [pid 5283] <... openat resumed>) = 3 [pid 5282] <... close resumed>) = 0 [pid 5281] <... symlink resumed>) = 0 [pid 5280] <... 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 5279] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] write(3, "1000", 4 [pid 5282] read(200, [pid 5281] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5280] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5279] <... mmap resumed>) = 0x20002000 [pid 5284] <... openat resumed>) = 3 [pid 5283] <... write resumed>) = 4 [pid 5282] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] <... mmap resumed>) = 0x20002000 [pid 5279] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5284] write(3, "1000", 4 [pid 5283] close(3 [pid 5282] symlink("/dev/binderfs", "./binderfs" [pid 5281] <... 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 5280] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5279] <... mmap resumed>) = 0x20000000 [pid 5284] <... write resumed>) = 4 [pid 5283] <... close resumed>) = 0 [pid 5282] <... symlink resumed>) = 0 [pid 5281] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5280] <... mmap resumed>) = 0x20000000 [pid 5279] close(3 [pid 5284] close(3 [pid 5283] read(200, [pid 5282] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5281] <... mmap resumed>) = 0x20002000 [pid 5280] close(3 [pid 5279] <... close resumed>) = 0 [pid 5284] <... close resumed>) = 0 [pid 5283] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... 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 5281] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5280] <... close resumed>) = 0 [pid 5279] close(4 [pid 5284] read(200, [pid 5283] symlink("/dev/binderfs", "./binderfs" [pid 5282] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5281] <... mmap resumed>) = 0x20000000 [pid 5280] close(4 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... symlink resumed>) = 0 [pid 5282] <... mmap resumed>) = 0x20002000 [pid 5281] close(3 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(5 [pid 5284] symlink("/dev/binderfs", "./binderfs" [pid 5283] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5282] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5280] close(5 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... symlink resumed>) = 0 [pid 5283] <... 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 5282] <... mmap resumed>) = 0x20000000 [pid 5281] <... close resumed>) = 0 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(6 [pid 5284] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5283] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5282] close(3 [pid 5281] close(4 [pid 5280] close(6 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... 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 5283] <... mmap resumed>) = 0x20002000 [pid 5282] <... close resumed>) = 0 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(7 [pid 5284] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5283] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5282] close(4 [pid 5281] close(5 [pid 5280] close(7 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... mmap resumed>) = 0x20002000 [pid 5283] <... mmap resumed>) = 0x20000000 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(8 [pid 5284] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5283] close(3 [pid 5282] close(5 [pid 5281] close(6 [pid 5280] close(8 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... mmap resumed>) = 0x20000000 [pid 5283] <... close resumed>) = 0 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(9 [pid 5284] close(3 [pid 5283] close(4 [pid 5282] close(6 [pid 5281] close(7 [pid 5280] close(9 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = 0 [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(10 [pid 5284] close(4 [pid 5283] close(5 [pid 5282] close(7 [pid 5281] close(8 [pid 5280] close(10 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(11 [pid 5284] close(5 [pid 5283] close(6 [pid 5282] close(8 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(11 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(9 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(12 [pid 5284] close(6 [pid 5283] close(7 [pid 5282] close(9 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(12 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(10 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(7 [pid 5283] close(8 [pid 5282] close(10 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(13 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(11 [pid 5280] close(13 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(8 [pid 5283] close(9 [pid 5282] close(11 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(14 [pid 5281] close(12 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(14 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(9 [pid 5283] close(10 [pid 5282] close(12 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(15 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(13 [pid 5280] close(15 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(10 [pid 5283] close(11 [pid 5282] close(13 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(16 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(14 [pid 5280] close(16 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(11 [pid 5283] close(12 [pid 5282] close(14 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(17 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(15 [pid 5280] close(17 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(12 [pid 5283] close(13 [pid 5282] close(15 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(18 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(16 [pid 5280] close(18 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(13 [pid 5283] close(14 [pid 5282] close(16 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(19 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(17 [pid 5280] close(19 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(14 [pid 5283] close(15 [pid 5282] close(17 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(20 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(18 [pid 5280] close(20 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(15 [pid 5283] close(16 [pid 5282] close(18 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(21 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(19 [pid 5280] close(21 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(16 [pid 5283] close(17 [pid 5282] close(19 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(22 [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] close(20 [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(17 [pid 5283] close(18 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(22 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(20 [pid 5281] close(21 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(23 [pid 5284] close(18 [pid 5283] close(19 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(23 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(21 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(24 [pid 5281] close(22 [pid 5284] close(19 [pid 5283] close(20 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(24 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(22 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(25 [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] close(20 [pid 5283] close(21 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(25 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(23 [pid 5281] close(23 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(26 [pid 5284] close(21 [pid 5283] close(22 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(26 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(24 [pid 5281] close(24 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(27 [pid 5284] close(22 [pid 5283] close(23 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(27 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(25 [pid 5281] close(25 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(28 [pid 5284] close(23 [pid 5283] close(24 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(28 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(26 [pid 5281] close(26 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(29 [pid 5284] close(24 [pid 5283] close(25 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(29 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(27 [pid 5281] close(27 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] exit_group(0 [pid 5284] close(25 [pid 5283] close(26 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] exit_group(0 [pid 5279] <... exit_group resumed>) = ? [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(28 [pid 5281] close(28 [pid 5280] <... exit_group resumed>) = ? [pid 5279] +++ exited with 0 +++ [pid 5284] close(26 [pid 5283] close(27 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] close(29 [pid 5281] close(29 [pid 5284] close(27 [pid 5283] close(28 [pid 5282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] exit_group(0 [pid 5281] exit_group(0 [pid 5280] +++ exited with 0 +++ [pid 5284] close(28 [pid 5283] close(29 [pid 5282] <... exit_group resumed>) = ? [pid 5281] <... exit_group resumed>) = ? [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3504] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... restart_syscall resumed>) = 0 [pid 3504] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3504] fstat(3, [pid 3503] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] getdents64(3, [pid 3503] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... openat resumed>) = 3 [pid 3504] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] fstat(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] lstat("./295/binderfs", [pid 3503] getdents64(3, [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] unlink("./295/binderfs" [pid 3503] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5284] close(29 [pid 5283] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./293/binderfs", [pid 5284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] lstat("./295/cgroup.net", [pid 3503] unlink("./293/binderfs" [pid 5284] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3504] unlink("./295/cgroup.net" [pid 3503] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./293/cgroup.net", [pid 5284] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] lstat("./295/cgroup.cpu", [pid 3503] unlink("./293/cgroup.net" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3504] unlink("./295/cgroup.cpu" [pid 3503] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./293/cgroup.cpu", [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] lstat("./295/cgroup", [pid 3503] unlink("./293/cgroup.cpu" [pid 5284] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5283] +++ exited with 0 +++ [pid 3504] unlink("./295/cgroup" [pid 3503] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] getdents64(3, [pid 3503] lstat("./293/cgroup", [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] close(3 [pid 3503] unlink("./293/cgroup" [pid 3504] <... close resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3504] rmdir("./295" [pid 3503] getdents64(3, [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3504] mkdir("./296", 0777 [pid 3503] close(3 [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] rmdir("./293"./strace-static-x86_64: Process 5285 attached ) = 0 [pid 3501] fstat(3, [pid 5285] set_robust_list(0x5555573195e0, 24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 298 [pid 3503] mkdir("./294", 0777 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5285] <... set_robust_list resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3501] getdents64(3, [pid 5285] chdir("./296" [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5286 attached [pid 5285] <... chdir resumed>) = 0 [pid 3501] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 296 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... restart_syscall resumed>) = 0 [pid 5286] set_robust_list(0x5555573195e0, 24 [pid 5285] <... prctl resumed>) = 0 [pid 3502] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./284/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] setpgid(0, 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5285] <... setpgid resumed>) = 0 [pid 3501] unlink("./284/binderfs" [pid 5285] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 5286] chdir("./294" [pid 5285] <... symlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5286] <... chdir resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... openat resumed>) = 3 [pid 3499] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] <... openat resumed>) = 3 [pid 3500] fstat(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... prctl resumed>) = 0 [pid 3502] fstat(3, [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5286] setpgid(0, 0 [pid 5285] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 5286] <... setpgid resumed>) = 0 [pid 3502] getdents64(3, [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] fstat(3, [pid 5286] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5285] <... symlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5286] <... symlink resumed>) = 0 [pid 3502] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5286] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5285] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./284/cgroup.net", [pid 3500] lstat("./282/binderfs", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5286] <... symlink resumed>) = 0 [pid 3502] lstat("./290/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5285] <... symlink resumed>) = 0 [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] unlink("./282/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... symlink resumed>) = 0 [pid 3502] unlink("./290/binderfs" [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./276/binderfs", [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5286] <... openat resumed>) = 3 [pid 3502] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./276/binderfs" [pid 5286] write(3, "1000", 4 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./284/cgroup.net" [pid 3500] lstat("./282/cgroup.net", [pid 3499] <... unlink resumed>) = 0 [pid 5286] <... write resumed>) = 4 [pid 5285] <... openat resumed>) = 3 [pid 3502] lstat("./290/cgroup.net", [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] close(3 [pid 5285] write(3, "1000", 4 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./282/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... close resumed>) = 0 [pid 5285] <... write resumed>) = 4 [pid 3502] unlink("./290/cgroup.net" [pid 3501] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./276/cgroup.net", [pid 5286] read(200, [pid 5285] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5286] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... close resumed>) = 0 [pid 3502] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./284/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./276/cgroup.net" [pid 5286] symlink("/dev/binderfs", "./binderfs" [pid 5285] read(200, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./282/cgroup.cpu", [pid 5286] <... symlink resumed>) = 0 [pid 5285] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] lstat("./290/cgroup.cpu", [pid 3501] unlink("./284/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5286] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5285] symlink("/dev/binderfs", "./binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5286] <... 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 5285] <... symlink resumed>) = 0 [pid 3501] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./290/cgroup.cpu" [pid 5286] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5285] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./282/cgroup.cpu" [pid 5286] <... mmap resumed>) = 0x20002000 [pid 5285] <... 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 3501] lstat("./284/cgroup", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5285] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3502] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... mmap resumed>) = 0x20000000 [pid 5285] <... mmap resumed>) = 0x20002000 [pid 3501] unlink("./284/cgroup" [pid 3499] lstat("./276/cgroup.cpu", [pid 5286] close(3 [pid 5285] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... close resumed>) = 0 [pid 5285] <... mmap resumed>) = 0x20000000 [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5286] close(4 [pid 5285] close(3 [pid 3502] lstat("./290/cgroup", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] close(3 [pid 3500] lstat("./282/cgroup", [pid 3499] unlink("./276/cgroup.cpu" [pid 5286] close(5 [pid 5285] close(4 [pid 3502] unlink("./290/cgroup" [pid 3501] <... close resumed>) = 0 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./284" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(5 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 5286] close(6 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3501] mkdir("./285", 0777 [pid 3500] unlink("./282/cgroup" [pid 3499] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(6 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] close(7 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] getdents64(3, [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(7 [pid 3502] <... close resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./276/cgroup", ./strace-static-x86_64: Process 5287 attached [pid 5286] close(8 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./290" [pid 3500] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5287] set_robust_list(0x5555573195e0, 24 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(8 [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 287 [pid 3500] <... close resumed>) = 0 [pid 3499] unlink("./276/cgroup" [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] close(9 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./291", 0777 [pid 3500] rmdir("./282" [pid 3499] <... unlink resumed>) = 0 [pid 5287] chdir("./285" [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(9 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5287] <... chdir resumed>) = 0 [pid 5286] close(10 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] mkdir("./283", 0777 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5288 attached [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(10 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] close(3 [pid 5288] set_robust_list(0x5555573195e0, 24 [pid 5287] <... prctl resumed>) = 0 [pid 5286] close(11 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 293 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... close resumed>) = 0 ./strace-static-x86_64: Process 5289 attached [pid 5288] <... set_robust_list resumed>) = 0 [pid 5287] setpgid(0, 0 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(11 [pid 3499] rmdir("./276" [pid 5289] set_robust_list(0x5555573195e0, 24 [pid 5288] chdir("./291" [pid 5287] <... setpgid resumed>) = 0 [pid 5286] close(12 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 285 [pid 3499] <... rmdir resumed>) = 0 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] <... chdir resumed>) = 0 [pid 5287] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(12 [pid 5289] chdir("./283" [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5287] <... symlink resumed>) = 0 [pid 5286] close(13 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./277", 0777 [pid 5289] <... chdir resumed>) = 0 [pid 5288] <... prctl resumed>) = 0 [pid 5287] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(13 [pid 3499] <... mkdir resumed>) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] setpgid(0, 0 [pid 5287] <... symlink resumed>) = 0 [pid 5286] close(14 [pid 5285] <... 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 5290 attached [pid 5289] <... prctl resumed>) = 0 [pid 5288] <... setpgid resumed>) = 0 [pid 5287] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(14 [pid 5290] set_robust_list(0x5555573195e0, 24 [pid 5289] setpgid(0, 0 [pid 5288] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5287] <... symlink resumed>) = 0 [pid 5286] close(15 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 279 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5289] <... setpgid resumed>) = 0 [pid 5288] <... symlink resumed>) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(15 [pid 5290] chdir("./277" [pid 5289] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5288] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5287] <... openat resumed>) = 3 [pid 5286] close(16 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... chdir resumed>) = 0 [pid 5289] <... symlink resumed>) = 0 [pid 5288] <... symlink resumed>) = 0 [pid 5287] write(3, "1000", 4 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(16 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5288] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5287] <... write resumed>) = 4 [pid 5286] close(17 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... prctl resumed>) = 0 [pid 5289] <... symlink resumed>) = 0 [pid 5288] <... symlink resumed>) = 0 [pid 5287] close(3 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(17 [pid 5290] setpgid(0, 0 [pid 5289] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5287] <... close resumed>) = 0 [pid 5286] close(18 [pid 5290] <... setpgid resumed>) = 0 [pid 5289] <... symlink resumed>) = 0 [pid 5288] <... openat resumed>) = 3 [pid 5287] read(200, [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] write(3, "1000", 4 [pid 5287] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] close(19 [pid 5285] close(18 [pid 5290] <... symlink resumed>) = 0 [pid 5289] <... openat resumed>) = 3 [pid 5288] <... write resumed>) = 4 [pid 5287] symlink("/dev/binderfs", "./binderfs" [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5289] write(3, "1000", 4 [pid 5288] close(3 [pid 5286] close(20 [pid 5290] <... symlink resumed>) = 0 [pid 5289] <... write resumed>) = 4 [pid 5288] <... close resumed>) = 0 [pid 5287] <... symlink resumed>) = 0 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(19 [pid 5290] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5289] close(3 [pid 5288] read(200, [pid 5287] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5286] close(21 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... symlink resumed>) = 0 [pid 5289] <... close resumed>) = 0 [pid 5288] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] <... 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 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(20 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5289] read(200, [pid 5288] symlink("/dev/binderfs", "./binderfs" [pid 5287] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5286] close(22 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... openat resumed>) = 3 [pid 5289] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] <... symlink resumed>) = 0 [pid 5287] <... mmap resumed>) = 0x20002000 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(21 [pid 5290] write(3, "1000", 4 [pid 5289] symlink("/dev/binderfs", "./binderfs" [pid 5288] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5287] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5286] close(23 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... write resumed>) = 4 [pid 5289] <... symlink resumed>) = 0 [pid 5288] <... 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 5287] <... mmap resumed>) = 0x20000000 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(22 [pid 5290] close(3 [pid 5289] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5288] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5287] close(3 [pid 5286] close(24 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... close resumed>) = 0 [pid 5289] <... 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 5288] <... mmap resumed>) = 0x20002000 [pid 5287] <... close resumed>) = 0 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(23 [pid 5290] read(200, [pid 5289] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5288] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5286] close(25 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] close(4 [pid 5290] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... mmap resumed>) = 0x20002000 [pid 5288] <... mmap resumed>) = 0x20000000 [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(24 [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] symlink("/dev/binderfs", "./binderfs" [pid 5289] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5288] close(3 [pid 5287] close(5 [pid 5286] close(26 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... symlink resumed>) = 0 [pid 5289] <... mmap resumed>) = 0x20000000 [pid 5288] <... close resumed>) = 0 [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(25 [pid 5290] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5289] close(3 [pid 5288] close(4 [pid 5287] close(6 [pid 5286] close(27 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... 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 5289] <... close resumed>) = 0 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(26 [pid 5290] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5289] close(4 [pid 5288] close(5 [pid 5287] close(7 [pid 5286] close(28 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... mmap resumed>) = 0x20002000 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(27 [pid 5290] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5289] close(5 [pid 5288] close(6 [pid 5287] close(8 [pid 5286] close(29 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... mmap resumed>) = 0x20000000 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] close(28 [pid 5290] close(3 [pid 5289] close(6 [pid 5288] close(7 [pid 5287] close(9 [pid 5286] exit_group(0 [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... close resumed>) = 0 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] <... exit_group resumed>) = ? [pid 5285] close(29 [pid 5290] close(4 [pid 5289] close(7 [pid 5288] close(8 [pid 5287] close(10 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] +++ exited with 0 +++ [pid 5285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] close(5 [pid 5289] close(8 [pid 5288] close(9 [pid 5287] close(11 [pid 5285] exit_group(0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... exit_group resumed>) = ? [pid 5290] close(6 [pid 5289] close(9 [pid 5288] close(10 [pid 5287] close(12 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] +++ exited with 0 +++ [pid 3503] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] close(7 [pid 5289] close(10 [pid 5288] close(11 [pid 5287] close(13 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5290] close(8 [pid 5289] close(11 [pid 5288] close(12 [pid 5287] close(14 [pid 3503] <... openat resumed>) = 3 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 5287] close(15 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5287] close(16 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5287] close(17 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] close(9 [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./294/binderfs", [pid 5289] close(12 [pid 5287] close(18 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./294/binderfs" [pid 5287] close(19 [pid 3503] <... unlink resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(13 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] close(10 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(13 [pid 5288] close(14 [pid 5287] close(20 [pid 3504] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] close(11 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] lstat("./294/cgroup.net", [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(14 [pid 5288] close(15 [pid 5287] close(21 [pid 3504] fstat(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] unlink("./294/cgroup.net" [pid 5288] close(16 [pid 5287] close(22 [pid 3504] getdents64(3, [pid 3503] <... unlink resumed>) = 0 [pid 5290] close(12 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(15 [pid 5288] close(17 [pid 5287] close(23 [pid 3504] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] close(13 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./294/cgroup.cpu", [pid 5288] close(18 [pid 5287] close(24 [pid 3504] lstat("./296/binderfs", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(16 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] unlink("./294/cgroup.cpu" [pid 5290] close(14 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(19 [pid 5287] close(25 [pid 3504] unlink("./296/binderfs" [pid 3503] <... unlink resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(17 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5288] close(20 [pid 5287] close(26 [pid 3504] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./294/cgroup", [pid 5288] close(21 [pid 5287] close(27 [pid 3504] lstat("./296/cgroup.net", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./294/cgroup" [pid 5290] close(15 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(22 [pid 5287] close(28 [pid 3504] unlink("./296/cgroup.net" [pid 3503] <... unlink resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(18 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 5290] close(16 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(23 [pid 5287] close(29 [pid 3504] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(19 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] close(3 [pid 5290] close(17 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(24 [pid 5287] exit_group(0 [pid 3504] lstat("./296/cgroup.cpu", [pid 3503] <... close resumed>) = 0 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] rmdir("./294" [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(20 [pid 5288] close(25 [pid 5287] +++ exited with 0 +++ [pid 3504] unlink("./296/cgroup.cpu" [pid 3503] <... rmdir resumed>) = 0 [pid 5290] close(18 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] mkdir("./295", 0777 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(21 [pid 5290] close(19 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(26 [pid 3504] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(22 [pid 3503] <... mkdir resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5290] close(20 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(23 [pid 5288] close(27 [pid 3504] lstat("./296/cgroup", [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5290] close(21 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5291 attached [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(24 [pid 5291] set_robust_list(0x5555573195e0, 24 [pid 5290] close(22 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... set_robust_list resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(25 [pid 5291] chdir("./295" [pid 5290] close(23 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... chdir resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(26 [pid 5288] close(28 [pid 3504] unlink("./296/cgroup" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 297 [pid 3501] <... restart_syscall resumed>) = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5290] close(24 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... prctl resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(27 [pid 3504] <... unlink resumed>) = 0 [pid 5291] setpgid(0, 0 [pid 5290] close(25 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(29 [pid 5291] <... setpgid resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(28 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5291] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5290] close(26 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... symlink resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] close(29 [pid 5288] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5291] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5290] close(27 [pid 5289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... symlink resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] exit_group(0 [pid 5288] <... exit_group resumed>) = ? [pid 3504] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5291] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5290] close(28 [pid 5289] <... exit_group resumed>) = ? [pid 5291] <... symlink resumed>) = 0 [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 3504] <... close resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5290] close(29 [pid 3504] rmdir("./296" [pid 3501] <... openat resumed>) = 3 [pid 3504] <... rmdir resumed>) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] fstat(3, [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./297", 0777 [pid 3502] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5291] <... openat resumed>) = 3 [pid 5290] exit_group(0 [pid 3504] <... mkdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 5291] write(3, "1000", 4 [pid 5290] <... exit_group resumed>) = ? [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5292 attached [pid 5291] <... write resumed>) = 4 [pid 5290] +++ exited with 0 +++ [pid 3502] <... openat resumed>) = 3 [pid 3501] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5292] set_robust_list(0x5555573195e0, 24 [pid 5291] close(3 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 299 [pid 3502] fstat(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] <... set_robust_list resumed>) = 0 [pid 5291] <... close resumed>) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./285/binderfs", [pid 3500] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] chdir("./297" [pid 5291] read(200, [pid 3502] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5292] <... chdir resumed>) = 0 [pid 5291] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./285/binderfs" [pid 3500] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5291] symlink("/dev/binderfs", "./binderfs" [pid 3502] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] <... prctl resumed>) = 0 [pid 5291] <... symlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 3499] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5292] setpgid(0, 0 [pid 5291] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] lstat("./291/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5292] <... setpgid resumed>) = 0 [pid 5291] <... 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./285/cgroup.net", [pid 3500] getdents64(3, [pid 3499] fstat(3, [pid 5292] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3502] unlink("./291/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5292] <... symlink resumed>) = 0 [pid 5291] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./285/cgroup.net" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5292] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5291] <... mmap resumed>) = 0x20002000 [pid 3500] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5292] <... symlink resumed>) = 0 [pid 5291] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5292] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5291] <... mmap resumed>) = 0x20000000 [pid 3500] lstat("./283/binderfs", [pid 3499] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] <... symlink resumed>) = 0 [pid 5291] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./285/cgroup.cpu", 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 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5291] <... close resumed>) = 0 [pid 3502] lstat("./291/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./283/binderfs" [pid 3499] lstat("./277/binderfs", [pid 5292] <... openat resumed>) = 3 [pid 5291] close(4 [pid 3502] <... 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=13, ...}) = 0 [pid 3501] lstat("./285/cgroup.cpu", [pid 5292] write(3, "1000", 4 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./291/cgroup.net" [pid 3500] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./277/binderfs" [pid 5292] <... write resumed>) = 4 [pid 5291] close(5 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5292] close(3 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./285/cgroup.cpu" [pid 3500] lstat("./283/cgroup.net", [pid 3499] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] <... close resumed>) = 0 [pid 5291] close(6 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] read(200, [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./283/cgroup.net" [pid 3499] lstat("./277/cgroup.net", [pid 5292] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] close(7 [pid 3502] lstat("./291/cgroup.cpu", [pid 3501] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs" [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./277/cgroup.net" [pid 5292] <... symlink resumed>) = 0 [pid 5291] close(8 [pid 3502] unlink("./291/cgroup.cpu" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5292] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./285/cgroup", [pid 3500] lstat("./283/cgroup.cpu", [pid 3499] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] <... 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 5291] close(9 [pid 3502] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... 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 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./285/cgroup" [pid 3500] unlink("./283/cgroup.cpu" [pid 3499] lstat("./277/cgroup.cpu", [pid 5292] <... mmap resumed>) = 0x20002000 [pid 5291] close(10 [pid 3502] lstat("./291/cgroup", [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5292] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] getdents64(3, [pid 3500] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./277/cgroup.cpu" [pid 5292] <... mmap resumed>) = 0x20000000 [pid 5291] close(11 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5292] close(3 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./291/cgroup" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] lstat("./283/cgroup", [pid 3499] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] <... close resumed>) = 0 [pid 5291] close(12 [pid 3502] <... unlink resumed>) = 0 [pid 3501] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] close(4 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./283/cgroup" [pid 3499] lstat("./277/cgroup", [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(13 [pid 3502] getdents64(3, [pid 3501] <... close resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5292] close(5 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 3499] unlink("./277/cgroup" [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(14 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] rmdir("./285" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5292] close(6 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 3500] close(3 [pid 3499] getdents64(3, [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(15 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5292] close(7 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... close resumed>) = 0 [pid 3500] rmdir("./283" [pid 3499] close(3 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(16 [pid 3502] rmdir("./291" [pid 3501] mkdir("./286", 0777 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5292] close(8 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] mkdir("./284", 0777 [pid 3499] rmdir("./277" [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(17 [pid 3502] mkdir("./292", 0777 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5293 attached [pid 5292] close(9 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] mkdir("./278", 0777 [pid 5293] set_robust_list(0x5555573195e0, 24 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(18 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 288 [pid 5292] close(10 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(19./strace-static-x86_64: Process 5294 attached [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] close(11 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5294] set_robust_list(0x5555573195e0, 24 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(20 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5292] close(12 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] chdir("./284" [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(21 [pid 5294] <... chdir resumed>) = 0 [pid 5292] close(13 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5295 attached [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] chdir("./286" [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 294 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 286 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5295] set_robust_list(0x5555573195e0, 24 [pid 5294] <... prctl resumed>) = 0 [pid 5293] <... chdir resumed>) = 0 [pid 5292] close(14 [pid 5291] close(22 [pid 5294] setpgid(0, 0 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5296 attached [pid 5294] <... setpgid resumed>) = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] close(15 [pid 5291] close(23 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5296] set_robust_list(0x5555573195e0, 24 [pid 5295] chdir("./292" [pid 5294] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5293] <... prctl resumed>) = 0 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 280 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5295] <... chdir resumed>) = 0 [pid 5294] <... symlink resumed>) = 0 [pid 5293] setpgid(0, 0 [pid 5292] close(16 [pid 5291] close(24 [pid 5296] chdir("./278" [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5293] <... setpgid resumed>) = 0 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] <... chdir resumed>) = 0 [pid 5295] <... prctl resumed>) = 0 [pid 5294] <... symlink resumed>) = 0 [pid 5293] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5292] close(17 [pid 5291] close(25 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5295] setpgid(0, 0 [pid 5294] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5293] <... symlink resumed>) = 0 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] <... prctl resumed>) = 0 [pid 5295] <... setpgid resumed>) = 0 [pid 5294] <... symlink resumed>) = 0 [pid 5293] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5292] close(18 [pid 5291] close(26 [pid 5296] setpgid(0, 0 [pid 5295] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] <... symlink resumed>) = 0 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] <... setpgid resumed>) = 0 [pid 5295] <... symlink resumed>) = 0 [pid 5293] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... openat resumed>) = 3 [pid 5296] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5295] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5293] <... symlink resumed>) = 0 [pid 5292] close(19 [pid 5291] close(27 [pid 5296] <... symlink resumed>) = 0 [pid 5295] <... symlink resumed>) = 0 [pid 5294] write(3, "1000", 4 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5295] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5294] <... write resumed>) = 4 [pid 5293] <... openat resumed>) = 3 [pid 5292] close(20 [pid 5291] close(28 [pid 5296] <... symlink resumed>) = 0 [pid 5295] <... symlink resumed>) = 0 [pid 5294] close(3 [pid 5293] write(3, "1000", 4 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] <... write resumed>) = 4 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] <... symlink resumed>) = 0 [pid 5295] <... openat resumed>) = 3 [pid 5294] <... close resumed>) = 0 [pid 5293] close(3 [pid 5292] close(21 [pid 5291] close(29 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5295] write(3, "1000", 4 [pid 5294] read(200, [pid 5293] <... close resumed>) = 0 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] <... openat resumed>) = 3 [pid 5295] <... write resumed>) = 4 [pid 5294] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] read(200, [pid 5292] close(22 [pid 5291] exit_group(0 [pid 5296] write(3, "1000", 4 [pid 5295] close(3 [pid 5294] symlink("/dev/binderfs", "./binderfs" [pid 5293] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] <... exit_group resumed>) = ? [pid 5296] <... write resumed>) = 4 [pid 5295] <... close resumed>) = 0 [pid 5293] symlink("/dev/binderfs", "./binderfs" [pid 5295] read(200, [pid 5294] <... symlink resumed>) = 0 [pid 5293] <... symlink resumed>) = 0 [pid 5292] close(23 [pid 5295] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5296] close(3 [pid 5295] symlink("/dev/binderfs", "./binderfs" [pid 5294] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5293] <... 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 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] +++ exited with 0 +++ [pid 5296] <... close resumed>) = 0 [pid 5295] <... symlink resumed>) = 0 [pid 5293] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5296] read(200, [pid 5295] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5294] <... 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 5293] <... mmap resumed>) = 0x20002000 [pid 5292] close(24 [pid 5296] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] <... 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 5294] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5293] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5296] symlink("/dev/binderfs", "./binderfs" [pid 5295] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5294] <... mmap resumed>) = 0x20002000 [pid 5293] <... mmap resumed>) = 0x20000000 [pid 5292] close(25 [pid 3503] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5296] <... symlink resumed>) = 0 [pid 5295] <... mmap resumed>) = 0x20002000 [pid 5294] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5293] close(3 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5294] <... mmap resumed>) = 0x20000000 [pid 3503] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5296] <... 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 5294] close(3 [pid 3503] <... openat resumed>) = 3 [pid 5296] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5295] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5294] <... close resumed>) = 0 [pid 5293] <... close resumed>) = 0 [pid 5292] close(26 [pid 3503] fstat(3, [pid 5296] <... mmap resumed>) = 0x20002000 [pid 5295] <... mmap resumed>) = 0x20000000 [pid 5294] close(4 [pid 5293] close(4 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5296] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5295] close(3 [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 5296] <... mmap resumed>) = 0x20000000 [pid 5294] close(5 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5296] close(3 [pid 5295] <... close resumed>) = 0 [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] close(27 [pid 3503] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5296] <... close resumed>) = 0 [pid 5295] close(4 [pid 5294] close(6 [pid 5293] close(5 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] close(4 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./295/binderfs", [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(5 [pid 5294] close(7 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] close(28 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5296] close(5 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(6 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./295/binderfs" [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(6 [pid 5294] close(8 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 5296] close(6 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(7 [pid 5292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(7 [pid 5294] close(9 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] close(7 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(8 [pid 5292] <... exit_group resumed>) = ? [pid 3503] lstat("./295/cgroup.net", [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(8 [pid 5294] close(10 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5296] close(8 [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./295/cgroup.net" [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] close(11 [pid 3503] <... unlink resumed>) = 0 [pid 5296] close(9 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(9 [pid 3503] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] close(12 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] close(10 [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./295/cgroup.cpu", [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(9 [pid 5294] close(13 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5296] close(11 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(10 [pid 3503] unlink("./295/cgroup.cpu" [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(10 [pid 5294] close(14 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3503] <... unlink resumed>) = 0 [pid 5296] close(12 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(11 [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3503] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(11 [pid 5294] close(15 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... restart_syscall resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] close(13 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(12 [pid 3503] lstat("./295/cgroup", [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(12 [pid 5294] close(16 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5296] close(14 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(13 [pid 3504] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./295/cgroup" [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(13 [pid 5294] close(17 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 5296] close(15 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(14 [pid 3504] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] getdents64(3, [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(14 [pid 5294] close(18 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5296] close(16 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(15 [pid 3504] fstat(3, [pid 3503] close(3 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(15 [pid 5294] close(19 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... close resumed>) = 0 [pid 5296] close(17 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(16 [pid 3504] getdents64(3, [pid 3503] rmdir("./295" [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(16 [pid 5294] close(20 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... rmdir resumed>) = 0 [pid 5296] close(18 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(17 [pid 3504] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] mkdir("./296", 0777 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(17 [pid 5294] close(21 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... mkdir resumed>) = 0 [pid 5296] close(19 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(18 [pid 3504] lstat("./297/binderfs", [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(18 [pid 5294] close(22 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5297] set_robust_list(0x5555573195e0, 24 [pid 5296] close(20 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(19 [pid 3504] unlink("./297/binderfs" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 298 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(19 [pid 5294] close(23 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5297] chdir("./296" [pid 5296] close(21 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(20 [pid 3504] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5297] <... chdir resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(20 [pid 5294] close(24 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] close(22 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(21 [pid 3504] lstat("./297/cgroup.net", [pid 5297] <... prctl resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(21 [pid 5294] close(25 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5297] setpgid(0, 0 [pid 5296] close(23 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(22 [pid 3504] unlink("./297/cgroup.net" [pid 5297] <... setpgid resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(22 [pid 5294] close(26 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5297] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5296] close(24 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(23 [pid 3504] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5297] <... symlink resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(23 [pid 5294] close(27 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5296] close(25 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(24 [pid 3504] lstat("./297/cgroup.cpu", [pid 5297] <... symlink resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(24 [pid 5294] close(28 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5297] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5296] close(26 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(25 [pid 3504] unlink("./297/cgroup.cpu" [pid 5297] <... symlink resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(25 [pid 5294] close(29 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] close(27 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(26 [pid 3504] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5297] <... openat resumed>) = 3 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(26 [pid 5294] exit_group(0 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] write(3, "1000", 4 [pid 5296] close(28 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] <... exit_group resumed>) = ? [pid 5293] close(27 [pid 3504] lstat("./297/cgroup", [pid 5297] <... write resumed>) = 4 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(27 [pid 5297] close(3 [pid 5296] close(29 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5294] +++ exited with 0 +++ [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5297] <... close resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5295] close(28 [pid 5293] close(28 [pid 3504] unlink("./297/cgroup" [pid 5297] read(200, [pid 5296] exit_group(0 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5297] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] <... exit_group resumed>) = ? [pid 5295] close(29 [pid 5293] close(29 [pid 3504] getdents64(3, [pid 5297] symlink("/dev/binderfs", "./binderfs" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5297] <... symlink resumed>) = 0 [pid 5295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5297] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5293] exit_group(0 [pid 5295] exit_group(0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] close(3 [pid 5297] <... 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 5295] <... exit_group resumed>) = ? [pid 5293] <... exit_group resumed>) = ? [pid 3504] <... close resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3500] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5297] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] rmdir("./297" [pid 3500] getdents64(3, [pid 5297] <... mmap resumed>) = 0x20002000 [pid 5296] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 3504] <... rmdir resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5297] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] mkdir("./298", 0777 [pid 5297] <... mmap resumed>) = 0x20000000 [pid 3504] <... mkdir resumed>) = 0 [pid 5297] close(3 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5298 attached [pid 5297] <... close resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 5298] set_robust_list(0x5555573195e0, 24 [pid 5297] close(4 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 300 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] chdir("./298" [pid 5297] close(5 [pid 5298] <... chdir resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] lstat("./284/binderfs", [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5297] close(6 [pid 5298] <... prctl resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] setpgid(0, 0 [pid 5297] close(7 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./284/binderfs" [pid 5298] <... setpgid resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5297] close(8 [pid 3500] <... unlink resumed>) = 0 [pid 5298] <... symlink resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5298] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5297] close(9 [pid 3502] fstat(3, [pid 3501] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5298] <... symlink resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 5298] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5297] close(10 [pid 3501] <... openat resumed>) = 3 [pid 5298] <... symlink resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3500] lstat("./284/cgroup.net", [pid 3499] fstat(3, [pid 3501] fstat(3, [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] close(11 [pid 5298] <... openat resumed>) = 3 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5298] write(3, "1000", 4 [pid 5297] close(12 [pid 3502] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 3500] unlink("./284/cgroup.net" [pid 3499] getdents64(3, [pid 5298] <... write resumed>) = 4 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] close(3 [pid 5297] close(13 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5298] <... close resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./292/binderfs", [pid 3501] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] read(200, [pid 5297] close(14 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] symlink("/dev/binderfs", "./binderfs" [pid 5297] close(15 [pid 3502] unlink("./292/binderfs" [pid 3501] lstat("./286/binderfs", [pid 3500] lstat("./284/cgroup.cpu", [pid 5298] <... symlink resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] lstat("./278/binderfs", [pid 5298] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5297] close(16 [pid 3502] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] unlink("./286/binderfs" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5298] <... 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 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5298] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5297] close(17 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./284/cgroup.cpu" [pid 5298] <... mmap resumed>) = 0x20002000 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./278/binderfs" [pid 5298] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5297] close(18 [pid 3502] lstat("./292/cgroup.net", [pid 5298] <... mmap resumed>) = 0x20000000 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5298] close(3 [pid 5297] close(19 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5298] <... close resumed>) = 0 [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] close(4 [pid 5297] close(20 [pid 3501] lstat("./286/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./292/cgroup.net" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./284/cgroup", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] close(5 [pid 5297] close(21 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./286/cgroup.net" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] lstat("./278/cgroup.net", [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./284/cgroup" [pid 5298] close(6 [pid 5297] close(22 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./292/cgroup.cpu", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5298] close(7 [pid 5297] close(23 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./286/cgroup.cpu", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./278/cgroup.net" [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./292/cgroup.cpu" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] close(3 [pid 5298] close(8 [pid 5297] close(24 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./286/cgroup.cpu" [pid 3500] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] rmdir("./284" [pid 5298] close(9 [pid 5297] close(25 [pid 3501] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... rmdir resumed>) = 0 [pid 3499] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] mkdir("./285", 0777 [pid 5298] close(10 [pid 5297] close(26 [pid 3502] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./286/cgroup", [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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 [pid 5298] close(11 [pid 5297] close(27 [pid 3502] lstat("./292/cgroup", [pid 3501] unlink("./286/cgroup" [pid 3499] lstat("./278/cgroup.cpu", ./strace-static-x86_64: Process 5299 attached [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 287 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5299] set_robust_list(0x5555573195e0, 24 [pid 5298] close(12 [pid 5297] close(28 [pid 3502] unlink("./292/cgroup" [pid 3501] getdents64(3, [pid 3499] unlink("./278/cgroup.cpu" [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5299] chdir("./285" [pid 5298] close(13 [pid 5297] close(29 [pid 3502] getdents64(3, [pid 3501] close(3 [pid 3499] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5299] <... chdir resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] close(14 [pid 5297] exit_group(0 [pid 3502] close(3 [pid 3501] <... close resumed>) = 0 [pid 3499] lstat("./278/cgroup", [pid 5299] <... prctl resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... exit_group resumed>) = ? [pid 3502] <... close resumed>) = 0 [pid 3501] rmdir("./286" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5299] setpgid(0, 0 [pid 5298] close(15 [pid 3502] rmdir("./292" [pid 3499] unlink("./278/cgroup" [pid 5299] <... setpgid resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] +++ exited with 0 +++ [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5299] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5298] close(16 [pid 3502] mkdir("./293", 0777 [pid 3501] mkdir("./287", 0777 [pid 3499] getdents64(3, [pid 5299] <... symlink resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] <... mkdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] close(3./strace-static-x86_64: Process 5300 attached [pid 5299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5298] close(17 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5300] set_robust_list(0x5555573195e0, 24 [pid 3503] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 295 [pid 3499] rmdir("./278" [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] <... symlink resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... rmdir resumed>) = 0 [pid 5300] chdir("./293" [pid 5299] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5298] close(18 [pid 3503] fstat(3, [pid 3499] mkdir("./279", 0777./strace-static-x86_64: Process 5301 attached [pid 5300] <... chdir resumed>) = 0 [pid 5299] <... symlink resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] getdents64(3, [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached [pid 5301] set_robust_list(0x5555573195e0, 24 [pid 5300] <... prctl resumed>) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5298] close(19 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 289 [pid 5302] set_robust_list(0x5555573195e0, 24 [pid 5300] setpgid(0, 0 [pid 3503] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 281 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5300] <... setpgid resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] chdir("./279" [pid 5300] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3503] lstat("./296/binderfs", [pid 5302] <... chdir resumed>) = 0 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] <... symlink resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5301] chdir("./287" [pid 5300] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5299] write(3, "1000", 4 [pid 5298] close(20 [pid 3503] unlink("./296/binderfs" [pid 5302] <... prctl resumed>) = 0 [pid 5301] <... chdir resumed>) = 0 [pid 5300] <... symlink resumed>) = 0 [pid 5299] <... write resumed>) = 4 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5302] setpgid(0, 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5300] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5299] close(3 [pid 3503] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] close(21 [pid 5302] <... setpgid resumed>) = 0 [pid 5301] <... prctl resumed>) = 0 [pid 5300] <... symlink resumed>) = 0 [pid 5299] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5301] setpgid(0, 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./296/cgroup.net", [pid 5302] <... symlink resumed>) = 0 [pid 5301] <... setpgid resumed>) = 0 [pid 5300] <... openat resumed>) = 3 [pid 5299] read(200, [pid 5298] close(22 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5302] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5300] write(3, "1000", 4 [pid 3503] unlink("./296/cgroup.net" [pid 5302] <... symlink resumed>) = 0 [pid 5301] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5300] <... write resumed>) = 4 [pid 5299] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5302] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5301] <... symlink resumed>) = 0 [pid 5300] close(3 [pid 5299] symlink("/dev/binderfs", "./binderfs" [pid 5298] close(23 [pid 3503] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5302] <... symlink resumed>) = 0 [pid 5301] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5300] <... close resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5300] read(200, [pid 5299] <... symlink resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./296/cgroup.cpu", [pid 5302] <... openat resumed>) = 3 [pid 5301] <... symlink resumed>) = 0 [pid 5300] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5298] close(24 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5302] write(3, "1000", 4 [pid 5301] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5300] symlink("/dev/binderfs", "./binderfs" [pid 3503] unlink("./296/cgroup.cpu" [pid 5302] <... write resumed>) = 4 [pid 5301] <... symlink resumed>) = 0 [pid 5300] <... symlink resumed>) = 0 [pid 5299] <... 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 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5302] close(3 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5300] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5299] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5298] close(25 [pid 3503] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5302] <... close resumed>) = 0 [pid 5301] <... openat resumed>) = 3 [pid 5300] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] read(200, [pid 5301] write(3, "1000", 4 [pid 5300] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5299] <... mmap resumed>) = 0x20002000 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./296/cgroup", [pid 5302] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... write resumed>) = 4 [pid 5300] <... mmap resumed>) = 0x20002000 [pid 5299] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5298] close(26 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5302] symlink("/dev/binderfs", "./binderfs" [pid 5301] close(3 [pid 5300] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] unlink("./296/cgroup" [pid 5302] <... symlink resumed>) = 0 [pid 5301] <... close resumed>) = 0 [pid 5300] <... mmap resumed>) = 0x20000000 [pid 5299] <... mmap resumed>) = 0x20000000 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... unlink resumed>) = 0 [pid 5302] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5301] read(200, [pid 5300] close(3 [pid 3503] getdents64(3, [pid 5302] <... 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 5301] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5300] <... close resumed>) = 0 [pid 5299] close(3 [pid 5298] close(27 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5302] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5301] symlink("/dev/binderfs", "./binderfs" [pid 5300] close(4 [pid 5299] <... close resumed>) = 0 [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] close(3 [pid 5302] <... mmap resumed>) = 0x20002000 [pid 5301] <... symlink resumed>) = 0 [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(4 [pid 5298] close(28 [pid 3503] <... close resumed>) = 0 [pid 5302] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5301] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5300] close(5 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] rmdir("./296" [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... mmap resumed>) = 0x20000000 [pid 5301] <... 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 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(5 [pid 3503] <... rmdir resumed>) = 0 [pid 5302] close(3 [pid 5301] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5300] close(6 [pid 5298] close(29 [pid 3503] mkdir("./297", 0777 [pid 5302] <... close resumed>) = 0 [pid 5301] <... mmap resumed>) = 0x20002000 [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 5302] close(4 [pid 5301] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5300] close(7 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] close(6 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] <... mmap resumed>) = 0x20000000 [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] exit_group(0./strace-static-x86_64: Process 5303 attached [pid 5302] close(5 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] <... exit_group resumed>) = ? [pid 5303] set_robust_list(0x5555573195e0, 24 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(3 [pid 5300] close(8 [pid 5299] close(7 [pid 5298] +++ exited with 0 +++ [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 299 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] close(6 [pid 5301] <... close resumed>) = 0 [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5303] chdir("./297" [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(4 [pid 5300] close(9 [pid 5303] <... chdir resumed>) = 0 [pid 5302] close(7 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(8 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(5 [pid 5300] close(10 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5303] <... prctl resumed>) = 0 [pid 5302] close(8 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(9 [pid 5303] setpgid(0, 0 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(6 [pid 5300] close(11 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5303] <... setpgid resumed>) = 0 [pid 5302] close(9 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(10 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(7 [pid 5300] close(12 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5303] <... symlink resumed>) = 0 [pid 5302] close(10 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(11 [pid 3504] <... openat resumed>) = 3 [pid 5303] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(8 [pid 5300] close(13 [pid 5303] <... symlink resumed>) = 0 [pid 5302] close(11 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5303] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(9 [pid 5300] close(14 [pid 5299] close(12 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5303] <... symlink resumed>) = 0 [pid 5302] close(12 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(10 [pid 5300] close(15 [pid 5299] close(13 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5303] <... openat resumed>) = 3 [pid 5302] close(13 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5303] write(3, "1000", 4 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(11 [pid 5300] close(16 [pid 5303] <... write resumed>) = 4 [pid 5302] close(14 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(14 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] close(3 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(12 [pid 5300] close(17 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./298/binderfs", [pid 5303] <... close resumed>) = 0 [pid 5302] close(15 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(15 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5303] read(200, [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(13 [pid 5300] close(18 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./298/binderfs" [pid 5303] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] close(16 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(16 [pid 3504] <... unlink resumed>) = 0 [pid 5303] symlink("/dev/binderfs", "./binderfs" [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(14 [pid 5300] close(19 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5303] <... symlink resumed>) = 0 [pid 5302] close(17 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(17 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(15 [pid 5300] close(20 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./298/cgroup.net", [pid 5303] <... 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 5302] close(18 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(18 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5303] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(16 [pid 5300] close(21 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./298/cgroup.net" [pid 5303] <... mmap resumed>) = 0x20002000 [pid 5299] close(19 [pid 3504] <... unlink resumed>) = 0 [pid 5303] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5303] <... mmap resumed>) = 0x20000000 [pid 5299] close(20 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] close(3 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./298/cgroup.cpu", [pid 5303] <... close resumed>) = 0 [pid 5299] close(21 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5303] close(4 [pid 5302] close(19 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./298/cgroup.cpu" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(17 [pid 5300] close(22 [pid 5299] close(22 [pid 3504] <... unlink resumed>) = 0 [pid 5303] close(5 [pid 5302] close(20 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(18 [pid 5300] close(23 [pid 5299] close(23 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] close(6 [pid 5302] close(21 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./298/cgroup", [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(19 [pid 5300] close(24 [pid 5299] close(24 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5303] close(7 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./298/cgroup" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(25 [pid 3504] <... unlink resumed>) = 0 [pid 5303] close(8 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(26 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] close(22 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5303] close(9 [pid 5301] close(20 [pid 5300] close(25 [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] close(27 [pid 3504] <... close resumed>) = 0 [pid 5303] close(10 [pid 5302] close(23 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./298" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(21 [pid 5300] close(26 [pid 5299] close(28 [pid 3504] <... rmdir resumed>) = 0 [pid 5303] close(11 [pid 5302] close(24 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./299", 0777 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(22 [pid 5300] close(27 [pid 5299] close(29 [pid 3504] <... mkdir resumed>) = 0 [pid 5303] close(12 [pid 5302] close(25 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(23 [pid 5300] close(28 [pid 5299] exit_group(0./strace-static-x86_64: Process 5304 attached [pid 5303] close(13 [pid 5302] close(26 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] <... exit_group resumed>) = ? [pid 5304] set_robust_list(0x5555573195e0, 24 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(24 [pid 5300] close(29 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] close(14 [pid 5302] close(27 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5299] +++ exited with 0 +++ [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 301 [pid 5304] chdir("./299" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(25 [pid 5300] exit_group(0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5304] <... chdir resumed>) = 0 [pid 5303] close(15 [pid 5302] close(28 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5300] <... exit_group resumed>) = ? [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5304] <... prctl resumed>) = 0 [pid 5303] close(16 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(26 [pid 5300] +++ exited with 0 +++ [pid 5304] setpgid(0, 0 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] close(29 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5304] <... setpgid resumed>) = 0 [pid 5303] close(17 [pid 5302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(27 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 5304] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] exit_group(0 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5304] <... symlink resumed>) = 0 [pid 5303] close(18 [pid 5302] <... exit_group resumed>) = ? [pid 5301] close(28 [pid 5304] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5304] <... symlink resumed>) = 0 [pid 5303] close(19 [pid 5302] +++ exited with 0 +++ [pid 3500] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] close(29 [pid 3502] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] <... symlink resumed>) = 0 [pid 5303] close(20 [pid 5301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] exit_group(0 [pid 3502] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... openat resumed>) = 3 [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 5304] <... openat resumed>) = 3 [pid 5303] close(21 [pid 5301] <... exit_group resumed>) = ? [pid 3502] <... openat resumed>) = 3 [pid 3500] fstat(3, [pid 3499] <... restart_syscall resumed>) = 0 [pid 5304] write(3, "1000", 4 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5301] +++ exited with 0 +++ [pid 3502] fstat(3, [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5304] <... write resumed>) = 4 [pid 5303] close(22 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, [pid 5304] close(3 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] <... close resumed>) = 0 [pid 5303] close(23 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] read(200, [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5304] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5303] close(24 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] lstat("./285/binderfs", [pid 5304] symlink("/dev/binderfs", "./binderfs" [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./293/binderfs", [pid 3499] <... openat resumed>) = 3 [pid 5304] <... symlink resumed>) = 0 [pid 5303] close(25 [pid 3502] <... 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 5304] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./293/binderfs" [pid 3500] unlink("./285/binderfs" [pid 3499] fstat(3, [pid 5304] <... 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 5303] close(26 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5304] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5304] <... mmap resumed>) = 0x20002000 [pid 5303] close(27 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./293/cgroup.net", [pid 3501] <... openat resumed>) = 3 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5304] <... mmap resumed>) = 0x20000000 [pid 5303] close(28 [pid 3501] fstat(3, [pid 3500] lstat("./285/cgroup.net", [pid 5304] close(3 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] <... close resumed>) = 0 [pid 5303] close(29 [pid 3502] unlink("./293/cgroup.net" [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] close(4 [pid 5303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] lstat("./279/binderfs", [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5303] exit_group(0 [pid 3502] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./285/cgroup.net" [pid 5304] close(5 [pid 5303] <... exit_group resumed>) = ? [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./287/binderfs", [pid 3500] <... unlink resumed>) = 0 [pid 5304] close(6 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./287/binderfs" [pid 5304] close(7 [pid 3501] <... unlink resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] close(8 [pid 5303] +++ exited with 0 +++ [pid 3502] lstat("./293/cgroup.cpu", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] unlink("./279/binderfs" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./287/cgroup.net", [pid 5304] close(9 [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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] unlink("./287/cgroup.net" [pid 5304] close(10 [pid 3502] unlink("./293/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] close(11 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./287/cgroup.cpu", [pid 3500] lstat("./285/cgroup.cpu", [pid 3499] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] close(12 [pid 3503] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [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 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./287/cgroup.cpu" [pid 3500] unlink("./285/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] close(13 [pid 3503] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] lstat("./293/cgroup", [pid 3501] <... unlink resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./279/cgroup.net", [pid 5304] close(14 [pid 3503] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] lstat("./287/cgroup", [pid 3500] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5304] close(15 [pid 3503] fstat(3, [pid 3502] unlink("./293/cgroup" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./287/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./279/cgroup.net" [pid 5304] close(16 [pid 3503] getdents64(3, [pid 3502] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] getdents64(3, [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] lstat("./285/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 5304] close(17 [pid 3503] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(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] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 3501] close(3 [pid 5304] close(18 [pid 3503] lstat("./297/binderfs", [pid 3502] rmdir("./293" [pid 3501] <... close resumed>) = 0 [pid 3500] unlink("./285/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] rmdir("./287" [pid 5304] close(19 [pid 3503] unlink("./297/binderfs" [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./279/cgroup.cpu", [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./288", 0777 [pid 5304] close(20 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] mkdir("./294", 0777 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] getdents64(3, [pid 3499] unlink("./279/cgroup.cpu" [pid 5304] close(21 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5305 attached [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./297/cgroup.net", [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 290 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5305] set_robust_list(0x5555573195e0, 24 [pid 5304] close(22) = -1 EBADF (Bad file descriptor) [pid 5304] close(23./strace-static-x86_64: Process 5306 attached [pid 5305] <... set_robust_list resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 296 [pid 3500] close(3 [pid 3499] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5306] set_robust_list(0x5555573195e0, 24 [pid 5305] chdir("./288" [pid 5304] close(24 [pid 3503] unlink("./297/cgroup.net" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5304] close(25) = -1 EBADF (Bad file descriptor) [pid 5304] close(26) = -1 EBADF (Bad file descriptor) [pid 5304] close(27 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5305] <... chdir resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] rmdir("./285" [pid 3499] lstat("./279/cgroup", [pid 5306] chdir("./294" [pid 5305] <... prctl resumed>) = 0 [pid 5304] close(28 [pid 5306] <... chdir resumed>) = 0 [pid 5305] setpgid(0, 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5305] <... setpgid resumed>) = 0 [pid 5304] close(29 [pid 5306] <... prctl resumed>) = 0 [pid 5305] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./297/cgroup.cpu", [pid 3500] mkdir("./286", 0777 [pid 3499] unlink("./279/cgroup" [pid 5306] setpgid(0, 0 [pid 5305] <... symlink resumed>) = 0 [pid 5304] exit_group(0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5306] <... setpgid resumed>) = 0 [pid 5305] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5304] <... exit_group resumed>) = ? [pid 3503] unlink("./297/cgroup.cpu" [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] getdents64(3, [pid 5306] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5305] <... symlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5307 attached [pid 5306] <... symlink resumed>) = 0 [pid 5305] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3503] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 288 [pid 3499] close(3 [pid 5307] set_robust_list(0x5555573195e0, 24 [pid 5306] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5305] <... symlink resumed>) = 0 [pid 5304] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] <... symlink resumed>) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] lstat("./297/cgroup", [pid 3499] rmdir("./279" [pid 5307] chdir("./286" [pid 5306] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5305] <... openat resumed>) = 3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5307] <... chdir resumed>) = 0 [pid 5306] <... symlink resumed>) = 0 [pid 5305] write(3, "1000", 4 [pid 3503] unlink("./297/cgroup" [pid 3499] mkdir("./280", 0777 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5305] <... write resumed>) = 4 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... unlink resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5307] <... prctl resumed>) = 0 [pid 5306] <... openat resumed>) = 3 [pid 5305] close(3 [pid 3504] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5307] setpgid(0, 0 [pid 5306] write(3, "1000", 4 [pid 5305] <... close resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5308 attached [pid 5307] <... setpgid resumed>) = 0 [pid 5306] <... write resumed>) = 4 [pid 5305] read(200, [pid 3504] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] close(3 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 282 [pid 5308] set_robust_list(0x5555573195e0, 24 [pid 5307] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5306] close(3 [pid 5305] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... openat resumed>) = 3 [pid 3503] <... close resumed>) = 0 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5307] <... symlink resumed>) = 0 [pid 5306] <... close resumed>) = 0 [pid 5305] symlink("/dev/binderfs", "./binderfs" [pid 3504] fstat(3, [pid 3503] rmdir("./297" [pid 5308] chdir("./280" [pid 5307] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5306] read(200, [pid 5305] <... symlink resumed>) = 0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... rmdir resumed>) = 0 [pid 5308] <... chdir resumed>) = 0 [pid 5307] <... symlink resumed>) = 0 [pid 5306] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] getdents64(3, [pid 3503] mkdir("./298", 0777 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5307] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5306] symlink("/dev/binderfs", "./binderfs" [pid 5305] <... 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] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... mkdir resumed>) = 0 [pid 5308] <... prctl resumed>) = 0 [pid 5307] <... symlink resumed>) = 0 [pid 5306] <... symlink resumed>) = 0 [pid 5305] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5309 attached [pid 5308] setpgid(0, 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5306] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5305] <... mmap resumed>) = 0x20002000 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] set_robust_list(0x5555573195e0, 24 [pid 5308] <... setpgid resumed>) = 0 [pid 5307] <... openat resumed>) = 3 [pid 5306] <... 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 5305] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 300 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5308] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5307] write(3, "1000", 4 [pid 5306] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5305] <... mmap resumed>) = 0x20000000 [pid 3504] lstat("./299/binderfs", [pid 5309] chdir("./298" [pid 5308] <... symlink resumed>) = 0 [pid 5307] <... write resumed>) = 4 [pid 5306] <... mmap resumed>) = 0x20002000 [pid 5305] close(3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5309] <... chdir resumed>) = 0 [pid 5308] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5307] close(3 [pid 5306] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5305] <... close resumed>) = 0 [pid 3504] unlink("./299/binderfs" [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5308] <... symlink resumed>) = 0 [pid 5307] <... close resumed>) = 0 [pid 5306] <... mmap resumed>) = 0x20000000 [pid 5305] close(4 [pid 3504] <... unlink resumed>) = 0 [pid 5309] <... prctl resumed>) = 0 [pid 5308] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5307] read(200, [pid 3504] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] setpgid(0, 0 [pid 5308] <... symlink resumed>) = 0 [pid 5307] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5306] close(3 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] <... setpgid resumed>) = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5307] symlink("/dev/binderfs", "./binderfs" [pid 5306] <... close resumed>) = 0 [pid 5305] close(5 [pid 3504] lstat("./299/cgroup.net", [pid 5309] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5308] <... openat resumed>) = 3 [pid 5307] <... symlink resumed>) = 0 [pid 5306] close(4 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5309] <... symlink resumed>) = 0 [pid 5308] write(3, "1000", 4 [pid 5307] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(6 [pid 3504] unlink("./299/cgroup.net" [pid 5309] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5308] <... write resumed>) = 4 [pid 5307] <... 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 5306] close(5 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5309] <... symlink resumed>) = 0 [pid 5308] close(3 [pid 5307] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(7 [pid 3504] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5308] <... close resumed>) = 0 [pid 5307] <... mmap resumed>) = 0x20002000 [pid 5306] close(6 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] <... symlink resumed>) = 0 [pid 5308] read(200, [pid 5307] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(8 [pid 3504] lstat("./299/cgroup.cpu", [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... mmap resumed>) = 0x20000000 [pid 5306] close(7 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5309] <... openat resumed>) = 3 [pid 5308] symlink("/dev/binderfs", "./binderfs" [pid 5307] close(3 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(9 [pid 3504] unlink("./299/cgroup.cpu" [pid 5309] write(3, "1000", 4 [pid 5307] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 5309] <... write resumed>) = 4 [pid 5308] <... symlink resumed>) = 0 [pid 5307] close(4 [pid 3504] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] close(3 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] <... close resumed>) = 0 [pid 5307] close(5 [pid 3504] lstat("./299/cgroup", [pid 5309] read(200, [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5309] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] close(6 [pid 5306] close(8 [pid 3504] unlink("./299/cgroup" [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] symlink("/dev/binderfs", "./binderfs" [pid 5308] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] <... symlink resumed>) = 0 [pid 5308] <... 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 5307] close(7 [pid 5305] close(10 [pid 3504] getdents64(3, [pid 5309] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5308] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(9 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5309] <... 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 5308] <... mmap resumed>) = 0x20002000 [pid 5307] close(8 [pid 3504] close(3 [pid 5309] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5308] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(11 [pid 3504] <... close resumed>) = 0 [pid 5309] <... mmap resumed>) = 0x20002000 [pid 5308] <... mmap resumed>) = 0x20000000 [pid 5307] close(9 [pid 5306] close(10 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] rmdir("./299" [pid 5309] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5308] close(3 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(12 [pid 3504] <... rmdir resumed>) = 0 [pid 5309] <... mmap resumed>) = 0x20000000 [pid 5308] <... close resumed>) = 0 [pid 5307] close(10 [pid 3504] mkdir("./300", 0777 [pid 5309] close(3 [pid 5308] close(4 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 5309] <... close resumed>) = 0 [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(11 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5309] close(4 [pid 5308] close(5 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(11 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5310 attached [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(12 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(13 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 302 [pid 5310] set_robust_list(0x5555573195e0, 24 [pid 5309] close(5 [pid 5308] close(6 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(12 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(13 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(14 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5309] close(6 [pid 5308] close(7 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(13 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] chdir("./300" [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(14 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(15 [pid 5310] <... chdir resumed>) = 0 [pid 5309] close(7 [pid 5308] close(8 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(14 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(15 [pid 5310] <... prctl resumed>) = 0 [pid 5309] close(8 [pid 5308] close(9 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] setpgid(0, 0 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(16 [pid 5310] <... setpgid resumed>) = 0 [pid 5309] close(9 [pid 5308] close(10 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(17 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... symlink resumed>) = 0 [pid 5309] close(10 [pid 5308] close(11 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(15 [pid 5305] close(16 [pid 5310] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(18 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... symlink resumed>) = 0 [pid 5309] close(11 [pid 5308] close(12 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(16 [pid 5305] close(17 [pid 5310] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(19 [pid 5310] <... symlink resumed>) = 0 [pid 5309] close(12 [pid 5308] close(13 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(20 [pid 5306] close(17 [pid 5310] <... openat resumed>) = 3 [pid 5309] close(13 [pid 5308] close(14 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(18 [pid 5310] write(3, "1000", 4 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(21 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... write resumed>) = 4 [pid 5309] close(14 [pid 5308] close(15 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(18 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] close(3 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(22 [pid 5310] <... close resumed>) = 0 [pid 5309] close(15 [pid 5308] close(16 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(19 [pid 5310] read(200, [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(23 [pid 5306] close(19 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] close(16 [pid 5308] close(17 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(20 [pid 5310] symlink("/dev/binderfs", "./binderfs" [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(24 [pid 5310] <... symlink resumed>) = 0 [pid 5309] close(17 [pid 5308] close(18 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(20 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(25 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... 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 5309] close(18 [pid 5308] close(19 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(21 [pid 5305] close(21 [pid 5310] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(26 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... mmap resumed>) = 0x20002000 [pid 5309] close(19 [pid 5308] close(20 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(22 [pid 5310] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(27 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] close(22 [pid 5310] <... mmap resumed>) = 0x20000000 [pid 5309] close(20 [pid 5308] close(21 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(23 [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] close(3 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(28 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... close resumed>) = 0 [pid 5309] close(21 [pid 5308] close(22 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] close(4 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] close(29 [pid 5306] close(24 [pid 5305] close(23 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(22 [pid 5308] close(23 [pid 5307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] close(5 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] exit_group(0 [pid 5306] close(25 [pid 5305] close(24 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(23 [pid 5308] close(24 [pid 5307] <... exit_group resumed>) = ? [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] close(6 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] +++ exited with 0 +++ [pid 5306] close(26 [pid 5305] close(25 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(24 [pid 5308] close(25 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5310] close(7 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(27 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(25 [pid 5308] close(26 [pid 5305] close(26 [pid 5310] close(8 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(26 [pid 5308] close(27 [pid 5310] close(9 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] close(28 [pid 5305] close(27 [pid 3500] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(27 [pid 5308] close(28 [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] close(10 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(28 [pid 5308] close(29 [pid 5306] close(29 [pid 5305] close(28 [pid 3500] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5310] close(11 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] close(29 [pid 5308] exit_group(0 [pid 5306] exit_group(0 [pid 5305] close(29 [pid 3500] <... openat resumed>) = 3 [pid 5310] close(12 [pid 5309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... exit_group resumed>) = ? [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] exit_group(0 [pid 5308] +++ exited with 0 +++ [pid 5306] <... exit_group resumed>) = ? [pid 5305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] fstat(3, [pid 5310] close(13 [pid 5309] <... exit_group resumed>) = ? [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] +++ exited with 0 +++ [pid 5310] close(14 [pid 5305] exit_group(0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] +++ exited with 0 +++ [pid 5305] <... exit_group resumed>) = ? [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5310] close(15 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] getdents64(3, [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5310] close(16 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] close(17 [pid 3503] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] close(18 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] +++ exited with 0 +++ [pid 3503] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] lstat("./286/binderfs", [pid 5310] close(19 [pid 3503] <... openat resumed>) = 3 [pid 3502] <... openat resumed>) = 3 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3502] fstat(3, [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5310] close(20 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3499] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] getdents64(3, [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] unlink("./286/binderfs" [pid 5310] close(21 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 5310] close(22 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./298/binderfs", [pid 3502] lstat("./294/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] close(23 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... openat resumed>) = 3 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./294/binderfs" [pid 3501] <... openat resumed>) = 3 [pid 3499] fstat(3, [pid 5310] close(24 [pid 3502] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5310] close(25 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./298/binderfs" [pid 3502] lstat("./294/cgroup.net", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5310] close(26 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./286/cgroup.net", [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./294/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5310] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./288/binderfs", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./298/cgroup.net", [pid 3502] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./286/cgroup.net" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5310] close(28 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./288/binderfs" [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] unlink("./298/cgroup.net" [pid 3502] lstat("./294/cgroup.cpu", [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] close(29 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./294/cgroup.cpu" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] exit_group(0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./288/cgroup.net", [pid 5310] <... exit_group resumed>) = ? [pid 3503] lstat("./298/cgroup.cpu", [pid 3502] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./280/binderfs", [pid 5310] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./288/cgroup.net" [pid 3500] lstat("./286/cgroup.cpu", [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3503] unlink("./298/cgroup.cpu" [pid 3502] lstat("./294/cgroup", [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./294/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./280/binderfs" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] lstat("./288/cgroup.cpu", [pid 3500] unlink("./286/cgroup.cpu" [pid 3503] lstat("./298/cgroup", [pid 3502] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3504] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] unlink("./288/cgroup.cpu" [pid 3500] <... unlink resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] close(3 [pid 3501] <... unlink resumed>) = 0 [pid 3499] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... close resumed>) = 0 [pid 3501] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... openat resumed>) = 3 [pid 3502] rmdir("./294" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] fstat(3, [pid 3502] <... rmdir resumed>) = 0 [pid 3501] lstat("./288/cgroup", [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] mkdir("./295", 0777 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3504] getdents64(3, [pid 3502] <... mkdir resumed>) = 0 [pid 3501] unlink("./288/cgroup" [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5311 attached [pid 3504] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./298/cgroup" [pid 3501] getdents64(3, [pid 3500] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] set_robust_list(0x5555573195e0, 24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 297 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./280/cgroup.net", [pid 5311] <... set_robust_list resumed>) = 0 [pid 3504] lstat("./300/binderfs", [pid 3503] getdents64(3, [pid 3501] close(3 [pid 5311] chdir("./295" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] lstat("./286/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5311] <... chdir resumed>) = 0 [pid 3504] unlink("./300/binderfs" [pid 3503] close(3 [pid 3501] rmdir("./288" [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./280/cgroup.net" [pid 5311] <... prctl resumed>) = 0 [pid 3504] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] rmdir("./298" [pid 3501] mkdir("./289", 0777 [pid 5311] setpgid(0, 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] unlink("./286/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5311] <... setpgid resumed>) = 0 [pid 3504] lstat("./300/cgroup.net", [pid 3503] mkdir("./299", 0777 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5312 attached [pid 5311] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5312] set_robust_list(0x5555573195e0, 24 [pid 5311] <... symlink resumed>) = 0 [pid 3504] unlink("./300/cgroup.net" [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 291 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5311] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3504] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] chdir("./289" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./280/cgroup.cpu", ./strace-static-x86_64: Process 5313 attached [pid 5312] <... chdir resumed>) = 0 [pid 5311] <... symlink resumed>) = 0 [pid 3504] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5313] set_robust_list(0x5555573195e0, 24 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 301 [pid 3500] <... close resumed>) = 0 [pid 3499] unlink("./280/cgroup.cpu" [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] <... prctl resumed>) = 0 [pid 5311] <... symlink resumed>) = 0 [pid 3504] lstat("./300/cgroup.cpu", [pid 3500] rmdir("./286" [pid 3499] <... unlink resumed>) = 0 [pid 5313] chdir("./299" [pid 5312] setpgid(0, 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5313] <... chdir resumed>) = 0 [pid 5312] <... setpgid resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5312] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5311] <... openat resumed>) = 3 [pid 3504] unlink("./300/cgroup.cpu" [pid 5313] <... prctl resumed>) = 0 [pid 5312] <... symlink resumed>) = 0 [pid 5311] write(3, "1000", 4 [pid 3500] mkdir("./287", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5313] setpgid(0, 0 [pid 5312] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3504] <... unlink resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] lstat("./280/cgroup", [pid 5313] <... setpgid resumed>) = 0 [pid 5312] <... symlink resumed>) = 0 [pid 5311] <... write resumed>) = 4 [pid 3504] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5313] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5312] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5311] close(3 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5311] <... close resumed>) = 0 [pid 3504] lstat("./300/cgroup", [pid 5311] read(200, [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5314 attached [pid 5313] <... symlink resumed>) = 0 [pid 5312] <... symlink resumed>) = 0 [pid 5311] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] unlink("./300/cgroup" [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 289 [pid 3499] unlink("./280/cgroup" [pid 5314] set_robust_list(0x5555573195e0, 24 [pid 5313] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5311] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... unlink resumed>) = 0 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5313] <... symlink resumed>) = 0 [pid 5312] <... openat resumed>) = 3 [pid 5311] <... symlink resumed>) = 0 [pid 3504] getdents64(3, [pid 3499] <... unlink resumed>) = 0 [pid 5314] chdir("./287" [pid 5313] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5312] write(3, "1000", 4 [pid 5311] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5314] <... chdir resumed>) = 0 [pid 5311] <... 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] close(3 [pid 3499] getdents64(3, [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] <... symlink resumed>) = 0 [pid 5312] <... write resumed>) = 4 [pid 5311] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... close resumed>) = 0 [pid 5314] <... prctl resumed>) = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] close(3 [pid 5311] <... mmap resumed>) = 0x20002000 [pid 3504] rmdir("./300" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5314] setpgid(0, 0 [pid 5313] <... openat resumed>) = 3 [pid 5312] <... close resumed>) = 0 [pid 5311] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... rmdir resumed>) = 0 [pid 5314] <... setpgid resumed>) = 0 [pid 5313] write(3, "1000", 4 [pid 5312] read(200, [pid 5311] <... mmap resumed>) = 0x20000000 [pid 3504] mkdir("./301", 0777 [pid 3499] close(3 [pid 5314] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5313] <... write resumed>) = 4 [pid 5312] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] close(3 [pid 3504] <... mkdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 [pid 5314] <... symlink resumed>) = 0 [pid 5313] close(3 [pid 5312] symlink("/dev/binderfs", "./binderfs" [pid 5311] <... close resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] rmdir("./280"./strace-static-x86_64: Process 5315 attached [pid 5314] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5313] <... close resumed>) = 0 [pid 5312] <... symlink resumed>) = 0 [pid 5311] close(4 [pid 5315] set_robust_list(0x5555573195e0, 24 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 303 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5314] <... symlink resumed>) = 0 [pid 5313] read(200, [pid 5312] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5311] close(5 [pid 3499] <... rmdir resumed>) = 0 [pid 5315] chdir("./301" [pid 5314] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5313] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... chdir resumed>) = 0 [pid 5314] <... symlink resumed>) = 0 [pid 5313] symlink("/dev/binderfs", "./binderfs" [pid 5312] <... 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 5311] close(6 [pid 3499] mkdir("./281", 0777 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... prctl resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] <... symlink resumed>) = 0 [pid 5312] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5311] close(7 [pid 3499] <... mkdir resumed>) = 0 [pid 5315] setpgid(0, 0 [pid 5314] <... openat resumed>) = 3 [pid 5313] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5312] <... mmap resumed>) = 0x20002000 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5315] <... setpgid resumed>) = 0 [pid 5314] write(3, "1000", 4 [pid 5313] <... 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 5312] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5311] close(8 [pid 5315] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... symlink resumed>) = 0 [pid 5311] close(9 [pid 5315] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... symlink resumed>) = 0 [pid 5311] close(10 [pid 5315] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... symlink resumed>) = 0 [pid 5311] close(11 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... openat resumed>) = 3 [pid 5311] close(12./strace-static-x86_64: Process 5316 attached [pid 5315] write(3, "1000", 4 [pid 5312] <... mmap resumed>) = 0x20000000 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] set_robust_list(0x5555573195e0, 24 [pid 5315] <... write resumed>) = 4 [pid 5314] <... write resumed>) = 4 [pid 5313] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5312] close(3 [pid 5311] close(13 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 283 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] close(3 [pid 5314] close(3 [pid 5313] <... mmap resumed>) = 0x20002000 [pid 5312] <... close resumed>) = 0 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] chdir("./281" [pid 5315] <... close resumed>) = 0 [pid 5314] <... close resumed>) = 0 [ 269.208643][ T1194] ieee802154 phy0 wpan0: encryption failed: -22 [ 269.216105][ T1194] ieee802154 phy1 wpan1: encryption failed: -22 [pid 5313] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5312] close(4 [pid 5316] <... chdir resumed>) = 0 [pid 5315] read(200, [pid 5314] read(200, [pid 5313] <... mmap resumed>) = 0x20000000 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(14 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] close(3 [pid 5312] close(5 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... prctl resumed>) = 0 [pid 5315] symlink("/dev/binderfs", "./binderfs" [pid 5314] symlink("/dev/binderfs", "./binderfs" [pid 5313] <... close resumed>) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(15 [pid 5316] setpgid(0, 0 [pid 5313] close(4 [pid 5312] close(6 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... symlink resumed>) = 0 [pid 5314] <... symlink resumed>) = 0 [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... setpgid resumed>) = 0 [pid 5315] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5314] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5313] close(5 [pid 5312] close(7 [pid 5311] close(16 [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5313] close(6 [pid 5312] close(8 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... 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 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] close(7 [pid 5312] close(9 [pid 5311] close(17 [pid 5316] <... symlink resumed>) = 0 [pid 5314] <... 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 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5315] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5314] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5313] close(8 [pid 5312] close(10 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... mmap resumed>) = 0x20002000 [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(18 [pid 5316] <... symlink resumed>) = 0 [pid 5315] <... mmap resumed>) = 0x20002000 [pid 5314] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5313] close(9 [pid 5312] close(11 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5315] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5314] <... mmap resumed>) = 0x20000000 [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(19 [pid 5316] <... symlink resumed>) = 0 [pid 5315] <... mmap resumed>) = 0x20000000 [pid 5314] close(3 [pid 5313] close(10 [pid 5312] close(12 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] close(3 [pid 5314] <... close resumed>) = 0 [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(20 [pid 5314] close(4 [pid 5313] close(11 [pid 5312] close(13 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... openat resumed>) = 3 [pid 5315] <... close resumed>) = 0 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(21 [pid 5316] write(3, "1000", 4 [pid 5315] close(4 [pid 5314] close(5 [pid 5313] close(12 [pid 5312] close(14 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... write resumed>) = 4 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(22 [pid 5315] close(5 [pid 5314] close(6 [pid 5313] close(13 [pid 5312] close(15 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] close(3 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... close resumed>) = 0 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(23 [pid 5315] close(6 [pid 5314] close(7 [pid 5313] close(14 [pid 5312] close(16 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] read(200, [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] close(24 [pid 5316] symlink("/dev/binderfs", "./binderfs" [pid 5315] close(7 [pid 5314] close(8 [pid 5313] close(15 [pid 5312] close(17 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(25 [pid 5316] <... symlink resumed>) = 0 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(9 [pid 5313] close(16 [pid 5312] close(18 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5315] close(8 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(26 [pid 5316] <... 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 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(10 [pid 5313] close(17 [pid 5312] close(19 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5315] close(9 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(27 [pid 5316] <... mmap resumed>) = 0x20002000 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(11 [pid 5313] close(18 [pid 5312] close(20 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5315] close(10 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(28 [pid 5316] <... mmap resumed>) = 0x20000000 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(12 [pid 5313] close(19 [pid 5312] close(21 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] close(3 [pid 5315] close(11 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] close(29 [pid 5316] <... close resumed>) = 0 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(13 [pid 5313] close(20 [pid 5312] close(22 [pid 5311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] close(4 [pid 5315] close(12 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5311] exit_group(0 [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(14 [pid 5313] close(21 [pid 5312] close(23 [pid 5311] <... exit_group resumed>) = ? [pid 5316] close(5 [pid 5315] close(13 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(15 [pid 5313] close(22 [pid 5312] close(24 [pid 5311] +++ exited with 0 +++ [pid 5316] close(6 [pid 5315] close(14 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(16 [pid 5313] close(23 [pid 5312] close(25 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5316] close(7 [pid 5315] close(15 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(17 [pid 5313] close(24 [pid 5312] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] close(8 [pid 5315] close(16 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(18 [pid 5313] close(25 [pid 5312] close(27 [pid 3502] <... openat resumed>) = 3 [pid 5316] close(9 [pid 5315] close(17 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(19 [pid 5313] close(26 [pid 5312] close(28 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5316] close(10 [pid 5315] close(18 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(20 [pid 5313] close(27 [pid 5312] close(29 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5316] close(11 [pid 5315] close(19 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(21 [pid 5313] close(28 [pid 5312] exit_group(0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] close(12 [pid 5315] close(20 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] <... exit_group resumed>) = ? [pid 3502] lstat("./295/binderfs", [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] close(22 [pid 5313] close(29 [pid 5312] +++ exited with 0 +++ [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5316] close(13 [pid 5315] close(21 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./295/binderfs" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] close(14 [pid 5315] close(22 [pid 5314] close(23 [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 5316] close(15 [pid 5315] close(23 [pid 5314] close(24 [pid 5313] <... exit_group resumed>) = ? [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] close(16 [pid 5315] close(24 [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] close(17 [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5313] +++ exited with 0 +++ [pid 3502] lstat("./295/cgroup.net", [pid 5314] close(25 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./295/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(25 [pid 5314] close(26 [pid 3502] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5316] close(18 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... openat resumed>) = 3 [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(26 [pid 5314] close(27 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3503] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] lstat("./295/cgroup.cpu", [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5316] close(19 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] getdents64(3, [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(27 [pid 5314] close(28 [pid 3503] fstat(3, [pid 3502] unlink("./295/cgroup.cpu" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 3502] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./289/binderfs", [pid 3503] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./295/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./289/binderfs" [pid 5316] close(20 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./299/binderfs", [pid 3502] unlink("./295/cgroup" [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(28 [pid 5314] close(29 [pid 3501] <... unlink resumed>) = 0 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5316] close(21 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(29 [pid 5314] exit_group(0 [pid 3503] unlink("./299/binderfs" [pid 3502] getdents64(3, [pid 5316] close(22 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5314] <... exit_group resumed>) = ? [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] exit_group(0 [pid 5314] +++ exited with 0 +++ [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5316] close(23 [pid 5315] <... exit_group resumed>) = ? [pid 3501] lstat("./289/cgroup.net", [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] close(3 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5315] +++ exited with 0 +++ [pid 5316] close(24 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... close resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./295" [pid 5316] close(25 [pid 3503] lstat("./299/cgroup.net", [pid 3501] unlink("./289/cgroup.net" [pid 3502] <... rmdir resumed>) = 0 [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] mkdir("./296", 0777 [pid 3501] <... unlink resumed>) = 0 [pid 5316] close(26) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./299/cgroup.net" [pid 3502] <... mkdir resumed>) = 0 [pid 3501] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] close(27 [pid 3503] <... unlink resumed>) = 0 [pid 3504] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] close(28 [pid 3504] <... openat resumed>) = 3 [pid 3503] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] lstat("./299/cgroup.cpu", ./strace-static-x86_64: Process 5317 attached [pid 5316] close(29 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./289/cgroup.cpu", [pid 3500] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5317] set_robust_list(0x5555573195e0, 24 [pid 5316] <... 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 3500] <... openat resumed>) = 3 [pid 3503] unlink("./299/cgroup.cpu" [pid 5316] exit_group(0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./289/cgroup.cpu" [pid 3500] fstat(3, [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 298 [pid 3501] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 5317] <... set_robust_list resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] chdir("./296" [pid 5316] +++ exited with 0 +++ [pid 3504] lstat("./301/binderfs", [pid 3503] lstat("./299/cgroup", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5317] <... chdir resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] lstat("./289/cgroup", [pid 3500] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] unlink("./301/binderfs" [pid 3503] unlink("./299/cgroup" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5317] <... prctl resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./289/cgroup" [pid 3500] lstat("./287/binderfs", [pid 5317] setpgid(0, 0 [pid 3504] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5317] <... setpgid resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] getdents64(3, [pid 3500] unlink("./287/binderfs" [pid 3499] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3504] lstat("./301/cgroup.net", [pid 3503] close(3 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] <... symlink resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 5317] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] rmdir("./299" [pid 3501] close(3 [pid 3500] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5317] <... symlink resumed>) = 0 [pid 3504] unlink("./301/cgroup.net" [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 5317] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3504] <... unlink resumed>) = 0 [pid 3503] mkdir("./300", 0777 [pid 3501] rmdir("./289" [pid 3500] lstat("./287/cgroup.net", [pid 3499] fstat(3, [pid 5317] <... symlink resumed>) = 0 [pid 3504] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... mkdir resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] mkdir("./290", 0777 [pid 3500] unlink("./287/cgroup.net" [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5318 attached [pid 5317] <... openat resumed>) = 3 [pid 3504] lstat("./301/cgroup.cpu", [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5318] set_robust_list(0x5555573195e0, 24 [pid 5317] write(3, "1000", 4 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 302 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5319 attached [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] <... write resumed>) = 4 [pid 3504] unlink("./301/cgroup.cpu" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] set_robust_list(0x5555573195e0, 24 [pid 5318] chdir("./300" [pid 5317] close(3 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 292 [pid 3500] lstat("./287/cgroup.cpu", [pid 3499] lstat("./281/binderfs", [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] <... chdir resumed>) = 0 [pid 5317] <... close resumed>) = 0 [pid 3504] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [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 5319] chdir("./290" [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5317] read(200, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./287/cgroup.cpu" [pid 3499] unlink("./281/binderfs" [pid 5319] <... chdir resumed>) = 0 [pid 5318] <... prctl resumed>) = 0 [pid 5317] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] lstat("./301/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] setpgid(0, 0 [pid 5317] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5319] <... prctl resumed>) = 0 [pid 5318] <... setpgid resumed>) = 0 [pid 5317] <... symlink resumed>) = 0 [pid 3504] unlink("./301/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] setpgid(0, 0 [pid 5318] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5317] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... unlink resumed>) = 0 [pid 3500] lstat("./287/cgroup", [pid 3499] lstat("./281/cgroup.net", [pid 5319] <... setpgid resumed>) = 0 [pid 5318] <... symlink resumed>) = 0 [pid 5317] <... 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] getdents64(3, [pid 3500] <... 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 5319] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5318] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5317] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./287/cgroup" [pid 3499] unlink("./281/cgroup.net" [pid 5319] <... symlink resumed>) = 0 [pid 5318] <... symlink resumed>) = 0 [pid 5317] <... mmap resumed>) = 0x20002000 [pid 3504] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5319] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5318] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5317] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... close resumed>) = 0 [pid 3500] getdents64(3, [pid 3499] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5319] <... symlink resumed>) = 0 [pid 5318] <... symlink resumed>) = 0 [pid 5317] <... mmap resumed>) = 0x20000000 [pid 3504] rmdir("./301" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5317] close(3 [pid 3504] <... rmdir resumed>) = 0 [pid 3500] close(3 [pid 3499] lstat("./281/cgroup.cpu", [pid 5319] <... symlink resumed>) = 0 [pid 5318] <... openat resumed>) = 3 [pid 5317] <... close resumed>) = 0 [pid 3504] mkdir("./302", 0777 [pid 3500] <... close resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5318] write(3, "1000", 4 [pid 5317] close(4 [pid 3504] <... mkdir resumed>) = 0 [pid 3500] rmdir("./287" [pid 3499] unlink("./281/cgroup.cpu" [pid 5319] <... openat resumed>) = 3 [pid 5318] <... write resumed>) = 4 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5319] write(3, "1000", 4 [pid 5318] close(3 [pid 5317] close(5 [pid 3500] mkdir("./288", 0777 [pid 3499] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5320 attached [pid 5319] <... write resumed>) = 4 [pid 5318] <... close resumed>) = 0 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 304 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] set_robust_list(0x5555573195e0, 24 [pid 5319] close(3 [pid 5318] read(200, [pid 5317] close(6 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./281/cgroup", ./strace-static-x86_64: Process 5321 attached [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... close resumed>) = 0 [pid 5318] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5321] set_robust_list(0x5555573195e0, 24 [pid 5320] chdir("./302" [pid 5319] read(200, [pid 5318] symlink("/dev/binderfs", "./binderfs" [pid 5317] close(7 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 290 [pid 3499] unlink("./281/cgroup" [pid 5321] <... set_robust_list resumed>) = 0 [pid 5320] <... chdir resumed>) = 0 [pid 5319] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5318] <... symlink resumed>) = 0 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] chdir("./288" [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] symlink("/dev/binderfs", "./binderfs" [pid 5318] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5317] close(8 [pid 3499] <... unlink resumed>) = 0 [pid 5321] <... chdir resumed>) = 0 [pid 5320] <... prctl resumed>) = 0 [pid 5319] <... symlink resumed>) = 0 [pid 5318] <... 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 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] setpgid(0, 0 [pid 5319] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5318] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5317] close(9 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5321] <... prctl resumed>) = 0 [pid 5320] <... setpgid resumed>) = 0 [pid 5319] <... 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 5318] <... mmap resumed>) = 0x20002000 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5321] setpgid(0, 0 [pid 5320] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5319] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5318] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5317] close(10 [pid 3499] <... close resumed>) = 0 [pid 5321] <... setpgid resumed>) = 0 [pid 5320] <... symlink resumed>) = 0 [pid 5319] <... mmap resumed>) = 0x20002000 [pid 5318] <... mmap resumed>) = 0x20000000 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./281" [pid 5321] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5320] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5319] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5318] close(3 [pid 5317] close(11 [pid 3499] <... rmdir resumed>) = 0 [pid 5321] <... symlink resumed>) = 0 [pid 5320] <... symlink resumed>) = 0 [pid 5319] <... mmap resumed>) = 0x20000000 [pid 5318] <... close resumed>) = 0 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./282", 0777 [pid 5321] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5320] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5319] close(3 [pid 5318] close(4 [pid 5317] close(12 [pid 3499] <... mkdir resumed>) = 0 [pid 5321] <... symlink resumed>) = 0 [pid 5320] <... symlink resumed>) = 0 [pid 5319] <... close resumed>) = 0 [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5321] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5319] close(4 [pid 5318] close(5 [pid 5317] close(13./strace-static-x86_64: Process 5322 attached [pid 5321] <... symlink resumed>) = 0 [pid 5320] <... openat resumed>) = 3 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] set_robust_list(0x5555573195e0, 24 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] write(3, "1000", 4 [pid 5319] close(5 [pid 5318] close(6 [pid 5317] close(14 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 284 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5321] <... openat resumed>) = 3 [pid 5320] <... write resumed>) = 4 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] chdir("./282" [pid 5321] write(3, "1000", 4 [pid 5320] close(3 [pid 5319] close(6 [pid 5318] close(7 [pid 5317] close(15 [pid 5322] <... chdir resumed>) = 0 [pid 5321] <... write resumed>) = 4 [pid 5320] <... close resumed>) = 0 [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5321] close(3 [pid 5320] read(200, [pid 5318] close(8 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(7 [pid 5322] <... prctl resumed>) = 0 [pid 5321] <... close resumed>) = 0 [pid 5320] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(16 [pid 5322] setpgid(0, 0 [pid 5321] read(200, [pid 5320] symlink("/dev/binderfs", "./binderfs" [pid 5319] close(8 [pid 5318] close(9 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... setpgid resumed>) = 0 [pid 5321] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] <... symlink resumed>) = 0 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(17 [pid 5322] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5321] symlink("/dev/binderfs", "./binderfs" [pid 5320] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5319] close(9 [pid 5318] close(10 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... symlink resumed>) = 0 [pid 5321] <... symlink resumed>) = 0 [pid 5320] <... 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 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(18 [pid 5322] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5321] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5320] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5319] close(10 [pid 5318] close(11 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... symlink resumed>) = 0 [pid 5321] <... 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 5320] <... mmap resumed>) = 0x20002000 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(19 [pid 5322] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5321] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5320] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5319] close(11 [pid 5318] close(12 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... symlink resumed>) = 0 [pid 5321] <... mmap resumed>) = 0x20002000 [pid 5320] <... mmap resumed>) = 0x20000000 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(20 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5321] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5320] close(3 [pid 5319] close(12 [pid 5318] close(13 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... openat resumed>) = 3 [pid 5321] <... mmap resumed>) = 0x20000000 [pid 5320] <... close resumed>) = 0 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(21 [pid 5322] write(3, "1000", 4 [pid 5321] close(3 [pid 5320] close(4 [pid 5319] close(13 [pid 5318] close(14 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... write resumed>) = 4 [pid 5321] <... close resumed>) = 0 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(22 [pid 5322] close(3 [pid 5321] close(4 [pid 5320] close(5 [pid 5319] close(14 [pid 5318] close(15 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = 0 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(23 [pid 5322] read(200, [pid 5321] close(5 [pid 5320] close(6 [pid 5319] close(15 [pid 5318] close(16 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(24 [pid 5322] symlink("/dev/binderfs", "./binderfs" [pid 5321] close(6 [pid 5320] close(7 [pid 5319] close(16 [pid 5318] close(17 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... symlink resumed>) = 0 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(25 [pid 5322] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5321] close(7 [pid 5320] close(8 [pid 5319] close(17 [pid 5318] close(18 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... 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 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(26 [pid 5322] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5321] close(8 [pid 5320] close(9 [pid 5319] close(18 [pid 5318] close(19 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... mmap resumed>) = 0x20002000 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(27 [pid 5322] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5321] close(9 [pid 5320] close(10 [pid 5319] close(19 [pid 5318] close(20 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... mmap resumed>) = 0x20000000 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(28 [pid 5322] close(3 [pid 5321] close(10 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(20 [pid 5318] close(21 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = 0 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(11 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] close(29 [pid 5322] close(4 [pid 5321] close(11 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(12) = -1 EBADF (Bad file descriptor) [pid 5320] close(13) = -1 EBADF (Bad file descriptor) [pid 5319] close(21 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(14 [pid 5318] close(22 [pid 5317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(12 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] close(5 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(15 [pid 5319] close(22 [pid 5318] close(23 [pid 5317] exit_group(0 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(13 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] <... exit_group resumed>) = ? [pid 5322] close(6 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(16 [pid 5319] close(23 [pid 5318] close(24 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(14 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] +++ exited with 0 +++ [pid 5322] close(7 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(17 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(15 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(24 [pid 5318] close(25 [pid 5322] close(8 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(18 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(16 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(25 [pid 5318] close(26 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5322] close(9 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(19 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(17 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(26 [pid 5318] close(27 [pid 5322] close(10 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(20 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(18 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(27 [pid 5318] close(28 [pid 3502] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5322] close(11 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(21 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(19 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(28 [pid 5318] close(29 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5322] close(12 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(22 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(20 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] close(29 [pid 5318] exit_group(0 [pid 3502] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5322] close(13 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(23 [pid 5319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5318] <... exit_group resumed>) = ? [pid 3502] <... openat resumed>) = 3 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(21 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] exit_group(0 [pid 5318] +++ exited with 0 +++ [pid 3502] fstat(3, [pid 5322] close(14 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(24 [pid 5319] <... exit_group resumed>) = ? [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(22 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5322] close(15 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(25 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(23 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5319] +++ exited with 0 +++ [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5322] close(16 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(26 [pid 3503] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(24 [pid 5320] <... 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=292, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3502] lstat("./296/binderfs", [pid 5322] close(17 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(27 [pid 3503] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(25 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3502] unlink("./296/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5322] close(18 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] close(28 [pid 3503] fstat(3, [pid 3502] <... unlink resumed>) = 0 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(26 [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5320] close(29 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./296/cgroup.net", [pid 5320] exit_group(0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5320] <... exit_group resumed>) = ? [pid 3502] unlink("./296/cgroup.net" [pid 5322] close(19 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5320] +++ exited with 0 +++ [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] close(27 [pid 3502] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5322] close(20 [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./296/cgroup.cpu", [pid 5322] close(21 [pid 5321] close(28 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./296/cgroup.cpu" [pid 3504] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 5322] close(22 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 5321] close(29 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] lstat("./300/binderfs", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3502] lstat("./296/cgroup", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5322] close(23 [pid 5321] exit_group(0 [pid 3504] fstat(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./296/cgroup") = 0 [pid 3502] getdents64(3, 0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] <... exit_group resumed>) = ? [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] unlink("./300/binderfs" [pid 3502] close(3 [pid 5322] close(24 [pid 3502] <... close resumed>) = 0 [pid 3501] lstat("./290/binderfs", [pid 3502] rmdir("./296") = 0 [pid 3502] mkdir("./297", 0777) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5321] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5323] set_robust_list(0x5555573195e0, 24 [pid 5322] close(25 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 299 [pid 3501] unlink("./290/binderfs" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5323] <... set_robust_list resumed>) = 0 [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... unlink resumed>) = 0 [pid 5323] chdir("./297" [pid 5322] close(26 [pid 5323] <... chdir resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./300/cgroup.net", [pid 3501] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] <... prctl resumed>) = 0 [pid 3504] lstat("./302/binderfs", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] setpgid(0, 0 [pid 5322] close(27 [pid 5323] <... setpgid resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] unlink("./300/cgroup.net" [pid 5323] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./302/binderfs" [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./290/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... symlink resumed>) = 0 [pid 5322] close(28 [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5323] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./290/cgroup.net" [pid 3500] <... openat resumed>) = 3 [pid 5323] <... symlink resumed>) = 0 [pid 5322] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./300/cgroup.cpu", [pid 3501] <... unlink resumed>) = 0 [pid 3500] fstat(3, [pid 5323] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./302/cgroup.net", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5323] <... symlink resumed>) = 0 [pid 5322] exit_group(0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./300/cgroup.cpu" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 5322] <... exit_group resumed>) = ? [pid 3504] unlink("./302/cgroup.net" [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./290/cgroup.cpu", [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5322] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] <... openat resumed>) = 3 [pid 3504] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./290/cgroup.cpu" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5323] write(3, "1000", 4 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./300/cgroup", [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./288/binderfs", [pid 5323] <... write resumed>) = 4 [pid 3504] lstat("./302/cgroup.cpu", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5323] close(3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./300/cgroup" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./288/binderfs" [pid 3499] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] <... close resumed>) = 0 [pid 3504] unlink("./302/cgroup.cpu" [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./290/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] read(200, [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5323] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] unlink("./290/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... openat resumed>) = 3 [pid 5323] symlink("/dev/binderfs", "./binderfs" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] close(3 [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./288/cgroup.net", [pid 3499] fstat(3, [pid 5323] <... symlink resumed>) = 0 [pid 3504] lstat("./302/cgroup", [pid 3503] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5323] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] rmdir("./300" [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] unlink("./288/cgroup.net" [pid 3499] getdents64(3, [pid 3504] unlink("./302/cgroup" [pid 3503] <... rmdir resumed>) = 0 [pid 3501] close(3 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5323] <... 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 3503] mkdir("./301", 0777 [pid 3501] <... close resumed>) = 0 [pid 3500] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] getdents64(3, [pid 3503] <... mkdir resumed>) = 0 [pid 3501] rmdir("./290" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... mmap resumed>) = 0x20002000 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... rmdir resumed>) = 0 [pid 3500] lstat("./288/cgroup.cpu", [pid 3499] lstat("./282/binderfs", ./strace-static-x86_64: Process 5324 attached [pid 5323] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] close(3 [pid 3501] mkdir("./291", 0777 [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 5324] set_robust_list(0x5555573195e0, 24 [pid 5323] <... mmap resumed>) = 0x20000000 [pid 3504] <... close resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 303 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] unlink("./288/cgroup.cpu" [pid 3499] unlink("./282/binderfs" [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] close(3 [pid 3504] rmdir("./302" [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 [pid 5324] chdir("./301" [pid 5323] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5325 attached [pid 5324] <... chdir resumed>) = 0 [pid 5323] close(4 [pid 3504] <... rmdir resumed>) = 0 [pid 3500] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./303", 0777 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 293 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5325] set_robust_list(0x5555573195e0, 24 [pid 5324] <... prctl resumed>) = 0 [pid 5323] close(5 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5325] <... set_robust_list resumed>) = 0 [pid 5324] setpgid(0, 0 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3500] lstat("./288/cgroup", [pid 5324] <... setpgid resumed>) = 0 [pid 5323] close(6 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./282/cgroup.net", ./strace-static-x86_64: Process 5326 attached [pid 5325] chdir("./291" [pid 5324] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5326] set_robust_list(0x5555573195e0, 24 [pid 5325] <... chdir resumed>) = 0 [pid 5324] <... symlink resumed>) = 0 [pid 5323] close(7 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 305 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5326] <... set_robust_list resumed>) = 0 [pid 5324] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] unlink("./288/cgroup" [pid 5326] chdir("./303" [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5324] <... symlink resumed>) = 0 [pid 5323] close(8 [pid 3499] unlink("./282/cgroup.net" [pid 5326] <... chdir resumed>) = 0 [pid 5324] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] <... prctl resumed>) = 0 [pid 5324] <... symlink resumed>) = 0 [pid 5323] close(9 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5326] <... prctl resumed>) = 0 [pid 5325] setpgid(0, 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] getdents64(3, [pid 5326] setpgid(0, 0 [pid 5325] <... setpgid resumed>) = 0 [pid 5324] <... openat resumed>) = 3 [pid 5323] close(10 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5326] <... setpgid resumed>) = 0 [pid 5325] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5324] write(3, "1000", 4 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 5326] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5325] <... symlink resumed>) = 0 [pid 5324] <... write resumed>) = 4 [pid 5323] close(11 [pid 3500] <... close resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5326] <... symlink resumed>) = 0 [pid 5325] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5324] close(3 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./288" [pid 3499] lstat("./282/cgroup.cpu", [pid 5326] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5325] <... symlink resumed>) = 0 [pid 5324] <... close resumed>) = 0 [pid 5323] close(12 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5326] <... symlink resumed>) = 0 [pid 5325] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5324] read(200, [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./289", 0777 [pid 3499] unlink("./282/cgroup.cpu" [pid 5326] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5325] <... symlink resumed>) = 0 [pid 5324] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] close(13 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5326] <... symlink resumed>) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5324] symlink("/dev/binderfs", "./binderfs" [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5327 attached [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] <... openat resumed>) = 3 [pid 5324] <... symlink resumed>) = 0 [pid 5323] close(14 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5327] set_robust_list(0x5555573195e0, 24 [pid 5326] <... openat resumed>) = 3 [pid 5325] write(3, "1000", 4 [pid 5324] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 291 [pid 3499] lstat("./282/cgroup", [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] write(3, "1000", 4 [pid 5325] <... write resumed>) = 4 [pid 5324] <... 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 5323] close(15 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5327] chdir("./289" [pid 5326] <... write resumed>) = 4 [pid 5325] close(3 [pid 5324] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] unlink("./282/cgroup" [pid 5327] <... chdir resumed>) = 0 [pid 5326] close(3 [pid 5325] <... close resumed>) = 0 [pid 5324] <... mmap resumed>) = 0x20002000 [pid 5323] close(16 [pid 3499] <... unlink resumed>) = 0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] <... close resumed>) = 0 [pid 5325] read(200, [pid 5324] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] getdents64(3, [pid 5327] <... prctl resumed>) = 0 [pid 5326] read(200, [pid 5325] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] close(17 [pid 5324] <... mmap resumed>) = 0x20000000 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5327] setpgid(0, 0 [pid 5325] symlink("/dev/binderfs", "./binderfs" [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3499] close(3 [pid 5327] <... setpgid resumed>) = 0 [pid 5326] symlink("/dev/binderfs", "./binderfs" [pid 5325] <... symlink resumed>) = 0 [pid 5324] close(3 [pid 5323] close(18 [pid 3499] <... close resumed>) = 0 [pid 5327] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5326] <... symlink resumed>) = 0 [pid 5325] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5324] <... close resumed>) = 0 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./282" [pid 5327] <... symlink resumed>) = 0 [pid 5326] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5325] <... 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 5324] close(4 [pid 5323] close(19 [pid 3499] <... rmdir resumed>) = 0 [pid 5327] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5325] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./283", 0777 [pid 5327] <... symlink resumed>) = 0 [pid 5326] <... 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 5325] <... mmap resumed>) = 0x20002000 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(20 [pid 3499] <... mkdir resumed>) = 0 [pid 5327] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5326] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5325] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5324] close(5 [pid 5323] <... 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 5328 attached [pid 5327] <... symlink resumed>) = 0 [pid 5326] <... mmap resumed>) = 0x20002000 [pid 5325] <... mmap resumed>) = 0x20000000 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(21 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5326] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5325] close(3 [pid 5324] close(6 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... mmap resumed>) = 0x20000000 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] close(3 [pid 5324] close(7 [pid 5327] <... openat resumed>) = 3 [pid 5326] <... close resumed>) = 0 [pid 5325] <... close resumed>) = 0 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(22 [pid 5327] write(3, "1000", 4 [pid 5326] close(4 [pid 5325] close(4 [pid 5324] close(8 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 285 [pid 5328] set_robust_list(0x5555573195e0, 24 [pid 5327] <... write resumed>) = 4 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(23 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] close(3 [pid 5326] close(5 [pid 5325] close(5 [pid 5324] close(9 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] chdir("./283" [pid 5327] <... close resumed>) = 0 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(24 [pid 5328] <... chdir resumed>) = 0 [pid 5327] read(200, [pid 5326] close(6 [pid 5325] close(6 [pid 5324] close(10 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... prctl resumed>) = 0 [pid 5327] symlink("/dev/binderfs", "./binderfs" [pid 5326] close(7 [pid 5325] close(7 [pid 5324] close(11 [pid 5323] close(25 [pid 5328] setpgid(0, 0 [pid 5327] <... symlink resumed>) = 0 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... setpgid resumed>) = 0 [pid 5327] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5326] close(8 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(12 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5327] <... 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 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(8 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(26 [pid 5328] <... symlink resumed>) = 0 [pid 5327] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5326] close(9 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(13 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5327] <... mmap resumed>) = 0x20002000 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(9 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(27 [pid 5328] <... symlink resumed>) = 0 [pid 5327] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5326] close(10 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(14 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5327] <... mmap resumed>) = 0x20000000 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(10 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(28 [pid 5328] <... symlink resumed>) = 0 [pid 5327] close(3 [pid 5326] close(11 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(15 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5327] <... close resumed>) = 0 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(11 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] close(29 [pid 5328] <... openat resumed>) = 3 [pid 5327] close(4 [pid 5326] close(12 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(16 [pid 5323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] write(3, "1000", 4 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(12 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] exit_group(0 [pid 5328] <... write resumed>) = 4 [pid 5327] close(5 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] <... exit_group resumed>) = ? [pid 5328] close(3 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] close(13 [pid 5325] close(13 [pid 5324] close(17 [pid 5328] <... close resumed>) = 0 [pid 5327] close(6 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5323] +++ exited with 0 +++ [pid 5328] read(200, [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(14 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5327] close(7 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(15 [pid 5327] close(8 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] close(14 [pid 5328] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(16 [pid 5324] close(18 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] symlink("/dev/binderfs", "./binderfs" [pid 5327] close(9 [pid 5326] close(15 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... symlink resumed>) = 0 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(17 [pid 5324] close(19 [pid 3502] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5328] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5327] close(10 [pid 5326] close(16 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] <... 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 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(18 [pid 5324] close(20 [pid 3502] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5328] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5327] close(11 [pid 5326] close(17 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... mmap resumed>) = 0x20002000 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(19 [pid 5324] close(21 [pid 3502] <... openat resumed>) = 3 [pid 5328] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5327] close(12 [pid 5326] close(18 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... mmap resumed>) = 0x20000000 [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(22 [pid 3502] fstat(3, [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] close(3 [pid 5326] close(19 [pid 5325] close(20 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(13 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5328] <... close resumed>) = 0 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(23 [pid 3502] getdents64(3, [pid 5328] close(4 [pid 5327] close(14 [pid 5326] close(20 [pid 5325] close(21 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(24 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5328] close(5 [pid 5327] close(15 [pid 5326] close(21 [pid 5325] close(22 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(25 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] close(6 [pid 5327] close(16 [pid 5326] close(22 [pid 5325] close(23 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./297/binderfs", [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(26 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5328] close(7 [pid 5327] close(17 [pid 5326] close(23 [pid 5325] close(24 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./297/binderfs" [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] close(27 [pid 3502] <... unlink resumed>) = 0 [pid 5328] close(8 [pid 5327] close(18 [pid 5326] close(24 [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(25 [pid 5324] close(28 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] close(9 [pid 5327] close(19 [pid 5326] close(25 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./297/cgroup.net", [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(26 [pid 5324] close(29 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5328] close(10 [pid 5327] close(20 [pid 5326] close(26 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./297/cgroup.net" [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(27 [pid 5324] exit_group(0 [pid 3502] <... unlink resumed>) = 0 [pid 5328] close(11 [pid 5327] close(21 [pid 5326] close(27 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5324] <... exit_group resumed>) = ? [pid 3502] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(28 [pid 5324] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] close(12 [pid 5327] close(22 [pid 5326] close(28 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./297/cgroup.cpu", [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(29 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5328] close(13 [pid 5327] close(23 [pid 5326] close(29 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./297/cgroup.cpu" [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] exit_group(0 [pid 5328] close(14 [pid 5327] close(24 [pid 5326] exit_group(0 [pid 5325] <... exit_group resumed>) = ? [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3502] <... unlink resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... exit_group resumed>) = ? [pid 3503] <... restart_syscall resumed>) = 0 [pid 3502] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5328] close(15 [pid 5327] close(25 [pid 5326] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./297/cgroup", [pid 5328] close(16 [pid 3503] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./297/cgroup" [pid 5328] close(17 [pid 3503] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... unlink resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... openat resumed>) = 3 [pid 3502] getdents64(3, [pid 5328] close(18 [pid 3503] fstat(3, [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] close(3 [pid 5328] close(19 [pid 3503] getdents64(3, [pid 3502] <... close resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] rmdir("./297" [pid 5328] close(20 [pid 3503] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] mkdir("./298", 0777 [pid 5328] close(21 [pid 5327] close(26 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] lstat("./301/binderfs", [pid 3502] <... mkdir resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... 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 [pid 5328] close(22 [pid 5327] close(27 [pid 3503] unlink("./301/binderfs"./strace-static-x86_64: Process 5329 attached [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 5329] set_robust_list(0x5555573195e0, 24 [pid 5328] close(23 [pid 5327] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 300 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] chdir("./298" [pid 5328] close(24 [pid 5327] close(29 [pid 3504] <... openat resumed>) = 3 [pid 3503] lstat("./301/cgroup.net", [pid 3501] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... chdir resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] fstat(3, [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5328] close(25 [pid 3503] unlink("./301/cgroup.net" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] <... prctl resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] exit_group(0 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5329] setpgid(0, 0 [pid 5328] close(26 [pid 5327] <... exit_group resumed>) = ? [pid 3504] getdents64(3, [pid 3503] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... setpgid resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... openat resumed>) = 3 [pid 5329] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5328] close(27 [pid 3503] lstat("./301/cgroup.cpu", [pid 3504] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... symlink resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] +++ exited with 0 +++ [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] fstat(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5328] close(28 [pid 3503] unlink("./301/cgroup.cpu" [pid 5329] <... symlink resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./303/binderfs", [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5328] close(29 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... symlink resumed>) = 0 [pid 5328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./303/binderfs" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./301/cgroup", [pid 3500] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5329] <... openat resumed>) = 3 [pid 5328] <... exit_group resumed>) = ? [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] <... openat resumed>) = 3 [pid 5329] write(3, "1000", 4 [pid 5328] +++ exited with 0 +++ [pid 3504] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./301/cgroup" [pid 3501] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] fstat(3, [pid 5329] <... write resumed>) = 4 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5329] close(3 [pid 3504] lstat("./303/cgroup.net", [pid 3503] getdents64(3, [pid 3501] lstat("./291/binderfs", [pid 3500] getdents64(3, [pid 5329] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] read(200, [pid 3504] unlink("./303/cgroup.net" [pid 3503] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] symlink("/dev/binderfs", "./binderfs" [pid 3503] rmdir("./301" [pid 3500] lstat("./289/binderfs", [pid 5329] <... symlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... rmdir resumed>) = 0 [pid 3501] unlink("./291/binderfs" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] mkdir("./302", 0777 [pid 3500] unlink("./289/binderfs" [pid 5329] <... 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... mkdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5329] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... mmap resumed>) = 0x20002000 [pid 3504] lstat("./303/cgroup.cpu", [pid 3501] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5330 attached [pid 5329] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5330] set_robust_list(0x5555573195e0, 24 [pid 5329] <... mmap resumed>) = 0x20000000 [pid 3504] unlink("./303/cgroup.cpu" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 304 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./289/cgroup.net", [pid 3499] fstat(3, [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] close(3 [pid 3504] <... unlink resumed>) = 0 [pid 3501] lstat("./291/cgroup.net", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5330] chdir("./302" [pid 5329] <... close resumed>) = 0 [pid 3504] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./289/cgroup.net" [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5330] <... chdir resumed>) = 0 [pid 5329] close(4 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./291/cgroup.net" [pid 3500] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./303/cgroup", [pid 3501] <... unlink resumed>) = 0 [pid 3500] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5330] <... prctl resumed>) = 0 [pid 5329] close(5 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5330] setpgid(0, 0 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./303/cgroup" [pid 3500] lstat("./289/cgroup.cpu", [pid 5330] <... setpgid resumed>) = 0 [pid 5329] close(6 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5330] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3501] lstat("./291/cgroup.cpu", [pid 3500] unlink("./289/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5330] <... symlink resumed>) = 0 [pid 5329] close(7 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./283/binderfs", [pid 5330] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] close(3 [pid 3501] unlink("./291/cgroup.cpu" [pid 3500] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5330] <... symlink resumed>) = 0 [pid 5329] close(8 [pid 3504] <... close resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./283/binderfs" [pid 5330] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3504] rmdir("./303" [pid 3501] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... symlink resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] close(9 [pid 3500] lstat("./289/cgroup", [pid 3499] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] mkdir("./304", 0777 [pid 3501] lstat("./291/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5330] <... openat resumed>) = 3 [pid 5329] close(10 [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] lstat("./283/cgroup.net", [pid 5330] write(3, "1000", 4 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] unlink("./291/cgroup" [pid 3500] unlink("./289/cgroup" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5331 attached [pid 5330] <... write resumed>) = 4 [pid 5329] close(11 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] unlink("./283/cgroup.net" [pid 5331] set_robust_list(0x5555573195e0, 24 [pid 5330] close(3 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 306 [pid 3501] getdents64(3, [pid 3500] getdents64(3, [pid 3499] <... unlink resumed>) = 0 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... close resumed>) = 0 [pid 5329] close(12 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5331] chdir("./304" [pid 5330] read(200, [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] close(3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] close(3 [pid 5331] <... chdir resumed>) = 0 [pid 5330] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] close(13 [pid 3501] <... close resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] lstat("./283/cgroup.cpu", [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5330] symlink("/dev/binderfs", "./binderfs" [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] rmdir("./291" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5331] <... prctl resumed>) = 0 [pid 5330] <... symlink resumed>) = 0 [pid 5329] close(14 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] rmdir("./289" [pid 3499] unlink("./283/cgroup.cpu" [pid 5331] setpgid(0, 0 [pid 5330] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] mkdir("./292", 0777 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5331] <... setpgid resumed>) = 0 [pid 5330] <... 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] <... mkdir resumed>) = 0 [pid 3499] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] close(15 [pid 5331] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5330] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] mkdir("./290", 0777 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5332 attached [pid 5331] <... symlink resumed>) = 0 [pid 5330] <... mmap resumed>) = 0x20002000 [pid 5329] close(16 [pid 3499] lstat("./283/cgroup", [pid 5332] set_robust_list(0x5555573195e0, 24 [pid 5331] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5330] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 294 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] <... symlink resumed>) = 0 [pid 5330] <... mmap resumed>) = 0x20000000 [pid 5329] close(17 [pid 3499] unlink("./283/cgroup" [pid 5332] chdir("./292" [pid 5331] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5330] close(3 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... unlink resumed>) = 0 [pid 5332] <... chdir resumed>) = 0 [pid 5331] <... symlink resumed>) = 0 [pid 5330] <... close resumed>) = 0 [pid 5329] close(18 [pid 3499] getdents64(3, [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5333 attached [pid 5332] <... prctl resumed>) = 0 [pid 5331] <... openat resumed>) = 3 [pid 5330] close(4 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5333] set_robust_list(0x5555573195e0, 24 [pid 5332] setpgid(0, 0 [pid 5331] write(3, "1000", 4 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(19 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 292 [pid 3499] <... close resumed>) = 0 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] <... setpgid resumed>) = 0 [pid 5331] <... write resumed>) = 4 [pid 5330] close(5 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./283" [pid 5333] chdir("./290" [pid 5332] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5331] close(3 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(20 [pid 3499] <... rmdir resumed>) = 0 [pid 5333] <... chdir resumed>) = 0 [pid 5332] <... symlink resumed>) = 0 [pid 5331] <... close resumed>) = 0 [pid 5330] close(6 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./284", 0777 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5331] read(200, [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(21 [pid 3499] <... mkdir resumed>) = 0 [pid 5333] <... prctl resumed>) = 0 [pid 5332] <... symlink resumed>) = 0 [pid 5331] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] close(7 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5333] setpgid(0, 0 [pid 5332] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5331] symlink("/dev/binderfs", "./binderfs" [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(22./strace-static-x86_64: Process 5334 attached [pid 5333] <... setpgid resumed>) = 0 [pid 5332] <... symlink resumed>) = 0 [pid 5331] <... symlink resumed>) = 0 [pid 5330] close(8 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 286 [pid 5334] set_robust_list(0x5555573195e0, 24 [pid 5333] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(23 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] <... symlink resumed>) = 0 [pid 5332] <... openat resumed>) = 3 [pid 5331] <... 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 5330] close(9 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] chdir("./284" [pid 5333] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5332] write(3, "1000", 4 [pid 5331] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(24 [pid 5334] <... chdir resumed>) = 0 [pid 5333] <... symlink resumed>) = 0 [pid 5332] <... write resumed>) = 4 [pid 5331] <... mmap resumed>) = 0x20002000 [pid 5330] close(10 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5332] close(3 [pid 5331] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(25 [pid 5334] <... prctl resumed>) = 0 [pid 5333] <... symlink resumed>) = 0 [pid 5332] <... close resumed>) = 0 [pid 5331] <... mmap resumed>) = 0x20000000 [pid 5330] close(11 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] setpgid(0, 0 [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5332] read(200, [pid 5334] <... setpgid resumed>) = 0 [pid 5333] <... openat resumed>) = 3 [pid 5331] close(3 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(26 [pid 5334] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5333] write(3, "1000", 4 [pid 5334] <... symlink resumed>) = 0 [pid 5333] <... write resumed>) = 4 [pid 5332] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] <... close resumed>) = 0 [pid 5330] close(12 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5333] close(3 [pid 5332] symlink("/dev/binderfs", "./binderfs" [pid 5331] close(4 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(27 [pid 5334] <... symlink resumed>) = 0 [pid 5333] <... close resumed>) = 0 [pid 5332] <... symlink resumed>) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5333] read(200, [pid 5332] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5331] close(5 [pid 5330] close(13 [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... symlink resumed>) = 0 [pid 5333] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... 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 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] symlink("/dev/binderfs", "./binderfs" [pid 5332] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5331] close(6 [pid 5330] close(14 [pid 5329] close(28 [pid 5334] <... openat resumed>) = 3 [pid 5333] <... symlink resumed>) = 0 [pid 5332] <... mmap resumed>) = 0x20002000 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] write(3, "1000", 4 [pid 5333] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5332] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5331] close(7 [pid 5330] close(15 [pid 5329] close(29 [pid 5334] <... write resumed>) = 4 [pid 5333] <... 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 5332] <... mmap resumed>) = 0x20000000 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] close(3 [pid 5333] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5331] close(8 [pid 5330] close(16 [pid 5329] exit_group(0 [pid 5332] close(3 [pid 5334] <... close resumed>) = 0 [pid 5333] <... mmap resumed>) = 0x20002000 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] read(200, [pid 5333] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5331] close(9 [pid 5334] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] <... mmap resumed>) = 0x20000000 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] symlink("/dev/binderfs", "./binderfs" [pid 5333] close(3 [pid 5331] close(10 [pid 5334] <... symlink resumed>) = 0 [pid 5333] <... close resumed>) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] <... exit_group resumed>) = ? [pid 5332] <... close resumed>) = 0 [pid 5334] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5333] close(4 [pid 5331] close(11 [pid 5330] close(17 [pid 5334] <... 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 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5333] close(5 [pid 5331] close(12 [pid 5334] <... mmap resumed>) = 0x20002000 [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(4 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5333] close(6 [pid 5331] close(13 [pid 5334] <... mmap resumed>) = 0x20000000 [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] close(3 [pid 5333] close(7 [pid 5331] close(14 [pid 5334] <... close resumed>) = 0 [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(18 [pid 5334] close(4 [pid 5333] close(8 [pid 5332] close(5 [pid 5331] close(15 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] +++ exited with 0 +++ [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(19 [pid 5334] close(5 [pid 5333] close(9 [pid 5332] close(6 [pid 5331] close(16 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(20 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5334] close(6 [pid 5333] close(10 [pid 5332] close(7 [pid 5331] close(17 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 [pid 5334] close(7 [pid 5333] close(11 [pid 5331] close(18 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(8 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(21 [pid 5334] close(8 [pid 5333] close(12 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(19 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(9 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(22 [pid 3502] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5334] close(9 [pid 5333] close(13 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(20 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(10 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(23 [pid 3502] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5334] close(10 [pid 5333] close(14 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(21 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(11 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(24 [pid 3502] fstat(3, [pid 5334] close(11 [pid 5333] close(15 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(22 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(12 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(25 [pid 3502] getdents64(3, [pid 5334] close(12 [pid 5333] close(16 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(23 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(13 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(26 [pid 3502] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5334] close(13 [pid 5333] close(17 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(24 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(14 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(27 [pid 3502] lstat("./298/binderfs", [pid 5334] close(14 [pid 5333] close(18 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(25 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(15 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(28 [pid 3502] unlink("./298/binderfs" [pid 5334] close(15 [pid 5333] close(19 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(26 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(16 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] close(29 [pid 3502] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5334] close(16 [pid 5333] close(20 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(27 [pid 5330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(17 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] exit_group(0 [pid 3502] lstat("./298/cgroup.net", [pid 5334] close(17 [pid 5333] close(21 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(28 [pid 5330] <... exit_group resumed>) = ? [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(18 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] +++ exited with 0 +++ [pid 3502] unlink("./298/cgroup.net" [pid 5334] close(18 [pid 5333] close(22 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(29 [pid 3502] <... unlink resumed>) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(19 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5334] close(19 [pid 5333] close(23 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] exit_group(0 [pid 3503] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(20 [pid 5331] <... exit_group resumed>) = ? [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./298/cgroup.cpu", [pid 5334] close(20 [pid 5333] close(24 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] +++ exited with 0 +++ [pid 3503] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(21 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] <... openat resumed>) = 3 [pid 3502] unlink("./298/cgroup.cpu" [pid 5334] close(21 [pid 5333] close(25 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3502] <... unlink resumed>) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(22 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5334] close(22 [pid 5333] close(26 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(23 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] lstat("./298/cgroup", [pid 5334] close(23 [pid 5333] close(27 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./298/cgroup" [pid 5334] close(24 [pid 5333] close(28 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] lstat("./302/binderfs", [pid 3502] <... unlink resumed>) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(25 [pid 3504] <... openat resumed>) = 3 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] getdents64(3, [pid 5334] close(25 [pid 5333] close(29 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] unlink("./302/binderfs" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(26 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] close(3 [pid 5334] close(26 [pid 5333] exit_group(0 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... close resumed>) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] <... exit_group resumed>) = ? [pid 5332] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] rmdir("./298" [pid 5334] close(27 [pid 3504] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./302/cgroup.net", [pid 3502] <... rmdir resumed>) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] mkdir("./299", 0777 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] +++ exited with 0 +++ [pid 5332] close(28 [pid 3504] lstat("./304/binderfs", [pid 3503] unlink("./302/cgroup.net" [pid 3502] <... mkdir resumed>) = 0 [pid 5334] close(28 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5335 attached [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] close(29 [pid 3504] unlink("./304/binderfs" [pid 3503] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] set_robust_list(0x5555573195e0, 24 [pid 5334] close(29 [pid 5332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 301 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] exit_group(0 [pid 3504] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./302/cgroup.cpu", [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5335] chdir("./299" [pid 5334] exit_group(0 [pid 5332] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 5335] <... chdir resumed>) = 0 [pid 5334] <... exit_group resumed>) = ? [pid 5332] +++ exited with 0 +++ [pid 3504] lstat("./304/cgroup.net", [pid 3503] unlink("./302/cgroup.cpu" [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5334] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5335] <... prctl resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3500] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5335] setpgid(0, 0 [pid 3504] unlink("./304/cgroup.net" [pid 3503] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5335] <... setpgid resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... restart_syscall resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5335] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3500] <... openat resumed>) = 3 [pid 3499] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] <... symlink resumed>) = 0 [pid 3500] fstat(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5335] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3501] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5335] <... symlink resumed>) = 0 [pid 3504] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./302/cgroup", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3499] <... openat resumed>) = 3 [pid 5335] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] fstat(3, [pid 5335] <... symlink resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 3500] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] fstat(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5335] <... openat resumed>) = 3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] lstat("./290/binderfs", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5335] write(3, "1000", 4 [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] lstat("./304/cgroup.cpu", [pid 3499] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] <... write resumed>) = 4 [pid 3503] unlink("./302/cgroup" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] unlink("./290/binderfs" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5335] close(3 [pid 3504] unlink("./304/cgroup.cpu" [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./284/binderfs", [pid 5335] <... close resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5335] read(200, [pid 3504] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] lstat("./292/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./284/binderfs" [pid 5335] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] close(3 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] lstat("./290/cgroup.net", [pid 3499] <... unlink resumed>) = 0 [pid 5335] symlink("/dev/binderfs", "./binderfs" [pid 3504] lstat("./304/cgroup", [pid 3503] <... close resumed>) = 0 [pid 3501] unlink("./292/binderfs" [pid 5335] <... symlink resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] rmdir("./302" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3504] unlink("./304/cgroup" [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3503] mkdir("./303", 0777 [pid 3500] unlink("./290/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5335] <... 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] getdents64(3, [pid 3503] <... mkdir resumed>) = 0 [pid 3501] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./284/cgroup.net", ./strace-static-x86_64: Process 5336 attached [pid 5335] <... mmap resumed>) = 0x20002000 [pid 3504] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5335] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] lstat("./292/cgroup.net", [pid 3499] unlink("./284/cgroup.net" [pid 5336] set_robust_list(0x5555573195e0, 24 [pid 5335] <... mmap resumed>) = 0x20000000 [pid 3504] <... close resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 305 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... unlink resumed>) = 0 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] close(3 [pid 3504] rmdir("./304" [pid 3501] unlink("./292/cgroup.net" [pid 3500] lstat("./290/cgroup.cpu", [pid 3499] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] chdir("./303" [pid 5335] <... close resumed>) = 0 [pid 3504] <... rmdir resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5336] <... chdir resumed>) = 0 [pid 5335] close(4 [pid 3504] mkdir("./305", 0777 [pid 3501] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] lstat("./284/cgroup.cpu", [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./290/cgroup.cpu" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5336] <... prctl resumed>) = 0 [pid 5335] close(5 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] lstat("./292/cgroup.cpu", [pid 3499] unlink("./284/cgroup.cpu" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5335] close(6 [pid 3501] unlink("./292/cgroup.cpu" [pid 3499] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5335] close(7 [pid 3501] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./284/cgroup", [pid 5336] setpgid(0, 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5335] close(8 [pid 3501] lstat("./292/cgroup", [pid 3499] unlink("./284/cgroup"./strace-static-x86_64: Process 5337 attached [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] <... setpgid resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5337] set_robust_list(0x5555573195e0, 24 [pid 5335] close(9 [pid 3501] unlink("./292/cgroup" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... unlink resumed>) = 0 [pid 3500] lstat("./290/cgroup", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5337] chdir("./305" [pid 5335] close(10 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 307 [pid 3501] getdents64(3, [pid 3499] close(3 [pid 5336] <... symlink resumed>) = 0 [pid 5337] <... chdir resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... close resumed>) = 0 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5335] close(11 [pid 3501] close(3 [pid 3499] rmdir("./284" [pid 5337] <... prctl resumed>) = 0 [pid 5336] <... symlink resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... close resumed>) = 0 [pid 3500] unlink("./290/cgroup" [pid 3499] <... rmdir resumed>) = 0 [pid 5337] setpgid(0, 0 [pid 5335] close(12 [pid 3501] rmdir("./292" [pid 3499] mkdir("./285", 0777 [pid 5337] <... setpgid resumed>) = 0 [pid 5336] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5337] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5335] close(13 [pid 3501] mkdir("./293", 0777 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] <... symlink resumed>) = 0 [pid 5336] <... symlink resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] getdents64(3, ./strace-static-x86_64: Process 5338 attached [pid 5337] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5335] close(14 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 287 ./strace-static-x86_64: Process 5339 attached [pid 5338] set_robust_list(0x5555573195e0, 24 [pid 5337] <... symlink resumed>) = 0 [pid 5336] <... openat resumed>) = 3 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] close(3 [pid 5339] set_robust_list(0x5555573195e0, 24 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5336] write(3, "1000", 4 [pid 5335] close(15 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 295 [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] chdir("./285" [pid 5337] <... symlink resumed>) = 0 [pid 5336] <... write resumed>) = 4 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... close resumed>) = 0 [pid 5339] chdir("./293" [pid 5338] <... chdir resumed>) = 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] close(3 [pid 5335] close(16 [pid 5339] <... chdir resumed>) = 0 [pid 5337] <... openat resumed>) = 3 [pid 5336] <... close resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] write(3, "1000", 4 [pid 5336] read(200, [pid 5335] close(17 [pid 3500] rmdir("./290" [pid 5339] <... prctl resumed>) = 0 [pid 5338] <... prctl resumed>) = 0 [pid 5337] <... write resumed>) = 4 [pid 5336] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] setpgid(0, 0 [pid 5338] setpgid(0, 0 [pid 5337] close(3 [pid 5336] symlink("/dev/binderfs", "./binderfs" [pid 5335] close(18 [pid 3500] <... rmdir resumed>) = 0 [pid 5339] <... setpgid resumed>) = 0 [pid 5338] <... setpgid resumed>) = 0 [pid 5337] <... close resumed>) = 0 [pid 5336] <... symlink resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5338] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5337] read(200, [pid 5336] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5335] close(19 [pid 3500] mkdir("./291", 0777 [pid 5339] <... symlink resumed>) = 0 [pid 5338] <... symlink resumed>) = 0 [pid 5337] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... 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 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5337] symlink("/dev/binderfs", "./binderfs" [pid 5336] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5335] close(20 [pid 5339] <... symlink resumed>) = 0 [pid 5338] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5337] <... symlink resumed>) = 0 [pid 5336] <... mmap resumed>) = 0x20002000 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... mkdir resumed>) = 0 [pid 5339] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5338] <... symlink resumed>) = 0 [pid 5337] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5336] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5335] close(21 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5339] <... symlink resumed>) = 0 [pid 5338] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5337] <... 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 5336] <... mmap resumed>) = 0x20000000 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5336] close(3 [pid 5335] close(22./strace-static-x86_64: Process 5340 attached [pid 5339] <... openat resumed>) = 3 [pid 5338] <... symlink resumed>) = 0 [pid 5337] <... mmap resumed>) = 0x20002000 [pid 5336] <... close resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] set_robust_list(0x5555573195e0, 24 [pid 5339] write(3, "1000", 4 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5336] close(4 [pid 5335] close(23 [pid 5340] <... set_robust_list resumed>) = 0 [pid 5339] <... write resumed>) = 4 [pid 5338] <... openat resumed>) = 3 [pid 5337] <... mmap resumed>) = 0x20000000 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 293 [pid 5340] chdir("./291" [pid 5339] close(3 [pid 5338] write(3, "1000", 4 [pid 5337] close(3 [pid 5336] close(5 [pid 5335] close(24 [pid 5340] <... chdir resumed>) = 0 [pid 5339] <... close resumed>) = 0 [pid 5338] <... write resumed>) = 4 [pid 5337] <... close resumed>) = 0 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5339] read(200, [pid 5338] close(3 [pid 5337] close(4 [pid 5336] close(6 [pid 5335] close(25 [pid 5340] <... prctl resumed>) = 0 [pid 5339] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... close resumed>) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] setpgid(0, 0 [pid 5339] symlink("/dev/binderfs", "./binderfs" [pid 5338] read(200, [pid 5337] close(5 [pid 5336] close(7 [pid 5335] close(26 [pid 5340] <... setpgid resumed>) = 0 [pid 5339] <... symlink resumed>) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5339] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5337] close(6 [pid 5336] close(8 [pid 5335] close(27 [pid 5340] <... symlink resumed>) = 0 [pid 5339] <... 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 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5340] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5339] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5337] close(7 [pid 5336] close(9 [pid 5335] close(28 [pid 5340] <... symlink resumed>) = 0 [pid 5339] <... mmap resumed>) = 0x20002000 [pid 5338] symlink("/dev/binderfs", "./binderfs" [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5339] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5338] <... symlink resumed>) = 0 [pid 5337] close(8 [pid 5336] close(10 [pid 5335] close(29 [pid 5340] <... symlink resumed>) = 0 [pid 5339] <... mmap resumed>) = 0x20000000 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5339] close(3 [pid 5338] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5337] close(9 [pid 5336] close(11 [pid 5335] exit_group(0 [pid 5340] <... openat resumed>) = 3 [pid 5339] <... close resumed>) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] <... exit_group resumed>) = ? [pid 5340] write(3, "1000", 4 [pid 5339] close(4 [pid 5338] <... 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 5337] close(10 [pid 5336] close(12 [pid 5340] <... write resumed>) = 4 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] close(3 [pid 5339] close(5 [pid 5338] <... mmap resumed>) = 0x20002000 [pid 5337] close(11 [pid 5336] close(13 [pid 5340] <... close resumed>) = 0 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] +++ exited with 0 +++ [pid 5340] read(200, [pid 5339] close(6 [pid 5338] <... mmap resumed>) = 0x20000000 [pid 5337] close(12 [pid 5336] close(14 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5340] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(3 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] symlink("/dev/binderfs", "./binderfs" [pid 5339] close(7 [pid 5338] <... close resumed>) = 0 [pid 5337] close(13 [pid 5336] close(15 [pid 5340] <... symlink resumed>) = 0 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(4 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5339] close(8 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(16 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... 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 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(5 [pid 5337] close(14 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5340] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5339] close(9 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(17 [pid 3502] <... openat resumed>) = 3 [pid 5340] <... mmap resumed>) = 0x20002000 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(6 [pid 5337] close(15 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] fstat(3, [pid 5340] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5339] close(10 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(18 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5340] <... mmap resumed>) = 0x20000000 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(7 [pid 5337] close(16 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5340] close(3 [pid 5339] close(11 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(19 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5340] <... close resumed>) = 0 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(8 [pid 5337] close(17 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] close(4 [pid 5339] close(12 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(20 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(9 [pid 5337] close(18 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./299/binderfs", [pid 5340] close(5 [pid 5339] close(13 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(21 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(10 [pid 5337] close(19 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./299/binderfs" [pid 5340] close(6 [pid 5339] close(14 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(22 [pid 3502] <... unlink resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(11 [pid 5337] close(20 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] close(7 [pid 5339] close(15 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(23 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(12 [pid 5337] close(21 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./299/cgroup.net", [pid 5340] close(8 [pid 5339] close(16 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(24 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(13 [pid 5337] close(22 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./299/cgroup.net" [pid 5340] close(9 [pid 5339] close(17 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(25 [pid 3502] <... unlink resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(14 [pid 5337] close(23 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] close(10 [pid 5339] close(18 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(26 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(15 [pid 5337] close(24 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./299/cgroup.cpu", [pid 5340] close(11 [pid 5339] close(19 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(27 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(16 [pid 5337] close(25 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./299/cgroup.cpu" [pid 5340] close(12 [pid 5339] close(20 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(28 [pid 3502] <... unlink resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(17 [pid 5337] close(26 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] close(13 [pid 5339] close(21 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] close(29 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(18 [pid 5337] close(27 [pid 5336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./299/cgroup", [pid 5340] close(14 [pid 5339] close(22 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] exit_group(0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(19 [pid 5337] close(28 [pid 5336] <... exit_group resumed>) = ? [pid 3502] unlink("./299/cgroup" [pid 5340] close(15 [pid 5339] close(23 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5336] +++ exited with 0 +++ [pid 3502] <... unlink resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(20 [pid 5337] close(29 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] getdents64(3, [pid 5340] close(16 [pid 5339] close(24 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(21 [pid 3502] close(3 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] close(25 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] exit_group(0 [pid 3502] <... close resumed>) = 0 [pid 5340] close(17 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(22 [pid 3502] rmdir("./299" [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] close(26 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... exit_group resumed>) = ? [pid 5340] close(18 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(23 [pid 3503] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... rmdir resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] close(27 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] mkdir("./300", 0777 [pid 5340] close(19 [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] close(24 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] close(28 [pid 3503] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... mkdir resumed>) = 0 [pid 5340] close(20) = -1 EBADF (Bad file descriptor) [pid 5340] close(21) = -1 EBADF (Bad file descriptor) [pid 5340] close(22) = -1 EBADF (Bad file descriptor) [pid 5340] close(23) = -1 EBADF (Bad file descriptor) [pid 5340] close(24) = -1 EBADF (Bad file descriptor) [pid 5340] close(25) = -1 EBADF (Bad file descriptor) [pid 5340] close(26) = -1 EBADF (Bad file descriptor) [pid 5340] close(27) = -1 EBADF (Bad file descriptor) [pid 5340] close(28) = -1 EBADF (Bad file descriptor) [pid 5340] close(29 [pid 3503] <... openat resumed>) = 3 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] exit_group(0 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3503] fstat(3, [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5340] <... exit_group resumed>) = ? [pid 5339] close(29 [pid 5338] close(25 [pid 3504] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5341 attached [pid 5340] +++ exited with 0 +++ [pid 5339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5341] set_robust_list(0x5555573195e0, 24 [pid 5339] exit_group(0 [pid 5338] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 302 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5339] <... exit_group resumed>) = ? [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5341] chdir("./300" [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5341] <... chdir resumed>) = 0 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] setpgid(0, 0) = 0 [pid 5341] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5338] close(27 [pid 3504] <... openat resumed>) = 3 [pid 3503] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... symlink resumed>) = 0 [pid 5339] +++ exited with 0 +++ [pid 5338] close(28 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] lstat("./303/binderfs", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5341] <... symlink resumed>) = 0 [pid 5338] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] unlink("./303/binderfs" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] restart_syscall(<... resuming interrupted clone ...> [pid 5341] <... openat resumed>) = 3 [pid 3501] <... restart_syscall resumed>) = 0 [pid 5341] write(3, "1000", 4) = 4 [pid 5341] close(3 [pid 3501] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... close resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] read(200, [pid 3501] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3501] <... openat resumed>) = 3 [pid 5338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5341] symlink("/dev/binderfs", "./binderfs" [pid 3504] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3501] fstat(3, [pid 5341] <... symlink resumed>) = 0 [pid 5338] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 5341] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3501] getdents64(3, [pid 5341] <... 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 5338] <... exit_group resumed>) = ? [pid 3504] lstat("./305/binderfs", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] fstat(3, [pid 5341] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3501] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... mmap resumed>) = 0x20002000 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3501] lstat("./293/binderfs", [pid 5341] <... mmap resumed>) = 0x20000000 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5341] close(3 [pid 3501] unlink("./293/binderfs" [pid 5341] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] lstat("./303/cgroup.net", [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5341] close(4 [pid 5338] +++ exited with 0 +++ [pid 3501] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./305/binderfs" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] close(5 [pid 3501] lstat("./293/cgroup.net", [pid 3500] getdents64(3, [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5341] close(6 [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./303/cgroup.net" [pid 3501] unlink("./293/cgroup.net" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5341] close(7 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./305/cgroup.net", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] close(8 [pid 3501] lstat("./293/cgroup.cpu", [pid 3499] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./303/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./291/binderfs", [pid 5341] close(9 [pid 3501] unlink("./293/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./305/cgroup.net" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5341] close(10 [pid 3503] unlink("./303/cgroup.cpu" [pid 3501] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] unlink("./291/binderfs" [pid 3499] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] close(11 [pid 3504] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./293/cgroup", [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] fstat(3, [pid 5341] close(12 [pid 3504] lstat("./305/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./303/cgroup", [pid 3500] lstat("./291/cgroup.net", [pid 3499] getdents64(3, [pid 5341] close(13 [pid 3504] unlink("./305/cgroup.cpu" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./293/cgroup" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./303/cgroup" [pid 3500] unlink("./291/cgroup.net" [pid 3499] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] close(14 [pid 3504] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3500] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./285/binderfs", [pid 3504] lstat("./305/cgroup", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] close(3 [pid 3500] lstat("./291/cgroup.cpu", [pid 3499] unlink("./285/binderfs" [pid 5341] close(15 [pid 3504] unlink("./305/cgroup" [pid 3503] <... close resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] rmdir("./303" [pid 3500] unlink("./291/cgroup.cpu" [pid 3499] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] close(16 [pid 3504] getdents64(3, [pid 3503] <... rmdir resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] mkdir("./304", 0777 [pid 3500] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./285/cgroup.net", [pid 5341] close(17 [pid 3504] close(3 [pid 3503] <... mkdir resumed>) = 0 [pid 3501] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... close resumed>) = 0 [pid 3500] lstat("./291/cgroup", [pid 3499] unlink("./285/cgroup.net"./strace-static-x86_64: Process 5342 attached [pid 5341] close(18 [pid 3504] rmdir("./305" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5342] set_robust_list(0x5555573195e0, 24 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 306 [pid 3501] rmdir("./293" [pid 3500] unlink("./291/cgroup" [pid 3499] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] close(19 [pid 3504] mkdir("./306", 0777 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5342] chdir("./304" [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3501] mkdir("./294", 0777 [pid 3500] getdents64(3, [pid 3499] lstat("./285/cgroup.cpu", [pid 5342] <... chdir resumed>) = 0 [pid 5341] close(20 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5343 attached [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... mkdir resumed>) = 0 [pid 3500] close(3 [pid 3499] unlink("./285/cgroup.cpu" [pid 5343] set_robust_list(0x5555573195e0, 24 [pid 5342] <... prctl resumed>) = 0 [pid 5341] close(21 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 308 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5342] setpgid(0, 0 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] rmdir("./291" [pid 3499] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5344 attached [pid 5343] chdir("./306" [pid 5342] <... setpgid resumed>) = 0 [pid 5341] close(22 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5344] set_robust_list(0x5555573195e0, 24 [pid 5343] <... chdir resumed>) = 0 [pid 5342] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] mkdir("./292", 0777 [pid 3499] lstat("./285/cgroup", [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5342] <... symlink resumed>) = 0 [pid 5341] close(23 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 296 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5344] chdir("./294" [pid 5343] <... prctl resumed>) = 0 [pid 5342] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] unlink("./285/cgroup"./strace-static-x86_64: Process 5345 attached [pid 5344] <... chdir resumed>) = 0 [pid 5343] setpgid(0, 0 [pid 5342] <... symlink resumed>) = 0 [pid 5341] close(24 [pid 3499] <... unlink resumed>) = 0 [pid 5345] set_robust_list(0x5555573195e0, 24 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] <... setpgid resumed>) = 0 [pid 5342] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 294 [pid 3499] getdents64(3, [pid 5345] <... set_robust_list resumed>) = 0 [pid 5344] <... prctl resumed>) = 0 [pid 5343] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5342] <... symlink resumed>) = 0 [pid 5341] close(25 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5345] chdir("./292" [pid 5344] setpgid(0, 0 [pid 5343] <... symlink resumed>) = 0 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] close(3 [pid 5345] <... chdir resumed>) = 0 [pid 5344] <... setpgid resumed>) = 0 [pid 5343] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5342] <... openat resumed>) = 3 [pid 5341] close(26 [pid 3499] <... close resumed>) = 0 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5344] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5343] <... symlink resumed>) = 0 [pid 5342] write(3, "1000", 4 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] rmdir("./285" [pid 5345] <... prctl resumed>) = 0 [pid 5344] <... symlink resumed>) = 0 [pid 5343] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5342] <... write resumed>) = 4 [pid 5341] close(27 [pid 3499] <... rmdir resumed>) = 0 [pid 5345] setpgid(0, 0 [pid 5344] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5343] <... symlink resumed>) = 0 [pid 5342] close(3 [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] mkdir("./286", 0777 [pid 5345] <... setpgid resumed>) = 0 [pid 5344] <... symlink resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] <... close resumed>) = 0 [pid 5341] close(28 [pid 5345] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5344] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5343] <... openat resumed>) = 3 [pid 5342] read(200, [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5345] <... symlink resumed>) = 0 [pid 5344] <... symlink resumed>) = 0 [pid 5343] write(3, "1000", 4 [pid 5342] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] close(29 [pid 5345] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5343] <... write resumed>) = 4 [pid 5342] symlink("/dev/binderfs", "./binderfs" [pid 5341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5345] <... symlink resumed>) = 0 [pid 5344] <... openat resumed>) = 3 [pid 5343] close(3 [pid 5341] exit_group(0 [pid 5345] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5343] <... close resumed>) = 0 [pid 5342] <... symlink resumed>) = 0 [pid 5341] <... exit_group resumed>) = ? [pid 5345] <... symlink resumed>) = 0 [pid 5344] write(3, "1000", 4 [pid 5343] read(200, [pid 5342] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0./strace-static-x86_64: Process 5346 attached [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5344] <... write resumed>) = 4 [pid 5343] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... 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 5341] +++ exited with 0 +++ [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 288 [pid 5346] set_robust_list(0x5555573195e0, 24 [pid 5345] <... openat resumed>) = 3 [pid 5344] close(3 [pid 5343] symlink("/dev/binderfs", "./binderfs" [pid 5342] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] write(3, "1000", 4 [pid 5344] <... close resumed>) = 0 [pid 5343] <... symlink resumed>) = 0 [pid 5342] <... mmap resumed>) = 0x20002000 [pid 5346] chdir("./286" [pid 5345] <... write resumed>) = 4 [pid 5344] read(200, [pid 5342] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5343] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5346] <... chdir resumed>) = 0 [pid 5345] close(3 [pid 5344] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... 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 5342] <... mmap resumed>) = 0x20000000 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5345] <... close resumed>) = 0 [pid 5344] symlink("/dev/binderfs", "./binderfs" [pid 5343] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5342] close(3 [pid 5346] <... prctl resumed>) = 0 [pid 5345] read(200, [pid 5344] <... symlink resumed>) = 0 [pid 5343] <... mmap resumed>) = 0x20002000 [pid 5342] <... close resumed>) = 0 [pid 5346] setpgid(0, 0 [pid 5345] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5343] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5342] close(4 [pid 3502] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] <... setpgid resumed>) = 0 [pid 5345] symlink("/dev/binderfs", "./binderfs" [pid 5344] <... 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 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5345] <... symlink resumed>) = 0 [pid 5344] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5343] <... mmap resumed>) = 0x20000000 [pid 5342] close(5 [pid 3502] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5346] <... symlink resumed>) = 0 [pid 5345] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5344] <... mmap resumed>) = 0x20002000 [pid 5343] close(3 [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 5346] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5344] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5342] close(6 [pid 3502] fstat(3, [pid 5346] <... symlink resumed>) = 0 [pid 5345] <... 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 5344] <... mmap resumed>) = 0x20000000 [pid 5343] <... close resumed>) = 0 [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5346] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5345] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5344] close(3 [pid 5343] close(4 [pid 5342] close(7 [pid 3502] getdents64(3, [pid 5346] <... symlink resumed>) = 0 [pid 5345] <... mmap resumed>) = 0x20002000 [pid 5344] <... close resumed>) = 0 [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5345] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5344] close(4 [pid 5343] close(5 [pid 5342] close(8 [pid 3502] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] <... openat resumed>) = 3 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... mmap resumed>) = 0x20000000 [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] write(3, "1000", 4 [pid 5345] close(3 [pid 5344] close(5 [pid 5343] close(6 [pid 5342] close(9 [pid 3502] lstat("./300/binderfs", [pid 5346] <... write resumed>) = 4 [pid 5345] <... close resumed>) = 0 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5346] close(3 [pid 5345] close(4 [pid 5344] close(6 [pid 5343] close(7 [pid 5342] close(10 [pid 3502] unlink("./300/binderfs" [pid 5346] <... close resumed>) = 0 [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5346] read(200, [pid 5345] close(5 [pid 5344] close(7 [pid 5343] close(8 [pid 5342] close(11 [pid 3502] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] symlink("/dev/binderfs", "./binderfs" [pid 5345] close(6 [pid 5344] close(8 [pid 5343] close(9 [pid 5342] close(12 [pid 3502] lstat("./300/cgroup.net", [pid 5346] <... symlink resumed>) = 0 [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5346] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5345] close(7 [pid 5344] close(9 [pid 5343] close(10 [pid 5342] close(13 [pid 3502] unlink("./300/cgroup.net" [pid 5346] <... 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 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5346] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5345] close(8 [pid 5344] close(10 [pid 5343] close(11 [pid 5342] close(14 [pid 3502] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] <... mmap resumed>) = 0x20002000 [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5345] close(9 [pid 5344] close(11 [pid 5343] close(12 [pid 5342] close(15 [pid 3502] lstat("./300/cgroup.cpu", [pid 5346] <... mmap resumed>) = 0x20000000 [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5346] close(3 [pid 5345] close(10 [pid 5344] close(12 [pid 5343] close(13 [pid 5342] close(16 [pid 3502] unlink("./300/cgroup.cpu" [pid 5346] <... close resumed>) = 0 [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5346] close(4 [pid 5345] close(11 [pid 5344] close(13 [pid 5343] close(14 [pid 5342] close(17 [pid 3502] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] close(5 [pid 5345] close(12 [pid 5344] close(14 [pid 5343] close(15 [pid 5342] close(18 [pid 3502] lstat("./300/cgroup", [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5346] close(6 [pid 5345] close(13 [pid 5344] close(15 [pid 5343] close(16 [pid 5342] close(19 [pid 3502] unlink("./300/cgroup" [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 5346] close(7 [pid 5345] close(14 [pid 5344] close(16 [pid 5343] close(17 [pid 5342] close(20 [pid 3502] getdents64(3, [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5346] close(8 [pid 5345] close(15 [pid 5344] close(17 [pid 5343] close(18 [pid 5342] close(21 [pid 3502] close(3 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5346] close(9 [pid 5345] close(16 [pid 5344] close(18 [pid 5343] close(19 [pid 3502] <... close resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] close(22 [pid 3502] rmdir("./300" [pid 5346] close(10 [pid 5345] close(17 [pid 5344] close(19 [pid 5343] close(20 [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... rmdir resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5346] close(11 [pid 5345] close(18 [pid 5344] close(20 [pid 5343] close(21 [pid 5342] close(23 [pid 3502] mkdir("./301", 0777 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... mkdir resumed>) = 0 [pid 5346] close(12 [pid 5345] close(19 [pid 5344] close(21 [pid 5343] close(22 [pid 5342] close(24 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5347 attached [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] set_robust_list(0x5555573195e0, 24 [pid 5346] close(13 [pid 5345] close(20 [pid 5344] close(22 [pid 5343] close(23 [pid 5342] close(25 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 303 [pid 5347] chdir("./301" [pid 5346] close(14 [pid 5345] close(21 [pid 5344] close(23 [pid 5343] close(24 [pid 5342] close(26 [pid 5347] <... chdir resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] close(15 [pid 5345] close(22 [pid 5344] close(24 [pid 5343] close(25 [pid 5342] close(27 [pid 5347] <... prctl resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] setpgid(0, 0 [pid 5346] close(16 [pid 5345] close(23 [pid 5344] close(25 [pid 5343] close(26 [pid 5347] <... setpgid resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] close(28 [pid 5347] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5346] close(17 [pid 5345] close(24 [pid 5343] close(27 [pid 5344] close(26 [pid 5347] <... symlink resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5346] close(18 [pid 5345] close(25 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] close(28 [pid 5342] close(29 [pid 5347] <... symlink resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] close(27 [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5346] close(19 [pid 5345] close(26 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] close(29 [pid 5342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] <... symlink resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] close(28 [pid 5343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5346] close(20 [pid 5345] close(27 [pid 5343] exit_group(0 [pid 5342] exit_group(0 [pid 5347] <... openat resumed>) = 3 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5343] <... exit_group resumed>) = ? [pid 5342] <... exit_group resumed>) = ? [pid 5347] write(3, "1000", 4 [pid 5346] close(21 [pid 5345] close(28 [pid 5344] close(29 [pid 5343] +++ exited with 0 +++ [pid 5347] <... write resumed>) = 4 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] close(3 [pid 5346] close(22 [pid 5345] close(29 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 5347] <... close resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] read(200, [pid 5346] close(23 [pid 5345] exit_group(0 [pid 5347] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5345] <... exit_group resumed>) = ? [pid 5347] symlink("/dev/binderfs", "./binderfs" [pid 5346] close(24 [pid 5345] +++ exited with 0 +++ [pid 5344] exit_group(0 [pid 5342] +++ exited with 0 +++ [pid 5347] <... symlink resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] <... exit_group resumed>) = ? [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5347] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5346] close(25 [pid 5347] <... 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 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5346] close(26 [pid 3500] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] <... mmap resumed>) = 0x20002000 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5346] close(27 [pid 3504] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3500] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5347] <... mmap resumed>) = 0x20000000 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] +++ exited with 0 +++ [pid 3500] <... openat resumed>) = 3 [pid 5347] close(3 [pid 5346] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3500] fstat(3, [pid 5347] <... close resumed>) = 0 [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, 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 5347] close(4 [pid 5346] close(29 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3500] getdents64(3, [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5347] close(5 [pid 5346] exit_group(0 [pid 3504] fstat(3, [pid 3500] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5346] <... exit_group resumed>) = ? [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] close(6 [pid 5346] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] lstat("./292/binderfs", [pid 5347] <... 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 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5347] close(7 [pid 3503] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] unlink("./292/binderfs" [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] <... unlink resumed>) = 0 [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5347] close(8 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... openat resumed>) = 3 [pid 3500] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] close(9 [pid 3504] lstat("./306/binderfs", [pid 3503] fstat(3, [pid 3500] lstat("./292/cgroup.net", [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] fstat(3, [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] close(10 [pid 3504] unlink("./306/binderfs" [pid 3503] getdents64(3, [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] unlink("./292/cgroup.net" [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 3499] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5347] close(11 [pid 3504] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] fstat(3, [pid 5347] close(12 [pid 3504] lstat("./306/cgroup.net", [pid 3503] lstat("./304/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./294/binderfs", [pid 3500] lstat("./292/cgroup.cpu", [pid 3499] getdents64(3, [pid 5347] close(13 [pid 3504] unlink("./306/cgroup.net" [pid 3503] unlink("./304/binderfs" [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] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./294/binderfs" [pid 3499] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] close(14 [pid 3504] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./292/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./286/binderfs", [pid 5347] close(15 [pid 3504] lstat("./306/cgroup.cpu", [pid 3503] lstat("./304/cgroup.net", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] lstat("./294/cgroup.net", [pid 3499] unlink("./286/binderfs" [pid 5347] close(16 [pid 3504] unlink("./306/cgroup.cpu" [pid 3503] unlink("./304/cgroup.net" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./294/cgroup.net" [pid 3499] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] close(17 [pid 3504] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./286/cgroup.net", [pid 5347] close(18 [pid 3504] lstat("./306/cgroup", [pid 3503] lstat("./304/cgroup.cpu", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./292/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... 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 3501] lstat("./294/cgroup.cpu", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./286/cgroup.net" [pid 5347] close(19 [pid 3504] unlink("./306/cgroup" [pid 3503] unlink("./304/cgroup.cpu" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./292/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./294/cgroup.cpu" [pid 3499] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] close(20 [pid 3504] getdents64(3, [pid 3503] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3499] lstat("./286/cgroup.cpu", [pid 5347] close(21 [pid 3504] close(3 [pid 3503] lstat("./304/cgroup", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] lstat("./294/cgroup", [pid 3499] unlink("./286/cgroup.cpu" [pid 5347] close(22 [pid 3504] rmdir("./306" [pid 3503] unlink("./304/cgroup" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] unlink("./294/cgroup" [pid 3500] <... close resumed>) = 0 [pid 3499] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5347] close(23 [pid 3504] mkdir("./307", 0777 [pid 3503] getdents64(3, [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] getdents64(3, [pid 3500] rmdir("./292" [pid 3499] lstat("./286/cgroup", [pid 5347] close(24 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] close(3 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5348 attached [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... close resumed>) = 0 [pid 3501] close(3 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] unlink("./286/cgroup" [pid 5348] set_robust_list(0x5555573195e0, 24 [pid 5347] close(25 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 309 [pid 3503] rmdir("./304" [pid 3501] <... close resumed>) = 0 [pid 3500] mkdir("./293", 0777 [pid 3499] <... unlink resumed>) = 0 [pid 5348] <... set_robust_list resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... rmdir resumed>) = 0 [pid 3501] rmdir("./294" [pid 3499] getdents64(3, [pid 5348] chdir("./307" [pid 5347] close(26 [pid 3503] mkdir("./305", 0777 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5348] <... chdir resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... mkdir resumed>) = 0 [pid 3501] mkdir("./295", 0777 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] close(3 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5347] close(27 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... mkdir resumed>) = 0 [pid 3499] <... close resumed>) = 0 ./strace-static-x86_64: Process 5350 attached ./strace-static-x86_64: Process 5349 attached [pid 5348] <... prctl resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] rmdir("./286"./strace-static-x86_64: Process 5351 attached [pid 5350] set_robust_list(0x5555573195e0, 24 [pid 5349] set_robust_list(0x5555573195e0, 24 [pid 5348] setpgid(0, 0 [pid 5347] close(28 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 307 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 295 [pid 3499] <... rmdir resumed>) = 0 [pid 5351] set_robust_list(0x5555573195e0, 24 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5349] <... set_robust_list resumed>) = 0 [pid 5348] <... setpgid resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 297 [pid 3499] mkdir("./287", 0777 [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] chdir("./305" [pid 5349] chdir("./293" [pid 5348] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5351] chdir("./295" [pid 5350] <... chdir resumed>) = 0 [pid 5349] <... chdir resumed>) = 0 [pid 5348] <... symlink resumed>) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5352 attached [pid 5351] <... chdir resumed>) = 0 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5348] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5347] close(29 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] <... prctl resumed>) = 0 [pid 5349] <... prctl resumed>) = 0 [pid 5348] <... symlink resumed>) = 0 [pid 5347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 289 [pid 5352] set_robust_list(0x5555573195e0, 24 [pid 5351] <... prctl resumed>) = 0 [pid 5350] setpgid(0, 0 [pid 5349] setpgid(0, 0 [pid 5348] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5347] exit_group(0 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] setpgid(0, 0 [pid 5350] <... setpgid resumed>) = 0 [pid 5349] <... setpgid resumed>) = 0 [pid 5348] <... symlink resumed>) = 0 [pid 5347] <... exit_group resumed>) = ? [pid 5352] chdir("./287" [pid 5351] <... setpgid resumed>) = 0 [pid 5350] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5349] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5347] +++ exited with 0 +++ [pid 5352] <... chdir resumed>) = 0 [pid 5351] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5350] <... symlink resumed>) = 0 [pid 5349] <... symlink resumed>) = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5351] <... symlink resumed>) = 0 [pid 5350] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5349] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5348] <... openat resumed>) = 3 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5352] <... prctl resumed>) = 0 [pid 5351] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5350] <... symlink resumed>) = 0 [pid 5349] <... symlink resumed>) = 0 [pid 5348] write(3, "1000", 4 [pid 5352] setpgid(0, 0 [pid 5351] <... symlink resumed>) = 0 [pid 5350] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5349] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5348] <... write resumed>) = 4 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5352] <... setpgid resumed>) = 0 [pid 5351] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5350] <... symlink resumed>) = 0 [pid 5348] close(3 [pid 3502] <... restart_syscall resumed>) = 0 [pid 5352] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5349] <... symlink resumed>) = 0 [pid 5348] <... close resumed>) = 0 [pid 5352] <... symlink resumed>) = 0 [pid 5351] <... symlink resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5348] read(200, [pid 5352] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] <... openat resumed>) = 3 [pid 5348] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5349] <... openat resumed>) = 3 [pid 5352] <... symlink resumed>) = 0 [pid 5351] <... openat resumed>) = 3 [pid 5350] write(3, "1000", 4 [pid 5348] symlink("/dev/binderfs", "./binderfs" [pid 5349] write(3, "1000", 4 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5352] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5351] write(3, "1000", 4 [pid 5350] <... write resumed>) = 4 [pid 5349] <... write resumed>) = 4 [pid 5348] <... symlink resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5352] <... symlink resumed>) = 0 [pid 5351] <... write resumed>) = 4 [pid 5350] close(3 [pid 5349] close(3 [pid 5348] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] <... openat resumed>) = 3 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] close(3 [pid 5350] <... close resumed>) = 0 [pid 5349] <... close resumed>) = 0 [pid 5348] <... 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] fstat(3, [pid 5352] <... openat resumed>) = 3 [pid 5351] <... close resumed>) = 0 [pid 5350] read(200, [pid 5349] read(200, [pid 5348] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5352] write(3, "1000", 4 [pid 5348] <... mmap resumed>) = 0x20002000 [pid 3502] getdents64(3, [pid 5352] <... write resumed>) = 4 [pid 5351] read(200, [pid 5348] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5352] close(3 [pid 5351] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5350] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... mmap resumed>) = 0x20000000 [pid 3502] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5352] <... close resumed>) = 0 [pid 5351] symlink("/dev/binderfs", "./binderfs" [pid 5350] symlink("/dev/binderfs", "./binderfs" [pid 5349] symlink("/dev/binderfs", "./binderfs" [pid 5348] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5352] read(200, [pid 5351] <... symlink resumed>) = 0 [pid 5348] <... close resumed>) = 0 [pid 3502] lstat("./301/binderfs", [pid 5352] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5350] <... symlink resumed>) = 0 [pid 5349] <... symlink resumed>) = 0 [pid 5348] close(4 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5352] symlink("/dev/binderfs", "./binderfs" [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./301/binderfs" [pid 5352] <... symlink resumed>) = 0 [pid 5351] <... 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 5350] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5349] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5348] close(5 [pid 3502] <... unlink resumed>) = 0 [pid 5352] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5351] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5350] <... 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 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5352] <... 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 5351] <... mmap resumed>) = 0x20002000 [pid 5349] <... 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 5348] close(6 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5352] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./301/cgroup.net", [pid 5352] <... mmap resumed>) = 0x20002000 [pid 5348] close(7 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5352] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./301/cgroup.net" [pid 5352] <... mmap resumed>) = 0x20000000 [pid 5348] close(8 [pid 3502] <... unlink resumed>) = 0 [pid 5352] close(3 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5352] <... close resumed>) = 0 [pid 5351] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5350] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5349] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5348] close(9 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5352] close(4 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./301/cgroup.cpu", [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... mmap resumed>) = 0x20000000 [pid 5349] <... mmap resumed>) = 0x20002000 [pid 5348] close(10 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5352] close(5 [pid 5351] close(3 [pid 5350] <... mmap resumed>) = 0x20002000 [pid 5349] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./301/cgroup.cpu" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = 0 [pid 5350] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5349] <... mmap resumed>) = 0x20000000 [pid 5348] close(11 [pid 3502] <... unlink resumed>) = 0 [pid 5352] close(6 [pid 5351] close(4 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... mmap resumed>) = 0x20000000 [pid 5349] close(3 [pid 5348] close(12 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5352] close(7 [pid 5351] close(5 [pid 5350] close(3 [pid 5349] <... close resumed>) = 0 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] lstat("./301/cgroup", [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = 0 [pid 5349] close(4 [pid 5348] close(13 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5352] close(8 [pid 5351] close(6 [pid 5350] close(4 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] unlink("./301/cgroup" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(5 [pid 5348] close(14 [pid 3502] <... unlink resumed>) = 0 [pid 5352] close(9 [pid 5351] close(7 [pid 5350] close(5 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] getdents64(3, [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(6 [pid 5348] close(15 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5352] close(10 [pid 5351] close(8 [pid 5350] close(6 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] close(3 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] close(16 [pid 5349] close(7 [pid 3502] <... close resumed>) = 0 [pid 5352] close(11 [pid 5351] close(9 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] rmdir("./301" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(7 [pid 5349] close(8 [pid 5352] close(12 [pid 5351] close(10 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] close(17 [pid 3502] <... rmdir resumed>) = 0 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(8 [pid 5349] close(9 [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] mkdir("./302", 0777 [pid 5352] close(13 [pid 5351] close(11 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] close(18 [pid 3502] <... mkdir resumed>) = 0 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... 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 5353 attached [pid 5352] close(14 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(9 [pid 5349] close(10 [pid 5348] close(19 [pid 5353] set_robust_list(0x5555573195e0, 24 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(12 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 304 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5352] close(15 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(10 [pid 5349] close(11 [pid 5348] close(20 [pid 5353] chdir("./302" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(13 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... chdir resumed>) = 0 [pid 5352] close(16 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(11 [pid 5349] close(12 [pid 5348] close(21 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(14 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... prctl resumed>) = 0 [pid 5352] close(17 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(12 [pid 5349] close(13 [pid 5348] close(22 [pid 5353] setpgid(0, 0 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(15 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... setpgid resumed>) = 0 [pid 5352] close(18 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(13 [pid 5349] close(14 [pid 5348] close(23 [pid 5353] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(16 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... symlink resumed>) = 0 [pid 5352] close(19 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(14 [pid 5349] close(15 [pid 5348] close(24 [pid 5353] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(17 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... symlink resumed>) = 0 [pid 5352] close(20 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(15 [pid 5349] close(16 [pid 5348] close(25 [pid 5353] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(18 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... symlink resumed>) = 0 [pid 5352] close(21 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(16 [pid 5349] close(17 [pid 5348] close(26 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(19 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... openat resumed>) = 3 [pid 5352] close(22 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(17 [pid 5348] close(27 [pid 5353] write(3, "1000", 4 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... write resumed>) = 4 [pid 5352] close(23 [pid 5350] close(18 [pid 5348] close(28 [pid 5353] close(3 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... close resumed>) = 0 [pid 5352] close(24 [pid 5350] close(19 [pid 5348] close(29 [pid 5353] read(200, [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(18 [pid 5353] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5352] close(25 [pid 5351] close(20 [pid 5350] close(20 [pid 5348] exit_group(0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] symlink("/dev/binderfs", "./binderfs" [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5348] <... exit_group resumed>) = ? [pid 5353] <... symlink resumed>) = 0 [pid 5352] close(26 [pid 5351] close(21 [pid 5350] close(21 [pid 5349] close(19 [pid 5348] +++ exited with 0 +++ [pid 5353] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5353] <... 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 5352] close(27 [pid 5351] close(22 [pid 5350] close(22 [pid 5349] close(20 [pid 5353] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... mmap resumed>) = 0x20002000 [pid 5352] close(28 [pid 5351] close(23 [pid 5350] close(23 [pid 5349] close(21 [pid 5353] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(24 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(22 [pid 5353] <... mmap resumed>) = 0x20000000 [pid 5352] close(29 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(24 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] close(3 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(25 [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(23 [pid 5353] <... close resumed>) = 0 [pid 5352] exit_group(0 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] close(25 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] close(4 [pid 5352] <... exit_group resumed>) = ? [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5352] +++ exited with 0 +++ [pid 5351] close(26 [pid 5350] close(26 [pid 5349] close(24 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] close(5 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(27 [pid 5350] close(27 [pid 5349] close(25 [pid 3504] <... openat resumed>) = 3 [pid 5353] close(6 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(28 [pid 5350] close(28 [pid 5349] close(26 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5353] close(7 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] close(29 [pid 5350] close(29 [pid 5349] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5353] close(8 [pid 5351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] exit_group(0 [pid 5350] exit_group(0 [pid 5349] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] close(9 [pid 5351] <... exit_group resumed>) = ? [pid 5350] <... exit_group resumed>) = ? [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./307/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] +++ exited with 0 +++ [pid 5349] close(29 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5353] close(10 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./307/binderfs" [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 3499] <... openat resumed>) = 3 [pid 5349] exit_group(0 [pid 3504] <... unlink resumed>) = 0 [pid 3499] fstat(3, [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] <... exit_group resumed>) = ? [pid 3504] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5353] close(11 [pid 5350] +++ exited with 0 +++ [pid 5349] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./307/cgroup.net", [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5353] close(12 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] close(13 [pid 3504] unlink("./307/cgroup.net" [pid 3501] <... openat resumed>) = 3 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] fstat(3, [pid 3499] lstat("./287/binderfs", [pid 5353] close(14 [pid 3504] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... 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 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] getdents64(3, [pid 3499] unlink("./287/binderfs" [pid 5353] close(15 [pid 3504] lstat("./307/cgroup.cpu", [pid 3503] <... openat resumed>) = 3 [pid 5353] <... 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 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... unlink resumed>) = 0 [pid 5353] close(16 [pid 3504] unlink("./307/cgroup.cpu" [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 5353] close(17 [pid 3504] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] close(18 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] lstat("./295/binderfs", [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./307/cgroup", [pid 3503] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 3499] lstat("./287/cgroup.net", [pid 5353] close(19 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] close(20 [pid 3504] unlink("./307/cgroup" [pid 3500] fstat(3, [pid 3501] unlink("./295/binderfs" [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] lstat("./305/binderfs", [pid 5353] close(21 [pid 3504] <... unlink resumed>) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] unlink("./287/cgroup.net" [pid 5353] close(22 [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] unlink("./305/binderfs" [pid 3499] <... unlink resumed>) = 0 [pid 5353] close(23 [pid 3504] close(3 [pid 3503] <... unlink resumed>) = 0 [pid 3501] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... close resumed>) = 0 [pid 3503] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] close(24) = -1 EBADF (Bad file descriptor) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5353] close(25) = -1 EBADF (Bad file descriptor) [pid 5353] close(26) = -1 EBADF (Bad file descriptor) [pid 5353] close(27) = -1 EBADF (Bad file descriptor) [pid 5353] close(28) = -1 EBADF (Bad file descriptor) [pid 5353] close(29) = -1 EBADF (Bad file descriptor) [pid 5353] exit_group(0) = ? [pid 3504] rmdir("./307" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./295/cgroup.net", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] lstat("./305/cgroup.net", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./293/binderfs", [pid 3499] lstat("./287/cgroup.cpu", [pid 5353] +++ exited with 0 +++ [pid 3504] mkdir("./308", 0777 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./295/cgroup.net" [pid 3504] <... mkdir resumed>) = 0 [pid 3503] unlink("./305/cgroup.net" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... restart_syscall resumed>) = 0 [pid 3499] unlink("./287/cgroup.cpu" [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... unlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 3502] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3502] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5354 attached [pid 3503] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3501] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./293/binderfs" [pid 3499] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5354] set_robust_list(0x5555573195e0, 24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 310 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5354] <... set_robust_list resumed>) = 0 [pid 3503] lstat("./305/cgroup.cpu", [pid 3502] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./295/cgroup.cpu", [pid 3500] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./287/cgroup", [pid 5354] chdir("./308" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5354] <... chdir resumed>) = 0 [pid 3503] unlink("./305/cgroup.cpu" [pid 3502] lstat("./302/binderfs", [pid 3501] unlink("./295/cgroup.cpu" [pid 3500] lstat("./293/cgroup.net", [pid 3499] unlink("./287/cgroup" [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5354] <... prctl resumed>) = 0 [pid 3503] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./302/binderfs" [pid 3501] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./293/cgroup.net" [pid 3499] getdents64(3, [pid 5354] setpgid(0, 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5354] <... setpgid resumed>) = 0 [pid 3503] lstat("./305/cgroup", [pid 3502] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./295/cgroup", [pid 3500] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] close(3 [pid 5354] 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... close resumed>) = 0 [pid 5354] <... symlink resumed>) = 0 [pid 3503] unlink("./305/cgroup" [pid 3502] lstat("./302/cgroup.net", [pid 3501] unlink("./295/cgroup" [pid 3500] lstat("./293/cgroup.cpu", [pid 3499] rmdir("./287" [pid 5354] 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] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5354] <... symlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] unlink("./302/cgroup.net" [pid 3501] getdents64(3, [pid 5354] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] unlink("./293/cgroup.cpu" [pid 3499] mkdir("./288", 0777 [pid 5354] <... symlink resumed>) = 0 [pid 3503] close(3 [pid 3502] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3503] <... close resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 3500] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5354] <... openat resumed>) = 3 [pid 3503] rmdir("./305" [pid 3502] lstat("./302/cgroup.cpu", [pid 3501] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] write(3, "1000", 4 [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] rmdir("./295" [pid 3500] lstat("./293/cgroup", ./strace-static-x86_64: Process 5355 attached [pid 5354] <... write resumed>) = 4 [pid 3503] mkdir("./306", 0777 [pid 3502] unlink("./302/cgroup.cpu" [pid 5355] set_robust_list(0x5555573195e0, 24 [pid 5354] close(3 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] <... close resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 290 ./strace-static-x86_64: Process 5356 attached [pid 5355] chdir("./288" [pid 5354] read(200, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] mkdir("./296", 0777 [pid 3500] unlink("./293/cgroup" [pid 5356] set_robust_list(0x5555573195e0, 24 [pid 5355] <... chdir resumed>) = 0 [pid 5354] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 308 [pid 3502] lstat("./302/cgroup", [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] symlink("/dev/binderfs", "./binderfs" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] getdents64(3, [pid 5356] chdir("./306" [pid 5355] <... prctl resumed>) = 0 [pid 5354] <... symlink resumed>) = 0 [pid 3502] unlink("./302/cgroup" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5357 attached [pid 5356] <... chdir resumed>) = 0 [pid 5355] setpgid(0, 0 [pid 5354] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3502] <... unlink resumed>) = 0 [pid 5357] set_robust_list(0x5555573195e0, 24 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5355] <... setpgid resumed>) = 0 [pid 5354] <... 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 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 298 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] <... prctl resumed>) = 0 [pid 5355] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5354] 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 5356] setpgid(0, 0 [pid 5355] <... symlink resumed>) = 0 [pid 5354] <... mmap resumed>) = 0x20002000 [pid 3502] close(3 [pid 3500] <... close resumed>) = 0 [pid 5357] chdir("./296" [pid 5356] <... setpgid resumed>) = 0 [pid 5355] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5354] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3502] <... close resumed>) = 0 [pid 5357] <... chdir resumed>) = 0 [pid 5356] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5355] <... symlink resumed>) = 0 [pid 5354] <... mmap resumed>) = 0x20000000 [pid 3502] rmdir("./302" [pid 3500] rmdir("./293" [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5356] <... symlink resumed>) = 0 [pid 5355] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5354] close(3 [pid 3502] <... rmdir resumed>) = 0 [pid 5357] <... prctl resumed>) = 0 [pid 5356] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5355] <... symlink resumed>) = 0 [pid 5354] <... close resumed>) = 0 [pid 3502] mkdir("./303", 0777 [pid 3500] <... rmdir resumed>) = 0 [pid 5357] setpgid(0, 0 [pid 5356] <... symlink resumed>) = 0 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5354] close(4 [pid 3502] <... mkdir resumed>) = 0 [pid 5357] <... setpgid resumed>) = 0 [pid 5356] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5355] <... openat resumed>) = 3 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] mkdir("./294", 0777 [pid 5357] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5356] <... symlink resumed>) = 0 [pid 5355] write(3, "1000", 4 [pid 5354] close(5 [pid 3500] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5358 attached [pid 5357] <... symlink resumed>) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5355] <... write resumed>) = 4 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5358] set_robust_list(0x5555573195e0, 24 [pid 5357] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5356] <... openat resumed>) = 3 [pid 5355] close(3 [pid 5354] close(6 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 305 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5356] write(3, "1000", 4 [pid 5355] <... close resumed>) = 0 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] chdir("./303" [pid 5356] <... write resumed>) = 4 [pid 5355] read(200, [pid 5354] close(7 [pid 5358] <... chdir resumed>) = 0 [pid 5356] close(3 [pid 5355] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5356] <... close resumed>) = 0 [pid 5355] symlink("/dev/binderfs", "./binderfs" [pid 5354] close(8 [pid 5358] <... prctl resumed>) = 0 [pid 5357] <... symlink resumed>) = 0 [pid 5356] read(200, [pid 5355] <... symlink resumed>) = 0 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] setpgid(0, 0 [pid 5356] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5354] close(9 [pid 5358] <... setpgid resumed>) = 0 [pid 5356] symlink("/dev/binderfs", "./binderfs" [pid 5355] <... 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 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5356] <... symlink resumed>) = 0 [pid 5355] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5354] close(10 [pid 5358] <... symlink resumed>) = 0 [pid 5356] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5355] <... mmap resumed>) = 0x20002000 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5359 attached [pid 5358] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5357] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5356] <... 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 5355] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5354] close(11 [pid 5359] set_robust_list(0x5555573195e0, 24 [pid 5358] <... symlink resumed>) = 0 [pid 5357] <... symlink resumed>) = 0 [pid 5356] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5355] <... mmap resumed>) = 0x20000000 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5356] <... mmap resumed>) = 0x20002000 [pid 5355] close(3 [pid 5354] close(12 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 296 [pid 5359] chdir("./294" [pid 5358] <... symlink resumed>) = 0 [pid 5357] <... openat resumed>) = 3 [pid 5356] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5355] <... close resumed>) = 0 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... chdir resumed>) = 0 [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5357] write(3, "1000", 4 [pid 5356] <... mmap resumed>) = 0x20000000 [pid 5355] close(4 [pid 5354] close(13 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5358] <... openat resumed>) = 3 [pid 5357] <... write resumed>) = 4 [pid 5356] close(3 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... prctl resumed>) = 0 [pid 5358] write(3, "1000", 4 [pid 5357] close(3 [pid 5356] <... close resumed>) = 0 [pid 5355] close(5 [pid 5354] close(14 [pid 5359] setpgid(0, 0 [pid 5358] <... write resumed>) = 4 [pid 5357] <... close resumed>) = 0 [pid 5356] close(4 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... setpgid resumed>) = 0 [pid 5358] close(3 [pid 5357] read(200, [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(6 [pid 5354] close(15 [pid 5359] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5358] <... close resumed>) = 0 [pid 5357] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] close(5 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... symlink resumed>) = 0 [pid 5358] read(200, [pid 5357] symlink("/dev/binderfs", "./binderfs" [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(7 [pid 5354] close(16 [pid 5359] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5358] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] <... symlink resumed>) = 0 [pid 5356] close(6 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... symlink resumed>) = 0 [pid 5358] symlink("/dev/binderfs", "./binderfs" [pid 5357] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(8 [pid 5354] close(17 [pid 5359] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5358] <... symlink resumed>) = 0 [pid 5357] <... 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 5356] close(7 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... symlink resumed>) = 0 [pid 5358] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5357] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(9 [pid 5354] close(18 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5358] <... 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 5357] <... mmap resumed>) = 0x20002000 [pid 5356] close(8 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... openat resumed>) = 3 [pid 5358] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(10 [pid 5354] close(19 [pid 5359] write(3, "1000", 4 [pid 5358] <... mmap resumed>) = 0x20002000 [pid 5357] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5356] close(9 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... write resumed>) = 4 [pid 5358] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(11 [pid 5354] close(20 [pid 5359] close(3 [pid 5358] <... mmap resumed>) = 0x20000000 [pid 5356] close(10 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... close resumed>) = 0 [pid 5358] close(3 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(12 [pid 5354] close(21 [pid 5359] read(200, [pid 5358] <... close resumed>) = 0 [pid 5357] <... mmap resumed>) = 0x20000000 [pid 5356] close(11 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] close(4 [pid 5357] close(3 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(13 [pid 5354] close(22 [pid 5359] symlink("/dev/binderfs", "./binderfs" [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... close resumed>) = 0 [pid 5356] close(12 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... symlink resumed>) = 0 [pid 5358] close(5 [pid 5357] close(4 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(14 [pid 5359] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] close(13 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(23 [pid 5359] <... 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 5358] close(6 [pid 5357] close(5 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(15 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] close(14 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(24 [pid 5359] <... mmap resumed>) = 0x20002000 [pid 5358] close(7 [pid 5357] close(6 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(16 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] close(15 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(25 [pid 5359] <... mmap resumed>) = 0x20000000 [pid 5357] close(7 [pid 5355] close(17 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] close(8 [pid 5359] close(3 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(26 [pid 5359] <... close resumed>) = 0 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(8 [pid 5356] close(16 [pid 5355] close(18 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(4 [pid 5358] close(9 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(27 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(9 [pid 5356] close(17 [pid 5355] close(19 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(5 [pid 5358] close(10 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(28 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(10 [pid 5356] close(18 [pid 5355] close(20 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(6 [pid 5358] close(11 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] close(29 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(11 [pid 5356] close(19 [pid 5355] close(21 [pid 5354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(7 [pid 5358] close(12 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(12 [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] exit_group(0 [pid 5356] close(20 [pid 5359] close(8 [pid 5358] close(13 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(13 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] close(22 [pid 5354] <... exit_group resumed>) = ? [pid 5359] close(9 [pid 5358] close(14 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] close(21 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(14 [pid 5358] close(15 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(15 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] +++ exited with 0 +++ [pid 5359] close(10 [pid 5358] close(16 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] close(22 [pid 5355] close(23 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(16 [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(11 [pid 5358] close(17 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] close(23 [pid 5355] close(24 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(17 [pid 5359] close(12 [pid 5358] close(18 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(18 [pid 5356] close(24 [pid 5355] close(25 [pid 5359] close(13 [pid 5358] close(19 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(19 [pid 5356] close(25 [pid 5355] close(26 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] close(14 [pid 5358] close(20 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(20 [pid 5356] close(26 [pid 5355] close(27 [pid 3504] <... openat resumed>) = 3 [pid 5359] close(15 [pid 5358] close(21 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(21 [pid 5356] close(27 [pid 5355] close(28 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5359] close(16 [pid 5358] close(22 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(22 [pid 5356] close(28 [pid 5355] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5359] close(17 [pid 5358] close(23 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(23 [pid 5356] close(29 [pid 5355] exit_group(0 [pid 5359] close(18 [pid 5358] close(24 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(24 [pid 5356] exit_group(0 [pid 3504] lstat("./308/binderfs", [pid 5359] close(19 [pid 5358] close(25 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] <... exit_group resumed>) = ? [pid 5355] +++ exited with 0 +++ [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(25 [pid 5356] +++ exited with 0 +++ [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5359] close(20 [pid 5358] close(26 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./308/binderfs" [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5359] close(21 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(26 [pid 3504] <... unlink resumed>) = 0 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5358] close(27 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5359] close(22 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] close(28 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./308/cgroup.net", [pid 5359] close(23 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(28 [pid 3499] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] close(29 [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5359] close(24 [pid 5358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] close(29 [pid 3499] <... openat resumed>) = 3 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./308/cgroup.net" [pid 3503] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5359] close(25 [pid 5357] exit_group(0 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] <... exit_group resumed>) = ? [pid 5359] close(26 [pid 5357] +++ exited with 0 +++ [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(27) = -1 EBADF (Bad file descriptor) [pid 5359] close(28) = -1 EBADF (Bad file descriptor) [pid 5359] close(29) = -1 EBADF (Bad file descriptor) [pid 5359] exit_group(0 [pid 5358] exit_group(0 [pid 3499] fstat(3, [pid 5359] <... exit_group resumed>) = ? [pid 3504] <... unlink resumed>) = 0 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5359] +++ exited with 0 +++ [pid 5358] <... exit_group resumed>) = ? [pid 3504] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5358] +++ exited with 0 +++ [pid 3504] lstat("./308/cgroup.cpu", [pid 3503] <... openat resumed>) = 3 [pid 3501] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] fstat(3, [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3504] unlink("./308/cgroup.cpu" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 3503] getdents64(3, [pid 3502] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... openat resumed>) = 3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] fstat(3, [pid 3500] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] lstat("./288/binderfs", [pid 3504] lstat("./308/cgroup", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 3503] lstat("./306/binderfs", [pid 3502] getdents64(3, [pid 3501] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] fstat(3, [pid 3504] unlink("./308/cgroup" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./303/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] unlink("./303/binderfs") = 0 [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("./288/binderfs" [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./306/binderfs" [pid 3502] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] getdents64(3, [pid 3499] <... unlink resumed>) = 0 [pid 3504] getdents64(3, [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./303/cgroup.net", [pid 3501] lstat("./296/binderfs", [pid 3500] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] close(3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./288/cgroup.net", [pid 3504] <... close resumed>) = 0 [pid 3503] lstat("./306/cgroup.net", [pid 3502] unlink("./303/cgroup.net" [pid 3501] unlink("./296/binderfs" [pid 3500] lstat("./294/binderfs", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3504] rmdir("./308" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] unlink("./288/cgroup.net" [pid 3504] <... rmdir resumed>) = 0 [pid 3503] unlink("./306/cgroup.net" [pid 3501] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./294/binderfs" [pid 3499] <... unlink resumed>) = 0 [pid 3504] mkdir("./309", 0777 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... mkdir resumed>) = 0 [pid 3503] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./296/cgroup.net", [pid 3500] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./288/cgroup.cpu", ./strace-static-x86_64: Process 5360 attached [pid 3503] lstat("./306/cgroup.cpu", [pid 3502] lstat("./303/cgroup.cpu", [pid 3501] unlink("./296/cgroup.net" [pid 3500] lstat("./294/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5360] set_robust_list(0x5555573195e0, 24 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 311 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./288/cgroup.cpu" [pid 5360] <... set_robust_list resumed>) = 0 [pid 3503] unlink("./306/cgroup.cpu" [pid 3502] unlink("./303/cgroup.cpu" [pid 3501] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./294/cgroup.net" [pid 3499] <... unlink resumed>) = 0 [pid 5360] chdir("./309" [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./296/cgroup.cpu", [pid 3500] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./288/cgroup", [pid 3503] lstat("./306/cgroup", [pid 3501] unlink("./296/cgroup.cpu" [pid 3500] lstat("./294/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5360] <... chdir resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./288/cgroup" [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] unlink("./306/cgroup" [pid 3502] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] unlink("./294/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5360] <... prctl resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... unlink resumed>) = 0 [pid 3499] getdents64(3, [pid 5360] setpgid(0, 0 [pid 3503] getdents64(3, [pid 3502] lstat("./303/cgroup", [pid 3501] lstat("./296/cgroup", [pid 3500] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5360] <... setpgid resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] close(3 [pid 5360] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3503] close(3 [pid 3502] unlink("./303/cgroup" [pid 3501] unlink("./296/cgroup" [pid 3500] lstat("./294/cgroup", [pid 3499] <... close resumed>) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] rmdir("./288" [pid 5360] <... symlink resumed>) = 0 [pid 3503] rmdir("./306" [pid 3502] getdents64(3, [pid 3501] getdents64(3, [pid 3500] unlink("./294/cgroup" [pid 3499] <... rmdir resumed>) = 0 [pid 5360] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] mkdir("./289", 0777 [pid 5360] <... symlink resumed>) = 0 [pid 3503] mkdir("./307", 0777 [pid 3502] close(3 [pid 3501] close(3 [pid 3500] getdents64(3, [pid 3499] <... mkdir resumed>) = 0 [pid 5360] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 5360] <... symlink resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] rmdir("./303" [pid 3501] <... close resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5361 attached [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] <... rmdir resumed>) = 0 [pid 3501] rmdir("./296" [pid 3500] close(3./strace-static-x86_64: Process 5362 attached [pid 5360] <... openat resumed>) = 3 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 309 [pid 3502] mkdir("./304", 0777 [pid 5362] set_robust_list(0x5555573195e0, 24 [pid 5361] set_robust_list(0x5555573195e0, 24 [pid 5360] write(3, "1000", 4 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... close resumed>) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 291 [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5360] <... write resumed>) = 4 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] mkdir("./297", 0777 [pid 3500] rmdir("./294"./strace-static-x86_64: Process 5363 attached [pid 5362] chdir("./289" [pid 5361] chdir("./307" [pid 5360] close(3 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 5363] set_robust_list(0x5555573195e0, 24 [pid 5362] <... chdir resumed>) = 0 [pid 5361] <... chdir resumed>) = 0 [pid 5360] <... close resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 306 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] mkdir("./295", 0777 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5360] read(200, [pid 5363] chdir("./304") = 0 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5364 attached ) = 0 [pid 5364] set_robust_list(0x5555573195e0, 24 [pid 5363] setpgid(0, 0 [pid 5362] <... prctl resumed>) = 0 [pid 5361] <... prctl resumed>) = 0 [pid 5360] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... mkdir resumed>) = 0 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5363] <... setpgid resumed>) = 0 [pid 5362] setpgid(0, 0 [pid 5361] setpgid(0, 0 [pid 5360] symlink("/dev/binderfs", "./binderfs" [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 299 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5364] chdir("./297" [pid 5363] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5362] <... setpgid resumed>) = 0 [pid 5361] <... setpgid resumed>) = 0 [pid 5360] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5365 attached [pid 5364] <... chdir resumed>) = 0 [pid 5363] <... symlink resumed>) = 0 [pid 5362] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5361] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5360] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5365] set_robust_list(0x5555573195e0, 24 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5363] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5362] <... symlink resumed>) = 0 [pid 5361] <... symlink resumed>) = 0 [pid 5360] <... 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 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 297 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] <... prctl resumed>) = 0 [pid 5363] <... symlink resumed>) = 0 [pid 5362] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5361] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5360] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5365] chdir("./295" [pid 5364] setpgid(0, 0 [pid 5363] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5362] <... symlink resumed>) = 0 [pid 5361] <... symlink resumed>) = 0 [pid 5360] <... mmap resumed>) = 0x20002000 [pid 5365] <... chdir resumed>) = 0 [pid 5364] <... setpgid resumed>) = 0 [pid 5363] <... symlink resumed>) = 0 [pid 5362] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5361] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5360] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5364] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5362] <... symlink resumed>) = 0 [pid 5361] <... symlink resumed>) = 0 [pid 5360] <... mmap resumed>) = 0x20000000 [pid 5365] <... prctl resumed>) = 0 [pid 5364] <... symlink resumed>) = 0 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5360] close(3 [pid 5363] <... openat resumed>) = 3 [pid 5365] setpgid(0, 0 [pid 5364] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5362] <... openat resumed>) = 3 [pid 5361] <... openat resumed>) = 3 [pid 5360] <... close resumed>) = 0 [pid 5365] <... setpgid resumed>) = 0 [pid 5364] <... symlink resumed>) = 0 [pid 5363] write(3, "1000", 4 [pid 5362] write(3, "1000", 4 [pid 5361] write(3, "1000", 4 [pid 5360] close(4 [pid 5365] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5364] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5363] <... write resumed>) = 4 [pid 5362] <... write resumed>) = 4 [pid 5361] <... write resumed>) = 4 [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... symlink resumed>) = 0 [pid 5364] <... symlink resumed>) = 0 [pid 5363] close(3 [pid 5362] close(3 [pid 5361] close(3 [pid 5360] close(5 [pid 5365] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5363] <... close resumed>) = 0 [pid 5362] <... close resumed>) = 0 [pid 5361] <... close resumed>) = 0 [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... symlink resumed>) = 0 [pid 5364] <... openat resumed>) = 3 [pid 5363] read(200, [pid 5362] read(200, [pid 5361] read(200, [pid 5360] close(6 [pid 5365] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5364] write(3, "1000", 4 [pid 5363] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... symlink resumed>) = 0 [pid 5364] <... write resumed>) = 4 [pid 5363] symlink("/dev/binderfs", "./binderfs" [pid 5362] symlink("/dev/binderfs", "./binderfs" [pid 5361] symlink("/dev/binderfs", "./binderfs" [pid 5360] close(7 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] close(3 [pid 5363] <... symlink resumed>) = 0 [pid 5362] <... symlink resumed>) = 0 [pid 5361] <... symlink resumed>) = 0 [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... openat resumed>) = 3 [pid 5364] <... close resumed>) = 0 [pid 5363] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5362] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5361] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5360] close(8 [pid 5365] write(3, "1000", 4 [pid 5364] read(200, [pid 5363] <... 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 5362] <... 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 5361] <... 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 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... write resumed>) = 4 [pid 5364] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5362] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5361] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5360] close(9 [pid 5365] close(3 [pid 5364] symlink("/dev/binderfs", "./binderfs" [pid 5363] <... mmap resumed>) = 0x20002000 [pid 5362] <... mmap resumed>) = 0x20002000 [pid 5361] <... mmap resumed>) = 0x20002000 [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = 0 [pid 5364] <... symlink resumed>) = 0 [pid 5363] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5362] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5361] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5360] close(10 [pid 5365] read(200, [pid 5364] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5363] <... mmap resumed>) = 0x20000000 [pid 5362] <... mmap resumed>) = 0x20000000 [pid 5361] <... mmap resumed>) = 0x20000000 [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5364] <... 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 5362] close(3 [pid 5361] close(3 [pid 5360] close(11 [pid 5363] close(3 [pid 5365] symlink("/dev/binderfs", "./binderfs" [pid 5364] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5363] <... close resumed>) = 0 [pid 5362] <... close resumed>) = 0 [pid 5361] <... close resumed>) = 0 [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... symlink resumed>) = 0 [pid 5364] <... mmap resumed>) = 0x20002000 [pid 5363] close(4 [pid 5362] close(4 [pid 5361] close(4 [pid 5360] close(12 [pid 5365] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5364] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... 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 5364] <... mmap resumed>) = 0x20000000 [pid 5363] close(5 [pid 5362] close(5 [pid 5361] close(5 [pid 5360] close(13 [pid 5365] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5364] close(3 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... mmap resumed>) = 0x20002000 [pid 5364] <... close resumed>) = 0 [pid 5363] close(6 [pid 5362] close(6 [pid 5361] close(6 [pid 5360] close(14 [pid 5365] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5364] close(4 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... mmap resumed>) = 0x20000000 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(7 [pid 5362] close(7 [pid 5361] close(7 [pid 5360] close(15 [pid 5365] close(3 [pid 5364] close(5 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = 0 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(8 [pid 5362] close(8 [pid 5361] close(8 [pid 5360] close(16 [pid 5365] close(4 [pid 5364] close(6 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(9 [pid 5362] close(9 [pid 5361] close(9 [pid 5360] close(17 [pid 5365] close(5 [pid 5364] close(7 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(10 [pid 5362] close(10 [pid 5361] close(10 [pid 5360] close(18 [pid 5365] close(6 [pid 5364] close(8 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(11 [pid 5362] close(11 [pid 5361] close(11 [pid 5360] close(19 [pid 5365] close(7 [pid 5364] close(9 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(12 [pid 5362] close(12 [pid 5361] close(12 [pid 5360] close(20 [pid 5365] close(8 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(10 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(13 [pid 5361] close(13 [pid 5360] close(21 [pid 5365] close(9 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(13 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(11 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(14 [pid 5361] close(14 [pid 5360] close(22 [pid 5365] close(10 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(14 [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(12 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(15 [pid 5361] close(15 [pid 5360] close(23 [pid 5365] close(11 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(15 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(13 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(16 [pid 5361] close(16 [pid 5360] close(24 [pid 5365] close(12 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(16 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(14 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(17 [pid 5361] close(17 [pid 5360] close(25 [pid 5365] close(13 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(17 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(15 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(18 [pid 5361] close(18 [pid 5360] close(26 [pid 5365] close(14 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(18 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(16 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] close(19 [pid 5361] close(19 [pid 5360] close(27 [pid 5365] close(15 [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(19 [pid 5362] close(20 [pid 5361] close(20 [pid 5360] close(28 [pid 5365] close(16 [pid 5364] close(17 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(20 [pid 5362] close(21 [pid 5361] close(21 [pid 5360] close(29 [pid 5365] close(17 [pid 5364] close(18 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(21 [pid 5362] close(22 [pid 5361] close(22 [pid 5360] exit_group(0 [pid 5365] close(18 [pid 5364] close(19 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... exit_group resumed>) = ? [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(22 [pid 5362] close(23 [pid 5361] close(23 [pid 5365] close(19 [pid 5364] close(20 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] +++ exited with 0 +++ [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(23 [pid 5362] close(24 [pid 5361] close(24 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5365] close(20 [pid 5364] close(21 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(24 [pid 5362] close(25 [pid 5361] close(25 [pid 5365] close(21 [pid 5364] close(22 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(25 [pid 5362] close(26 [pid 5361] close(26 [pid 3504] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5365] close(22 [pid 5364] close(23 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(26 [pid 5362] close(27 [pid 5361] close(27 [pid 3504] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5365] close(23 [pid 5364] close(24 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(27 [pid 5362] close(28 [pid 5361] close(28 [pid 3504] <... openat resumed>) = 3 [pid 5365] close(24 [pid 5364] close(25 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(28 [pid 5362] close(29 [pid 5361] close(29 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5365] close(25 [pid 5364] close(26 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] close(29 [pid 5364] close(27 [pid 5363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] exit_group(0 [pid 5361] exit_group(0 [pid 5365] close(26 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] exit_group(0 [pid 5362] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(28 [pid 5363] <... exit_group resumed>) = ? [pid 5361] <... exit_group resumed>) = ? [pid 5365] close(27 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] +++ exited with 0 +++ [pid 5362] +++ exited with 0 +++ [pid 5361] +++ exited with 0 +++ [pid 3504] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5365] close(28 [pid 5364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] exit_group(0 [pid 3504] lstat("./309/binderfs", [pid 3502] <... restart_syscall resumed>) = 0 [pid 5365] close(29 [pid 5364] <... exit_group resumed>) = ? [pid 3503] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5364] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] restart_syscall(<... resuming interrupted clone ...> [pid 3503] fstat(3, [pid 3502] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3504] unlink("./309/binderfs" [pid 3503] getdents64(3, [pid 3502] fstat(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 3501] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... restart_syscall resumed>) = 0 [pid 5365] exit_group(0 [pid 3504] lstat("./309/cgroup.net", [pid 3503] lstat("./307/binderfs", [pid 3502] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5365] <... exit_group resumed>) = ? [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... openat resumed>) = 3 [pid 3504] unlink("./309/cgroup.net" [pid 3503] unlink("./307/binderfs" [pid 3501] fstat(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] lstat("./304/binderfs", [pid 3501] getdents64(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5365] +++ exited with 0 +++ [pid 3504] lstat("./309/cgroup.cpu", [pid 3503] lstat("./307/cgroup.net", [pid 3502] unlink("./304/binderfs" [pid 3501] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] unlink("./309/cgroup.cpu" [pid 3503] unlink("./307/cgroup.net" [pid 3502] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./297/binderfs", [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./304/cgroup.net", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./297/binderfs" [pid 3500] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./304/cgroup.net" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] fstat(3, [pid 3504] lstat("./309/cgroup", [pid 3503] lstat("./307/cgroup.cpu", [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] <... 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] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] unlink("./309/cgroup" [pid 3503] unlink("./307/cgroup.cpu" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./297/cgroup.net", [pid 3500] <... openat resumed>) = 3 [pid 3499] getdents64(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./304/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] getdents64(3, [pid 3503] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] unlink("./297/cgroup.net" [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlink("./304/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 3504] close(3 [pid 3503] lstat("./307/cgroup", [pid 3501] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... close resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./289/binderfs", [pid 3504] rmdir("./309" [pid 3503] unlink("./307/cgroup" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./297/cgroup.cpu", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] lstat("./304/cgroup", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] lstat("./295/binderfs", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] mkdir("./310", 0777 [pid 3503] getdents64(3, [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] unlink("./297/cgroup.cpu" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] unlink("./289/binderfs" [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] unlink("./304/cgroup" [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./295/binderfs" [pid 3499] <... unlink resumed>) = 0 [pid 3499] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] lstat("./289/cgroup.net", [pid 3503] close(3 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... close resumed>) = 0 [pid 3502] getdents64(3, [pid 3499] unlink("./289/cgroup.net" [pid 3503] rmdir("./307" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5366 attached [pid 3503] <... rmdir resumed>) = 0 [pid 3502] close(3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5366] set_robust_list(0x5555573195e0, 24 [pid 3503] mkdir("./308", 0777 [pid 3502] <... close resumed>) = 0 [pid 3501] lstat("./297/cgroup", [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 312 [pid 5366] <... set_robust_list resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] rmdir("./304" [pid 3499] lstat("./289/cgroup.cpu", [pid 5366] chdir("./310" [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... rmdir resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] lstat("./295/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5367 attached [pid 5366] <... chdir resumed>) = 0 [pid 3502] mkdir("./305", 0777 [pid 3499] unlink("./289/cgroup.cpu" [pid 5367] set_robust_list(0x5555573195e0, 24 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 310 [pid 3502] <... mkdir resumed>) = 0 [pid 3501] unlink("./297/cgroup" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5367] <... set_robust_list resumed>) = 0 [pid 5366] <... prctl resumed>) = 0 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./295/cgroup.net" [pid 3499] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5367] chdir("./308" [pid 5366] setpgid(0, 0 [pid 3501] getdents64(3, [pid 3500] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5368 attached [pid 5367] <... chdir resumed>) = 0 [pid 5366] <... setpgid resumed>) = 0 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] set_robust_list(0x5555573195e0, 24 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5366] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3501] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./289/cgroup", [pid 5368] <... set_robust_list resumed>) = 0 [pid 5367] <... prctl resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 307 [pid 3501] <... close resumed>) = 0 [pid 3500] lstat("./295/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5368] chdir("./305" [pid 5367] setpgid(0, 0 [pid 5366] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3501] rmdir("./297" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5368] <... chdir resumed>) = 0 [pid 5367] <... setpgid resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3500] unlink("./295/cgroup.cpu" [pid 3499] unlink("./289/cgroup" [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5367] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5366] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3501] mkdir("./298", 0777 [pid 3500] <... unlink resumed>) = 0 [pid 5368] <... prctl resumed>) = 0 [pid 5367] <... symlink resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 [pid 5368] setpgid(0, 0 [pid 5367] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3501] <... mkdir resumed>) = 0 [pid 3500] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] getdents64(3, [pid 5368] <... setpgid resumed>) = 0 [pid 5367] <... symlink resumed>) = 0 [pid 5366] <... openat resumed>) = 3 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5368] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5367] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5366] write(3, "1000", 4 [pid 3499] close(3./strace-static-x86_64: Process 5369 attached [pid 5368] <... symlink resumed>) = 0 [pid 5367] <... symlink resumed>) = 0 [pid 5366] <... write resumed>) = 4 [pid 3500] lstat("./295/cgroup", [pid 3499] <... close resumed>) = 0 [pid 5368] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5366] close(3 [pid 3499] rmdir("./289" [pid 5369] set_robust_list(0x5555573195e0, 24 [pid 5368] <... symlink resumed>) = 0 [pid 5367] <... openat resumed>) = 3 [pid 5366] <... close resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 300 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5368] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5367] write(3, "1000", 4 [pid 5366] read(200, [pid 3500] unlink("./295/cgroup" [pid 3499] <... rmdir resumed>) = 0 [pid 5369] chdir("./298" [pid 5368] <... symlink resumed>) = 0 [pid 5367] <... write resumed>) = 4 [pid 5366] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... unlink resumed>) = 0 [pid 3499] mkdir("./290", 0777 [pid 5369] <... chdir resumed>) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5367] close(3 [pid 5366] symlink("/dev/binderfs", "./binderfs" [pid 3500] getdents64(3, [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] <... openat resumed>) = 3 [pid 5367] <... close resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 3499] <... mkdir resumed>) = 0 [pid 5369] <... prctl resumed>) = 0 [pid 5368] write(3, "1000", 4 [pid 5367] read(200, [pid 5366] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5369] setpgid(0, 0 [pid 5368] <... write resumed>) = 4 [pid 5367] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] close(3 [pid 5366] <... 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 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5370 attached [pid 5369] <... setpgid resumed>) = 0 [pid 5368] close(3 [pid 5367] symlink("/dev/binderfs", "./binderfs" [pid 5366] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] <... close resumed>) = 0 [pid 5369] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5368] <... close resumed>) = 0 [pid 5367] <... symlink resumed>) = 0 [pid 5366] <... mmap resumed>) = 0x20002000 [pid 3500] rmdir("./295" [pid 5370] set_robust_list(0x5555573195e0, 24 [pid 5369] <... symlink resumed>) = 0 [pid 5368] read(200, [pid 5367] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5366] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 292 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5369] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5368] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5367] <... 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 5366] <... mmap resumed>) = 0x20000000 [pid 3500] mkdir("./296", 0777 [pid 5370] chdir("./290" [pid 5369] <... symlink resumed>) = 0 [pid 5368] symlink("/dev/binderfs", "./binderfs" [pid 5367] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5366] close(3 [pid 3500] <... mkdir resumed>) = 0 [pid 5370] <... chdir resumed>) = 0 [pid 5369] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5368] <... symlink resumed>) = 0 [pid 5367] <... mmap resumed>) = 0x20002000 [pid 5366] <... close resumed>) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] <... symlink resumed>) = 0 [pid 5368] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5367] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5366] close(4./strace-static-x86_64: Process 5371 attached [pid 5370] <... prctl resumed>) = 0 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5368] <... 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 5367] <... mmap resumed>) = 0x20000000 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] setpgid(0, 0 [pid 5369] <... openat resumed>) = 3 [pid 5368] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5367] close(3 [pid 5366] close(5 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 298 [pid 5371] set_robust_list(0x5555573195e0, 24 [pid 5370] <... setpgid resumed>) = 0 [pid 5369] write(3, "1000", 4 [pid 5368] <... mmap resumed>) = 0x20002000 [pid 5367] <... close resumed>) = 0 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... set_robust_list resumed>) = 0 [pid 5370] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5369] <... write resumed>) = 4 [pid 5368] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5367] close(4 [pid 5366] close(6 [pid 5371] chdir("./296" [pid 5370] <... symlink resumed>) = 0 [pid 5369] close(3 [pid 5368] <... mmap resumed>) = 0x20000000 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... chdir resumed>) = 0 [pid 5370] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5369] <... close resumed>) = 0 [pid 5368] close(3 [pid 5367] close(5 [pid 5366] close(7 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5370] <... symlink resumed>) = 0 [pid 5369] read(200, [pid 5368] <... close resumed>) = 0 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5368] close(4 [pid 5366] close(8 [pid 5371] <... prctl resumed>) = 0 [pid 5370] <... symlink resumed>) = 0 [pid 5369] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(6 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] setpgid(0, 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5369] symlink("/dev/binderfs", "./binderfs" [pid 5368] close(5 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(9 [pid 5371] <... setpgid resumed>) = 0 [pid 5370] <... openat resumed>) = 3 [pid 5369] <... symlink resumed>) = 0 [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(7 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5370] write(3, "1000", 4 [pid 5369] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5368] close(6 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(10 [pid 5371] <... symlink resumed>) = 0 [pid 5370] <... write resumed>) = 4 [pid 5369] <... 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 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(8 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5370] close(3 [pid 5369] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5368] close(7 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(11 [pid 5371] <... symlink resumed>) = 0 [pid 5370] <... close resumed>) = 0 [pid 5369] <... mmap resumed>) = 0x20002000 [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(9 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5370] read(200, [pid 5369] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5368] close(8 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(12 [pid 5371] <... symlink resumed>) = 0 [pid 5370] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... mmap resumed>) = 0x20000000 [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5370] symlink("/dev/binderfs", "./binderfs" [pid 5367] close(10 [pid 5371] <... openat resumed>) = 3 [pid 5370] <... symlink resumed>) = 0 [pid 5369] close(3 [pid 5368] close(9 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(13 [pid 5371] write(3, "1000", 4 [pid 5370] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5369] <... close resumed>) = 0 [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(11 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... write resumed>) = 4 [pid 5370] <... 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 5369] close(4 [pid 5368] close(10 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(14 [pid 5371] close(3 [pid 5370] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(12 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = 0 [pid 5370] <... mmap resumed>) = 0x20002000 [pid 5369] close(5 [pid 5368] close(11 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(15 [pid 5371] read(200, [pid 5370] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(13 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] <... mmap resumed>) = 0x20000000 [pid 5369] close(6 [pid 5368] close(12 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(16 [pid 5371] symlink("/dev/binderfs", "./binderfs" [pid 5370] close(3 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(14 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... symlink resumed>) = 0 [pid 5370] <... close resumed>) = 0 [pid 5369] close(7 [pid 5368] close(13 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(17 [pid 5371] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5370] close(4 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(15 [pid 5371] <... 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 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(8 [pid 5368] close(14 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(18 [pid 5371] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5370] close(5 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(16 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... mmap resumed>) = 0x20002000 [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(9 [pid 5368] close(15 [pid 5366] close(19 [pid 5371] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5370] close(6 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... mmap resumed>) = 0x20000000 [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(10 [pid 5368] close(16 [pid 5367] close(17 [pid 5366] close(20 [pid 5371] close(3 [pid 5370] close(7 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = 0 [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(11 [pid 5368] close(17 [pid 5367] close(18 [pid 5366] close(21 [pid 5371] close(4 [pid 5370] close(8 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(12 [pid 5368] close(18 [pid 5367] close(19 [pid 5366] close(22 [pid 5371] close(5 [pid 5370] close(9 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(13 [pid 5368] close(19 [pid 5367] close(20 [pid 5366] close(23 [pid 5371] close(6 [pid 5370] close(10 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(14 [pid 5368] close(20 [pid 5366] close(24 [pid 5367] close(21 [pid 5371] close(7 [pid 5370] close(11 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(15 [pid 5368] close(21 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(25 [pid 5371] close(8 [pid 5370] close(12 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(22 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(16 [pid 5368] close(22 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(26 [pid 5371] close(9 [pid 5370] close(13 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(23 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(17 [pid 5368] close(23 [pid 5366] close(27 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(10 [pid 5370] close(14 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(24 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(18 [pid 5368] close(24 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(28 [pid 5371] close(11 [pid 5370] close(15 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(25 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(19 [pid 5368] close(25 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] close(29 [pid 5371] close(12 [pid 5370] close(16 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(26 [pid 5366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(20 [pid 5368] close(26 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] exit_group(0 [pid 5371] close(13 [pid 5370] close(17 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(27 [pid 5366] <... exit_group resumed>) = ? [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(21 [pid 5368] close(27 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(14 [pid 5370] close(18 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] +++ exited with 0 +++ [pid 5367] close(28 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(22 [pid 5368] close(28 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 5371] close(15 [pid 5370] close(19 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] close(29 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(23 [pid 5368] close(29 [pid 5367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(16 [pid 5370] close(20 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5367] exit_group(0 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(24 [pid 5367] <... exit_group resumed>) = ? [pid 5371] close(17 [pid 5370] close(21 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5368] exit_group(0 [pid 5367] +++ exited with 0 +++ [pid 3504] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(25 [pid 5368] <... exit_group resumed>) = ? [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5371] close(18 [pid 5370] close(22 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(26 [pid 5368] +++ exited with 0 +++ [pid 3504] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5371] close(19 [pid 5370] close(23 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(27 [pid 3504] fstat(3, [pid 3503] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5371] close(20 [pid 5370] close(24 [pid 5369] <... 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 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(28 [pid 3503] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5371] close(21 [pid 5370] close(25 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] close(29 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... openat resumed>) = 3 [pid 3502] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5371] close(22 [pid 5370] close(26 [pid 5369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] fstat(3, [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(23 [pid 5369] exit_group(0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5370] close(27 [pid 5369] <... exit_group resumed>) = ? [pid 3504] lstat("./310/binderfs", [pid 3503] getdents64(3, [pid 3502] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5371] close(24 [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(25) = -1 EBADF (Bad file descriptor) [pid 5371] close(26) = -1 EBADF (Bad file descriptor) [pid 5371] close(27) = -1 EBADF (Bad file descriptor) [pid 5371] close(28 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 5371] close(29) = -1 EBADF (Bad file descriptor) [pid 5371] exit_group(0) = ? [pid 5371] +++ exited with 0 +++ [pid 5370] close(28 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] fstat(3, [pid 5369] +++ exited with 0 +++ [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5370] close(29 [pid 3504] unlink("./310/binderfs" [pid 3503] lstat("./308/binderfs", [pid 3502] getdents64(3, [pid 3501] <... openat resumed>) = 3 [pid 5370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] fstat(3, [pid 5370] exit_group(0 [pid 3504] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./308/binderfs" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5370] <... exit_group resumed>) = ? [pid 3504] lstat("./310/cgroup.net", [pid 3503] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] unlink("./298/binderfs") = 0 [pid 3501] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./298/cgroup.net", [pid 3504] <... 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 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] lstat("./305/binderfs", [pid 3501] unlink("./298/cgroup.net" [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] unlink("./310/cgroup.net" [pid 3503] lstat("./308/cgroup.net", [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] unlink("./308/cgroup.net" [pid 3502] unlink("./305/binderfs" [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... openat resumed>) = 3 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3501] lstat("./298/cgroup.cpu", [pid 5370] +++ exited with 0 +++ [pid 3504] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./298/cgroup.cpu" [pid 3504] lstat("./310/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [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=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./308/cgroup.cpu", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] lstat("./305/cgroup.net", [pid 3501] lstat("./298/cgroup", [pid 3504] unlink("./310/cgroup.cpu" [pid 3503] unlink("./308/cgroup.cpu" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] unlink("./305/cgroup.net" [pid 3501] unlink("./298/cgroup" [pid 3500] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./308/cgroup", [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 3500] lstat("./296/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./310/cgroup", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] lstat("./305/cgroup.cpu", [pid 3501] <... close resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] rmdir("./298" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] unlink("./310/cgroup" [pid 3503] unlink("./308/cgroup" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... rmdir resumed>) = 0 [pid 3504] <... unlink resumed>) = 0 [pid 3501] mkdir("./299", 0777 [pid 3500] unlink("./296/binderfs" [pid 3499] <... openat resumed>) = 3 [pid 3504] getdents64(3, [pid 3503] <... unlink resumed>) = 0 [pid 3502] unlink("./305/cgroup.cpu" [pid 3501] <... mkdir resumed>) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... unlink resumed>) = 0 [pid 3499] fstat(3, ./strace-static-x86_64: Process 5372 attached [pid 3504] close(3 [pid 3503] getdents64(3, [pid 3502] <... unlink resumed>) = 0 [pid 5372] set_robust_list(0x5555573195e0, 24 [pid 3504] <... close resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 301 [pid 5372] <... set_robust_list resumed>) = 0 [pid 3504] rmdir("./310" [pid 3500] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5372] chdir("./299" [pid 3504] <... rmdir resumed>) = 0 [pid 5372] <... chdir resumed>) = 0 [pid 3504] mkdir("./311", 0777 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] umount2("./305/cgroup", 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 5372] <... prctl resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] close(3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./296/cgroup.net", [pid 3499] getdents64(3, ./strace-static-x86_64: Process 5373 attached [pid 5372] setpgid(0, 0 [pid 3503] <... close resumed>) = 0 [pid 3502] lstat("./305/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5373] set_robust_list(0x5555573195e0, 24 [pid 5372] <... setpgid resumed>) = 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 313 [pid 3503] rmdir("./308" [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./296/cgroup.net" [pid 3499] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5373] <... set_robust_list resumed>) = 0 [pid 5372] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3503] <... rmdir resumed>) = 0 [pid 3502] unlink("./305/cgroup" [pid 5373] chdir("./311" [pid 3500] <... unlink resumed>) = 0 [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5373] <... chdir resumed>) = 0 [pid 3503] mkdir("./309", 0777 [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] lstat("./290/binderfs", [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5372] <... symlink resumed>) = 0 [pid 5373] <... prctl resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5373] setpgid(0, 0 [pid 5372] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] getdents64(3, [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./290/binderfs" [pid 5373] <... setpgid resumed>) = 0 [pid 5373] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5374 attached [pid 5373] <... symlink resumed>) = 0 [pid 5372] <... symlink resumed>) = 0 [pid 3500] lstat("./296/cgroup.cpu", [pid 3499] <... unlink resumed>) = 0 [pid 5374] set_robust_list(0x5555573195e0, 24 [pid 5373] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5372] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 311 [pid 3502] close(3 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5374] <... set_robust_list resumed>) = 0 [pid 5373] <... symlink resumed>) = 0 [pid 5372] <... symlink resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3500] unlink("./296/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5374] chdir("./309" [pid 5373] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] rmdir("./305" [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./290/cgroup.net", [pid 5374] <... chdir resumed>) = 0 [pid 5373] <... symlink resumed>) = 0 [pid 5372] <... openat resumed>) = 3 [pid 3500] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5372] write(3, "1000", 4 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./290/cgroup.net" [pid 5374] <... prctl resumed>) = 0 [pid 5373] <... openat resumed>) = 3 [pid 5372] <... write resumed>) = 4 [pid 3500] lstat("./296/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 5374] setpgid(0, 0 [pid 5373] write(3, "1000", 4 [pid 5372] close(3 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5374] <... setpgid resumed>) = 0 [pid 5372] <... close resumed>) = 0 [pid 3502] mkdir("./306", 0777 [pid 5374] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5373] <... write resumed>) = 4 [pid 5372] read(200, [pid 3500] unlink("./296/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5374] <... symlink resumed>) = 0 [pid 5373] close(3 [pid 5372] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./290/cgroup.cpu", [pid 5374] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5373] <... close resumed>) = 0 [pid 5372] symlink("/dev/binderfs", "./binderfs" [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5374] <... symlink resumed>) = 0 [pid 5373] read(200, [pid 5372] <... symlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./290/cgroup.cpu"./strace-static-x86_64: Process 5375 attached [pid 5374] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5373] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 5375] set_robust_list(0x5555573195e0, 24 [pid 5374] <... symlink resumed>) = 0 [pid 5373] symlink("/dev/binderfs", "./binderfs" [pid 5372] <... 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] <... clone resumed>, child_tidptr=0x5555573195d0) = 308 [pid 3500] <... close resumed>) = 0 [pid 3499] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] <... symlink resumed>) = 0 [pid 5372] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] rmdir("./296" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5375] chdir("./306" [pid 5374] <... openat resumed>) = 3 [pid 5373] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5372] <... mmap resumed>) = 0x20002000 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] lstat("./290/cgroup", [pid 5375] <... chdir resumed>) = 0 [pid 5374] write(3, "1000", 4 [pid 5373] <... 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 5372] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3500] mkdir("./297", 0777 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] <... write resumed>) = 4 [pid 5373] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5372] <... mmap resumed>) = 0x20000000 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] unlink("./290/cgroup" [pid 5375] <... prctl resumed>) = 0 [pid 5374] close(3 [pid 5373] <... mmap resumed>) = 0x20002000 [pid 5372] close(3 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5375] setpgid(0, 0 [pid 5374] <... close resumed>) = 0 [pid 5373] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5372] <... close resumed>) = 0 [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5376 attached [pid 5375] <... setpgid resumed>) = 0 [pid 5374] read(200, [pid 5373] <... mmap resumed>) = 0x20000000 [pid 5372] close(4 [pid 3499] getdents64(3, [pid 5376] set_robust_list(0x5555573195e0, 24 [pid 5374] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] close(3 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 299 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5376] <... set_robust_list resumed>) = 0 [pid 5375] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5374] symlink("/dev/binderfs", "./binderfs" [pid 5373] <... close resumed>) = 0 [pid 5372] close(5 [pid 3499] close(3 [pid 5376] chdir("./297" [pid 5375] <... symlink resumed>) = 0 [pid 5374] <... symlink resumed>) = 0 [pid 5373] close(4 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... close resumed>) = 0 [pid 5376] <... chdir resumed>) = 0 [pid 5375] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5374] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(6 [pid 3499] rmdir("./290" [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5375] <... symlink resumed>) = 0 [pid 5374] <... 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 5373] close(5 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... rmdir resumed>) = 0 [pid 5376] <... prctl resumed>) = 0 [pid 5375] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5374] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(7 [pid 3499] mkdir("./291", 0777 [pid 5376] setpgid(0, 0 [pid 5375] <... symlink resumed>) = 0 [pid 5374] <... mmap resumed>) = 0x20002000 [pid 5373] close(6 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5376] <... setpgid resumed>) = 0 [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5374] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(8 [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached [pid 5376] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5375] <... openat resumed>) = 3 [pid 5374] <... mmap resumed>) = 0x20000000 [pid 5373] close(7 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] set_robust_list(0x5555573195e0, 24 [pid 5376] <... symlink resumed>) = 0 [pid 5375] write(3, "1000", 4 [pid 5374] close(3 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(9 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 293 [pid 5377] <... set_robust_list resumed>) = 0 [pid 5376] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5375] <... write resumed>) = 4 [pid 5374] <... close resumed>) = 0 [pid 5373] close(8 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] chdir("./291" [pid 5376] <... symlink resumed>) = 0 [pid 5375] close(3 [pid 5374] close(4 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(10 [pid 5377] <... chdir resumed>) = 0 [pid 5376] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5375] <... close resumed>) = 0 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(9 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] <... symlink resumed>) = 0 [pid 5375] read(200, [pid 5374] close(5 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(11 [pid 5377] <... prctl resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5375] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(10 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] setpgid(0, 0 [pid 5376] <... openat resumed>) = 3 [pid 5375] symlink("/dev/binderfs", "./binderfs" [pid 5374] close(6 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... setpgid resumed>) = 0 [pid 5376] write(3, "1000", 4 [pid 5375] <... symlink resumed>) = 0 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(11 [pid 5372] close(12 [pid 5377] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5376] <... write resumed>) = 4 [pid 5375] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5374] close(7 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... symlink resumed>) = 0 [pid 5376] close(3 [pid 5375] <... 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 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(12 [pid 5372] close(13 [pid 5377] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5376] <... close resumed>) = 0 [pid 5375] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5374] close(8 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... symlink resumed>) = 0 [pid 5376] read(200, [pid 5375] <... mmap resumed>) = 0x20002000 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(13 [pid 5377] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5376] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5374] close(9 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(14 [pid 5377] <... symlink resumed>) = 0 [pid 5376] symlink("/dev/binderfs", "./binderfs" [pid 5375] <... mmap resumed>) = 0x20000000 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(14 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5375] close(3 [pid 5376] <... symlink resumed>) = 0 [pid 5375] <... close resumed>) = 0 [pid 5374] close(10 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(15 [pid 5377] <... openat resumed>) = 3 [pid 5376] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5375] close(4 [pid 5373] close(15 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... 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 5375] close(5 [pid 5374] close(11 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(16 [pid 5377] write(3, "1000", 4 [pid 5376] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(6 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(16 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... write resumed>) = 4 [pid 5376] <... mmap resumed>) = 0x20002000 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(12 [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] close(17 [pid 5377] close(3 [pid 5376] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5375] close(7 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = 0 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] close(17 [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] read(200, [pid 5376] <... mmap resumed>) = 0x20000000 [pid 5375] close(8 [pid 5374] close(13 [pid 5372] close(18 [pid 5377] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5376] close(3 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] symlink("/dev/binderfs", "./binderfs" [pid 5376] <... close resumed>) = 0 [pid 5375] close(9 [pid 5374] close(14 [pid 5373] close(18 [pid 5372] close(19 [pid 5377] <... symlink resumed>) = 0 [pid 5376] close(4 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(10 [pid 5374] close(15 [pid 5373] close(19 [pid 5372] close(20 [pid 5377] <... 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 5376] close(5 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(11 [pid 5374] close(16 [pid 5373] close(20 [pid 5372] close(21 [pid 5377] <... mmap resumed>) = 0x20002000 [pid 5376] close(6 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(12 [pid 5374] close(17 [pid 5373] close(21 [pid 5372] close(22 [pid 5377] <... mmap resumed>) = 0x20000000 [pid 5376] close(7 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(3 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(13 [pid 5374] close(18 [pid 5373] close(22 [pid 5372] close(23 [pid 5377] <... close resumed>) = 0 [pid 5376] close(8 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(4 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(14 [pid 5374] close(19 [pid 5373] close(23 [pid 5372] close(24 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(9 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(5 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(15 [pid 5374] close(20 [pid 5373] close(24 [pid 5372] close(25 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(10 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(6 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(16 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(11 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(21 [pid 5373] close(25 [pid 5372] close(26 [pid 5377] close(7 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(17 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(12 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(22 [pid 5373] close(26 [pid 5372] close(27 [pid 5377] close(8 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(18 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(13 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(23 [pid 5373] close(27 [pid 5372] close(28 [pid 5377] close(9 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(19 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(14 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(24 [pid 5373] close(28 [pid 5372] close(29 [pid 5377] close(10 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(15 [pid 5374] close(25 [pid 5373] close(29 [pid 5372] exit_group(0 [pid 5377] close(11 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(20 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5372] <... exit_group resumed>) = ? [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(16 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(26 [pid 5373] exit_group(0 [pid 5377] close(12 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(21 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5373] <... exit_group resumed>) = ? [pid 5372] +++ exited with 0 +++ [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(17 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(27 [pid 5377] close(13 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(22 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(18 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(28 [pid 5373] +++ exited with 0 +++ [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5377] close(14 [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] close(23 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] close(19 [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 5377] close(15 [pid 5375] close(24 [pid 5374] close(29 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 5377] close(16 [pid 5376] close(20 [pid 5375] close(25 [pid 5374] exit_group(0 [pid 3504] <... restart_syscall resumed>) = 0 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] <... exit_group resumed>) = ? [pid 5377] close(17 [pid 5376] close(21 [pid 5375] close(26 [pid 5374] +++ exited with 0 +++ [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./311", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5377] close(18 [pid 5376] close(22 [pid 5375] close(27 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] restart_syscall(<... resuming interrupted clone ...> [pid 3501] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5377] close(19 [pid 5376] close(23 [pid 3503] <... restart_syscall resumed>) = 0 [pid 3501] <... openat resumed>) = 3 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] fstat(3, [pid 5377] close(20 [pid 5376] close(24 [pid 5375] close(28 [pid 3504] <... openat resumed>) = 3 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] fstat(3, [pid 3503] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] getdents64(3, [pid 5377] close(21 [pid 5376] close(25 [pid 5375] close(29 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5377] close(22 [pid 5376] close(26 [pid 5375] exit_group(0 [pid 3504] getdents64(3, [pid 3503] <... openat resumed>) = 3 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... exit_group resumed>) = ? [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] fstat(3, [pid 3501] lstat("./299/binderfs", [pid 5377] close(23 [pid 5376] close(27 [pid 3503] <... 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 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] getdents64(3, [pid 3501] unlink("./299/binderfs" [pid 5377] close(24 [pid 5376] close(28 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... unlink resumed>) = 0 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] +++ exited with 0 +++ [pid 3504] umount2("./311/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5377] close(25 [pid 5376] close(29 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./311/binderfs", [pid 3503] lstat("./309/binderfs", [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3501] lstat("./299/cgroup.net", [pid 5377] close(26 [pid 5376] exit_group(0 [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 3502] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... exit_group resumed>) = ? [pid 3504] unlink("./311/binderfs" [pid 3503] unlink("./309/binderfs" [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./299/cgroup.net" [pid 5377] close(27 [pid 5376] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... unlink resumed>) = 0 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... openat resumed>) = 3 [pid 3501] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5377] close(28 [pid 3504] umount2("./311/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] fstat(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] lstat("./309/cgroup.net", [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./299/cgroup.cpu", [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5377] close(29 [pid 3504] lstat("./311/cgroup.net", [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] getdents64(3, [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] unlink("./309/cgroup.net" [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] unlink("./299/cgroup.cpu" [pid 5377] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 5377] <... exit_group resumed>) = ? [pid 3503] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] unlink("./311/cgroup.net" [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] +++ exited with 0 +++ [pid 3504] <... unlink resumed>) = 0 [pid 3503] lstat("./309/cgroup.cpu", [pid 3502] lstat("./306/binderfs", [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./311/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] lstat("./299/cgroup", [pid 3500] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] unlink("./309/cgroup.cpu" [pid 3502] unlink("./306/binderfs" [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] <... openat resumed>) = 3 [pid 3504] lstat("./311/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] unlink("./299/cgroup" [pid 3500] fstat(3, [pid 3504] unlink("./311/cgroup.cpu" [pid 3503] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3499] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 3500] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./311/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] lstat("./309/cgroup", [pid 3502] lstat("./306/cgroup.net", [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3499] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] close(3 [pid 3500] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... openat resumed>) = 3 [pid 3504] lstat("./311/cgroup", [pid 3503] unlink("./309/cgroup" [pid 3502] unlink("./306/cgroup.net" [pid 3501] <... close resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] fstat(3, [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] rmdir("./299" [pid 3500] lstat("./297/binderfs", [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] unlink("./311/cgroup" [pid 3503] getdents64(3, [pid 3502] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... rmdir resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3499] getdents64(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] mkdir("./300", 0777 [pid 3504] getdents64(3, [pid 3503] close(3 [pid 3502] lstat("./306/cgroup.cpu", [pid 3501] <... mkdir resumed>) = 0 [pid 3500] unlink("./297/binderfs" [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] <... close 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] <... unlink resumed>) = 0 [pid 3499] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5378 attached [pid 3504] close(3 [pid 3503] rmdir("./309" [pid 3502] unlink("./306/cgroup.cpu" [pid 5378] set_robust_list(0x5555573195e0, 24 [pid 3504] <... close resumed>) = 0 [pid 5378] <... set_robust_list resumed>) = 0 [pid 3504] rmdir("./311" [pid 3503] <... rmdir resumed>) = 0 [pid 3500] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5378] chdir("./300" [pid 3504] <... rmdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 302 [pid 5378] <... chdir resumed>) = 0 [pid 3504] mkdir("./312", 0777 [pid 3503] mkdir("./310", 0777 [pid 3502] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./291/binderfs", [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3504] <... mkdir resumed>) = 0 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./297/cgroup.net", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5378] <... prctl resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] lstat("./306/cgroup", [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./291/binderfs"./strace-static-x86_64: Process 5380 attached ./strace-static-x86_64: Process 5379 attached [pid 5378] setpgid(0, 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./297/cgroup.net" [pid 3499] <... unlink resumed>) = 0 [pid 5380] set_robust_list(0x5555573195e0, 24 [pid 5379] set_robust_list(0x5555573195e0, 24 [pid 5378] <... setpgid resumed>) = 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 314 [pid 3502] unlink("./306/cgroup" [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5378] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 312 [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5380] chdir("./310" [pid 5379] chdir("./312" [pid 5378] <... symlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 5380] <... chdir resumed>) = 0 [pid 5379] <... chdir resumed>) = 0 [pid 5378] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3502] getdents64(3, [pid 3500] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5378] <... symlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./291/cgroup.net", [pid 5380] <... prctl resumed>) = 0 [pid 5379] <... prctl resumed>) = 0 [pid 5378] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3502] close(3 [pid 3500] lstat("./297/cgroup.cpu", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5380] setpgid(0, 0 [pid 5379] setpgid(0, 0 [pid 5378] <... symlink resumed>) = 0 [pid 3502] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] unlink("./291/cgroup.net" [pid 5380] <... setpgid resumed>) = 0 [pid 5379] <... setpgid resumed>) = 0 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] rmdir("./306" [pid 3500] unlink("./297/cgroup.cpu" [pid 3499] <... unlink resumed>) = 0 [pid 5380] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5379] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5378] <... openat resumed>) = 3 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5380] <... symlink resumed>) = 0 [pid 5379] <... symlink resumed>) = 0 [pid 5378] write(3, "1000", 4 [pid 3502] mkdir("./307", 0777 [pid 3500] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5380] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5379] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5378] <... write resumed>) = 4 [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] lstat("./291/cgroup.cpu", [pid 5380] <... symlink resumed>) = 0 [pid 5379] <... symlink resumed>) = 0 [pid 5378] close(3 [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] lstat("./297/cgroup", [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5381 attached [pid 5380] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5379] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5378] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] unlink("./291/cgroup.cpu" [pid 5381] set_robust_list(0x5555573195e0, 24 [pid 5380] <... symlink resumed>) = 0 [pid 5379] <... symlink resumed>) = 0 [pid 5378] read(200, [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 309 [pid 3500] unlink("./297/cgroup" [pid 3499] <... unlink resumed>) = 0 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5378] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] <... unlink resumed>) = 0 [pid 3499] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5381] chdir("./307" [pid 5380] <... openat resumed>) = 3 [pid 5379] <... openat resumed>) = 3 [pid 5378] symlink("/dev/binderfs", "./binderfs" [pid 3500] getdents64(3, [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5381] <... chdir resumed>) = 0 [pid 5380] write(3, "1000", 4 [pid 5379] write(3, "1000", 4 [pid 5378] <... symlink resumed>) = 0 [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] lstat("./291/cgroup", [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5380] <... write resumed>) = 4 [pid 5379] <... write resumed>) = 4 [pid 3500] close(3 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5381] <... prctl resumed>) = 0 [pid 5380] close(3 [pid 5379] close(3 [pid 5378] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3500] <... close resumed>) = 0 [pid 3499] unlink("./291/cgroup" [pid 5381] setpgid(0, 0 [pid 5380] <... close resumed>) = 0 [pid 5379] <... close resumed>) = 0 [pid 5378] <... 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 3500] rmdir("./297" [pid 3499] <... unlink resumed>) = 0 [pid 5381] <... setpgid resumed>) = 0 [pid 5380] read(200, [pid 5379] read(200, [pid 5378] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] getdents64(3, [pid 5380] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3500] mkdir("./298", 0777 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5381] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5380] symlink("/dev/binderfs", "./binderfs" [pid 5379] symlink("/dev/binderfs", "./binderfs" [pid 5378] <... mmap resumed>) = 0x20002000 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] close(3 [pid 5381] <... symlink resumed>) = 0 [pid 5380] <... symlink resumed>) = 0 [pid 5379] <... symlink resumed>) = 0 [pid 5378] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3499] <... close resumed>) = 0 ./strace-static-x86_64: Process 5382 attached [pid 5381] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5380] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5379] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5378] <... mmap resumed>) = 0x20000000 [pid 3499] rmdir("./291" [pid 5382] set_robust_list(0x5555573195e0, 24 [pid 5381] <... symlink resumed>) = 0 [pid 5380] <... 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 5379] <... 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 5378] close(3 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 300 [pid 3499] <... rmdir resumed>) = 0 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5381] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5380] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5379] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5378] <... close resumed>) = 0 [pid 3499] mkdir("./292", 0777 [pid 5382] chdir("./298" [pid 5381] <... symlink resumed>) = 0 [pid 5380] <... mmap resumed>) = 0x20002000 [pid 5379] <... mmap resumed>) = 0x20002000 [pid 5378] close(4 [pid 3499] <... mkdir resumed>) = 0 [pid 5382] <... chdir resumed>) = 0 [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5380] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5379] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5378] <... 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 5383 attached [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] <... openat resumed>) = 3 [pid 5380] <... mmap resumed>) = 0x20000000 [pid 5379] <... mmap resumed>) = 0x20000000 [pid 5378] close(5 [pid 5383] set_robust_list(0x5555573195e0, 24 [pid 5382] <... prctl resumed>) = 0 [pid 5381] write(3, "1000", 4 [pid 5380] close(3 [pid 5379] close(3 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 294 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5382] setpgid(0, 0 [pid 5381] <... write resumed>) = 4 [pid 5380] <... close resumed>) = 0 [pid 5379] <... close resumed>) = 0 [pid 5378] close(6 [pid 5383] chdir("./292" [pid 5382] <... setpgid resumed>) = 0 [pid 5381] close(3 [pid 5380] close(4 [pid 5379] close(4 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... chdir resumed>) = 0 [pid 5382] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5381] <... close resumed>) = 0 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(7 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5382] <... symlink resumed>) = 0 [pid 5381] read(200, [pid 5380] close(5 [pid 5379] close(5 [pid 5383] <... prctl resumed>) = 0 [pid 5382] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5381] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] setpgid(0, 0 [pid 5382] <... symlink resumed>) = 0 [pid 5381] symlink("/dev/binderfs", "./binderfs" [pid 5380] close(6 [pid 5379] close(6 [pid 5378] close(8 [pid 5383] <... setpgid resumed>) = 0 [pid 5382] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5381] <... symlink resumed>) = 0 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5382] <... symlink resumed>) = 0 [pid 5381] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5380] close(7 [pid 5379] close(7 [pid 5378] close(9 [pid 5383] <... symlink resumed>) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5382] <... openat resumed>) = 3 [pid 5381] <... 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 5380] close(8 [pid 5379] close(8 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... symlink resumed>) = 0 [pid 5382] write(3, "1000", 4 [pid 5381] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(10 [pid 5383] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5382] <... write resumed>) = 4 [pid 5381] <... mmap resumed>) = 0x20002000 [pid 5380] close(9 [pid 5379] close(9 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... symlink resumed>) = 0 [pid 5382] close(3 [pid 5381] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(11 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5382] <... close resumed>) = 0 [pid 5380] close(10 [pid 5379] close(10 [pid 5383] <... openat resumed>) = 3 [pid 5382] read(200, [pid 5381] <... mmap resumed>) = 0x20000000 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] write(3, "1000", 4 [pid 5382] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] close(3 [pid 5380] close(11 [pid 5379] close(11 [pid 5378] close(12 [pid 5383] <... write resumed>) = 4 [pid 5382] symlink("/dev/binderfs", "./binderfs" [pid 5381] <... close resumed>) = 0 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(3 [pid 5382] <... symlink resumed>) = 0 [pid 5380] close(12 [pid 5379] close(12 [pid 5378] close(13 [pid 5381] close(4 [pid 5383] <... close resumed>) = 0 [pid 5382] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] read(200, [pid 5382] <... 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 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(13 [pid 5379] close(13 [pid 5378] close(14 [pid 5383] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5381] close(5 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] symlink("/dev/binderfs", "./binderfs" [pid 5382] <... mmap resumed>) = 0x20002000 [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(14 [pid 5379] close(14 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... symlink resumed>) = 0 [pid 5382] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5381] close(6 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(15 [pid 5383] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5382] <... mmap resumed>) = 0x20000000 [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(15 [pid 5379] close(15 [pid 5383] <... 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 5382] close(3 [pid 5381] close(7 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5382] <... close resumed>) = 0 [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(16 [pid 5379] close(16 [pid 5378] close(16 [pid 5383] <... mmap resumed>) = 0x20002000 [pid 5382] close(4 [pid 5381] close(8 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(17 [pid 5379] close(17 [pid 5378] close(17 [pid 5383] <... mmap resumed>) = 0x20000000 [pid 5382] close(5 [pid 5381] close(9 [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(3 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(18 [pid 5379] close(18 [pid 5378] close(18 [pid 5383] <... close resumed>) = 0 [pid 5382] close(6 [pid 5381] close(10 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(4 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(19 [pid 5382] close(7 [pid 5381] close(11 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(20 [pid 5382] close(8 [pid 5381] close(12 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(19 [pid 5379] close(19 [pid 5378] close(21 [pid 5382] close(9 [pid 5381] close(13 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(5 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(22 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(10 [pid 5381] close(14 [pid 5380] close(20 [pid 5379] close(20 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(6 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(23 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(11 [pid 5381] close(15 [pid 5380] close(21 [pid 5379] close(21 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(7 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(24 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(12 [pid 5381] close(16 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(25 [pid 5383] close(8 [pid 5382] close(13 [pid 5381] close(17 [pid 5380] close(22 [pid 5379] close(22 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(26 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(14 [pid 5381] close(18 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(9 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(27 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(15 [pid 5381] close(19 [pid 5380] close(23 [pid 5379] close(23 [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(10 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] close(28 [pid 5382] close(16 [pid 5381] close(20 [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(24 [pid 5379] close(24 [pid 5378] close(29 [pid 5383] close(11 [pid 5382] close(17 [pid 5381] close(21 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5378] exit_group(0 [pid 5382] close(18 [pid 5381] close(22 [pid 5378] <... exit_group resumed>) = ? [pid 5383] close(12 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(25 [pid 5379] close(25 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(19 [pid 5381] close(23 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(13 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(26 [pid 5379] close(26 [pid 5378] +++ exited with 0 +++ [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(20 [pid 5381] close(24 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(14 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(27 [pid 5379] close(27 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(21 [pid 5381] close(25 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5383] close(15 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(28 [pid 5379] close(28 [pid 3501] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(22 [pid 5381] close(26 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(16 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] close(29 [pid 5379] close(29 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(23 [pid 5381] close(27 [pid 5380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(17 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] exit_group(0 [pid 5379] exit_group(0 [pid 3501] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(24 [pid 5381] close(28 [pid 5380] <... exit_group resumed>) = ? [pid 5379] <... exit_group resumed>) = ? [pid 3501] <... openat resumed>) = 3 [pid 5383] close(18 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 3501] fstat(3, [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] close(25 [pid 5381] close(29 [pid 5383] close(19 [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5382] close(26 [pid 5383] close(20 [pid 5381] exit_group(0 [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] getdents64(3, [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] <... exit_group resumed>) = ? [pid 3504] restart_syscall(<... resuming interrupted clone ...> [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5383] close(21 [pid 5382] close(27 [pid 5381] +++ exited with 0 +++ [pid 3504] <... restart_syscall resumed>) = 0 [pid 3503] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... openat resumed>) = 3 [pid 5383] close(22 [pid 5382] close(28 [pid 3503] fstat(3, [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] lstat("./300/binderfs", [pid 5383] close(23 [pid 5382] close(29 [pid 3504] umount2("./312", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] getdents64(3, [pid 3502] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] unlink("./300/binderfs" [pid 5383] close(24 [pid 5382] exit_group(0 [pid 3504] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] <... unlink resumed>) = 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] <... exit_group resumed>) = ? [pid 3504] <... openat resumed>) = 3 [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... openat resumed>) = 3 [pid 3501] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5383] close(25 [pid 3503] lstat("./310/binderfs", [pid 3502] fstat(3, [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] +++ exited with 0 +++ [pid 3504] fstat(3, [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5383] close(26 [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] getdents64(3, [pid 3503] unlink("./310/binderfs" [pid 3502] getdents64(3, [pid 3501] lstat("./300/cgroup.net", [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5383] close(27 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] umount2("./312/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 5383] close(28 [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] lstat("./312/binderfs", [pid 3503] lstat("./310/cgroup.net", [pid 3502] lstat("./307/binderfs", [pid 3501] unlink("./300/cgroup.net" [pid 5383] close(29 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] unlink("./312/binderfs" [pid 3503] unlink("./310/cgroup.net" [pid 3502] unlink("./307/binderfs" [pid 3501] <... unlink resumed>) = 0 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5383] exit_group(0 [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5383] <... exit_group resumed>) = ? [pid 3503] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 3504] <... unlink resumed>) = 0 [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] umount2("./312/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] lstat("./300/cgroup.cpu", [pid 5383] +++ exited with 0 +++ [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] fstat(3, [pid 3504] lstat("./312/cgroup.net", [pid 3501] unlink("./300/cgroup.cpu" [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./310/cgroup.cpu", [pid 3502] lstat("./307/cgroup.net", [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=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] unlink("./312/cgroup.net" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 3500] getdents64(3, [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./310/cgroup.cpu" [pid 3502] unlink("./307/cgroup.net" [pid 3501] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3500] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] umount2("./312/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] lstat("./312/cgroup.cpu", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] lstat("./300/cgroup", [pid 3500] lstat("./298/binderfs", [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3503] lstat("./310/cgroup", [pid 3502] lstat("./307/cgroup.cpu", [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3504] unlink("./312/cgroup.cpu" [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3502] <... 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 3501] unlink("./300/cgroup" [pid 3499] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] <... unlink resumed>) = 0 [pid 3503] unlink("./310/cgroup" [pid 3502] unlink("./307/cgroup.cpu" [pid 3501] <... unlink resumed>) = 0 [pid 3500] unlink("./298/binderfs" [pid 3499] <... openat resumed>) = 3 [pid 3504] umount2("./312/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3501] getdents64(3, [pid 3500] <... unlink resumed>) = 0 [pid 3499] fstat(3, [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3502] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3504] lstat("./312/cgroup", [pid 3503] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] close(3 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] getdents64(3, [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3503] close(3 [pid 3502] lstat("./307/cgroup", [pid 3500] lstat("./298/cgroup.net", [pid 3499] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3504] unlink("./312/cgroup" [pid 3503] <... close resumed>) = 0 [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3501] <... close resumed>) = 0 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3504] <... unlink resumed>) = 0 [pid 3503] rmdir("./310" [pid 3502] unlink("./307/cgroup" [pid 3501] rmdir("./300" [pid 3500] unlink("./298/cgroup.net" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] getdents64(3, [pid 3503] <... rmdir resumed>) = 0 [pid 3502] <... unlink resumed>) = 0 [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./292/binderfs", [pid 3504] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3503] mkdir("./311", 0777 [pid 3502] getdents64(3, [pid 3501] <... rmdir resumed>) = 0 [pid 3500] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3504] close(3 [pid 3503] <... mkdir resumed>) = 0 [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3501] mkdir("./301", 0777 [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./292/binderfs" [pid 3504] <... close resumed>) = 0 [pid 3503] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] close(3 [pid 3501] <... mkdir resumed>) = 0 [pid 3500] lstat("./298/cgroup.cpu", [pid 3499] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5384 attached [pid 3504] rmdir("./312" [pid 3502] <... close resumed>) = 0 [pid 3501] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] set_robust_list(0x5555573195e0, 24 [pid 3504] <... rmdir resumed>) = 0 [pid 3503] <... clone resumed>, child_tidptr=0x5555573195d0) = 313 [pid 3502] rmdir("./307" [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3499] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5385 attached [pid 5384] <... set_robust_list resumed>) = 0 [pid 3504] mkdir("./313", 0777 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] unlink("./298/cgroup.cpu" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5385] set_robust_list(0x5555573195e0, 24 [pid 5384] chdir("./311" [pid 3504] <... mkdir resumed>) = 0 [pid 3502] mkdir("./308", 0777 [pid 3501] <... clone resumed>, child_tidptr=0x5555573195d0) = 303 [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./292/cgroup.net", [pid 5385] <... set_robust_list resumed>) = 0 [pid 5384] <... chdir resumed>) = 0 [pid 3504] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] <... mkdir resumed>) = 0 [pid 3500] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3502] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3500] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] unlink("./292/cgroup.net"./strace-static-x86_64: Process 5387 attached ./strace-static-x86_64: Process 5386 attached [pid 5385] chdir("./301" [pid 5384] <... prctl resumed>) = 0 [pid 3500] lstat("./298/cgroup", [pid 3499] <... unlink resumed>) = 0 [pid 5387] set_robust_list(0x5555573195e0, 24 [pid 5386] set_robust_list(0x5555573195e0, 24 [pid 5385] <... chdir resumed>) = 0 [pid 5384] setpgid(0, 0 [pid 3504] <... clone resumed>, child_tidptr=0x5555573195d0) = 315 [pid 3502] <... clone resumed>, child_tidptr=0x5555573195d0) = 310 [pid 3500] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3499] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] <... set_robust_list resumed>) = 0 [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] <... setpgid resumed>) = 0 [pid 3500] unlink("./298/cgroup" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5387] chdir("./308" [pid 5386] chdir("./313" [pid 5385] <... prctl resumed>) = 0 [pid 5384] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3500] <... unlink resumed>) = 0 [pid 3499] lstat("./292/cgroup.cpu", [pid 5387] <... chdir resumed>) = 0 [pid 5386] <... chdir resumed>) = 0 [pid 5385] setpgid(0, 0 [pid 5384] <... symlink resumed>) = 0 [pid 3500] getdents64(3, [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5385] <... setpgid resumed>) = 0 [pid 5384] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3500] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3499] unlink("./292/cgroup.cpu" [pid 5387] <... prctl resumed>) = 0 [pid 5386] <... prctl resumed>) = 0 [pid 5385] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5384] <... symlink resumed>) = 0 [pid 3500] close(3 [pid 3499] <... unlink resumed>) = 0 [pid 5387] setpgid(0, 0 [pid 5386] setpgid(0, 0 [pid 5385] <... symlink resumed>) = 0 [pid 5384] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3500] <... close resumed>) = 0 [pid 3499] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5387] <... setpgid resumed>) = 0 [pid 5386] <... setpgid resumed>) = 0 [pid 5385] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5384] <... symlink resumed>) = 0 [pid 3500] rmdir("./298" [pid 3499] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5387] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5386] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5385] <... symlink resumed>) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] <... symlink resumed>) = 0 [pid 5385] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5386] <... symlink resumed>) = 0 [pid 3500] <... rmdir resumed>) = 0 [pid 3499] lstat("./292/cgroup", [pid 5387] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5386] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5385] <... symlink resumed>) = 0 [pid 5384] <... openat resumed>) = 3 [pid 3500] mkdir("./299", 0777 [pid 3499] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5387] <... symlink resumed>) = 0 [pid 5386] <... symlink resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] write(3, "1000", 4 [pid 3500] <... mkdir resumed>) = 0 [pid 3499] unlink("./292/cgroup" [pid 5387] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5386] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5385] <... openat resumed>) = 3 [pid 5387] <... symlink resumed>) = 0 [pid 5385] write(3, "1000", 4 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5385] <... write resumed>) = 4 [pid 5387] <... openat resumed>) = 3 [pid 5385] close(3 [pid 5387] write(3, "1000", 4 [pid 5385] <... close resumed>) = 0 [pid 5387] <... write resumed>) = 4 [pid 5385] read(200, [pid 5387] close(3 [pid 5385] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... close resumed>) = 0 [pid 5385] symlink("/dev/binderfs", "./binderfs" [pid 5387] read(200, [pid 5385] <... symlink resumed>) = 0 [pid 5387] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5385] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5387] symlink("/dev/binderfs", "./binderfs" [pid 5386] <... symlink resumed>) = 0 [pid 5385] <... 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 5384] <... write resumed>) = 4 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5387] <... symlink resumed>) = 0 [pid 5385] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3499] <... unlink resumed>) = 0 [pid 5387] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5385] <... mmap resumed>) = 0x20002000 [pid 5387] <... 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 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5385] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5387] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5385] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5388 attached [pid 5387] <... mmap resumed>) = 0x20002000 [pid 5385] close(3 [pid 5384] close(3 [pid 3499] getdents64(3, [pid 5388] set_robust_list(0x5555573195e0, 24 [pid 5387] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5386] <... openat resumed>) = 3 [pid 5385] <... close resumed>) = 0 [pid 5388] <... set_robust_list resumed>) = 0 [pid 5387] <... mmap resumed>) = 0x20000000 [pid 5386] write(3, "1000", 4 [pid 5385] close(4 [pid 5384] <... close resumed>) = 0 [pid 3499] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5388] chdir("./299" [pid 5387] close(3 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 301 [pid 5388] <... chdir resumed>) = 0 [pid 5387] <... close resumed>) = 0 [pid 5385] close(5 [pid 5384] read(200, [pid 3499] close(3 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5387] close(4 [pid 5386] <... write resumed>) = 4 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] <... prctl resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(6 [pid 5384] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3499] <... close resumed>) = 0 [pid 5388] setpgid(0, 0 [pid 5387] close(5 [pid 5386] close(3 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] symlink("/dev/binderfs", "./binderfs" [pid 3499] rmdir("./292" [pid 5388] <... setpgid resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = 0 [pid 5385] close(7 [pid 5388] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5387] close(6 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... symlink resumed>) = 0 [pid 3499] <... rmdir resumed>) = 0 [pid 5388] <... symlink resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] read(200, [pid 5385] close(8 [pid 5388] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5387] close(7 [pid 5386] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3499] mkdir("./293", 0777 [pid 5388] <... symlink resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] symlink("/dev/binderfs", "./binderfs" [pid 5385] close(9 [pid 5388] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5387] close(8 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] <... mkdir resumed>) = 0 [pid 5388] <... symlink resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... symlink resumed>) = 0 [pid 5385] close(10 [pid 5384] <... 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 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] close(9 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3499] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5388] <... openat resumed>) = 3 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5385] close(11 [pid 5384] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5388] write(3, "1000", 4 [pid 5387] close(10 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] <... write resumed>) = 4 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(12 [pid 5388] close(3 [pid 5387] close(11 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5389 attached [pid 5388] <... close resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(13 [pid 5384] <... mmap resumed>) = 0x20002000 [pid 5389] set_robust_list(0x5555573195e0, 24 [pid 5388] read(200, [pid 5387] close(12 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... set_robust_list resumed>) = 0 [pid 5388] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(14 [pid 5389] chdir("./293" [pid 5388] symlink("/dev/binderfs", "./binderfs" [pid 5387] close(13 [pid 5386] <... 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 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3499] <... clone resumed>, child_tidptr=0x5555573195d0) = 295 [pid 5389] <... chdir resumed>) = 0 [pid 5388] <... symlink resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(15 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5387] close(14 [pid 5386] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... mmap resumed>) = 0x20000000 [pid 5389] <... prctl resumed>) = 0 [pid 5388] <... 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 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... mmap resumed>) = 0x20002000 [pid 5385] close(16 [pid 5384] close(3 [pid 5389] setpgid(0, 0 [pid 5388] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5387] close(15 [pid 5386] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = 0 [pid 5389] <... setpgid resumed>) = 0 [pid 5388] <... mmap resumed>) = 0x20002000 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... mmap resumed>) = 0x20000000 [pid 5385] close(17 [pid 5384] close(4 [pid 5389] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5388] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5387] close(16 [pid 5386] close(3 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... symlink resumed>) = 0 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = 0 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(5 [pid 5389] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5388] <... mmap resumed>) = 0x20000000 [pid 5387] close(17 [pid 5386] close(4 [pid 5385] close(18 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... symlink resumed>) = 0 [pid 5388] close(3 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(6 [pid 5389] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5388] <... close resumed>) = 0 [pid 5387] close(18 [pid 5386] close(5 [pid 5385] close(19 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... symlink resumed>) = 0 [pid 5388] close(4 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(7 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(19 [pid 5386] close(6 [pid 5385] close(20 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... openat resumed>) = 3 [pid 5388] close(5 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(8 [pid 5389] write(3, "1000", 4 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(20 [pid 5386] close(7 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... write resumed>) = 4 [pid 5388] close(6 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(21 [pid 5384] close(9 [pid 5389] close(3 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(21 [pid 5386] close(8 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... close resumed>) = 0 [pid 5388] close(7 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(10 [pid 5389] read(200, [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(22 [pid 5386] close(9 [pid 5385] close(22 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... read resumed>0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] close(8 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(11 [pid 5389] symlink("/dev/binderfs", "./binderfs" [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(23 [pid 5386] close(10 [pid 5385] close(23 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... symlink resumed>) = 0 [pid 5388] close(9 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(12 [pid 5389] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(24 [pid 5386] close(11 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... 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 5388] close(10 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(24 [pid 5384] close(13 [pid 5389] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(25 [pid 5386] close(12 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... mmap resumed>) = 0x20002000 [pid 5388] close(11 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(25 [pid 5384] close(14 [pid 5389] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(26 [pid 5386] close(13 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... mmap resumed>) = 0x20000000 [pid 5388] close(12 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(26 [pid 5384] close(15 [pid 5389] close(3 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(27 [pid 5386] close(14 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... close resumed>) = 0 [pid 5388] close(13 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(27 [pid 5384] close(16 [pid 5389] close(4 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(28 [pid 5386] close(15 [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(14 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] close(28 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] close(5 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] close(29 [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(17 [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(15 [pid 5387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] close(16 [pid 5385] close(29 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] close(6 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] exit_group(0 [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(16 [pid 5387] <... exit_group resumed>) = ? [pid 5386] close(17 [pid 5385] exit_group(0 [pid 5384] close(18 [pid 5389] close(7 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] +++ exited with 0 +++ [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] <... exit_group resumed>) = ? [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(17 [pid 5386] close(18 [pid 5384] close(19) = -1 EBADF (Bad file descriptor) [pid 3502] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5384] close(20 [pid 3502] restart_syscall(<... resuming interrupted clone ...> [pid 5389] close(8 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5385] +++ exited with 0 +++ [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... restart_syscall resumed>) = 0 [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(18 [pid 5386] close(19 [pid 5384] close(21 [pid 5389] close(9 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3501] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(19 [pid 5386] close(20 [pid 5384] close(22 [pid 3502] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5389] close(10 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5384] close(23 [pid 3502] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(20 [pid 5386] close(21 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... openat resumed>) = 3 [pid 3501] <... openat resumed>) = 3 [pid 5389] close(11 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(24 [pid 3502] fstat(3, [pid 3501] fstat(3, [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(21 [pid 5386] close(22 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3501] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5389] close(12 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(25 [pid 3502] getdents64(3, [pid 3501] getdents64(3, [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(22 [pid 5386] close(23 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3501] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 5389] close(13 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(26 [pid 3502] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(23 [pid 5386] close(24 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5389] close(14 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(27 [pid 3502] lstat("./308/binderfs", [pid 3501] lstat("./301/binderfs", [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(24 [pid 5386] close(25 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3501] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5389] close(15 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(28 [pid 3502] unlink("./308/binderfs" [pid 3501] unlink("./301/binderfs" [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(25 [pid 5386] close(26 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5389] close(16 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] close(29 [pid 3502] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(26 [pid 5386] close(27 [pid 5384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5389] close(17 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] exit_group(0 [pid 3502] lstat("./308/cgroup.net", [pid 3501] lstat("./301/cgroup.net", [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(27 [pid 5386] close(28 [pid 5384] <... exit_group resumed>) = ? [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 5389] close(18 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5384] +++ exited with 0 +++ [pid 3502] unlink("./308/cgroup.net" [pid 3501] unlink("./301/cgroup.net" [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(28 [pid 5386] close(29 [pid 3503] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5389] close(19 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3502] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] close(29 [pid 5386] exit_group(0 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3501] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5389] close(20 [pid 5388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] <... exit_group resumed>) = ? [pid 3502] lstat("./308/cgroup.cpu", [pid 3501] lstat("./301/cgroup.cpu", [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] exit_group(0 [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 3503] umount2("./311", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] unlink("./308/cgroup.cpu" [pid 3501] unlink("./301/cgroup.cpu" [pid 5389] close(21 [pid 5388] <... exit_group resumed>) = ? [pid 5386] +++ exited with 0 +++ [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... unlink resumed>) = 0 [pid 3501] <... unlink resumed>) = 0 [pid 5389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3503] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3501] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5388] +++ exited with 0 +++ [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3500] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3500] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, 0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 275.214049][ T20] ===================================================== [ 275.221219][ T20] BUG: KMSAN: uninit-value in preempt_count_add+0x1b5/0x320 [ 275.228575][ T20] preempt_count_add+0x1b5/0x320 [ 275.233589][ T20] sysvec_reschedule_ipi+0x1c/0x110 [ 275.238870][ T20] asm_sysvec_reschedule_ipi+0x12/0x20 [ 275.244423][ T20] __msan_metadata_ptr_for_load_4+0x28/0x30 [ 275.250377][ T20] ip_fast_csum+0x2b0/0x5b0 [ 275.254982][ T20] nsim_dev_trap_report_work+0x8e5/0x11a0 [pid 3500] lstat("./299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./299/binderfs") = 0 [pid 3500] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./299/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./299/cgroup.net") = 0 [pid 3500] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./299/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./299/cgroup.cpu") = 0 [pid 3500] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./299/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./299/cgroup") = 0 [pid 3500] getdents64(3, 0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] close(3) = 0 [pid 3500] rmdir("./299") = 0 [pid 3500] mkdir("./300", 0777) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5390 attached [pid 5390] set_robust_list(0x5555573195e0, 24 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 302 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5390] chdir("./300") = 0 [ 275.260792][ T20] process_one_work+0xdb6/0x1820 [ 275.265812][ T20] worker_thread+0x10d0/0x2240 [ 275.270617][ T20] kthread+0x3c7/0x500 [ 275.274730][ T20] ret_from_fork+0x1f/0x30 [ 275.279217][ T20] [ 275.281554][ T20] Uninit was created at: [ 275.285868][ T20] __kmalloc_node_track_caller+0xde3/0x14f0 [ 275.291806][ T20] __alloc_skb+0x545/0xf90 [ 275.296337][ T20] nsim_dev_trap_report_work+0x3da/0x11a0 [ 275.302103][ T20] process_one_work+0xdb6/0x1820 [ 275.307080][ T20] worker_thread+0x10d0/0x2240 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5390] setpgid(0, 0) = 0 [pid 5390] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5390] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5390] write(3, "1000", 4) = 4 [pid 5390] close(3) = 0 [pid 5390] read(200, 0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5390] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, 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 5390] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20002000 [ 275.311880][ T20] kthread+0x3c7/0x500 [ 275.315995][ T20] ret_from_fork+0x1f/0x30 [ 275.320447][ T20] [ 275.322780][ T20] CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.18.0-rc4-syzkaller #0 [ 275.331055][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.341140][ T20] Workqueue: events nsim_dev_trap_report_work [ 275.347270][ T20] ===================================================== [ 275.354216][ T20] Disabling lock debugging due to kernel taint [pid 5390] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000) = 0x20000000 [pid 5390] close(3) = 0 [pid 5390] close(4) = -1 EBADF (Bad file descriptor) [pid 5390] close(5) = -1 EBADF (Bad file descriptor) [pid 5390] close(6) = -1 EBADF (Bad file descriptor) [pid 5390] close(7) = -1 EBADF (Bad file descriptor) [pid 5390] close(8) = -1 EBADF (Bad file descriptor) [pid 5390] close(9) = -1 EBADF (Bad file descriptor) [pid 5390] close(10) = -1 EBADF (Bad file descriptor) [pid 5390] close(11) = -1 EBADF (Bad file descriptor) [pid 5390] close(12) = -1 EBADF (Bad file descriptor) [pid 5390] close(13) = -1 EBADF (Bad file descriptor) [pid 5390] close(14) = -1 EBADF (Bad file descriptor) [pid 5390] close(15) = -1 EBADF (Bad file descriptor) [pid 5390] close(16) = -1 EBADF (Bad file descriptor) [pid 5390] close(17) = -1 EBADF (Bad file descriptor) [pid 5390] close(18) = -1 EBADF (Bad file descriptor) [pid 5390] close(19) = -1 EBADF (Bad file descriptor) [ 275.360387][ T20] Kernel panic - not syncing: kmsan.panic set ... [ 275.366816][ T20] CPU: 1 PID: 20 Comm: kworker/1:0 Tainted: G B 5.18.0-rc4-syzkaller #0 [ 275.376487][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.386576][ T20] Workqueue: events nsim_dev_trap_report_work [ 275.392710][ T20] Call Trace: [ 275.396010][ T20] [ 275.398958][ T20] dump_stack_lvl+0x1ff/0x28e [ 275.403698][ T20] dump_stack+0x25/0x28 [ 275.407896][ T20] panic+0x4fe/0xc73 [pid 5390] close(20) = -1 EBADF (Bad file descriptor) [pid 5390] close(21) = -1 EBADF (Bad file descriptor) [pid 5390] close(22) = -1 EBADF (Bad file descriptor) [pid 5390] close(23) = -1 EBADF (Bad file descriptor) [pid 5390] close(24) = -1 EBADF (Bad file descriptor) [pid 5390] close(25) = -1 EBADF (Bad file descriptor) [pid 5390] close(26) = -1 EBADF (Bad file descriptor) [pid 5390] close(27) = -1 EBADF (Bad file descriptor) [pid 5390] close(28) = -1 EBADF (Bad file descriptor) [pid 5390] close(29) = -1 EBADF (Bad file descriptor) [pid 5390] exit_group(0) = ? [pid 5390] +++ exited with 0 +++ [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3500] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3500] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3500] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3500] getdents64(3, 0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3500] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 275.411895][ T20] ? add_taint+0x181/0x210 [ 275.416375][ T20] ? console_unlock+0x1c00/0x2130 [ 275.421484][ T20] kmsan_report+0x2cd/0x2d0 [ 275.426038][ T20] ? __msan_warning+0x94/0x110 [ 275.430855][ T20] ? preempt_count_add+0x1b5/0x320 [ 275.436020][ T20] ? sysvec_reschedule_ipi+0x1c/0x110 [ 275.441488][ T20] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 275.447167][ T20] ? __msan_metadata_ptr_for_load_4+0x28/0x30 [ 275.453298][ T20] ? ip_fast_csum+0x2b0/0x5b0 [ 275.458026][ T20] ? nsim_dev_trap_report_work+0x8e5/0x11a0 [pid 3500] lstat("./300/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3500] unlink("./300/binderfs") = 0 [pid 3500] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./300/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./300/cgroup.net") = 0 [pid 3500] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./300/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3500] unlink("./300/cgroup.cpu") = 0 [pid 3500] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3500] lstat("./300/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3500] unlink("./300/cgroup") = 0 [pid 3500] getdents64(3, 0x55555731a740 /* 0 entries */, 32768) = 0 [pid 3500] close(3) = 0 [pid 3500] rmdir("./300") = 0 [pid 3500] mkdir("./301", 0777) = 0 [pid 3500] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5391 attached [pid 5391] set_robust_list(0x5555573195e0, 24) = 0 [pid 3500] <... clone resumed>, child_tidptr=0x5555573195d0) = 303 [pid 5391] chdir("./301") = 0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5391] setpgid(0, 0) = 0 [pid 5391] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [ 275.463973][ T20] ? process_one_work+0xdb6/0x1820 [ 275.469126][ T20] ? worker_thread+0x10d0/0x2240 [ 275.474115][ T20] ? kthread+0x3c7/0x500 [ 275.478419][ T20] ? ret_from_fork+0x1f/0x30 [ 275.483061][ T20] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 275.488924][ T20] ? kmsan_get_metadata+0x33/0x220 [ 275.494191][ T20] ? kmsan_internal_memmove_metadata+0x96/0x350 [ 275.500507][ T20] ? kmsan_get_metadata+0x33/0x220 [ 275.505671][ T20] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [pid 5391] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5391] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5391] write(3, "1000", 4) = 4 [pid 5391] close(3) = 0 [pid 5391] read(200, 0x7f0db753e910, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5391] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5391] io_uring_setup(1259, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, 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 5391] mmap(0x20002000, 74048, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20002000 [pid 5391] mmap(0x20000000, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000) = 0x20000000 [pid 5391] close(3) = 0 [pid 5391] close(4) = -1 EBADF (Bad file descriptor) [pid 5391] close(5) = -1 EBADF (Bad file descriptor) [pid 5391] close(6) = -1 EBADF (Bad file descriptor) [pid 5391] close(7) = -1 EBADF (Bad file descriptor) [pid 5391] close(8) = -1 EBADF (Bad file descriptor) [pid 5391] close(9) = -1 EBADF (Bad file descriptor) [ 275.512002][ T20] ? debug_smp_processor_id+0x17/0x20 [ 275.517451][ T20] ? crng_make_state+0x7e8/0xa00 [ 275.522529][ T20] ? kmsan_get_metadata+0x33/0x220 [ 275.527688][ T20] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 275.533547][ T20] __msan_warning+0x94/0x110 [ 275.538199][ T20] preempt_count_add+0x1b5/0x320 [ 275.543217][ T20] sysvec_reschedule_ipi+0x1c/0x110 [ 275.548492][ T20] asm_sysvec_reschedule_ipi+0x12/0x20 [ 275.554010][ T20] RIP: 0010:__msan_metadata_ptr_for_load_4+0x28/0x30 [pid 5391] close(10) = -1 EBADF (Bad file descriptor) [pid 5391] close(11) = -1 EBADF (Bad file descriptor) [pid 5391] close(12) = -1 EBADF (Bad file descriptor) [pid 5391] close(13) = -1 EBADF (Bad file descriptor) [pid 5391] close(14) = -1 EBADF (Bad file descriptor) [pid 5391] close(15) = -1 EBADF (Bad file descriptor) [pid 5391] close(16) = -1 EBADF (Bad file descriptor) [pid 5391] close(17) = -1 EBADF (Bad file descriptor) [pid 5391] close(18) = -1 EBADF (Bad file descriptor) [pid 5391] close(19) = -1 EBADF (Bad file descriptor) [pid 5391] close(20) = -1 EBADF (Bad file descriptor) [pid 5391] close(21) = -1 EBADF (Bad file descriptor) [pid 5391] close(22) = -1 EBADF (Bad file descriptor) [pid 5391] close(23) = -1 EBADF (Bad file descriptor) [pid 5391] close(24) = -1 EBADF (Bad file descriptor) [pid 5391] close(25) = -1 EBADF (Bad file descriptor) [pid 5391] close(26) = -1 EBADF (Bad file descriptor) [ 275.560763][ T20] Code: 40 00 55 48 89 e5 53 48 83 ec 10 9c 8f 45 e8 0f 01 ca 48 8b 5d e8 be 04 00 00 00 31 d2 e8 60 21 00 00 48 89 5d f0 ff 75 f0 9d <48> 83 c4 10 5b 5d c3 90 55 48 89 e5 53 48 83 ec 10 9c 8f 45 e8 0f [ 275.580421][ T20] RSP: 0018:ffff88810265fab0 EFLAGS: 00000282 [ 275.586534][ T20] RAX: ffff88812e076014 RBX: 0000000000000282 RCX: 00000000005e764e [ 275.594545][ T20] RDX: ffff88812e476014 RSI: 0000000005e8a4e0 RDI: ffffea000000000f [ 275.602562][ T20] RBP: ffff88810265fac8 R08: ffffffff8698dc43 R09: ffffffff8cdacdf7 [pid 5391] close(27 [pid 3503] <... openat resumed>) = 3 [pid 3502] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3503] fstat(3, [pid 3502] lstat("./308/cgroup", [pid 5391] close(28 [pid 3504] umount2("./313", MNT_DETACH|UMOUNT_NOFOLLOW [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 5391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] getdents64(3, [pid 3502] unlink("./308/cgroup" [pid 5391] close(29 [pid 3504] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3503] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3502] <... unlink resumed>) = 0 [pid 5391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3504] <... openat resumed>) = 3 [pid 3503] umount2("./311/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] getdents64(3, [pid 5391] exit_group(0 [pid 3504] fstat(3, [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... getdents64 resumed>0x55555731a740 /* 0 entries */, 32768) = 0 [pid 5391] <... exit_group resumed>) = ? [pid 3504] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 3503] lstat("./311/binderfs", [pid 3502] close(3 [pid 5391] +++ exited with 0 +++ [pid 3504] getdents64(3, [pid 3503] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 275.610573][ T20] R10: 0000000000000003 R11: ffff88810264c180 R12: 0000000000000001 [ 275.618580][ T20] R13: ffff88812e876014 R14: 0000000000000000 R15: 0000000005900135 [ 275.626598][ T20] ? in_aton+0x6c7/0x870 [ 275.630929][ T20] ? ip_fast_csum+0x313/0x5b0 [ 275.635671][ T20] ip_fast_csum+0x2b0/0x5b0 [ 275.640233][ T20] nsim_dev_trap_report_work+0x8e5/0x11a0 [ 275.646035][ T20] ? nsim_dev_rate_parent_read+0x1b0/0x1b0 [ 275.651898][ T20] process_one_work+0xdb6/0x1820 [ 275.656906][ T20] worker_thread+0x10d0/0x2240 [ 275.661737][ T20] kthread+0x3c7/0x500 [pid 3502] <... close resumed>) = 0 [pid 3504] <... getdents64 resumed>0x55555731a740 /* 6 entries */, 32768) = 176 [pid 3503] unlink("./311/binderfs" [pid 3502] rmdir("./308" [pid 3504] umount2("./313/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3503] <... unlink resumed>) = 0 [pid 3502] <... rmdir resumed>) = 0 [pid 3500] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3504] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] umount2("./311/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3502] mkdir("./309", 0777 [pid 3500] restart_syscall(<... resuming interrupted clone ...> [pid 3504] lstat("./313/binderfs", [pid 3503] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] <... mkdir resumed>) = 0 [pid 3500] <... restart_syscall resumed>) = 0 [pid 3504] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 275.665861][ T20] ? worker_clr_flags+0x3a0/0x3a0 [ 275.670941][ T20] ? kthread_blkcg+0x120/0x120 [ 275.675773][ T20] ret_from_fork+0x1f/0x30 [ 275.680249][ T20] [ 275.683361][ T20] Kernel Offset: disabled [ 275.687930][ T20] Rebooting in 86400 seconds..