./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2305959032 <...> = 0 [pid 3619] rmdir("./10" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3807 attached [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 16 [pid 3807] chdir("./14" [pid 3619] mkdir("./11", 0777) = 0 [pid 3807] <... chdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 3809 attached [ 69.981122][ T11] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 ) = 0 [pid 3809] chdir("./11" [pid 3807] setpgid(0, 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 13 [pid 3809] <... chdir resumed>) = 0 [pid 3809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3809] setpgid(0, 0 [pid 3807] <... setpgid resumed>) = 0 [pid 3809] <... setpgid resumed>) = 0 [pid 3809] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3807] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3809] <... symlink resumed>) = 0 [pid 3807] <... symlink resumed>) = 0 [pid 3809] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3807] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3809] <... symlink resumed>) = 0 [pid 3807] <... symlink resumed>) = 0 [pid 3807] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3809] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3807] <... symlink resumed>) = 0 [pid 3809] <... symlink resumed>) = 0 [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3807] <... openat resumed>) = 3 [pid 3809] write(3, "1000", 4 [pid 3807] write(3, "1000", 4 [pid 3809] <... write resumed>) = 4 [pid 3807] <... write resumed>) = 4 [pid 3809] close(3) = 0 [pid 3809] symlink("/dev/binderfs", "./binderfs" [pid 3807] close(3 [pid 3809] <... symlink resumed>) = 0 [pid 3809] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3809] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3809] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3809] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3807] <... close resumed>) = 0 [pid 3807] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3807] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3807] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3807] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3807] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3807] close(3) = 0 [pid 3807] close(4) = 0 [pid 3807] close(5) = -1 EBADF (Bad file descriptor) [pid 3807] close(6) = -1 EBADF (Bad file descriptor) [pid 3807] close(7 [pid 3806] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(8) = -1 EBADF (Bad file descriptor) [pid 3806] close(3 [ 70.061794][ T11] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.071912][ T3809] siw: device registration error -23 [pid 3807] close(9) = -1 EBADF (Bad file descriptor) [pid 3809] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3809] close(3) = 0 [pid 3809] close(4) = 0 [pid 3809] close(5 [pid 3806] <... close resumed>) = 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(6) = -1 EBADF (Bad file descriptor) [pid 3806] close(4 [pid 3809] close(7 [pid 3806] <... close resumed>) = 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(8) = -1 EBADF (Bad file descriptor) [pid 3806] close(5 [pid 3809] close(9 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(6 [pid 3809] close(10 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(10 [pid 3806] close(7 [pid 3809] close(11 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(8 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(12 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(9 [pid 3809] close(13 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(11 [pid 3806] close(10 [pid 3809] close(14 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(11 [pid 3809] close(15 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(12 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(12 [pid 3809] close(16 [pid 3807] close(13 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(17 [pid 3807] close(14 [pid 3806] close(13 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(18 [pid 3807] close(15 [pid 3806] close(14 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(19 [pid 3807] close(16 [pid 3806] close(15 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(20 [pid 3807] close(17 [pid 3806] close(16 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(21 [pid 3807] close(18 [pid 3806] close(17 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(22 [pid 3806] close(18 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(23 [pid 3806] close(19 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(19 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 70.087276][ T3807] siw: device registration error -23 [pid 3809] close(24 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(20 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(20 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(25 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(21 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(21 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(26 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(22 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(22 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(27 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(23 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(23 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(28 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(24 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(24 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(29 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(25 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(25 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] exit_group(0 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(26 [pid 3809] <... exit_group resumed>) = ? [pid 3807] close(26 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] +++ exited with 0 +++ [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(27 [pid 3807] close(27 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(28 [pid 3807] close(28 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] close(29 [pid 3619] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3807] close(29 [pid 3806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3806] exit_group(0 [pid 3619] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3807] exit_group(0 [pid 3806] <... exit_group resumed>) = ? [pid 3807] <... exit_group resumed>) = ? [pid 3806] +++ exited with 0 +++ [pid 3619] <... openat resumed>) = 3 [pid 3807] +++ exited with 0 +++ [pid 3619] fstat(3, [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] fstat(3, [pid 3619] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./11/binderfs", [pid 3623] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] lstat("./14/binderfs", [pid 3622] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./11/binderfs" [pid 3623] unlink("./14/binderfs" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./14/cgroup") = 0 [pid 3622] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./14/cgroup.net") = 0 [pid 3623] umount2("./14/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./14/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./14/cpuset.effective_cpus") = 0 [pid 3623] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./14/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./14") = 0 [pid 3623] mkdir("./15", 0777) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] lstat("./15/binderfs", ./strace-static-x86_64: Process 3812 attached [pid 3619] lstat("./11/cgroup", [pid 3812] chdir("./15" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 17 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3812] <... chdir resumed>) = 0 [pid 3622] unlink("./15/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./11/cgroup" [pid 3812] setpgid(0, 0 [pid 3622] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] <... setpgid resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3812] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] <... symlink resumed>) = 0 [pid 3812] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3812] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] lstat("./15/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3812] <... symlink resumed>) = 0 [pid 3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./11/cgroup.net", [pid 3812] <... openat resumed>) = 3 [pid 3622] unlink("./15/cgroup" [pid 3812] write(3, "1000", 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3812] <... write resumed>) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 3812] close(3) = 0 [pid 3619] unlink("./11/cgroup.net" [pid 3812] symlink("/dev/binderfs", "./binderfs" [pid 3622] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3812] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./11/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] <... socket resumed>) = 3 [pid 3622] lstat("./15/cgroup.net", [pid 3812] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3812] <... sendmsg resumed>) = 56 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./11/cpuset.effective_cpus", [pid 3812] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] unlink("./15/cgroup.net" [pid 3812] <... openat resumed>) = 4 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3812] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./15/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3812] close(3) = 0 [pid 3812] close(4 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./11/cpuset.effective_cpus" [pid 3812] <... close resumed>) = 0 [pid 3812] close(5) = -1 EBADF (Bad file descriptor) [pid 3812] close(6) = -1 EBADF (Bad file descriptor) [pid 3812] close(7 [pid 3622] lstat("./15/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(8) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] close(9 [pid 3622] unlink("./15/cpuset.effective_cpus" [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3812] close(10) = -1 EBADF (Bad file descriptor) [pid 3812] close(11) = -1 EBADF (Bad file descriptor) [pid 3812] close(12) = -1 EBADF (Bad file descriptor) [pid 3812] close(13) = -1 EBADF (Bad file descriptor) [pid 3812] close(14) = -1 EBADF (Bad file descriptor) [pid 3812] close(15) = -1 EBADF (Bad file descriptor) [pid 3812] close(16) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./11/cgroup.cpu", [pid 3812] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3812] close(18 [pid 3619] unlink("./11/cgroup.cpu" [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(19 [pid 3619] <... unlink resumed>) = 0 [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(20 [pid 3619] getdents64(3, [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(21 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 3812] close(23) = -1 EBADF (Bad file descriptor) [pid 3619] <... close resumed>) = 0 [pid 3812] close(24) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./11" [pid 3812] close(25) = -1 EBADF (Bad file descriptor) [pid 3812] close(26) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 3812] close(27 [pid 3619] mkdir("./12", 0777 [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 70.276707][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.315715][ T3812] siw: device registration error -23 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3812] close(28 [pid 3619] <... mkdir resumed>) = 0 [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3815 attached [pid 3812] close(29 [pid 3815] chdir("./12" [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 14 [pid 3815] <... chdir resumed>) = 0 [pid 3812] exit_group(0 [pid 3815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3812] <... exit_group resumed>) = ? [pid 3815] <... prctl resumed>) = 0 [pid 3812] +++ exited with 0 +++ [pid 3815] setpgid(0, 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3815] <... setpgid resumed>) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] lstat("./15/cgroup.cpu", [pid 3815] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3815] <... symlink resumed>) = 0 [pid 3815] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3623] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3815] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3815] <... symlink resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3815] <... openat resumed>) = 3 [pid 3623] fstat(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3815] write(3, "1000", 4 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3815] <... write resumed>) = 4 [pid 3623] getdents64(3, [pid 3622] unlink("./15/cgroup.cpu" [pid 3815] close(3 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3815] <... close resumed>) = 0 [pid 3623] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3815] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3815] <... symlink resumed>) = 0 [pid 3623] lstat("./15/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3815] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] close(3 [pid 3815] <... socket resumed>) = 3 [pid 3623] unlink("./15/binderfs" [pid 3622] <... close resumed>) = 0 [pid 3815] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] rmdir("./15" [pid 3815] <... sendmsg resumed>) = 56 [pid 3623] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3815] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... rmdir resumed>) = 0 [pid 3815] <... openat resumed>) = 4 [pid 3623] lstat("./15/cgroup", [pid 3815] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./15/cgroup" [pid 3622] mkdir("./16", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./15/cgroup.net") = 0 [pid 3623] umount2("./15/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./15/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./15/cpuset.effective_cpus") = 0 [pid 3623] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./15/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./15") = 0 [pid 3623] mkdir("./16", 0777 [pid 3622] <... mkdir resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3816 attached [pid 3816] chdir("./16" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 18 [pid 3816] <... chdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3816] setpgid(0, 0) = 0 [pid 3816] symlink("/syzcgroup/unified/syz5", "./cgroup"./strace-static-x86_64: Process 3817 attached ) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 18 [pid 3816] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3817] chdir("./16" [pid 3816] <... symlink resumed>) = 0 [pid 3817] <... chdir resumed>) = 0 [pid 3816] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3816] <... symlink resumed>) = 0 [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3817] <... prctl resumed>) = 0 [ 70.343685][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.377303][ T3815] siw: device registration error -23 [pid 3816] write(3, "1000", 4) = 4 [pid 3816] close(3) = 0 [pid 3816] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3816] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3816] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3816] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3816] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3817] setpgid(0, 0) = 0 [pid 3817] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3817] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3817] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3816] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3817] <... openat resumed>) = 3 [pid 3817] write(3, "1000", 4) = 4 [pid 3817] close(3) = 0 [pid 3817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3817] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3817] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3817] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3817] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3816] close(3 [pid 3817] close(3) = 0 [pid 3817] close(4) = 0 [pid 3817] close(5) = -1 EBADF (Bad file descriptor) [pid 3817] close(6) = -1 EBADF (Bad file descriptor) [pid 3817] close(7) = -1 EBADF (Bad file descriptor) [pid 3817] close(8) = -1 EBADF (Bad file descriptor) [pid 3817] close(9) = -1 EBADF (Bad file descriptor) [pid 3817] close(10) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = 0 [pid 3817] close(11) = -1 EBADF (Bad file descriptor) [pid 3817] close(12) = -1 EBADF (Bad file descriptor) [pid 3817] close(13) = -1 EBADF (Bad file descriptor) [pid 3817] close(14) = -1 EBADF (Bad file descriptor) [pid 3817] close(15) = -1 EBADF (Bad file descriptor) [pid 3817] close(16 [pid 3816] close(4 [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = 0 [pid 3817] close(17 [ 70.417823][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.424428][ T3816] siw: device registration error -23 [pid 3816] close(5) = -1 EBADF (Bad file descriptor) [pid 3816] close(6 [pid 3815] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(7) = -1 EBADF (Bad file descriptor) [pid 3816] close(8) = -1 EBADF (Bad file descriptor) [pid 3815] close(3 [pid 3816] close(9 [pid 3815] <... close resumed>) = 0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(4 [pid 3816] close(10 [pid 3815] <... close resumed>) = 0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(5 [pid 3816] close(11 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(6 [pid 3816] close(12) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(13 [pid 3815] close(7 [pid 3817] close(18 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(14 [pid 3815] close(8 [pid 3817] close(19 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(15 [pid 3815] close(9 [pid 3817] close(20 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(16 [pid 3815] close(10 [pid 3817] close(21 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(17 [pid 3815] close(11 [pid 3817] close(22 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(18 [pid 3815] close(12 [pid 3817] close(23 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(19 [pid 3815] close(13 [pid 3817] close(24 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(20 [pid 3815] close(14 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(21 [pid 3815] close(15 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] close(25 [pid 3816] close(22 [pid 3815] close(16 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(23 [pid 3815] close(17 [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] close(26 [pid 3816] close(24 [pid 3815] close(18 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(25 [pid 3815] close(19 [pid 3817] close(27 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(26 [pid 3815] close(20 [pid 3817] close(28 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(27 [pid 3815] close(21 [pid 3817] close(29 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(28 [pid 3815] close(22 [pid 3817] exit_group(0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3817] <... exit_group resumed>) = ? [ 70.486858][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [pid 3816] close(29 [pid 3815] close(23 [pid 3817] +++ exited with 0 +++ [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] exit_group(0 [pid 3815] close(24 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3816] <... exit_group resumed>) = ? [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] +++ exited with 0 +++ [pid 3815] close(25) = -1 EBADF (Bad file descriptor) [pid 3815] close(26 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3815] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3815] close(28 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... openat resumed>) = 3 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3622] fstat(3, [pid 3815] close(29 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3622] getdents64(3, [pid 3815] exit_group(0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3815] <... exit_group resumed>) = ? [pid 3623] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3815] +++ exited with 0 +++ [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./16/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] lstat("./16/binderfs", [pid 3623] unlink("./16/binderfs") = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./16/binderfs" [pid 3623] lstat("./16/cgroup", [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./16/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3623] lstat("./16/cgroup.net", [pid 3622] lstat("./16/cgroup", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] getdents64(3, [pid 3623] unlink("./16/cgroup.net" [pid 3622] unlink("./16/cgroup" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./16/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./12/binderfs", [pid 3623] lstat("./16/cpuset.effective_cpus", [pid 3622] lstat("./16/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./12/binderfs" [pid 3623] unlink("./16/cpuset.effective_cpus" [pid 3622] unlink("./16/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./16/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./12/cgroup", [pid 3623] lstat("./16/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./16/cpuset.effective_cpus", [pid 3619] unlink("./12/cgroup" [pid 3623] unlink("./16/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./12/cgroup.net", [pid 3623] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] unlink("./12/cgroup.net" [pid 3623] rmdir("./16" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] umount2("./12/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] mkdir("./17", 0777 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3622] unlink("./16/cpuset.effective_cpus" [pid 3619] lstat("./12/cpuset.effective_cpus", [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 ./strace-static-x86_64: Process 3821 attached [pid 3622] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./12/cpuset.effective_cpus" [pid 3821] chdir("./17" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 19 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3821] <... chdir resumed>) = 0 [pid 3622] lstat("./16/cgroup.cpu", [pid 3619] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3821] <... prctl resumed>) = 0 [pid 3622] unlink("./16/cgroup.cpu" [pid 3619] lstat("./12/cgroup.cpu", [pid 3821] setpgid(0, 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3821] <... setpgid resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] unlink("./12/cgroup.cpu" [pid 3821] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3821] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3821] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] close(3 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3821] <... symlink resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] close(3 [pid 3821] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] rmdir("./16" [pid 3619] <... close resumed>) = 0 [pid 3821] <... symlink resumed>) = 0 [pid 3619] rmdir("./12" [pid 3821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3821] <... openat resumed>) = 3 [pid 3622] mkdir("./17", 0777 [pid 3619] mkdir("./13", 0777 [pid 3821] write(3, "1000", 4 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3821] <... write resumed>) = 4 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3823 attached ./strace-static-x86_64: Process 3822 attached [pid 3821] close(3 [pid 3823] chdir("./13" [pid 3822] chdir("./17" [pid 3821] <... close resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 19 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 15 [pid 3823] <... chdir resumed>) = 0 [pid 3822] <... chdir resumed>) = 0 [pid 3821] symlink("/dev/binderfs", "./binderfs" [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3821] <... symlink resumed>) = 0 [pid 3823] <... prctl resumed>) = 0 [pid 3822] <... prctl resumed>) = 0 [pid 3821] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3823] setpgid(0, 0 [pid 3822] setpgid(0, 0 [pid 3821] <... socket resumed>) = 3 [pid 3823] <... setpgid resumed>) = 0 [pid 3822] <... setpgid resumed>) = 0 [pid 3821] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3823] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3822] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3821] <... sendmsg resumed>) = 56 [pid 3823] <... symlink resumed>) = 0 [pid 3822] <... symlink resumed>) = 0 [pid 3821] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3823] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3822] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3821] <... openat resumed>) = 4 [pid 3823] <... symlink resumed>) = 0 [pid 3821] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3823] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3822] <... symlink resumed>) = 0 [pid 3823] <... symlink resumed>) = 0 [pid 3822] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3822] <... symlink resumed>) = 0 [pid 3823] write(3, "1000", 4 [pid 3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3823] <... write resumed>) = 4 [pid 3823] close(3 [pid 3822] <... openat resumed>) = 3 [pid 3823] <... close resumed>) = 0 [pid 3822] write(3, "1000", 4 [pid 3823] symlink("/dev/binderfs", "./binderfs" [pid 3822] <... write resumed>) = 4 [pid 3823] <... symlink resumed>) = 0 [pid 3822] close(3 [pid 3823] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3822] <... close resumed>) = 0 [pid 3823] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3822] symlink("/dev/binderfs", "./binderfs" [pid 3823] <... sendmsg resumed>) = 56 [pid 3823] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 70.675456][ T3821] siw: device registration error -23 [pid 3823] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3822] <... symlink resumed>) = 0 [pid 3822] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3822] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3822] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3822] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [ 70.721032][ T3823] siw: device registration error -23 [pid 3821] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3821] close(3) = 0 [pid 3821] close(4) = 0 [pid 3823] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3821] close(5) = -1 EBADF (Bad file descriptor) [pid 3821] close(6 [pid 3823] close(3 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = 0 [pid 3821] close(7 [pid 3823] close(4 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = 0 [pid 3822] close(3 [pid 3821] close(8 [pid 3823] close(5 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(9 [pid 3823] close(6 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] <... close resumed>) = 0 [pid 3821] close(10 [pid 3823] close(7 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(11 [pid 3823] close(8 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(4 [pid 3821] close(12 [pid 3823] close(9 [pid 3822] <... close resumed>) = 0 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(5 [pid 3821] close(13 [pid 3823] close(10 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(6 [pid 3821] close(14 [pid 3823] close(11 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(7 [pid 3821] close(15 [pid 3823] close(12 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(8 [pid 3821] close(16 [pid 3823] close(13 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(9 [pid 3821] close(17 [pid 3823] close(14 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(10 [pid 3821] close(18 [pid 3823] close(15 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(11 [pid 3821] close(19 [pid 3823] close(16 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(20 [pid 3823] close(17 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(21 [pid 3823] close(18 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(22 [pid 3823] close(19 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(12 [pid 3821] close(23 [pid 3823] close(20 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(13 [pid 3821] close(24 [pid 3823] close(21 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(14 [pid 3821] close(25 [pid 3823] close(22 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(15 [pid 3821] close(26 [pid 3823] close(23 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(16 [pid 3821] close(27 [pid 3823] close(24 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(28 [pid 3823] close(25 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] close(29 [pid 3823] close(26 [pid 3821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3821] exit_group(0 [pid 3823] close(27 [pid 3821] <... exit_group resumed>) = ? [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] close(17 [pid 3821] +++ exited with 0 +++ [pid 3823] close(28 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(29) = -1 EBADF (Bad file descriptor) [pid 3823] exit_group(0) = ? [pid 3823] +++ exited with 0 +++ [pid 3822] close(18 [pid 3623] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3822] close(19 [pid 3623] getdents64(3, [pid 3619] <... openat resumed>) = 3 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] fstat(3, [pid 3822] close(20 [pid 3623] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] lstat("./17/binderfs", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3822] close(21 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./17/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./13/binderfs", [pid 3623] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./13/binderfs" [pid 3822] close(22 [pid 3623] lstat("./17/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3822] close(23 [pid 3623] unlink("./17/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./13/cgroup", [pid 3822] close(24 [pid 3623] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./13/cgroup" [pid 3822] close(25 [pid 3623] lstat("./17/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3822] close(26 [pid 3623] unlink("./17/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./13/cgroup.net", [pid 3822] close(27 [pid 3623] umount2("./17/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./13/cgroup.net" [pid 3822] close(28 [pid 3623] lstat("./17/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./13/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3822] close(29 [pid 3623] unlink("./17/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./13/cpuset.effective_cpus", [pid 3822] exit_group(0 [pid 3623] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3822] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./13/cpuset.effective_cpus" [pid 3822] +++ exited with 0 +++ [pid 3623] lstat("./17/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./17/cgroup.cpu" [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] lstat("./13/cgroup.cpu", [pid 3623] getdents64(3, [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./13/cgroup.cpu" [pid 3623] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] rmdir("./17" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] close(3 [pid 3623] mkdir("./18", 0777 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] fstat(3, [pid 3619] rmdir("./13" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 3826 attached [pid 3622] getdents64(3, [pid 3619] mkdir("./14", 0777 [pid 3826] chdir("./18" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 20 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... mkdir resumed>) = 0 [pid 3826] <... chdir resumed>) = 0 [pid 3622] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3827 attached [pid 3826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] chdir("./14" [pid 3826] <... prctl resumed>) = 0 [pid 3622] lstat("./17/binderfs", [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 16 [pid 3827] <... chdir resumed>) = 0 [pid 3826] setpgid(0, 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3826] <... setpgid resumed>) = 0 [pid 3622] unlink("./17/binderfs" [pid 3827] <... prctl resumed>) = 0 [pid 3826] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... unlink resumed>) = 0 [pid 3827] setpgid(0, 0 [pid 3826] <... symlink resumed>) = 0 [pid 3622] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3827] <... setpgid resumed>) = 0 [pid 3826] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3826] <... symlink resumed>) = 0 [pid 3622] lstat("./17/cgroup", [pid 3827] <... symlink resumed>) = 0 [pid 3826] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3827] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3826] <... symlink resumed>) = 0 [pid 3622] unlink("./17/cgroup" [pid 3827] <... symlink resumed>) = 0 [pid 3826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... unlink resumed>) = 0 [pid 3827] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3826] <... openat resumed>) = 3 [pid 3622] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3827] <... symlink resumed>) = 0 [pid 3826] write(3, "1000", 4 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3826] <... write resumed>) = 4 [pid 3622] lstat("./17/cgroup.net", [pid 3827] <... openat resumed>) = 3 [pid 3826] close(3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3827] write(3, "1000", 4 [pid 3826] <... close resumed>) = 0 [pid 3622] unlink("./17/cgroup.net" [pid 3827] <... write resumed>) = 4 [pid 3826] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3827] close(3 [pid 3826] <... symlink resumed>) = 0 [pid 3622] umount2("./17/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3827] <... close resumed>) = 0 [pid 3826] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] symlink("/dev/binderfs", "./binderfs" [pid 3826] <... socket resumed>) = 3 [pid 3622] lstat("./17/cpuset.effective_cpus", [pid 3827] <... symlink resumed>) = 0 [pid 3826] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3827] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3826] <... sendmsg resumed>) = 56 [pid 3622] unlink("./17/cpuset.effective_cpus" [pid 3827] <... socket resumed>) = 3 [pid 3826] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... unlink resumed>) = 0 [pid 3827] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3826] <... openat resumed>) = 4 [pid 3622] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3827] <... sendmsg resumed>) = 56 [pid 3826] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] lstat("./17/cgroup.cpu", [pid 3827] <... openat resumed>) = 4 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3827] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [ 71.022478][ T3826] siw: device registration error -23 [ 71.028220][ T3827] siw: device registration error -23 [pid 3622] unlink("./17/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./17") = 0 [pid 3622] mkdir("./18", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3829 attached , child_tidptr=0x5555558f4690) = 20 [pid 3829] chdir("./18") = 0 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3829] setpgid(0, 0) = 0 [pid 3829] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3829] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3829] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3829] write(3, "1000", 4) = 4 [pid 3829] close(3) = 0 [pid 3829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3829] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3829] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3829] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3829] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3827] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3829] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3829] close(3) = 0 [pid 3829] close(4) = 0 [pid 3827] close(3 [pid 3829] close(5 [pid 3827] <... close resumed>) = 0 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(4 [pid 3829] close(6 [pid 3827] <... close resumed>) = 0 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(5 [pid 3829] close(7 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(6 [pid 3826] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3829] close(8 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(7 [pid 3829] close(9 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(8 [pid 3829] close(10 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] close(3 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(9 [pid 3826] <... close resumed>) = 0 [pid 3829] close(11 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] close(4 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(10 [pid 3826] <... close resumed>) = 0 [pid 3829] close(12 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] close(5 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(11 [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] close(13 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(12 [pid 3826] close(6 [pid 3829] close(14 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(13 [pid 3826] close(7 [pid 3829] close(15 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(14 [pid 3826] close(8 [pid 3829] close(16 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(15 [pid 3826] close(9 [pid 3829] close(17 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(16 [pid 3826] close(10 [pid 3829] close(18 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(17 [pid 3826] close(11 [pid 3829] close(19 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(18 [pid 3826] close(12 [pid 3829] close(20 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(19 [pid 3826] close(13 [pid 3829] close(21 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(20 [pid 3826] close(14 [pid 3829] close(22 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(21 [pid 3826] close(15 [pid 3829] close(23 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(22 [pid 3826] close(16 [pid 3829] close(24 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(23 [pid 3826] close(17 [pid 3829] close(25 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(24 [pid 3826] close(18 [pid 3829] close(26 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(25 [pid 3826] close(19 [pid 3829] close(27 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(26 [pid 3826] close(20 [pid 3829] close(28 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(27 [pid 3826] close(21 [pid 3829] close(29 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] close(28 [pid 3826] close(22 [pid 3829] exit_group(0 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... exit_group resumed>) = ? [pid 3827] close(29 [pid 3826] close(23 [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] +++ exited with 0 +++ [pid 3827] exit_group(0 [pid 3826] close(24 [pid 3827] <... exit_group resumed>) = ? [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3827] +++ exited with 0 +++ [pid 3826] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3826] close(26) = -1 EBADF (Bad file descriptor) [pid 3826] close(27 [pid 3619] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3826] close(28 [pid 3622] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3826] close(29 [pid 3622] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] fstat(3, [pid 3826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3826] exit_group(0 [pid 3622] fstat(3, [pid 3619] getdents64(3, [pid 3826] <... exit_group resumed>) = ? [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3826] +++ exited with 0 +++ [pid 3622] getdents64(3, [pid 3619] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./14/binderfs", [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] lstat("./18/binderfs", [pid 3619] unlink("./14/binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] unlink("./18/binderfs" [pid 3619] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./14/cgroup", [pid 3623] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] lstat("./18/cgroup", [pid 3619] unlink("./14/cgroup" [pid 3623] fstat(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] unlink("./18/cgroup" [pid 3619] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./14/cgroup.net", [pid 3623] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./18/cgroup.net", [pid 3619] unlink("./14/cgroup.net" [pid 3623] lstat("./18/binderfs", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./18/cgroup.net" [pid 3619] umount2("./14/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./18/binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./18/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./14/cpuset.effective_cpus", [pid 3623] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./18/cpuset.effective_cpus", [pid 3619] unlink("./14/cpuset.effective_cpus" [pid 3623] lstat("./18/cgroup", [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./18/cpuset.effective_cpus" [pid 3619] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./18/cgroup" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./14/cgroup.cpu", [pid 3623] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./18/cgroup.cpu", [pid 3619] unlink("./14/cgroup.cpu" [pid 3623] lstat("./18/cgroup.net", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./18/cgroup.cpu" [pid 3619] getdents64(3, [pid 3623] unlink("./18/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] close(3 [pid 3623] umount2("./18/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] close(3 [pid 3619] rmdir("./14" [pid 3623] lstat("./18/cpuset.effective_cpus", [pid 3622] <... close resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] rmdir("./18" [pid 3619] mkdir("./15", 0777 [pid 3623] unlink("./18/cpuset.effective_cpus" [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] mkdir("./19", 0777 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3832 attached [pid 3623] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 17 ./strace-static-x86_64: Process 3833 attached [pid 3832] chdir("./15" [pid 3623] lstat("./18/cgroup.cpu", [pid 3833] chdir("./19" [pid 3832] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 21 [pid 3833] <... chdir resumed>) = 0 [pid 3832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./18/cgroup.cpu" [pid 3833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3832] <... prctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3833] <... prctl resumed>) = 0 [pid 3832] setpgid(0, 0 [pid 3623] getdents64(3, [pid 3833] setpgid(0, 0 [pid 3832] <... setpgid resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3833] <... setpgid resumed>) = 0 [pid 3832] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] close(3 [pid 3833] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3832] <... symlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./18") = 0 [pid 3623] mkdir("./19", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3834 attached [pid 3834] chdir("./19" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 21 [pid 3834] <... chdir resumed>) = 0 [pid 3833] <... symlink resumed>) = 0 [pid 3832] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3833] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3832] <... symlink resumed>) = 0 [pid 3834] <... prctl resumed>) = 0 [pid 3834] setpgid(0, 0) = 0 [pid 3834] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3833] <... symlink resumed>) = 0 [pid 3832] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3834] <... symlink resumed>) = 0 [pid 3833] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3832] <... symlink resumed>) = 0 [pid 3834] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3833] <... symlink resumed>) = 0 [pid 3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3834] <... symlink resumed>) = 0 [pid 3833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3832] <... openat resumed>) = 3 [pid 3834] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3833] <... openat resumed>) = 3 [pid 3834] <... symlink resumed>) = 0 [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3834] write(3, "1000", 4) = 4 [pid 3834] close(3) = 0 [pid 3834] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3834] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3832] write(3, "1000", 4 [pid 3833] write(3, "1000", 4 [pid 3834] <... socket resumed>) = 3 [pid 3833] <... write resumed>) = 4 [pid 3832] <... write resumed>) = 4 [pid 3834] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3833] close(3 [pid 3832] close(3 [pid 3834] <... sendmsg resumed>) = 56 [pid 3833] <... close resumed>) = 0 [pid 3832] <... close resumed>) = 0 [pid 3834] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3833] symlink("/dev/binderfs", "./binderfs" [pid 3832] symlink("/dev/binderfs", "./binderfs" [pid 3834] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3833] <... symlink resumed>) = 0 [pid 3832] <... symlink resumed>) = 0 [pid 3833] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3832] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3833] <... socket resumed>) = 3 [pid 3832] <... socket resumed>) = 3 [pid 3833] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3832] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3833] <... sendmsg resumed>) = 56 [pid 3833] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3832] <... sendmsg resumed>) = 56 [pid 3833] <... openat resumed>) = 4 [pid 3832] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3833] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3832] <... openat resumed>) = 4 [pid 3832] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3832] close(3) = 0 [pid 3832] close(4) = 0 [pid 3832] close(5) = -1 EBADF (Bad file descriptor) [pid 3832] close(6) = -1 EBADF (Bad file descriptor) [pid 3832] close(7) = -1 EBADF (Bad file descriptor) [pid 3832] close(8) = -1 EBADF (Bad file descriptor) [pid 3832] close(9 [pid 3833] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(3 [pid 3832] close(10 [pid 3833] <... close resumed>) = 0 [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(4 [pid 3832] close(11 [pid 3834] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3833] <... close resumed>) = 0 [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(5 [pid 3832] close(12 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(6 [pid 3832] close(13 [pid 3834] close(3) = 0 [pid 3834] close(4 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] <... close resumed>) = 0 [pid 3833] close(7 [ 71.380057][ T3834] siw: device registration error -23 [ 71.403707][ T3832] siw: device registration error -23 [pid 3832] close(14 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(5 [pid 3833] close(8 [pid 3832] close(15 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(9 [pid 3832] close(16 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(10 [pid 3832] close(17 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(11 [pid 3832] close(18 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(12 [pid 3832] close(19 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(13 [pid 3832] close(20 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(14 [pid 3832] close(21 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(6 [pid 3833] close(15 [pid 3832] close(22 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(7 [pid 3833] close(16 [pid 3832] close(23 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(17 [pid 3832] close(24 [pid 3834] close(8 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(18 [pid 3832] close(25 [pid 3834] close(9 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(19 [pid 3832] close(26 [pid 3834] close(10 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(20 [pid 3832] close(27 [pid 3834] close(11 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(21 [pid 3832] close(28 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(22 [pid 3832] close(29 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(23 [pid 3832] exit_group(0 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... exit_group resumed>) = ? [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(24 [pid 3832] +++ exited with 0 +++ [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(25) = -1 EBADF (Bad file descriptor) [pid 3833] close(26) = -1 EBADF (Bad file descriptor) [pid 3833] close(27) = -1 EBADF (Bad file descriptor) [pid 3833] close(28) = -1 EBADF (Bad file descriptor) [pid 3833] close(29) = -1 EBADF (Bad file descriptor) [pid 3833] exit_group(0) = ? [pid 3834] close(12 [pid 3833] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3834] close(13) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] close(14 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3834] close(15 [pid 3619] <... openat resumed>) = 3 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3834] close(16 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] getdents64(3, [pid 3834] close(17 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3619] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] close(18 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3619] lstat("./15/binderfs", [pid 3834] close(19 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./15/binderfs" [pid 3834] close(20 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./19/binderfs", [pid 3619] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] close(21 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./19/binderfs" [pid 3619] lstat("./15/cgroup", [pid 3834] close(22 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./15/cgroup" [pid 3834] close(23 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./19/cgroup", [pid 3619] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] close(24 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./19/cgroup" [pid 3619] lstat("./15/cgroup.net", [pid 3834] close(25 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./15/cgroup.net" [pid 3834] close(26 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./19/cgroup.net", [pid 3619] umount2("./15/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3834] close(27 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./19/cgroup.net" [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./15/cpuset.effective_cpus", [pid 3834] close(28 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./19/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./15/cpuset.effective_cpus" [pid 3834] close(29 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3622] lstat("./19/cpuset.effective_cpus", [pid 3834] exit_group(0 [pid 3619] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] <... exit_group resumed>) = ? [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] unlink("./19/cpuset.effective_cpus" [pid 3619] lstat("./15/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./15/cgroup.cpu" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3623] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./19/cgroup.cpu", [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./15" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./19/cgroup.cpu" [pid 3619] mkdir("./16", 0777 [pid 3622] <... unlink resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] getdents64(3, [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 3840 attached [pid 3622] close(3 [pid 3623] getdents64(3, [pid 3840] chdir("./16" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... close resumed>) = 0 [pid 3623] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] rmdir("./19" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 18 [pid 3840] <... chdir resumed>) = 0 [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3840] setpgid(0, 0 [pid 3623] lstat("./19/binderfs", [pid 3622] <... rmdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] mkdir("./20", 0777 [pid 3623] unlink("./19/binderfs" [pid 3840] <... setpgid resumed>) = 0 [pid 3840] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3840] <... symlink resumed>) = 0 [pid 3623] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] lstat("./19/cgroup", [pid 3840] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3840] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 ./strace-static-x86_64: Process 3841 attached [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 22 [pid 3840] <... openat resumed>) = 3 [pid 3840] write(3, "1000", 4) = 4 [pid 3840] close(3) = 0 [pid 3840] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3840] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3840] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3841] chdir("./20" [pid 3840] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] unlink("./19/cgroup" [pid 3841] <... chdir resumed>) = 0 [pid 3840] <... openat resumed>) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 3841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3840] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3841] <... prctl resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./19/cgroup.net", [pid 3841] setpgid(0, 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3841] <... setpgid resumed>) = 0 [pid 3623] unlink("./19/cgroup.net" [pid 3841] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3841] <... symlink resumed>) = 0 [pid 3623] umount2("./19/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3841] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] lstat("./19/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3841] <... symlink resumed>) = 0 [pid 3623] unlink("./19/cpuset.effective_cpus" [pid 3841] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3841] <... symlink resumed>) = 0 [pid 3623] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3841] <... openat resumed>) = 3 [pid 3841] write(3, "1000", 4 [pid 3623] lstat("./19/cgroup.cpu", [pid 3841] <... write resumed>) = 4 [pid 3841] close(3) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 71.593177][ T3840] siw: device registration error -23 [pid 3841] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] unlink("./19/cgroup.cpu" [pid 3841] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... unlink resumed>) = 0 [pid 3841] <... socket resumed>) = 3 [pid 3623] getdents64(3, [pid 3841] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3841] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] close(3 [pid 3841] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./19") = 0 [pid 3623] mkdir("./20", 0777 [pid 3841] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3840] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3623] <... mkdir resumed>) = 0 [pid 3840] close(3) = 0 [pid 3840] close(4) = 0 [pid 3840] close(5) = -1 EBADF (Bad file descriptor) [pid 3840] close(6) = -1 EBADF (Bad file descriptor) [pid 3840] close(7) = -1 EBADF (Bad file descriptor) [pid 3840] close(8) = -1 EBADF (Bad file descriptor) [pid 3840] close(9 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(10) = -1 EBADF (Bad file descriptor) [pid 3840] close(11) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3845 attached [pid 3845] chdir("./20" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 22 [pid 3845] <... chdir resumed>) = 0 [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3845] setpgid(0, 0) = 0 [pid 3845] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3841] close(3 [pid 3845] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3841] <... close resumed>) = 0 [pid 3845] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3841] close(4 [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3840] close(12 [pid 3841] <... close resumed>) = 0 [pid 3845] <... openat resumed>) = 3 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] close(5 [pid 3845] write(3, "1000", 4 [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(13 [pid 3845] <... write resumed>) = 4 [pid 3841] close(6 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(3 [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(14 [pid 3845] <... close resumed>) = 0 [pid 3841] close(7 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] symlink("/dev/binderfs", "./binderfs" [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... symlink resumed>) = 0 [pid 3841] close(8 [pid 3840] close(15 [pid 3845] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... socket resumed>) = 3 [pid 3841] close(9 [pid 3840] close(16 [pid 3845] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... sendmsg resumed>) = 56 [pid 3840] close(17 [pid 3845] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... openat resumed>) = 4 [pid 3841] close(10 [pid 3840] close(18 [pid 3845] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3840] close(19 [pid 3845] close(3 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = 0 [pid 3840] close(20 [pid 3845] close(4 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = 0 [pid 3840] close(21 [pid 3845] close(5 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(22 [pid 3845] close(6 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(23 [pid 3845] close(7 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(24 [pid 3845] close(8 [pid 3841] close(11 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(25 [pid 3845] close(9 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(26 [pid 3845] close(10 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] close(12 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(27 [pid 3845] close(11 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] close(13 [pid 3840] close(28 [pid 3845] close(12 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(29 [pid 3845] close(13 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] exit_group(0 [pid 3845] close(14 [pid 3840] <... exit_group resumed>) = ? [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] +++ exited with 0 +++ [pid 3845] close(15 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(16) = -1 EBADF (Bad file descriptor) [pid 3845] close(17) = -1 EBADF (Bad file descriptor) [pid 3845] close(18 [pid 3841] close(14 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [ 71.722090][ T3845] siw: device registration error -23 [pid 3845] close(20 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3845] close(21 [pid 3619] <... openat resumed>) = 3 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 3845] close(22 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3845] close(23 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3845] close(24 [pid 3841] close(15 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./16/binderfs", [pid 3845] close(25 [pid 3841] close(16 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./16/binderfs" [pid 3845] close(26 [pid 3841] close(17 [pid 3619] <... unlink resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3845] close(27 [pid 3841] close(18 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./16/cgroup", [pid 3845] close(28 [pid 3841] close(19 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./16/cgroup" [pid 3845] close(29 [pid 3841] close(20 [pid 3619] <... unlink resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3845] exit_group(0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] <... exit_group resumed>) = ? [pid 3619] lstat("./16/cgroup.net", [pid 3845] +++ exited with 0 +++ [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./16/cgroup.net" [pid 3841] close(21 [pid 3619] <... unlink resumed>) = 0 [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./16/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./16/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3841] close(22 [pid 3619] unlink("./16/cpuset.effective_cpus" [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./16/cgroup.cpu" [pid 3841] close(23 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./16" [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./17", 0777 [pid 3841] close(24 [pid 3623] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3849 attached [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3841] close(25 [pid 3623] fstat(3, [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 19 [pid 3849] chdir("./17") = 0 [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3841] close(26 [pid 3623] getdents64(3, [pid 3849] <... prctl resumed>) = 0 [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3841] close(27 [pid 3849] setpgid(0, 0 [pid 3623] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] close(28 [pid 3849] <... setpgid resumed>) = 0 [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3841] close(29 [pid 3623] lstat("./20/binderfs", [pid 3841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3849] <... symlink resumed>) = 0 [pid 3841] exit_group(0 [pid 3623] unlink("./20/binderfs" [pid 3849] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3841] <... exit_group resumed>) = ? [pid 3623] <... unlink resumed>) = 0 [pid 3841] +++ exited with 0 +++ [pid 3623] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3849] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3849] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] lstat("./20/cgroup", [pid 3622] <... restart_syscall resumed>) = 0 [pid 3849] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] unlink("./20/cgroup" [pid 3849] <... openat resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3849] write(3, "1000", 4 [pid 3623] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] <... write resumed>) = 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] close(3 [pid 3623] lstat("./20/cgroup.net", [pid 3849] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3849] symlink("/dev/binderfs", "./binderfs" [pid 3623] unlink("./20/cgroup.net" [pid 3849] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] umount2("./20/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] <... socket resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./20/binderfs" [pid 3849] <... sendmsg resumed>) = 56 [pid 3623] lstat("./20/cpuset.effective_cpus", [pid 3622] <... unlink resumed>) = 0 [pid 3849] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./20/cgroup", [pid 3849] <... openat resumed>) = 4 [pid 3623] unlink("./20/cpuset.effective_cpus" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3849] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] unlink("./20/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./20/cgroup.net") = 0 [pid 3622] umount2("./20/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./20/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./20/cpuset.effective_cpus" [pid 3623] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./20/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./20/cgroup.cpu", [pid 3623] unlink("./20/cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./20/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3 [pid 3622] close(3 [pid 3623] <... close resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3623] rmdir("./20" [pid 3622] rmdir("./20" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] mkdir("./21", 0777 [pid 3622] mkdir("./21", 0777) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3851 attached [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3851] chdir("./21" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 23 [pid 3851] <... chdir resumed>) = 0 [pid 3851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3851] setpgid(0, 0./strace-static-x86_64: Process 3852 attached ) = 0 [pid 3852] chdir("./21" [pid 3851] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 23 [pid 3852] <... chdir resumed>) = 0 [pid 3851] <... symlink resumed>) = 0 [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3851] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3852] <... prctl resumed>) = 0 [pid 3851] <... symlink resumed>) = 0 [pid 3852] setpgid(0, 0 [pid 3851] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3852] <... setpgid resumed>) = 0 [pid 3851] <... symlink resumed>) = 0 [pid 3852] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3852] <... symlink resumed>) = 0 [pid 3851] <... openat resumed>) = 3 [pid 3852] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3851] write(3, "1000", 4 [pid 3852] <... symlink resumed>) = 0 [pid 3851] <... write resumed>) = 4 [pid 3852] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3851] close(3 [pid 3852] <... symlink resumed>) = 0 [pid 3851] <... close resumed>) = 0 [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3851] symlink("/dev/binderfs", "./binderfs" [pid 3852] <... openat resumed>) = 3 [pid 3851] <... symlink resumed>) = 0 [pid 3852] write(3, "1000", 4 [ 71.912881][ T3849] siw: device registration error -23 [pid 3851] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3852] <... write resumed>) = 4 [pid 3851] <... socket resumed>) = 3 [pid 3852] close(3 [pid 3851] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3852] <... close resumed>) = 0 [pid 3851] <... sendmsg resumed>) = 56 [pid 3852] symlink("/dev/binderfs", "./binderfs" [pid 3851] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3852] <... symlink resumed>) = 0 [pid 3851] <... openat resumed>) = 4 [pid 3852] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3851] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3852] <... socket resumed>) = 3 [pid 3851] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3849] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3852] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3852] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3852] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3852] close(3) = 0 [pid 3852] close(4) = 0 [pid 3852] close(5) = -1 EBADF (Bad file descriptor) [pid 3852] close(6) = -1 EBADF (Bad file descriptor) [pid 3852] close(7) = -1 EBADF (Bad file descriptor) [pid 3851] close(3 [pid 3852] close(8) = -1 EBADF (Bad file descriptor) [pid 3851] <... close resumed>) = 0 [pid 3852] close(9 [pid 3851] close(4 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] <... close resumed>) = 0 [pid 3852] close(10 [pid 3851] close(5 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(11 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(6 [pid 3849] close(3 [pid 3852] close(12 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(7 [pid 3849] <... close resumed>) = 0 [pid 3852] close(13 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(8 [pid 3852] close(14 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(4 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(9 [pid 3849] <... close resumed>) = 0 [pid 3852] close(15 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(10 [pid 3849] close(5 [pid 3852] close(16 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(11 [pid 3852] close(17 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(12 [pid 3852] close(18 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(13 [pid 3852] close(19 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(14 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(20 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(6 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(15 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(21 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(7 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(16 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(22 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(8 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(17 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(23 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(18 [pid 3852] close(24 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(19 [pid 3852] close(25 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(20 [pid 3852] close(26 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(21 [pid 3852] close(27 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(22 [pid 3852] close(28 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(23 [pid 3852] close(29 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] close(24 [pid 3852] exit_group(0 [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... exit_group resumed>) = ? [pid 3851] close(25 [pid 3852] +++ exited with 0 +++ [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(9 [pid 3851] close(26 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(10 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3851] close(27 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(11 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3851] close(28 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(12 [pid 3851] close(29 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(13 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3851] exit_group(0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3851] <... exit_group resumed>) = ? [pid 3849] close(14 [pid 3623] <... openat resumed>) = 3 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3849] close(15 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3851] +++ exited with 0 +++ [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 72.004400][ T3852] siw: device registration error -23 [pid 3623] getdents64(3, [pid 3849] close(16 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3849] close(17 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./21/binderfs", [pid 3622] <... restart_syscall resumed>) = 0 [pid 3849] close(18 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./21/binderfs" [pid 3849] close(19 [pid 3623] <... unlink resumed>) = 0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] close(20 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./21/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] close(21 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./21/cgroup" [pid 3849] close(22 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 3849] close(23 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./21/cgroup.net", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3849] close(24 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./21/cgroup.net" [pid 3849] close(25 [pid 3623] <... unlink resumed>) = 0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./21/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] close(26 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./21/cpuset.effective_cpus", [pid 3622] getdents64(3, [pid 3849] close(27 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./21/cpuset.effective_cpus" [pid 3849] close(28 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] close(29 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./21/cgroup.cpu", [pid 3622] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] <... exit_group resumed>) = ? [pid 3623] unlink("./21/cgroup.cpu" [pid 3622] lstat("./21/binderfs", [pid 3849] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] close(3 [pid 3622] unlink("./21/binderfs" [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./21") = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] mkdir("./22", 0777 [pid 3622] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... mkdir resumed>) = 0 [pid 3619] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3856 attached [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] chdir("./22" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 24 [pid 3856] <... chdir resumed>) = 0 [pid 3622] lstat("./21/cgroup", [pid 3619] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3856] <... prctl resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3856] setpgid(0, 0 [pid 3622] unlink("./21/cgroup" [pid 3856] <... setpgid resumed>) = 0 [pid 3856] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3856] <... symlink resumed>) = 0 [pid 3622] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3856] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3856] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] getdents64(3, [pid 3622] lstat("./21/cgroup.net", [pid 3856] <... symlink resumed>) = 0 [pid 3856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3856] <... openat resumed>) = 3 [pid 3622] unlink("./21/cgroup.net" [pid 3619] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3856] write(3, "1000", 4) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] close(3 [pid 3622] umount2("./21/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./17/binderfs", [pid 3856] <... close resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] symlink("/dev/binderfs", "./binderfs" [pid 3622] lstat("./21/cpuset.effective_cpus", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3856] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3856] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] unlink("./21/cpuset.effective_cpus" [pid 3619] unlink("./17/binderfs" [pid 3856] <... socket resumed>) = 3 [pid 3856] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3856] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3856] <... openat resumed>) = 4 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] lstat("./21/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./17/cgroup", [pid 3622] unlink("./21/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./17/cgroup" [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... close resumed>) = 0 [pid 3619] lstat("./17/cgroup.net", [pid 3622] rmdir("./21" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] unlink("./17/cgroup.net" [pid 3622] mkdir("./22", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] umount2("./17/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3858 attached [pid 3619] lstat("./17/cpuset.effective_cpus", [pid 3858] chdir("./22" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 24 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3858] <... chdir resumed>) = 0 [pid 3619] unlink("./17/cpuset.effective_cpus" [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... unlink resumed>) = 0 [pid 3858] <... prctl resumed>) = 0 [pid 3858] setpgid(0, 0 [pid 3619] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3858] <... setpgid resumed>) = 0 [pid 3858] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3858] <... symlink resumed>) = 0 [pid 3619] lstat("./17/cgroup.cpu", [pid 3858] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3858] <... symlink resumed>) = 0 [pid 3619] unlink("./17/cgroup.cpu" [ 72.146686][ T3856] siw: device registration error -23 [pid 3858] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3858] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3858] <... openat resumed>) = 3 [pid 3619] close(3 [pid 3858] write(3, "1000", 4 [pid 3619] <... close resumed>) = 0 [pid 3858] <... write resumed>) = 4 [pid 3619] rmdir("./17" [pid 3858] close(3 [pid 3619] <... rmdir resumed>) = 0 [pid 3858] <... close resumed>) = 0 [pid 3619] mkdir("./18", 0777 [pid 3858] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... mkdir resumed>) = 0 [pid 3858] <... symlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3860 attached [pid 3858] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3860] chdir("./18" [pid 3858] <... socket resumed>) = 3 [pid 3860] <... chdir resumed>) = 0 [pid 3858] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 20 [pid 3860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3858] <... sendmsg resumed>) = 56 [pid 3860] <... prctl resumed>) = 0 [pid 3858] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3860] setpgid(0, 0 [pid 3858] <... openat resumed>) = 4 [pid 3860] <... setpgid resumed>) = 0 [pid 3858] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3860] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3858] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3860] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3858] close(3 [pid 3860] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3858] <... close resumed>) = 0 [pid 3860] <... symlink resumed>) = 0 [pid 3858] close(4) = 0 [pid 3860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3858] close(5) = -1 EBADF (Bad file descriptor) [pid 3860] <... openat resumed>) = 3 [pid 3858] close(6) = -1 EBADF (Bad file descriptor) [pid 3860] write(3, "1000", 4 [pid 3858] close(7) = -1 EBADF (Bad file descriptor) [pid 3860] <... write resumed>) = 4 [pid 3858] close(8) = -1 EBADF (Bad file descriptor) [pid 3860] close(3 [pid 3858] close(9) = -1 EBADF (Bad file descriptor) [ 72.236987][ T11] device hsr_slave_0 left promiscuous mode [ 72.249248][ T11] device hsr_slave_1 left promiscuous mode [ 72.250860][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [pid 3860] <... close resumed>) = 0 [pid 3858] close(10 [pid 3856] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(11) = -1 EBADF (Bad file descriptor) [pid 3858] close(12) = -1 EBADF (Bad file descriptor) [pid 3858] close(13) = -1 EBADF (Bad file descriptor) [pid 3858] close(14) = -1 EBADF (Bad file descriptor) [pid 3858] close(15) = -1 EBADF (Bad file descriptor) [pid 3858] close(16) = -1 EBADF (Bad file descriptor) [pid 3858] close(17) = -1 EBADF (Bad file descriptor) [pid 3858] close(18) = -1 EBADF (Bad file descriptor) [pid 3858] close(19 [pid 3860] symlink("/dev/binderfs", "./binderfs" [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(3 [pid 3858] close(20) = -1 EBADF (Bad file descriptor) [pid 3858] close(21) = -1 EBADF (Bad file descriptor) [pid 3858] close(22) = -1 EBADF (Bad file descriptor) [pid 3858] close(23) = -1 EBADF (Bad file descriptor) [pid 3858] close(24) = -1 EBADF (Bad file descriptor) [pid 3858] close(25) = -1 EBADF (Bad file descriptor) [pid 3858] close(26) = -1 EBADF (Bad file descriptor) [pid 3858] close(27) = -1 EBADF (Bad file descriptor) [pid 3858] close(28) = -1 EBADF (Bad file descriptor) [pid 3858] close(29) = -1 EBADF (Bad file descriptor) [pid 3858] exit_group(0) = ? [pid 3860] <... symlink resumed>) = 0 [pid 3858] +++ exited with 0 +++ [pid 3856] <... close resumed>) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3622] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, [pid 3860] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3856] close(4 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3860] <... socket resumed>) = 3 [pid 3856] <... close resumed>) = 0 [pid 3622] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3856] close(5 [pid 3622] unlink("./22/binderfs" [pid 3860] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3860] <... sendmsg resumed>) = 56 [pid 3856] close(6 [ 72.250895][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.253122][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.253146][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [pid 3860] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3860] <... openat resumed>) = 4 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./22/cgroup") = 0 [pid 3622] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./22/cgroup.net") = 0 [pid 3622] umount2("./22/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./22/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./22/cpuset.effective_cpus") = 0 [pid 3856] close(7 [pid 3622] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3860] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./22/cgroup.cpu" [pid 3856] close(8 [pid 3622] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3856] close(9 [pid 3622] close(3 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... close resumed>) = 0 [pid 3856] close(10 [pid 3622] rmdir("./22" [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... rmdir resumed>) = 0 [pid 3856] close(11 [pid 3622] mkdir("./23", 0777 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... mkdir resumed>) = 0 [pid 3856] close(12 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3861 attached [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 25 [pid 3861] chdir("./23" [pid 3856] close(13 [pid 3861] <... chdir resumed>) = 0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3856] close(14 [pid 3861] setpgid(0, 0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... setpgid resumed>) = 0 [pid 3856] close(15 [pid 3861] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... symlink resumed>) = 0 [pid 3856] close(16 [pid 3861] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... symlink resumed>) = 0 [pid 3856] close(17 [pid 3861] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... symlink resumed>) = 0 [pid 3856] close(18 [pid 3861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... openat resumed>) = 3 [pid 3856] close(19 [pid 3861] write(3, "1000", 4 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... write resumed>) = 4 [pid 3856] close(20 [pid 3861] close(3 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... close resumed>) = 0 [ 72.281603][ T11] device bridge_slave_1 left promiscuous mode [pid 3856] close(21 [pid 3861] symlink("/dev/binderfs", "./binderfs" [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... symlink resumed>) = 0 [pid 3856] close(22 [pid 3861] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(23 [pid 3861] <... socket resumed>) = 3 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3856] close(24 [pid 3861] <... sendmsg resumed>) = 56 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3856] close(25 [pid 3861] <... openat resumed>) = 4 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3856] close(26) = -1 EBADF (Bad file descriptor) [pid 3861] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3856] close(27 [pid 3861] close(3 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(28 [pid 3861] <... close resumed>) = 0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(4 [pid 3856] close(29 [pid 3861] <... close resumed>) = 0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(5 [pid 3856] exit_group(0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] <... exit_group resumed>) = ? [pid 3861] close(6) = -1 EBADF (Bad file descriptor) [pid 3856] +++ exited with 0 +++ [pid 3860] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3861] close(7) = -1 EBADF (Bad file descriptor) [pid 3860] close(3 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3861] close(8 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3861] close(9 [pid 3860] <... close resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3861] close(10 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] close(4 [pid 3623] getdents64(3, [pid 3861] close(11 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = 0 [pid 3623] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 72.281739][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.284186][ T11] device bridge_slave_0 left promiscuous mode [ 72.284313][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [pid 3861] close(12 [pid 3860] close(5 [pid 3623] unlink("./22/binderfs") = 0 [pid 3623] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./22/cgroup") = 0 [pid 3623] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./22/cgroup.net" [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./22/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./22/cpuset.effective_cpus", [pid 3861] close(13 [pid 3860] close(6 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./22/cpuset.effective_cpus" [pid 3861] close(14 [pid 3860] close(7 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./22/cgroup.cpu") = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./22") = 0 [pid 3623] mkdir("./23", 0777 [pid 3861] close(15 [pid 3860] close(8 [pid 3623] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3863 attached [pid 3863] chdir("./23" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 25 [pid 3863] <... chdir resumed>) = 0 [pid 3863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3863] setpgid(0, 0) = 0 [pid 3863] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3863] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3863] write(3, "1000", 4) = 4 [pid 3861] close(16 [pid 3860] close(9 [pid 3863] close(3) = 0 [pid 3863] symlink("/dev/binderfs", "./binderfs") = 0 [ 72.311817][ T11] device hsr_slave_0 left promiscuous mode [ 72.325626][ T11] device hsr_slave_1 left promiscuous mode [ 72.328084][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.328117][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [pid 3863] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3863] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3861] close(17 [pid 3863] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3860] close(10 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(18 [pid 3860] close(11 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] close(12 [pid 3861] close(19 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] close(13 [pid 3861] close(20) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(21 [pid 3860] close(14 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 72.331471][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.331496][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.334185][ T3860] siw: device registration error -23 [ 72.337154][ T11] device bridge_slave_1 left promiscuous mode [pid 3860] close(15 [pid 3861] close(22 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] close(16 [pid 3861] close(23 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(24) = -1 EBADF (Bad file descriptor) [pid 3861] close(25) = -1 EBADF (Bad file descriptor) [pid 3861] close(26) = -1 EBADF (Bad file descriptor) [pid 3861] close(27) = -1 EBADF (Bad file descriptor) [pid 3861] close(28) = -1 EBADF (Bad file descriptor) [pid 3861] close(29) = -1 EBADF (Bad file descriptor) [pid 3861] exit_group(0 [pid 3860] close(17 [pid 3861] <... exit_group resumed>) = ? [pid 3861] +++ exited with 0 +++ [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3622] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3860] close(18 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./23/binderfs", [pid 3860] close(19 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 72.337295][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.347692][ T11] device bridge_slave_0 left promiscuous mode [ 72.347807][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [pid 3622] unlink("./23/binderfs" [pid 3860] close(20 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./23/cgroup") = 0 [pid 3622] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./23/cgroup.net") = 0 [pid 3622] umount2("./23/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./23/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./23/cpuset.effective_cpus") = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3860] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./23/cgroup.cpu", [pid 3860] close(22 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./23/cgroup.cpu" [pid 3860] close(23 [pid 3622] <... unlink resumed>) = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3860] close(24 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] close(3 [pid 3860] close(25 [pid 3622] <... close resumed>) = 0 [pid 3622] rmdir("./23" [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... rmdir resumed>) = 0 [pid 3860] close(26 [pid 3622] mkdir("./24", 0777 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3865 attached [pid 3860] close(27 [pid 3865] chdir("./24" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 26 [pid 3865] <... chdir resumed>) = 0 [pid 3865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3865] setpgid(0, 0) = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3860] close(28 [pid 3865] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3863] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3860] close(29 [pid 3865] <... openat resumed>) = 3 [pid 3863] close(3 [pid 3865] write(3, "1000", 4 [pid 3863] <... close resumed>) = 0 [pid 3865] <... write resumed>) = 4 [pid 3863] close(4 [pid 3865] close(3 [pid 3863] <... close resumed>) = 0 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] <... close resumed>) = 0 [pid 3863] close(5 [pid 3865] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3863] close(6 [pid 3860] exit_group(0 [pid 3865] <... socket resumed>) = 3 [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... exit_group resumed>) = ? [pid 3865] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3863] close(7 [pid 3865] <... sendmsg resumed>) = 56 [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3863] close(8 [pid 3865] <... openat resumed>) = 4 [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3863] close(9 [pid 3865] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 72.392329][ T11] device veth1_macvtap left promiscuous mode [ 72.392391][ T11] device veth0_macvtap left promiscuous mode [ 72.392560][ T11] device veth1_vlan left promiscuous mode [pid 3865] close(3 [pid 3863] close(10 [pid 3860] +++ exited with 0 +++ [pid 3865] <... close resumed>) = 0 [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(4 [pid 3863] close(11 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3865] <... close resumed>) = 0 [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3865] close(5 [pid 3863] close(12 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(6 [pid 3863] close(13 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] close(7 [pid 3863] close(14 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3865] close(8 [pid 3863] close(15 [pid 3619] <... openat resumed>) = 3 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 3865] close(9 [pid 3863] close(16 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3865] close(10 [pid 3863] close(17 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] close(11 [pid 3863] close(18 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./18/binderfs", [pid 3865] close(12 [pid 3863] close(19 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./18/binderfs" [pid 3865] close(13 [pid 3863] close(20 [pid 3619] <... unlink resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] close(14 [pid 3863] close(21 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./18/cgroup", [pid 3865] close(15 [pid 3863] close(22 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./18/cgroup" [pid 3865] close(16 [pid 3863] close(23 [pid 3619] <... unlink resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] close(17 [pid 3863] close(24 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./18/cgroup.net", [pid 3865] close(18 [pid 3863] close(25 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./18/cgroup.net" [pid 3865] close(19 [pid 3863] close(26 [pid 3619] <... unlink resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./18/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] close(20 [pid 3863] close(27 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./18/cpuset.effective_cpus", [pid 3865] close(21 [pid 3863] close(28 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./18/cpuset.effective_cpus" [pid 3865] close(22 [pid 3863] close(29 [pid 3619] <... unlink resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] close(23 [pid 3863] exit_group(0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3863] <... exit_group resumed>) = ? [ 72.392652][ T11] device veth0_vlan left promiscuous mode [ 72.396752][ T11] device veth1_macvtap left promiscuous mode [ 72.396816][ T11] device veth0_macvtap left promiscuous mode [ 72.397587][ T11] device veth1_vlan left promiscuous mode [pid 3619] lstat("./18/cgroup.cpu", [pid 3865] close(24 [pid 3863] +++ exited with 0 +++ [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] unlink("./18/cgroup.cpu" [pid 3865] close(25 [pid 3619] <... unlink resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3865] close(26 [pid 3623] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] close(3 [pid 3865] close(27 [pid 3623] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... close resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] rmdir("./18" [pid 3865] close(28 [pid 3623] fstat(3, [pid 3619] <... rmdir resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] mkdir("./19", 0777 [pid 3865] close(29 [pid 3623] getdents64(3, [pid 3619] <... mkdir resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3865] exit_group(0 [pid 3623] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3865] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 21 ./strace-static-x86_64: Process 3866 attached [pid 3865] +++ exited with 0 +++ [pid 3623] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] unlink("./23/binderfs") = 0 [pid 3866] chdir("./19" [pid 3623] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] <... chdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./23/cgroup") = 0 [pid 3623] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] <... prctl resumed>) = 0 [pid 3623] lstat("./23/cgroup.net", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3866] setpgid(0, 0 [pid 3623] unlink("./23/cgroup.net" [pid 3866] <... setpgid resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3866] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] fstat(3, [pid 3866] <... symlink resumed>) = 0 [pid 3623] umount2("./23/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3866] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3866] <... symlink resumed>) = 0 [pid 3623] lstat("./23/cpuset.effective_cpus", [pid 3866] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3866] <... symlink resumed>) = 0 [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3866] write(3, "1000", 4) = 4 [pid 3866] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] <... close resumed>) = 0 [pid 3623] unlink("./23/cpuset.effective_cpus" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3866] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3866] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 72.397686][ T11] device veth0_vlan left promiscuous mode [ 72.500125][ T3863] siw: device registration error -23 [pid 3866] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... unlink resumed>) = 0 [pid 3866] <... sendmsg resumed>) = 56 [pid 3622] lstat("./24/binderfs", [pid 3623] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3866] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] lstat("./23/cgroup.cpu", [pid 3622] unlink("./24/binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] unlink("./23/cgroup.cpu" [pid 3622] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3622] lstat("./24/cgroup", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] close(3 [pid 3622] unlink("./24/cgroup" [pid 3623] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] rmdir("./23" [pid 3622] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./24", 0777 [pid 3622] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./24/cgroup.net") = 0 [pid 3622] umount2("./24/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./24/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] unlink("./24/cpuset.effective_cpus") = 0 [pid 3622] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./24/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./24") = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] mkdir("./25", 0777) = 0 [ 72.778591][ T3866] siw: device registration error -23 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3867 attached ./strace-static-x86_64: Process 3868 attached [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 26 [pid 3867] chdir("./24" [pid 3868] chdir("./25" [pid 3867] <... chdir resumed>) = 0 [pid 3868] <... chdir resumed>) = 0 [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3867] <... prctl resumed>) = 0 [pid 3868] <... prctl resumed>) = 0 [pid 3867] setpgid(0, 0 [pid 3868] setpgid(0, 0 [pid 3867] <... setpgid resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 27 [pid 3868] <... setpgid resumed>) = 0 [pid 3867] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3868] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3867] <... symlink resumed>) = 0 [pid 3868] <... symlink resumed>) = 0 [pid 3867] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3868] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3867] <... symlink resumed>) = 0 [pid 3868] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3867] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3868] <... symlink resumed>) = 0 [pid 3867] <... symlink resumed>) = 0 [pid 3868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3868] <... openat resumed>) = 3 [pid 3867] <... openat resumed>) = 3 [pid 3868] write(3, "1000", 4 [pid 3867] write(3, "1000", 4 [pid 3868] <... write resumed>) = 4 [pid 3867] <... write resumed>) = 4 [pid 3868] close(3 [pid 3867] close(3 [pid 3868] <... close resumed>) = 0 [pid 3867] <... close resumed>) = 0 [pid 3868] symlink("/dev/binderfs", "./binderfs" [pid 3867] symlink("/dev/binderfs", "./binderfs" [pid 3868] <... symlink resumed>) = 0 [pid 3867] <... symlink resumed>) = 0 [pid 3868] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3867] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3868] <... socket resumed>) = 3 [pid 3867] <... socket resumed>) = 3 [pid 3868] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3867] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3868] <... sendmsg resumed>) = 56 [pid 3868] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3867] <... sendmsg resumed>) = 56 [pid 3868] <... openat resumed>) = 4 [pid 3867] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3868] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3867] <... openat resumed>) = 4 [pid 3867] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3866] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3866] close(3) = 0 [pid 3866] close(4 [pid 3867] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3866] <... close resumed>) = 0 [pid 3867] close(3) = 0 [pid 3867] close(4) = 0 [pid 3867] close(5) = -1 EBADF (Bad file descriptor) [pid 3867] close(6) = -1 EBADF (Bad file descriptor) [pid 3867] close(7 [pid 3868] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(3 [pid 3867] close(8) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = 0 [pid 3867] close(9 [pid 3868] close(4 [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] close(10 [pid 3868] <... close resumed>) = 0 [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(5 [pid 3867] close(11 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(6 [pid 3867] close(12 [ 72.853839][ T3867] siw: device registration error -23 [pid 3866] close(5 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(7 [pid 3867] close(13 [pid 3866] close(6 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(8 [pid 3867] close(14 [pid 3866] close(7 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(9 [pid 3867] close(15 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(8 [pid 3868] close(10 [pid 3867] close(16 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(9 [pid 3868] close(11 [pid 3867] close(17 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(10 [pid 3868] close(12 [pid 3867] close(18 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(11 [pid 3868] close(13 [pid 3867] close(19 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(12 [pid 3868] close(14 [pid 3867] close(20 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(13 [pid 3868] close(15 [pid 3867] close(21 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(14 [pid 3868] close(16 [pid 3867] close(22 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(15 [pid 3868] close(17 [pid 3867] close(23 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(16 [pid 3868] close(18 [pid 3867] close(24 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(17 [pid 3868] close(19 [pid 3867] close(25 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(18 [pid 3868] close(20 [pid 3867] close(26 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(19 [pid 3868] close(21 [pid 3867] close(27 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(20 [pid 3868] close(22 [pid 3867] close(28 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(23 [pid 3867] close(29 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(24 [pid 3867] exit_group(0 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... exit_group resumed>) = ? [pid 3868] close(25 [pid 3867] +++ exited with 0 +++ [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(26 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(21 [pid 3623] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3868] close(27 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(22 [pid 3623] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3868] close(28 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(23 [pid 3623] fstat(3, [pid 3868] close(29 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(24 [pid 3623] getdents64(3, [pid 3868] exit_group(0 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3868] <... exit_group resumed>) = ? [pid 3866] close(25 [pid 3623] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3868] +++ exited with 0 +++ [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(26 [pid 3623] lstat("./24/binderfs", [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3866] close(27 [pid 3623] unlink("./24/binderfs" [pid 3622] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3866] close(28 [pid 3623] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3866] close(29 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... openat resumed>) = 3 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./24/cgroup", [pid 3622] fstat(3, [pid 3866] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3866] <... exit_group resumed>) = ? [pid 3623] unlink("./24/cgroup" [pid 3622] getdents64(3, [pid 3866] +++ exited with 0 +++ [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=1, si_stime=4} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./25/binderfs", [pid 3623] lstat("./24/cgroup.net", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./25/binderfs" [pid 3623] unlink("./24/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./24/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./25/cgroup", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] lstat("./24/cpuset.effective_cpus", [pid 3622] unlink("./25/cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] unlink("./24/cpuset.effective_cpus" [pid 3622] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./25/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] lstat("./24/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./25/cgroup.net" [pid 3619] fstat(3, [pid 3623] unlink("./24/cgroup.cpu" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] getdents64(3, [pid 3622] umount2("./25/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] close(3 [pid 3622] lstat("./25/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... close resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./19/binderfs", [pid 3623] rmdir("./24" [pid 3622] unlink("./25/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./19/binderfs" [pid 3623] mkdir("./25", 0777 [pid 3622] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] lstat("./25/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3869 attached [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./19/cgroup", [pid 3869] chdir("./25" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 27 [pid 3622] unlink("./25/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3869] <... chdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./19/cgroup" [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] getdents64(3, [pid 3869] <... prctl resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3869] setpgid(0, 0 [pid 3622] close(3 [pid 3619] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3869] <... setpgid resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3869] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] rmdir("./25" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3869] <... symlink resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] lstat("./19/cgroup.net", [pid 3869] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] mkdir("./26", 0777 [pid 3869] <... symlink resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3869] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./19/cgroup.net"./strace-static-x86_64: Process 3870 attached [pid 3869] <... symlink resumed>) = 0 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 28 [pid 3869] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3870] chdir("./26" [pid 3869] write(3, "1000", 4 [pid 3619] umount2("./19/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3869] <... write resumed>) = 4 [pid 3870] <... chdir resumed>) = 0 [pid 3869] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3869] <... close resumed>) = 0 [pid 3870] <... prctl resumed>) = 0 [pid 3869] symlink("/dev/binderfs", "./binderfs" [pid 3619] lstat("./19/cpuset.effective_cpus", [pid 3870] setpgid(0, 0 [pid 3869] <... symlink resumed>) = 0 [pid 3869] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3869] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3869] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3870] <... setpgid resumed>) = 0 [pid 3869] <... openat resumed>) = 4 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3869] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] unlink("./19/cpuset.effective_cpus" [pid 3870] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3870] <... symlink resumed>) = 0 [pid 3870] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3870] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3870] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] lstat("./19/cgroup.cpu", [pid 3870] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] unlink("./19/cgroup.cpu" [pid 3870] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3870] write(3, "1000", 4 [pid 3619] getdents64(3, [pid 3870] <... write resumed>) = 4 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3870] close(3 [pid 3619] close(3 [pid 3870] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3870] symlink("/dev/binderfs", "./binderfs" [pid 3619] rmdir("./19" [pid 3870] <... symlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3870] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] mkdir("./20", 0777 [pid 3870] <... socket resumed>) = 3 [pid 3619] <... mkdir resumed>) = 0 [pid 3870] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3871 attached [pid 3870] <... sendmsg resumed>) = 56 [pid 3870] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3871] chdir("./20" [pid 3870] <... openat resumed>) = 4 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 22 [pid 3871] <... chdir resumed>) = 0 [pid 3870] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 73.023812][ T3869] siw: device registration error -23 [pid 3871] setpgid(0, 0) = 0 [pid 3871] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3870] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3869] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3871] <... symlink resumed>) = 0 [pid 3870] close(3 [pid 3869] close(3 [pid 3871] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3870] <... close resumed>) = 0 [pid 3869] <... close resumed>) = 0 [pid 3871] <... symlink resumed>) = 0 [pid 3870] close(4 [pid 3869] close(4 [pid 3871] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3870] <... close resumed>) = 0 [pid 3870] close(5 [pid 3871] <... symlink resumed>) = 0 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = 0 [pid 3871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3870] close(6 [pid 3869] close(5 [pid 3871] <... openat resumed>) = 3 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] write(3, "1000", 4 [pid 3870] close(7 [pid 3869] close(6 [pid 3871] <... write resumed>) = 4 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] close(3 [pid 3870] close(8 [pid 3869] close(7 [pid 3871] <... close resumed>) = 0 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3870] close(9) = -1 EBADF (Bad file descriptor) [pid 3870] close(10) = -1 EBADF (Bad file descriptor) [pid 3870] close(11) = -1 EBADF (Bad file descriptor) [pid 3870] close(12) = -1 EBADF (Bad file descriptor) [pid 3870] close(13) = -1 EBADF (Bad file descriptor) [pid 3870] close(14) = -1 EBADF (Bad file descriptor) [pid 3870] close(15) = -1 EBADF (Bad file descriptor) [pid 3870] close(16) = -1 EBADF (Bad file descriptor) [pid 3870] close(17) = -1 EBADF (Bad file descriptor) [pid 3870] close(18) = -1 EBADF (Bad file descriptor) [pid 3870] close(19) = -1 EBADF (Bad file descriptor) [pid 3870] close(20) = -1 EBADF (Bad file descriptor) [pid 3870] close(21 [pid 3871] symlink("/dev/binderfs", "./binderfs" [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3870] close(22 [pid 3871] <... symlink resumed>) = 0 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3870] close(23 [pid 3869] close(8 [pid 3871] <... socket resumed>) = 3 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3870] close(24 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... sendmsg resumed>) = 56 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(9 [pid 3871] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3870] close(25 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... openat resumed>) = 4 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3870] close(26 [pid 3869] close(10 [pid 3871] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] close(3 [pid 3870] close(27 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = 0 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(11 [pid 3871] close(4 [pid 3870] close(28 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = 0 [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(12 [pid 3871] close(5 [pid 3870] close(29 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(13 [pid 3871] close(6 [pid 3870] exit_group(0 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3870] <... exit_group resumed>) = ? [pid 3869] close(14 [pid 3871] close(7 [pid 3870] +++ exited with 0 +++ [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(15 [pid 3871] close(8 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(16 [pid 3871] close(9 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(17 [pid 3871] close(10 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(18 [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] close(11 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(19 [pid 3871] close(12 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(20 [pid 3622] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3871] close(13 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(21 [pid 3622] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3871] close(14 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(22 [pid 3622] <... openat resumed>) = 3 [pid 3871] close(15 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(23 [pid 3871] close(16 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] close(24 [pid 3622] getdents64(3, [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] close(17 [pid 3869] close(25 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3871] close(18 [pid 3869] close(26 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./26/binderfs", [pid 3871] close(19 [pid 3869] close(27 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./26/binderfs" [pid 3871] close(20 [pid 3869] close(28 [pid 3622] <... unlink resumed>) = 0 [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3871] close(21 [pid 3869] close(29 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./26/cgroup", [pid 3871] close(22 [pid 3869] exit_group(0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... exit_group resumed>) = ? [pid 3622] unlink("./26/cgroup" [pid 3871] close(23 [pid 3869] +++ exited with 0 +++ [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3871] close(24 [pid 3622] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3871] close(25 [pid 3622] lstat("./26/cgroup.net", [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3871] close(26 [pid 3622] unlink("./26/cgroup.net" [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3622] <... unlink resumed>) = 0 [pid 3871] close(27 [pid 3622] umount2("./26/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 73.123300][ T3871] siw: device registration error -23 [pid 3871] close(28 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] lstat("./26/cpuset.effective_cpus", [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3871] close(29 [pid 3622] unlink("./26/cpuset.effective_cpus" [pid 3871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3871] exit_group(0 [pid 3623] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3871] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3871] +++ exited with 0 +++ [pid 3623] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] lstat("./26/cgroup.cpu", [pid 3623] <... openat resumed>) = 3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] fstat(3, [pid 3622] unlink("./26/cgroup.cpu" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] getdents64(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] close(3 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... close resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] lstat("./25/binderfs", [pid 3622] rmdir("./26" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] unlink("./25/binderfs" [pid 3622] mkdir("./27", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3623] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3872 attached [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 29 [pid 3623] lstat("./25/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3872] chdir("./27" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3872] <... chdir resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] unlink("./25/cgroup" [pid 3872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3872] <... prctl resumed>) = 0 [pid 3623] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3872] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3872] <... setpgid resumed>) = 0 [pid 3623] lstat("./25/cgroup.net", [pid 3619] getdents64(3, [pid 3872] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3872] <... symlink resumed>) = 0 [pid 3623] unlink("./25/cgroup.net" [pid 3619] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3872] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3872] <... symlink resumed>) = 0 [pid 3623] umount2("./25/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./20/binderfs", [pid 3872] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3872] <... symlink resumed>) = 0 [pid 3623] lstat("./25/cpuset.effective_cpus", [pid 3619] unlink("./20/binderfs" [pid 3872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3872] <... openat resumed>) = 3 [pid 3623] unlink("./25/cpuset.effective_cpus" [pid 3619] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3872] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3872] <... write resumed>) = 4 [pid 3623] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./20/cgroup", [pid 3872] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3872] <... close resumed>) = 0 [pid 3623] lstat("./25/cgroup.cpu", [pid 3619] unlink("./20/cgroup" [pid 3872] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3872] <... symlink resumed>) = 0 [pid 3623] unlink("./25/cgroup.cpu" [pid 3619] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3872] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3872] <... socket resumed>) = 3 [pid 3623] getdents64(3, [pid 3619] lstat("./20/cgroup.net", [pid 3872] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3872] <... sendmsg resumed>) = 56 [pid 3623] close(3 [pid 3619] unlink("./20/cgroup.net" [pid 3872] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3872] <... openat resumed>) = 4 [pid 3623] rmdir("./25" [pid 3619] umount2("./20/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3872] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./26", 0777 [pid 3619] lstat("./20/cpuset.effective_cpus", [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./20/cpuset.effective_cpus"./strace-static-x86_64: Process 3873 attached ) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 28 [pid 3619] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] chdir("./26" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./20/cgroup.cpu", [pid 3873] <... chdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] unlink("./20/cgroup.cpu" [pid 3873] <... prctl resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3873] setpgid(0, 0 [pid 3619] getdents64(3, [pid 3873] <... setpgid resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3873] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./20") = 0 [pid 3619] mkdir("./21", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3874 attached [pid 3874] chdir("./21" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 23 [pid 3874] <... chdir resumed>) = 0 [pid 3874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3873] <... symlink resumed>) = 0 [pid 3874] <... prctl resumed>) = 0 [pid 3873] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3874] setpgid(0, 0 [pid 3873] <... symlink resumed>) = 0 [pid 3874] <... setpgid resumed>) = 0 [pid 3873] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3874] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3873] <... symlink resumed>) = 0 [pid 3874] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3874] <... symlink resumed>) = 0 [pid 3874] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3873] <... openat resumed>) = 3 [pid 3874] <... symlink resumed>) = 0 [pid 3873] write(3, "1000", 4 [pid 3874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3873] <... write resumed>) = 4 [pid 3874] <... openat resumed>) = 3 [pid 3874] write(3, "1000", 4) = 4 [pid 3873] close(3 [pid 3874] close(3) = 0 [pid 3874] symlink("/dev/binderfs", "./binderfs" [pid 3873] <... close resumed>) = 0 [pid 3874] <... symlink resumed>) = 0 [pid 3874] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3873] symlink("/dev/binderfs", "./binderfs" [pid 3874] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3873] <... symlink resumed>) = 0 [pid 3874] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3873] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3874] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3873] <... socket resumed>) = 3 [pid 3872] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3874] close(3) = 0 [pid 3874] close(4 [pid 3873] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3874] <... close resumed>) = 0 [pid 3873] <... sendmsg resumed>) = 56 [pid 3872] close(3 [pid 3874] close(5 [pid 3873] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3872] <... close resumed>) = 0 [pid 3873] <... openat resumed>) = 4 [pid 3873] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3872] close(4 [pid 3874] close(6 [pid 3872] <... close resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(5 [pid 3874] close(7 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(3 [pid 3872] close(6 [pid 3874] close(8 [pid 3873] <... close resumed>) = 0 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(4 [pid 3872] close(7 [pid 3874] close(9 [pid 3873] <... close resumed>) = 0 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(5 [pid 3872] close(8 [pid 3874] close(10 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(9 [pid 3874] close(11 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(10 [pid 3874] close(12 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(11 [pid 3874] close(13 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(6 [pid 3872] close(12 [pid 3874] close(14 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(7 [pid 3872] close(13 [pid 3874] close(15 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(8 [pid 3872] close(14 [pid 3874] close(16 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(9 [pid 3872] close(15 [pid 3874] close(17 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(10 [pid 3872] close(16 [pid 3874] close(18 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(11 [pid 3872] close(17 [pid 3874] close(19 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(12 [pid 3872] close(18 [pid 3874] close(20 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(13 [pid 3872] close(19 [pid 3874] close(21 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(14 [pid 3872] close(20 [pid 3874] close(22 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 73.314047][ T3874] siw: device registration error -23 [ 73.328349][ T3873] siw: device registration error -23 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(15 [pid 3872] close(21 [pid 3874] close(23 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(22 [pid 3874] close(24 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(23 [pid 3874] close(25 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(24 [pid 3874] close(26 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(25 [pid 3874] close(27 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(26 [pid 3874] close(28 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(27 [pid 3874] close(29 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] close(28 [pid 3874] exit_group(0 [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... exit_group resumed>) = ? [pid 3872] close(29 [pid 3874] +++ exited with 0 +++ [pid 3872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3872] exit_group(0) = ? [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3872] +++ exited with 0 +++ [pid 3619] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] close(16 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3873] close(17 [pid 3622] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3873] close(18 [pid 3622] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 3619] getdents64(3, [pid 3873] close(19 [pid 3622] fstat(3, [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] close(20 [pid 3622] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./21/binderfs", [pid 3873] close(21 [pid 3622] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./21/binderfs" [pid 3873] close(22 [pid 3622] lstat("./27/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] close(23 [pid 3622] unlink("./27/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./21/cgroup", [pid 3873] close(24 [pid 3622] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./21/cgroup" [pid 3873] close(25 [pid 3622] lstat("./27/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] close(26 [pid 3622] unlink("./27/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./21/cgroup.net", [pid 3873] close(27 [pid 3622] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./21/cgroup.net" [pid 3873] close(28 [pid 3622] lstat("./27/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./21/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] close(29 [pid 3622] unlink("./27/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./21/cpuset.effective_cpus", [pid 3873] exit_group(0 [pid 3622] umount2("./27/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3873] <... exit_group resumed>) = ? [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./21/cpuset.effective_cpus" [pid 3873] +++ exited with 0 +++ [pid 3622] lstat("./27/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./27/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./21/cgroup.cpu", [pid 3622] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./21/cgroup.cpu" [pid 3622] lstat("./27/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] getdents64(3, [pid 3622] unlink("./27/cgroup.cpu" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] rmdir("./21" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] close(3 [pid 3619] <... rmdir resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] mkdir("./22", 0777 [pid 3622] rmdir("./27" [pid 3619] <... mkdir resumed>) = 0 [pid 3623] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3875 attached [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./28", 0777 [pid 3875] chdir("./22" [pid 3623] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 24 [pid 3875] <... chdir resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3876 attached [pid 3875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] fstat(3, [pid 3876] chdir("./28" [pid 3875] <... prctl resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 30 [pid 3876] <... chdir resumed>) = 0 [pid 3875] setpgid(0, 0 [pid 3876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3875] <... setpgid resumed>) = 0 [pid 3623] getdents64(3, [pid 3876] <... prctl resumed>) = 0 [pid 3875] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3876] setpgid(0, 0 [pid 3875] <... symlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3876] <... setpgid resumed>) = 0 [pid 3875] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3875] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... symlink resumed>) = 0 [pid 3875] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] lstat("./26/binderfs", [pid 3876] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3875] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3876] <... symlink resumed>) = 0 [pid 3875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] unlink("./26/binderfs" [pid 3876] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3875] <... openat resumed>) = 3 [pid 3876] <... symlink resumed>) = 0 [pid 3875] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 3876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3875] <... write resumed>) = 4 [pid 3623] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] <... openat resumed>) = 3 [pid 3875] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] write(3, "1000", 4 [pid 3875] <... close resumed>) = 0 [pid 3623] lstat("./26/cgroup", [pid 3876] <... write resumed>) = 4 [pid 3875] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3876] close(3 [pid 3875] <... symlink resumed>) = 0 [pid 3623] unlink("./26/cgroup" [pid 3876] <... close resumed>) = 0 [pid 3875] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3876] symlink("/dev/binderfs", "./binderfs" [pid 3875] <... socket resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3876] <... symlink resumed>) = 0 [pid 3875] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [ 73.360072][ T11] team0 (unregistering): Port device team_slave_1 removed [ 73.397060][ T11] team0 (unregistering): Port device team_slave_0 removed [pid 3876] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3875] <... sendmsg resumed>) = 56 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... socket resumed>) = 3 [pid 3875] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3876] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3875] <... openat resumed>) = 4 [pid 3876] <... sendmsg resumed>) = 56 [pid 3875] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3876] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3876] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./26/cgroup.net") = 0 [pid 3623] umount2("./26/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./26/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./26/cpuset.effective_cpus") = 0 [pid 3623] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./26/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [ 73.437759][ T3875] siw: device registration error -23 [ 73.438672][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [pid 3623] close(3) = 0 [pid 3875] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3623] rmdir("./26") = 0 [pid 3623] mkdir("./27", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3877 attached [pid 3877] chdir("./27" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 29 [pid 3875] close(3 [pid 3877] <... chdir resumed>) = 0 [pid 3877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3877] setpgid(0, 0) = 0 [pid 3877] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3875] <... close resumed>) = 0 [pid 3877] <... symlink resumed>) = 0 [pid 3875] close(4 [pid 3877] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3875] <... close resumed>) = 0 [pid 3877] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3875] close(5 [pid 3877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] write(3, "1000", 4) = 4 [pid 3877] close(3) = 0 [pid 3877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3877] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3877] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3875] close(6 [pid 3877] <... sendmsg resumed>) = 56 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3875] close(7 [pid 3877] <... openat resumed>) = 4 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(8 [pid 3876] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(3 [pid 3875] close(9 [pid 3877] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3876] <... close resumed>) = 0 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(3 [pid 3876] close(4 [pid 3877] <... close resumed>) = 0 [pid 3877] close(4 [pid 3876] <... close resumed>) = 0 [pid 3877] <... close resumed>) = 0 [pid 3876] close(5 [pid 3875] close(10 [pid 3877] close(5 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(6 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(6 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(11 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(7 [pid 3877] close(7 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(8) = -1 EBADF (Bad file descriptor) [pid 3877] close(9) = -1 EBADF (Bad file descriptor) [pid 3877] close(10) = -1 EBADF (Bad file descriptor) [pid 3875] close(12 [pid 3877] close(11 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(8 [pid 3875] close(13 [pid 3877] close(12 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(9 [pid 3875] close(14 [pid 3877] close(13 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(10 [pid 3875] close(15 [pid 3877] close(14 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(11 [pid 3875] close(16 [pid 3877] close(15 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(12 [pid 3875] close(17 [pid 3877] close(16 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(13 [pid 3877] close(17 [pid 3875] close(18 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(18 [pid 3876] close(14 [pid 3875] close(19 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(19 [pid 3876] close(15 [pid 3875] close(20 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(20 [pid 3876] close(16 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(21 [pid 3877] close(21 [pid 3876] close(17 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(22 [pid 3876] close(18 [pid 3875] close(22 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(23 [pid 3876] close(19 [pid 3875] close(23 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(24 [pid 3876] close(20 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(24 [pid 3877] close(25 [pid 3876] close(21 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(25 [pid 3877] close(26 [pid 3876] close(22 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(26 [pid 3877] close(27 [pid 3876] close(23 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(27 [pid 3877] close(28 [pid 3876] close(24 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(28 [pid 3877] close(29 [pid 3876] close(25 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] close(29 [pid 3877] exit_group(0 [pid 3876] close(26 [pid 3875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... exit_group resumed>) = ? [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] +++ exited with 0 +++ [pid 3876] close(27 [pid 3875] exit_group(0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3875] <... exit_group resumed>) = ? [pid 3876] close(28 [pid 3875] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] close(29 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] exit_group(0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... exit_group resumed>) = ? [pid 3623] <... openat resumed>) = 3 [pid 3619] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3876] +++ exited with 0 +++ [pid 3623] fstat(3, [pid 3619] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] getdents64(3, [pid 3619] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [ 73.477977][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.516215][ T3877] siw: device registration error -23 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./22/binderfs", [pid 3623] lstat("./27/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./27/binderfs" [pid 3622] <... openat resumed>) = 3 [pid 3619] unlink("./22/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3622] fstat(3, [pid 3623] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./27/cgroup", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./27/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./22/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./28/binderfs", [pid 3623] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./28/binderfs" [pid 3623] lstat("./27/cgroup.net", [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./27/cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./28/cgroup", [pid 3623] umount2("./27/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./28/cgroup" [pid 3623] lstat("./27/cpuset.effective_cpus", [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./27/cpuset.effective_cpus" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./28/cgroup.net", [pid 3619] unlink("./22/cgroup" [pid 3623] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./28/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./27/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./28/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./27/cgroup.cpu" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./28/cpuset.effective_cpus", [pid 3619] lstat("./22/cgroup.net", [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] unlink("./28/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./22/cgroup.net" [pid 3623] <... close resumed>) = 0 [pid 3622] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./27" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] lstat("./28/cgroup.cpu", [pid 3623] mkdir("./28", 0777 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] unlink("./28/cgroup.cpu" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3878 attached [pid 3622] getdents64(3, [pid 3878] chdir("./28" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 30 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3878] <... chdir resumed>) = 0 [pid 3622] close(3 [pid 3878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... close resumed>) = 0 [pid 3878] <... prctl resumed>) = 0 [pid 3622] rmdir("./28" [pid 3878] setpgid(0, 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] umount2("./22/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3878] <... setpgid resumed>) = 0 [pid 3622] mkdir("./29", 0777 [pid 3878] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3878] <... symlink resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./22/cpuset.effective_cpus", ./strace-static-x86_64: Process 3879 attached [pid 3878] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3879] chdir("./29" [pid 3878] <... symlink resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 31 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3879] <... chdir resumed>) = 0 [pid 3878] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] unlink("./22/cpuset.effective_cpus" [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3878] <... symlink resumed>) = 0 [pid 3878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3878] write(3, "1000", 4) = 4 [pid 3878] close(3) = 0 [pid 3878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3879] <... prctl resumed>) = 0 [pid 3878] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... unlink resumed>) = 0 [pid 3879] setpgid(0, 0 [pid 3878] <... socket resumed>) = 3 [pid 3619] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3879] <... setpgid resumed>) = 0 [pid 3878] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3879] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3878] <... sendmsg resumed>) = 56 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3879] <... symlink resumed>) = 0 [pid 3878] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] lstat("./22/cgroup.cpu", [pid 3879] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3878] <... openat resumed>) = 4 [pid 3878] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3879] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3879] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] unlink("./22/cgroup.cpu" [pid 3879] <... symlink resumed>) = 0 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... unlink resumed>) = 0 [pid 3879] <... openat resumed>) = 3 [pid 3619] getdents64(3, [pid 3879] write(3, "1000", 4) = 4 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3879] close(3 [pid 3619] close(3 [pid 3879] <... close resumed>) = 0 [pid 3879] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./22" [pid 3879] <... symlink resumed>) = 0 [pid 3879] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... rmdir resumed>) = 0 [pid 3879] <... socket resumed>) = 3 [pid 3619] mkdir("./23", 0777 [pid 3879] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3879] <... sendmsg resumed>) = 56 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3879] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000./strace-static-x86_64: Process 3880 attached ) = 4 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 25 [pid 3880] chdir("./23" [pid 3879] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3880] <... chdir resumed>) = 0 [pid 3880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3880] setpgid(0, 0) = 0 [pid 3880] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3880] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3880] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3880] write(3, "1000", 4) = 4 [pid 3880] close(3) = 0 [ 73.617176][ T3878] siw: device registration error -23 [pid 3880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3880] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3880] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3880] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3880] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3879] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3880] close(3 [pid 3879] close(3 [pid 3880] <... close resumed>) = 0 [pid 3879] <... close resumed>) = 0 [pid 3880] close(4 [pid 3879] close(4 [pid 3880] <... close resumed>) = 0 [pid 3879] <... close resumed>) = 0 [pid 3880] close(5 [pid 3879] close(5 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(6 [pid 3879] close(6 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(7 [pid 3879] close(7 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(8 [pid 3879] close(8 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(9 [pid 3879] close(9 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3880] close(10 [pid 3879] close(10 [pid 3878] close(3 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = 0 [pid 3880] close(11 [pid 3879] close(11 [pid 3878] close(4 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(12 [pid 3879] close(12 [pid 3878] <... close resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(5 [pid 3880] close(13 [pid 3879] close(13 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(6 [pid 3880] close(14 [pid 3879] close(14 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(7 [pid 3880] close(15 [pid 3879] close(15 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(8 [pid 3880] close(16 [pid 3879] close(16 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(9 [pid 3880] close(17 [pid 3879] close(17 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(10 [pid 3880] close(18 [pid 3879] close(18 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(11 [pid 3880] close(19 [pid 3879] close(19 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(12 [pid 3880] close(20 [pid 3879] close(20 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(13 [pid 3880] close(21 [pid 3879] close(21 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(14 [pid 3880] close(22 [pid 3879] close(22 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 73.687821][ T3880] siw: device registration error -23 [pid 3878] close(15 [pid 3880] close(23 [pid 3879] close(23 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(16 [pid 3880] close(24 [pid 3879] close(24 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(17 [pid 3880] close(25 [pid 3879] close(25 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(18 [pid 3880] close(26 [pid 3879] close(26 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(19 [pid 3880] close(27 [pid 3879] close(27 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(20 [pid 3880] close(28 [pid 3879] close(28 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(21 [pid 3880] close(29 [pid 3879] close(29 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(22 [pid 3880] exit_group(0 [pid 3879] exit_group(0 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] <... exit_group resumed>) = ? [pid 3879] <... exit_group resumed>) = ? [pid 3878] close(23 [pid 3880] +++ exited with 0 +++ [pid 3879] +++ exited with 0 +++ [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(24 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(25) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3878] close(26 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3878] close(27 [pid 3622] <... openat resumed>) = 3 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3619] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3878] close(28 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3619] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3878] close(29 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... openat resumed>) = 3 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3878] exit_group(0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3878] <... exit_group resumed>) = ? [pid 3622] lstat("./29/binderfs", [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./23/binderfs", [pid 3878] +++ exited with 0 +++ [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] unlink("./29/binderfs") = 0 [pid 3622] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./29/cgroup", [pid 3619] unlink("./23/binderfs" [pid 3623] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] unlink("./29/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3623] fstat(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] lstat("./29/cgroup.net", [pid 3619] lstat("./23/cgroup", [pid 3623] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./29/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] lstat("./28/binderfs", [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./23/cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./29/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./28/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./29/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./29/cpuset.effective_cpus" [pid 3623] lstat("./28/cgroup", [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./28/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./29/cgroup.cpu", [pid 3619] lstat("./23/cgroup.net", [pid 3623] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./29/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./28/cgroup.net", [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./23/cgroup.net" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] getdents64(3, [pid 3623] unlink("./28/cgroup.net" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] close(3 [pid 3619] umount2("./23/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./28/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] rmdir("./29" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./28/cpuset.effective_cpus", [pid 3622] <... rmdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] mkdir("./30", 0777 [pid 3623] unlink("./28/cpuset.effective_cpus" [pid 3622] <... mkdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./23/cpuset.effective_cpus", ./strace-static-x86_64: Process 3881 attached [pid 3623] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 32 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3881] chdir("./30" [pid 3623] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 73.732137][ T11] bond0 (unregistering): Released all slaves [pid 3623] unlink("./28/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./28" [pid 3881] <... chdir resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] unlink("./23/cpuset.effective_cpus" [pid 3623] mkdir("./29", 0777 [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3882 attached [pid 3881] <... prctl resumed>) = 0 [pid 3619] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3882] chdir("./29" [pid 3881] setpgid(0, 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 31 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3882] <... chdir resumed>) = 0 [pid 3881] <... setpgid resumed>) = 0 [pid 3619] lstat("./23/cgroup.cpu", [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3881] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3882] <... prctl resumed>) = 0 [pid 3881] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3882] setpgid(0, 0 [pid 3881] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] unlink("./23/cgroup.cpu" [pid 3882] <... setpgid resumed>) = 0 [pid 3882] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3881] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3882] <... symlink resumed>) = 0 [pid 3881] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] getdents64(3, [pid 3882] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3881] <... symlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3882] <... symlink resumed>) = 0 [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] close(3 [pid 3882] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3881] <... openat resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3881] write(3, "1000", 4 [pid 3619] rmdir("./23" [pid 3882] <... openat resumed>) = 3 [pid 3881] <... write resumed>) = 4 [pid 3882] write(3, "1000", 4 [pid 3619] <... rmdir resumed>) = 0 [pid 3882] <... write resumed>) = 4 [pid 3881] close(3 [pid 3619] mkdir("./24", 0777 [pid 3882] close(3 [pid 3881] <... close resumed>) = 0 [pid 3882] <... close resumed>) = 0 [pid 3881] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... mkdir resumed>) = 0 [pid 3882] symlink("/dev/binderfs", "./binderfs" [pid 3881] <... symlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3882] <... symlink resumed>) = 0 [pid 3881] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3882] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 ./strace-static-x86_64: Process 3883 attached [pid 3882] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3881] <... socket resumed>) = 3 [pid 3883] chdir("./24" [pid 3882] <... sendmsg resumed>) = 56 [pid 3883] <... chdir resumed>) = 0 [pid 3882] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3881] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 26 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3882] <... openat resumed>) = 4 [pid 3881] <... sendmsg resumed>) = 56 [pid 3883] <... prctl resumed>) = 0 [pid 3882] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3881] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3883] setpgid(0, 0 [pid 3881] <... openat resumed>) = 4 [pid 3883] <... setpgid resumed>) = 0 [pid 3881] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3883] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3883] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3883] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3883] write(3, "1000", 4) = 4 [pid 3883] close(3) = 0 [pid 3883] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3883] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3883] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3883] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3883] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3882] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3882] close(3) = 0 [pid 3882] close(4) = 0 [pid 3882] close(5) = -1 EBADF (Bad file descriptor) [pid 3882] close(6) = -1 EBADF (Bad file descriptor) [pid 3882] close(7) = -1 EBADF (Bad file descriptor) [pid 3882] close(8) = -1 EBADF (Bad file descriptor) [pid 3882] close(9) = -1 EBADF (Bad file descriptor) [pid 3882] close(10) = -1 EBADF (Bad file descriptor) [pid 3882] close(11) = -1 EBADF (Bad file descriptor) [pid 3882] close(12) = -1 EBADF (Bad file descriptor) [pid 3882] close(13) = -1 EBADF (Bad file descriptor) [pid 3882] close(14) = -1 EBADF (Bad file descriptor) [pid 3882] close(15) = -1 EBADF (Bad file descriptor) [pid 3882] close(16) = -1 EBADF (Bad file descriptor) [pid 3882] close(17) = -1 EBADF (Bad file descriptor) [pid 3882] close(18) = -1 EBADF (Bad file descriptor) [pid 3882] close(19) = -1 EBADF (Bad file descriptor) [pid 3882] close(20) = -1 EBADF (Bad file descriptor) [pid 3882] close(21 [pid 3881] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3882] close(22 [pid 3881] close(3 [pid 3882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3882] close(23) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = 0 [pid 3882] close(24 [pid 3881] close(4 [pid 3882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3882] close(25) = -1 EBADF (Bad file descriptor) [pid 3882] close(26) = -1 EBADF (Bad file descriptor) [pid 3882] close(27) = -1 EBADF (Bad file descriptor) [pid 3882] close(28) = -1 EBADF (Bad file descriptor) [pid 3882] close(29) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = 0 [pid 3882] exit_group(0 [pid 3881] close(5 [pid 3883] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3882] <... exit_group resumed>) = ? [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 73.832222][ T3882] siw: device registration error -23 [ 73.863372][ T3883] siw: device registration error -23 [pid 3882] +++ exited with 0 +++ [pid 3881] close(6) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3881] close(7) = -1 EBADF (Bad file descriptor) [pid 3881] close(8) = -1 EBADF (Bad file descriptor) [pid 3881] close(9 [pid 3623] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3881] close(10 [pid 3623] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3883] close(3 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3883] <... close resumed>) = 0 [pid 3881] close(11 [pid 3623] fstat(3, [pid 3883] close(4 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3883] <... close resumed>) = 0 [pid 3881] close(12 [pid 3623] getdents64(3, [pid 3883] close(5 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] close(13 [pid 3623] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3883] close(6 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./29/binderfs", [pid 3883] close(7 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./29/binderfs" [pid 3883] close(8 [pid 3623] <... unlink resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3883] close(9 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./29/cgroup", [pid 3883] close(10 [pid 3881] close(14 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./29/cgroup" [pid 3883] close(11 [pid 3881] close(15 [pid 3623] <... unlink resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3883] close(12 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./29/cgroup.net", [pid 3883] close(13 [pid 3881] close(16 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./29/cgroup.net" [pid 3883] close(14 [pid 3881] close(17 [pid 3623] <... unlink resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./29/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3883] close(15 [pid 3881] close(18 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./29/cpuset.effective_cpus", [pid 3883] close(16 [pid 3881] close(19 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./29/cpuset.effective_cpus" [pid 3883] close(17 [pid 3623] <... unlink resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3883] close(18 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./29/cgroup.cpu", [pid 3883] close(19 [pid 3881] close(20 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./29/cgroup.cpu" [pid 3883] close(20 [pid 3881] close(21 [pid 3623] <... unlink resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3883] close(21 [pid 3881] close(22 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] close(3 [pid 3883] close(22 [pid 3623] <... close resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] rmdir("./29" [pid 3883] close(23 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] close(23 [pid 3623] mkdir("./30", 0777 [pid 3883] close(24 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] close(24 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3884 attached [pid 3883] close(25 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] chdir("./30" [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] close(25 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 32 [pid 3884] <... chdir resumed>) = 0 [pid 3883] close(26 [pid 3884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... prctl resumed>) = 0 [pid 3883] close(27 [pid 3884] setpgid(0, 0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... setpgid resumed>) = 0 [pid 3883] close(28 [pid 3884] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... symlink resumed>) = 0 [pid 3883] close(29 [pid 3881] close(26 [pid 3884] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... symlink resumed>) = 0 [pid 3883] exit_group(0 [pid 3884] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3883] <... exit_group resumed>) = ? [pid 3884] <... symlink resumed>) = 0 [pid 3883] +++ exited with 0 +++ [pid 3884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3881] close(27 [pid 3884] <... openat resumed>) = 3 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3884] write(3, "1000", 4 [pid 3881] close(28 [pid 3884] <... write resumed>) = 4 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(3 [pid 3881] close(29 [pid 3884] <... close resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3881] exit_group(0 [pid 3619] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3884] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3884] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3884] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3881] <... exit_group resumed>) = ? [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3884] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3881] +++ exited with 0 +++ [pid 3619] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... openat resumed>) = 3 [pid 3622] <... restart_syscall resumed>) = 0 [pid 3622] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] unlink("./30/binderfs") = 0 [pid 3619] getdents64(3, [pid 3622] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./30/cgroup") = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./30/cgroup.net") = 0 [pid 3622] umount2("./30/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./24/binderfs", [pid 3622] lstat("./30/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./30/cpuset.effective_cpus" [pid 3619] unlink("./24/binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./30/cgroup.cpu", [pid 3619] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./30/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3619] lstat("./24/cgroup", [pid 3622] rmdir("./30") = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] mkdir("./31", 0777 [pid 3619] unlink("./24/cgroup" [pid 3622] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3885 attached [pid 3885] chdir("./31") = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 33 [pid 3619] <... unlink resumed>) = 0 [pid 3885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3885] setpgid(0, 0) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3885] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3619] lstat("./24/cgroup.net", [pid 3885] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3885] <... symlink resumed>) = 0 [pid 3619] unlink("./24/cgroup.net" [pid 3885] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3885] <... symlink resumed>) = 0 [pid 3885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3885] write(3, "1000", 4) = 4 [pid 3619] umount2("./24/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3885] close(3) = 0 [pid 3885] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 74.001539][ T3884] siw: device registration error -23 [pid 3885] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] lstat("./24/cpuset.effective_cpus", [pid 3885] <... socket resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3885] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3885] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3885] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] unlink("./24/cpuset.effective_cpus") = 0 [pid 3619] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./24/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./24") = 0 [pid 3619] mkdir("./25", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3886 attached , child_tidptr=0x5555558f4690) = 27 [pid 3886] chdir("./25") = 0 [pid 3886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3886] setpgid(0, 0) = 0 [pid 3886] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3886] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3886] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3885] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3886] write(3, "1000", 4 [pid 3885] close(3 [pid 3884] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3884] close(3 [pid 3886] <... write resumed>) = 4 [pid 3885] <... close resumed>) = 0 [pid 3886] close(3 [pid 3885] close(4 [pid 3884] <... close resumed>) = 0 [pid 3884] close(4) = 0 [pid 3884] close(5) = -1 EBADF (Bad file descriptor) [pid 3884] close(6 [pid 3886] <... close resumed>) = 0 [pid 3885] <... close resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(7 [pid 3886] symlink("/dev/binderfs", "./binderfs" [pid 3885] close(5 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... symlink resumed>) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(8) = -1 EBADF (Bad file descriptor) [pid 3884] close(9) = -1 EBADF (Bad file descriptor) [pid 3884] close(10) = -1 EBADF (Bad file descriptor) [pid 3884] close(11) = -1 EBADF (Bad file descriptor) [pid 3884] close(12) = -1 EBADF (Bad file descriptor) [pid 3884] close(13) = -1 EBADF (Bad file descriptor) [pid 3884] close(14) = -1 EBADF (Bad file descriptor) [pid 3884] close(15) = -1 EBADF (Bad file descriptor) [pid 3884] close(16) = -1 EBADF (Bad file descriptor) [pid 3884] close(17) = -1 EBADF (Bad file descriptor) [pid 3884] close(18) = -1 EBADF (Bad file descriptor) [pid 3884] close(19) = -1 EBADF (Bad file descriptor) [pid 3884] close(20 [pid 3886] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3885] close(6 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(21) = -1 EBADF (Bad file descriptor) [pid 3884] close(22 [pid 3886] <... socket resumed>) = 3 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(23 [pid 3886] <... sendmsg resumed>) = 56 [pid 3885] close(7 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(24) = -1 EBADF (Bad file descriptor) [pid 3884] close(25) = -1 EBADF (Bad file descriptor) [pid 3884] close(26) = -1 EBADF (Bad file descriptor) [pid 3884] close(27) = -1 EBADF (Bad file descriptor) [pid 3884] close(28) = -1 EBADF (Bad file descriptor) [pid 3884] close(29) = -1 EBADF (Bad file descriptor) [pid 3884] exit_group(0) = ? [pid 3884] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3885] close(8 [pid 3886] <... openat resumed>) = 4 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3885] close(9 [ 74.113822][ T11] team0 (unregistering): Port device team_slave_1 removed [ 74.145463][ T11] team0 (unregistering): Port device team_slave_0 removed [ 74.160048][ T3886] siw: device registration error -23 [pid 3623] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] close(3 [pid 3885] close(10 [pid 3623] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3886] <... close resumed>) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(4 [pid 3885] close(11 [pid 3623] <... openat resumed>) = 3 [pid 3886] <... close resumed>) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(5 [pid 3885] close(12 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(6 [pid 3885] close(13 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(7 [pid 3885] close(14 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(8 [pid 3885] close(15 [pid 3623] fstat(3, [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(9 [pid 3885] close(16 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3886] close(10 [pid 3885] close(17 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] close(11 [pid 3885] close(18 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] close(12 [pid 3885] close(19 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(13 [pid 3885] close(20 [pid 3623] lstat("./30/binderfs", [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(14 [pid 3885] close(21 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./30/binderfs" [pid 3886] close(15 [pid 3885] close(22 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(16 [pid 3885] close(23 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3886] close(17 [pid 3885] close(24 [pid 3623] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(18 [pid 3885] close(25 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./30/cgroup", [pid 3886] close(19 [pid 3885] close(26 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3886] close(20 [pid 3885] close(27 [pid 3623] unlink("./30/cgroup" [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(21 [pid 3885] close(28 [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3886] close(22 [pid 3885] close(29 [pid 3623] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] close(23 [pid 3885] exit_group(0 [pid 3623] lstat("./30/cgroup.net", [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] <... exit_group resumed>) = ? [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3886] close(24 [pid 3885] +++ exited with 0 +++ [pid 3623] unlink("./30/cgroup.net" [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(25) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3886] close(26 [pid 3623] umount2("./30/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] close(28) = -1 EBADF (Bad file descriptor) [pid 3886] close(29) = -1 EBADF (Bad file descriptor) [pid 3886] exit_group(0 [pid 3623] lstat("./30/cpuset.effective_cpus", [pid 3622] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] <... exit_group resumed>) = ? [pid 3886] +++ exited with 0 +++ [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] unlink("./30/cpuset.effective_cpus" [pid 3622] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./25/binderfs") = 0 [pid 3619] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./25/cgroup") = 0 [pid 3619] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 74.168024][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.188153][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [pid 3619] unlink("./25/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./25/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./25/cpuset.effective_cpus" [pid 3623] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./25/cgroup.cpu" [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] lstat("./30/cgroup.cpu", [pid 3622] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3) = 0 [pid 3619] rmdir("./25" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3623] unlink("./30/cgroup.cpu" [pid 3622] lstat("./31/binderfs", [pid 3619] mkdir("./26", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] unlink("./31/binderfs" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3887 attached [pid 3623] close(3 [pid 3622] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 28 [pid 3887] chdir("./26" [pid 3623] <... close resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3887] <... chdir resumed>) = 0 [pid 3623] rmdir("./30" [pid 3622] lstat("./31/cgroup", [pid 3887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3887] <... prctl resumed>) = 0 [pid 3623] mkdir("./31", 0777 [pid 3622] unlink("./31/cgroup" [pid 3887] setpgid(0, 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3887] <... setpgid resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3888 attached [pid 3887] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3888] chdir("./31" [pid 3887] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 33 [pid 3622] lstat("./31/cgroup.net", [pid 3888] <... chdir resumed>) = 0 [pid 3887] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3887] <... symlink resumed>) = 0 [pid 3622] unlink("./31/cgroup.net" [pid 3888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3887] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3888] <... prctl resumed>) = 0 [pid 3887] <... symlink resumed>) = 0 [pid 3622] umount2("./31/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3888] setpgid(0, 0 [pid 3887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3888] <... setpgid resumed>) = 0 [pid 3887] <... openat resumed>) = 3 [pid 3622] lstat("./31/cpuset.effective_cpus", [pid 3888] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3887] write(3, "1000", 4 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3888] <... symlink resumed>) = 0 [pid 3887] <... write resumed>) = 4 [pid 3622] unlink("./31/cpuset.effective_cpus" [pid 3888] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3887] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3888] <... symlink resumed>) = 0 [pid 3887] <... close resumed>) = 0 [pid 3622] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3888] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3887] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3888] <... symlink resumed>) = 0 [pid 3887] <... symlink resumed>) = 0 [pid 3622] lstat("./31/cgroup.cpu", [pid 3888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3887] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3888] <... openat resumed>) = 3 [pid 3887] <... socket resumed>) = 3 [pid 3622] unlink("./31/cgroup.cpu" [pid 3888] write(3, "1000", 4 [pid 3887] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... unlink resumed>) = 0 [pid 3888] <... write resumed>) = 4 [pid 3887] <... sendmsg resumed>) = 56 [pid 3622] getdents64(3, [pid 3888] close(3 [pid 3887] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3888] <... close resumed>) = 0 [pid 3887] <... openat resumed>) = 4 [pid 3622] close(3 [pid 3888] symlink("/dev/binderfs", "./binderfs" [pid 3887] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... close resumed>) = 0 [pid 3888] <... symlink resumed>) = 0 [pid 3622] rmdir("./31") = 0 [pid 3622] mkdir("./32", 0777 [pid 3888] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... mkdir resumed>) = 0 [pid 3888] <... socket resumed>) = 3 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3889 attached [pid 3888] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 34 [pid 3889] chdir("./32" [pid 3888] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3889] <... chdir resumed>) = 0 [pid 3889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3888] <... openat resumed>) = 4 [pid 3889] <... prctl resumed>) = 0 [pid 3888] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3889] setpgid(0, 0) = 0 [pid 3889] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3889] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3889] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3889] write(3, "1000", 4) = 4 [pid 3889] close(3) = 0 [pid 3889] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3888] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [ 74.301707][ T3887] siw: device registration error -23 [ 74.325702][ T3888] siw: device registration error -23 [pid 3889] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3887] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3889] <... socket resumed>) = 3 [pid 3887] close(3 [pid 3889] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3887] <... close resumed>) = 0 [pid 3889] <... sendmsg resumed>) = 56 [pid 3887] close(4 [pid 3889] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3887] <... close resumed>) = 0 [pid 3887] close(5 [pid 3889] <... openat resumed>) = 4 [pid 3889] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] close(3 [pid 3888] close(3 [pid 3887] close(6 [pid 3889] <... close resumed>) = 0 [pid 3888] <... close resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] close(4 [pid 3888] close(4 [pid 3887] close(7 [pid 3889] <... close resumed>) = 0 [pid 3888] <... close resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] close(5 [pid 3888] close(5 [pid 3887] close(8 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(6 [pid 3887] close(9 [pid 3889] close(6 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(7 [pid 3887] close(10 [pid 3889] close(7 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(8 [pid 3887] close(11 [pid 3889] close(8 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(9 [pid 3887] close(12 [pid 3889] close(9 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(10 [pid 3887] close(13 [pid 3889] close(10 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(11 [pid 3887] close(14 [pid 3889] close(11 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(12 [pid 3887] close(15 [pid 3889] close(12 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(13 [pid 3887] close(16 [pid 3889] close(13 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(14 [pid 3887] close(17 [pid 3889] close(14 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(15 [pid 3887] close(18 [pid 3889] close(15 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(16 [pid 3887] close(19 [pid 3889] close(16 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(17 [pid 3887] close(20 [pid 3889] close(17 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(18 [pid 3887] close(21 [pid 3889] close(18 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(19 [pid 3887] close(22 [pid 3889] close(19 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(20 [pid 3887] close(23 [pid 3889] close(20 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(21 [pid 3887] close(24 [pid 3889] close(21 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(22 [pid 3887] close(25 [pid 3889] close(22 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(23 [pid 3887] close(26 [pid 3889] close(23 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(24 [pid 3887] close(27 [pid 3889] close(24 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(25 [pid 3887] close(28 [pid 3889] close(25 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(26 [pid 3887] close(29 [pid 3889] close(26 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(27 [pid 3887] exit_group(0 [pid 3889] close(27 [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] <... exit_group resumed>) = ? [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] close(28 [pid 3889] close(28) = -1 EBADF (Bad file descriptor) [pid 3887] +++ exited with 0 +++ [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] close(29 [pid 3888] close(29 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [ 74.370945][ T11] bond0 (unregistering): Released all slaves [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3889] exit_group(0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3889] <... exit_group resumed>) = ? [pid 3888] exit_group(0 [pid 3889] +++ exited with 0 +++ [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, [pid 3622] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3622] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... openat resumed>) = 3 [pid 3619] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./26/binderfs", [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3888] <... exit_group resumed>) = ? [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] unlink("./26/binderfs" [pid 3622] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./32/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3888] +++ exited with 0 +++ [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./26/cgroup", [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] unlink("./32/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./26/cgroup" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./32/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./26/cgroup.net", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./32/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./26/cgroup.net" [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./26/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./32/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./26/cpuset.effective_cpus", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./32/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./26/cpuset.effective_cpus" [pid 3623] lstat("./31/binderfs", [pid 3622] umount2("./32/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./31/binderfs" [pid 3619] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./32/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./26/cgroup.cpu", [pid 3623] lstat("./31/cgroup", [pid 3622] unlink("./32/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./31/cgroup" [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./26/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./32/cgroup.cpu", [pid 3619] getdents64(3, [pid 3623] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] unlink("./31/cgroup.net" [pid 3622] unlink("./32/cgroup.cpu" [pid 3619] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./31/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] lstat("./31/cpuset.effective_cpus", [pid 3619] rmdir("./26" [pid 3622] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./31/cpuset.effective_cpus" [pid 3622] <... close resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3622] rmdir("./32" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./27", 0777 [pid 3622] mkdir("./33", 0777 [pid 3619] <... mkdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3892 attached [pid 3892] chdir("./27") = 0 ./strace-static-x86_64: Process 3893 attached [pid 3623] lstat("./31/cgroup.cpu", [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 35 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 29 [pid 3893] chdir("./33") = 0 [pid 3892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./31/cgroup.cpu" [pid 3893] <... prctl resumed>) = 0 [pid 3892] <... prctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3893] setpgid(0, 0 [pid 3623] getdents64(3, [pid 3893] <... setpgid resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3893] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3892] setpgid(0, 0 [pid 3623] close(3 [pid 3893] <... symlink resumed>) = 0 [pid 3892] <... setpgid resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3893] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] rmdir("./31" [pid 3893] <... symlink resumed>) = 0 [pid 3892] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3893] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3892] <... symlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3892] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3893] <... symlink resumed>) = 0 [pid 3623] mkdir("./32", 0777 [pid 3893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3892] <... symlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3893] <... openat resumed>) = 3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3893] write(3, "1000", 4 [pid 3892] symlink("/syzcgroup/net/syz4", "./cgroup.net"./strace-static-x86_64: Process 3894 attached [pid 3893] <... write resumed>) = 4 [pid 3892] <... symlink resumed>) = 0 [pid 3894] chdir("./32" [pid 3893] close(3 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 34 [pid 3894] <... chdir resumed>) = 0 [pid 3893] <... close resumed>) = 0 [pid 3892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3893] symlink("/dev/binderfs", "./binderfs" [pid 3894] <... prctl resumed>) = 0 [pid 3893] <... symlink resumed>) = 0 [pid 3892] <... openat resumed>) = 3 [pid 3894] setpgid(0, 0 [pid 3893] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3894] <... setpgid resumed>) = 0 [pid 3893] <... socket resumed>) = 3 [pid 3892] write(3, "1000", 4 [pid 3894] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3893] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3894] <... symlink resumed>) = 0 [pid 3893] <... sendmsg resumed>) = 56 [pid 3892] <... write resumed>) = 4 [pid 3894] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3893] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3894] <... symlink resumed>) = 0 [pid 3893] <... openat resumed>) = 4 [pid 3892] close(3 [pid 3894] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3893] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3894] <... symlink resumed>) = 0 [pid 3892] <... close resumed>) = 0 [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3892] symlink("/dev/binderfs", "./binderfs" [pid 3894] write(3, "1000", 4) = 4 [pid 3894] close(3) = 0 [pid 3892] <... symlink resumed>) = 0 [pid 3894] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3892] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3894] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3894] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3892] <... socket resumed>) = 3 [pid 3894] <... sendmsg resumed>) = 56 [pid 3894] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3892] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3894] <... openat resumed>) = 4 [pid 3894] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3892] <... sendmsg resumed>) = 56 [pid 3892] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3892] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3894] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3892] close(3) = 0 [pid 3892] close(4) = 0 [pid 3894] close(3) = 0 [pid 3892] close(5) = -1 EBADF (Bad file descriptor) [pid 3892] close(6 [pid 3894] close(4) = 0 [pid 3894] close(5 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(7) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(6) = -1 EBADF (Bad file descriptor) [pid 3894] close(7) = -1 EBADF (Bad file descriptor) [pid 3892] close(8) = -1 EBADF (Bad file descriptor) [pid 3892] close(9 [pid 3894] close(8 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(10 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(9 [pid 3892] close(11 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(10) = -1 EBADF (Bad file descriptor) [pid 3894] close(11) = -1 EBADF (Bad file descriptor) [pid 3894] close(12) = -1 EBADF (Bad file descriptor) [pid 3894] close(13) = -1 EBADF (Bad file descriptor) [pid 3894] close(14) = -1 EBADF (Bad file descriptor) [pid 3894] close(15) = -1 EBADF (Bad file descriptor) [ 74.575026][ T3894] siw: device registration error -23 [ 74.576672][ T3892] siw: device registration error -23 [pid 3892] close(12 [pid 3894] close(16 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(17 [pid 3892] close(13 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(18) = -1 EBADF (Bad file descriptor) [pid 3894] close(19) = -1 EBADF (Bad file descriptor) [pid 3894] close(20) = -1 EBADF (Bad file descriptor) [pid 3894] close(21) = -1 EBADF (Bad file descriptor) [pid 3894] close(22) = -1 EBADF (Bad file descriptor) [pid 3894] close(23) = -1 EBADF (Bad file descriptor) [pid 3894] close(24) = -1 EBADF (Bad file descriptor) [pid 3894] close(25) = -1 EBADF (Bad file descriptor) [pid 3894] close(26) = -1 EBADF (Bad file descriptor) [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(27) = -1 EBADF (Bad file descriptor) [pid 3894] close(28 [pid 3892] close(14 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(29) = -1 EBADF (Bad file descriptor) [pid 3894] exit_group(0 [pid 3892] close(15 [pid 3894] <... exit_group resumed>) = ? [pid 3894] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3623] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3892] close(16 [pid 3623] fstat(3, [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3892] close(17 [pid 3623] getdents64(3, [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3892] close(18 [pid 3623] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3892] close(19 [pid 3623] lstat("./32/binderfs", [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3892] close(20 [pid 3623] unlink("./32/binderfs" [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3892] close(21 [pid 3623] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3892] close(22 [pid 3623] lstat("./32/cgroup", [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3892] close(23 [pid 3623] unlink("./32/cgroup" [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3892] close(24 [pid 3623] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3892] close(25 [pid 3623] lstat("./32/cgroup.net", [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3892] close(26 [pid 3623] unlink("./32/cgroup.net" [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3892] close(27 [pid 3623] umount2("./32/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3893] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3893] close(3 [pid 3892] close(28 [pid 3623] lstat("./32/cpuset.effective_cpus", [pid 3893] <... close resumed>) = 0 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3893] close(4 [pid 3892] close(29 [pid 3623] unlink("./32/cpuset.effective_cpus" [pid 3893] <... close resumed>) = 0 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3893] close(5 [pid 3892] exit_group(0 [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] <... exit_group resumed>) = ? [pid 3893] close(6 [pid 3892] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3893] close(7) = -1 EBADF (Bad file descriptor) [pid 3893] close(8) = -1 EBADF (Bad file descriptor) [pid 3893] close(9) = -1 EBADF (Bad file descriptor) [pid 3893] close(10) = -1 EBADF (Bad file descriptor) [pid 3893] close(11) = -1 EBADF (Bad file descriptor) [pid 3893] close(12) = -1 EBADF (Bad file descriptor) [pid 3893] close(13) = -1 EBADF (Bad file descriptor) [pid 3893] close(14) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./32/cgroup.cpu", [pid 3619] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3893] close(15) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3893] close(16 [pid 3623] unlink("./32/cgroup.cpu" [pid 3619] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3893] close(17 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3619] fstat(3, [pid 3893] close(18 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] close(3 [pid 3893] close(19 [pid 3619] getdents64(3, [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3893] close(20 [pid 3623] rmdir("./32" [pid 3619] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3893] close(21 [pid 3623] mkdir("./33", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 3619] lstat("./27/binderfs", [pid 3893] close(22 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 3895 attached [pid 3893] close(23) = -1 EBADF (Bad file descriptor) [pid 3893] close(24) = -1 EBADF (Bad file descriptor) [pid 3893] close(25) = -1 EBADF (Bad file descriptor) [pid 3893] close(26) = -1 EBADF (Bad file descriptor) [pid 3893] close(27) = -1 EBADF (Bad file descriptor) [pid 3893] close(28) = -1 EBADF (Bad file descriptor) [pid 3893] close(29) = -1 EBADF (Bad file descriptor) [pid 3893] exit_group(0) = ? [pid 3893] +++ exited with 0 +++ [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 35 [pid 3619] unlink("./27/binderfs" [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... unlink resumed>) = 0 [pid 3622] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3895] chdir("./33" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] <... chdir resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] lstat("./27/cgroup", [pid 3895] <... prctl resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] fstat(3, [pid 3895] setpgid(0, 0 [pid 3619] unlink("./27/cgroup" [pid 3895] <... setpgid resumed>) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3895] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./27/cgroup.net", [pid 3622] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3895] <... symlink resumed>) = 0 [pid 3622] unlink("./33/binderfs" [pid 3895] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] unlink("./27/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3895] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3895] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./27/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3895] <... symlink resumed>) = 0 [pid 3622] lstat("./33/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./27/cpuset.effective_cpus", [pid 3895] <... openat resumed>) = 3 [pid 3622] unlink("./33/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3895] write(3, "1000", 4 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./27/cpuset.effective_cpus" [pid 3895] <... write resumed>) = 4 [pid 3622] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] close(3 [pid 3622] lstat("./33/cgroup.net", [pid 3619] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3895] <... close resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3895] symlink("/dev/binderfs", "./binderfs" [pid 3622] unlink("./33/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] <... symlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3895] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] lstat("./27/cgroup.cpu", [pid 3622] umount2("./33/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3895] <... socket resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] lstat("./33/cpuset.effective_cpus", [pid 3619] unlink("./27/cgroup.cpu" [pid 3895] <... sendmsg resumed>) = 56 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./33/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 3895] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3895] <... openat resumed>) = 4 [pid 3622] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3895] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] close(3) = 0 [pid 3619] rmdir("./27" [pid 3622] lstat("./33/cgroup.cpu", [pid 3619] <... rmdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] mkdir("./28", 0777 [pid 3622] unlink("./33/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3622] rmdir("./33" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3897 attached [pid 3622] <... rmdir resumed>) = 0 [pid 3622] mkdir("./34", 0777 [pid 3897] chdir("./28" [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 30 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3898 attached [pid 3898] chdir("./34" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 36 [pid 3898] <... chdir resumed>) = 0 [pid 3898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3898] setpgid(0, 0) = 0 [pid 3898] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3898] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3898] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3898] write(3, "1000", 4) = 4 [pid 3898] close(3) = 0 [pid 3898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3898] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3898] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3898] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3897] <... chdir resumed>) = 0 [pid 3898] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 74.737632][ T3895] siw: device registration error -23 [pid 3897] setpgid(0, 0) = 0 [pid 3897] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3897] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3897] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3897] write(3, "1000", 4) = 4 [pid 3897] close(3) = 0 [pid 3897] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3897] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3897] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3897] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3897] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3895] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3895] close(3) = 0 [pid 3898] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3898] close(3) = 0 [pid 3895] close(4 [pid 3898] close(4) = 0 [pid 3895] <... close resumed>) = 0 [pid 3898] close(5) = -1 EBADF (Bad file descriptor) [pid 3895] close(5 [pid 3897] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3898] close(6 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(6 [pid 3898] close(7 [pid 3897] close(3 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = 0 [pid 3895] close(7 [pid 3898] close(8 [pid 3897] close(4 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = 0 [pid 3895] close(8 [pid 3898] close(9 [pid 3897] close(5 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(9 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] close(10 [pid 3897] close(6 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(10 [pid 3898] close(11 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] close(7 [pid 3895] close(11 [pid 3898] close(12 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(12 [pid 3898] close(13 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] close(8 [pid 3895] close(13 [pid 3898] close(14 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(14 [pid 3897] close(9 [pid 3898] close(15 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(15 [pid 3898] close(16 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] close(10 [pid 3895] close(16 [pid 3898] close(17 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(17 [pid 3898] close(18 [pid 3897] close(11 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(18 [pid 3898] close(19 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(19 [pid 3898] close(20 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(20 [pid 3898] close(21 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(21 [pid 3898] close(22 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(22 [pid 3898] close(23 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(23 [pid 3898] close(24 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(24 [pid 3898] close(25 [pid 3897] close(12 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(25 [pid 3898] close(26 [pid 3897] close(13 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 74.819378][ T3897] siw: device registration error -23 [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] close(27 [pid 3897] close(14 [pid 3895] close(26 [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] close(28 [pid 3897] close(15 [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(27 [pid 3898] close(29 [pid 3897] close(16 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(28 [pid 3898] exit_group(0 [pid 3897] close(17 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] <... exit_group resumed>) = ? [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(29 [pid 3897] close(18) = -1 EBADF (Bad file descriptor) [pid 3897] close(19 [pid 3898] +++ exited with 0 +++ [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] close(20 [pid 3895] exit_group(0 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... exit_group resumed>) = ? [pid 3897] close(21 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] close(22) = -1 EBADF (Bad file descriptor) [pid 3895] +++ exited with 0 +++ [pid 3897] close(23) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3897] close(24 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3897] close(25) = -1 EBADF (Bad file descriptor) [pid 3897] close(26 [pid 3623] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3897] close(27 [pid 3623] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3897] close(28 [pid 3623] fstat(3, [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3897] close(29 [pid 3623] getdents64(3, [pid 3622] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3897] exit_group(0 [pid 3623] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3897] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3897] +++ exited with 0 +++ [pid 3623] lstat("./33/binderfs", [pid 3622] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./33/binderfs" [pid 3622] <... openat resumed>) = 3 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... unlink resumed>) = 0 [pid 3622] fstat(3, [pid 3623] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./33/cgroup") = 0 [pid 3623] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./33/cgroup.net") = 0 [pid 3623] umount2("./33/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./33/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./33/cpuset.effective_cpus" [pid 3622] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./34/binderfs", [pid 3619] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] fstat(3, [pid 3622] unlink("./34/binderfs" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./33/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3622] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] unlink("./33/cgroup.cpu" [pid 3622] lstat("./34/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3622] unlink("./34/cgroup" [pid 3619] lstat("./28/binderfs", [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./33" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./34", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3901 attached [pid 3901] chdir("./34" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 36 [pid 3901] <... chdir resumed>) = 0 [pid 3622] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./28/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] lstat("./34/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3901] <... prctl resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./34/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3901] setpgid(0, 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./28/cgroup", [pid 3622] umount2("./34/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./28/cgroup" [pid 3901] <... setpgid resumed>) = 0 [pid 3622] lstat("./34/cpuset.effective_cpus", [pid 3901] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3901] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3901] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] unlink("./34/cpuset.effective_cpus" [pid 3619] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3901] <... symlink resumed>) = 0 [pid 3901] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3901] <... openat resumed>) = 3 [pid 3622] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./28/cgroup.net", [pid 3901] write(3, "1000", 4 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3901] <... write resumed>) = 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3901] close(3) = 0 [pid 3901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3901] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3901] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3901] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3622] lstat("./34/cgroup.cpu", [pid 3619] unlink("./28/cgroup.net" [pid 3901] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] unlink("./34/cgroup.cpu" [pid 3619] umount2("./28/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] lstat("./28/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./28/cpuset.effective_cpus" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] close(3) = 0 [pid 3619] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] rmdir("./34" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... rmdir resumed>) = 0 [pid 3622] mkdir("./35", 0777 [pid 3619] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./28/cgroup.cpu" [pid 3622] <... mkdir resumed>) = 0 [ 74.984072][ T3901] siw: device registration error -23 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3904 attached [pid 3619] getdents64(3, [pid 3904] chdir("./35") = 0 [pid 3904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3904] setpgid(0, 0) = 0 [pid 3904] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 37 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3904] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./28" [pid 3904] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./29", 0777 [pid 3904] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... mkdir resumed>) = 0 [pid 3904] <... symlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 3905 attached [pid 3904] write(3, "1000", 4 [pid 3905] chdir("./29" [pid 3904] <... write resumed>) = 4 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 31 [pid 3905] <... chdir resumed>) = 0 [pid 3905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3904] close(3 [pid 3905] <... prctl resumed>) = 0 [pid 3904] <... close resumed>) = 0 [pid 3905] setpgid(0, 0 [pid 3904] symlink("/dev/binderfs", "./binderfs" [pid 3905] <... setpgid resumed>) = 0 [pid 3905] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3904] <... symlink resumed>) = 0 [pid 3905] <... symlink resumed>) = 0 [pid 3904] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3905] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3904] <... socket resumed>) = 3 [pid 3905] <... symlink resumed>) = 0 [pid 3904] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3905] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3904] <... sendmsg resumed>) = 56 [pid 3905] <... symlink resumed>) = 0 [pid 3905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3904] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3905] <... openat resumed>) = 3 [pid 3904] <... openat resumed>) = 4 [pid 3905] write(3, "1000", 4 [pid 3904] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3905] <... write resumed>) = 4 [pid 3905] close(3) = 0 [pid 3905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3905] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3905] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3905] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3905] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3901] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3905] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3904] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3901] close(3 [pid 3905] close(3 [pid 3904] close(3 [pid 3901] <... close resumed>) = 0 [pid 3905] <... close resumed>) = 0 [pid 3904] <... close resumed>) = 0 [pid 3901] close(4 [pid 3905] close(4 [pid 3904] close(4 [pid 3901] <... close resumed>) = 0 [pid 3905] <... close resumed>) = 0 [pid 3904] <... close resumed>) = 0 [pid 3901] close(5 [pid 3905] close(5 [pid 3904] close(5 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(6 [pid 3904] close(6 [pid 3901] close(6 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(7 [pid 3904] close(7) = -1 EBADF (Bad file descriptor) [pid 3904] close(8) = -1 EBADF (Bad file descriptor) [pid 3904] close(9) = -1 EBADF (Bad file descriptor) [pid 3904] close(10 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(7 [pid 3905] close(8 [pid 3904] close(11 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(8 [pid 3905] close(9 [pid 3904] close(12 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(9 [pid 3905] close(10 [pid 3904] close(13 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(10 [pid 3904] close(14) = -1 EBADF (Bad file descriptor) [pid 3904] close(15) = -1 EBADF (Bad file descriptor) [pid 3904] close(16) = -1 EBADF (Bad file descriptor) [pid 3904] close(17 [pid 3905] close(11 [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] close(18 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(12 [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(11 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] close(19 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(13 [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(12 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] close(20 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(14 [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(13 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] close(21 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(15 [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] close(22) = -1 EBADF (Bad file descriptor) [pid 3904] close(23) = -1 EBADF (Bad file descriptor) [pid 3904] close(24) = -1 EBADF (Bad file descriptor) [pid 3904] close(25) = -1 EBADF (Bad file descriptor) [pid 3904] close(26) = -1 EBADF (Bad file descriptor) [pid 3904] close(27) = -1 EBADF (Bad file descriptor) [pid 3904] close(28) = -1 EBADF (Bad file descriptor) [pid 3904] close(29 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(14 [pid 3905] close(16 [pid 3904] exit_group(0 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... exit_group resumed>) = ? [pid 3901] close(15 [pid 3905] close(17 [pid 3904] +++ exited with 0 +++ [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(16 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3905] close(18 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(17 [pid 3905] close(19 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(18 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(20 [pid 3901] close(19 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(21 [pid 3901] close(20 [pid 3622] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3905] close(22 [pid 3901] close(21 [pid 3622] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 3901] close(22 [pid 3905] close(23 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(23 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3905] close(24 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(24 [pid 3905] close(25 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 75.076018][ T3905] siw: device registration error -23 [pid 3901] close(25 [pid 3905] close(26 [pid 3622] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3905] close(27 [pid 3901] close(26 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./35/binderfs", [pid 3905] close(28 [pid 3901] close(27 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3905] close(29 [pid 3901] close(28 [pid 3905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./35/binderfs" [pid 3905] exit_group(0 [pid 3901] close(29 [pid 3905] <... exit_group resumed>) = ? [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3905] +++ exited with 0 +++ [pid 3901] exit_group(0 [pid 3622] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3901] <... exit_group resumed>) = ? [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3901] +++ exited with 0 +++ [pid 3622] lstat("./35/cgroup", [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3622] unlink("./35/cgroup" [pid 3623] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 3 [pid 3619] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./35/cgroup.net", [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./35/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./34/binderfs", [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./35/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./34/binderfs" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3622] lstat("./35/cpuset.effective_cpus", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./34/cgroup", [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./35/cpuset.effective_cpus" [pid 3623] unlink("./34/cgroup" [pid 3619] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./29/binderfs", [pid 3623] lstat("./34/cgroup.net", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./34/cgroup.net" [pid 3622] lstat("./35/cgroup.cpu", [pid 3619] unlink("./29/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./34/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./35/cgroup.cpu" [pid 3619] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./34/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./34/cpuset.effective_cpus" [pid 3622] getdents64(3, [pid 3619] lstat("./29/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./34/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./34") = 0 [pid 3623] mkdir("./35", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 3908 attached [pid 3622] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3908] chdir("./35" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 37 [pid 3908] <... chdir resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] unlink("./29/cgroup" [pid 3622] rmdir("./35" [pid 3908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... unlink resumed>) = 0 [pid 3908] <... prctl resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] mkdir("./36", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3908] setpgid(0, 0) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] lstat("./29/cgroup.net", [pid 3908] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3908] <... symlink resumed>) = 0 [pid 3908] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu"./strace-static-x86_64: Process 3910 attached [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 38 [pid 3619] unlink("./29/cgroup.net" [pid 3910] chdir("./36" [pid 3908] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3910] <... chdir resumed>) = 0 [pid 3908] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] umount2("./29/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3908] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3910] <... prctl resumed>) = 0 [pid 3908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3910] setpgid(0, 0 [pid 3908] <... openat resumed>) = 3 [pid 3619] lstat("./29/cpuset.effective_cpus", [pid 3910] <... setpgid resumed>) = 0 [pid 3908] write(3, "1000", 4 [pid 3910] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3908] <... write resumed>) = 4 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3910] <... symlink resumed>) = 0 [pid 3908] close(3 [pid 3910] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3908] <... close resumed>) = 0 [pid 3619] unlink("./29/cpuset.effective_cpus" [pid 3910] <... symlink resumed>) = 0 [pid 3908] symlink("/dev/binderfs", "./binderfs" [pid 3910] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3908] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3910] <... symlink resumed>) = 0 [pid 3908] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3908] <... socket resumed>) = 3 [pid 3619] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3910] <... openat resumed>) = 3 [pid 3908] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3910] write(3, "1000", 4 [pid 3908] <... sendmsg resumed>) = 56 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3910] <... write resumed>) = 4 [pid 3908] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] lstat("./29/cgroup.cpu", [pid 3910] close(3 [pid 3908] <... openat resumed>) = 4 [pid 3910] <... close resumed>) = 0 [pid 3908] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3910] symlink("/dev/binderfs", "./binderfs" [pid 3619] unlink("./29/cgroup.cpu" [pid 3910] <... symlink resumed>) = 0 [pid 3910] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... unlink resumed>) = 0 [pid 3910] <... socket resumed>) = 3 [pid 3619] getdents64(3, [pid 3910] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3910] <... sendmsg resumed>) = 56 [pid 3910] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] close(3 [pid 3910] <... openat resumed>) = 4 [pid 3619] <... close resumed>) = 0 [pid 3910] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] rmdir("./29") = 0 [pid 3619] mkdir("./30", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3912 attached [pid 3912] chdir("./30") = 0 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3912] setpgid(0, 0) = 0 [pid 3912] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3912] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3912] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 32 [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3912] write(3, "1000", 4) = 4 [pid 3912] close(3) = 0 [pid 3912] symlink("/dev/binderfs", "./binderfs") = 0 [ 75.233619][ T3908] siw: device registration error -23 [pid 3912] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3912] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3912] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3910] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3908] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3910] close(3 [pid 3912] <... openat resumed>) = 4 [pid 3910] <... close resumed>) = 0 [pid 3908] close(3 [pid 3910] close(4 [pid 3912] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3910] <... close resumed>) = 0 [pid 3908] <... close resumed>) = 0 [pid 3910] close(5) = -1 EBADF (Bad file descriptor) [pid 3912] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3908] close(4 [pid 3912] close(3 [pid 3908] <... close resumed>) = 0 [pid 3912] <... close resumed>) = 0 [pid 3908] close(5 [pid 3912] close(4 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = 0 [pid 3908] close(6 [pid 3912] close(5 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(6 [pid 3908] close(7 [pid 3912] close(6 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(7 [pid 3908] close(8 [pid 3912] close(7 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(8 [pid 3908] close(9 [pid 3912] close(8 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(9 [pid 3908] close(10 [pid 3912] close(9 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(10 [pid 3908] close(11 [pid 3912] close(10 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(11 [pid 3908] close(12 [pid 3912] close(11 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(12 [pid 3908] close(13 [pid 3912] close(12 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(13 [pid 3908] close(14 [pid 3912] close(13 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 75.281319][ T3912] siw: device registration error -23 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(14 [pid 3908] close(15 [pid 3912] close(14 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(16 [pid 3912] close(15 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(17 [pid 3912] close(16 [pid 3910] close(15 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(18 [pid 3912] close(17 [pid 3910] close(16 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(19 [pid 3912] close(18 [pid 3910] close(17 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(20 [pid 3912] close(19 [pid 3910] close(18 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(21 [pid 3912] close(20 [pid 3910] close(19 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(22 [pid 3912] close(21 [pid 3910] close(20 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(23 [pid 3912] close(22 [pid 3910] close(21 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(24 [pid 3912] close(23 [pid 3910] close(22 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(25 [pid 3912] close(24 [pid 3910] close(23 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(26 [pid 3912] close(25 [pid 3910] close(24 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(27 [pid 3912] close(26 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(28 [pid 3912] close(27 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] close(29 [pid 3912] close(28 [pid 3908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] exit_group(0 [pid 3912] close(29 [pid 3908] <... exit_group resumed>) = ? [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] +++ exited with 0 +++ [pid 3912] exit_group(0 [pid 3910] close(25 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3912] <... exit_group resumed>) = ? [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] +++ exited with 0 +++ [pid 3910] close(26) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3910] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3910] close(28 [pid 3623] <... openat resumed>) = 3 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3619] <... restart_syscall resumed>) = 0 [pid 3910] close(29 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3910] exit_group(0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3910] <... exit_group resumed>) = ? [pid 3623] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./35/binderfs" [pid 3910] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./35/cgroup") = 0 [pid 3623] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./35/cgroup.net") = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./35/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./35/cpuset.effective_cpus", [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./35/cpuset.effective_cpus" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, [pid 3622] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... openat resumed>) = 3 [pid 3619] lstat("./30/binderfs", [pid 3622] fstat(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] unlink("./30/binderfs" [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cgroup", [pid 3622] lstat("./36/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./30/cgroup" [pid 3622] unlink("./36/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cgroup.net", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./36/cgroup", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./35/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./30/cgroup.net" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./36/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./35/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./30/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cpuset.effective_cpus", [pid 3622] lstat("./36/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./30/cpuset.effective_cpus" [pid 3623] getdents64(3, [pid 3622] unlink("./36/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./36/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cgroup.cpu", [pid 3622] lstat("./36/cpuset.effective_cpus", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./30/cgroup.cpu" [pid 3623] close(3 [pid 3622] unlink("./36/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] rmdir("./35" [pid 3622] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] close(3 [pid 3622] lstat("./36/cgroup.cpu", [pid 3619] <... close resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] rmdir("./30" [pid 3623] mkdir("./36", 0777 [pid 3622] unlink("./36/cgroup.cpu" [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] mkdir("./31", 0777 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] getdents64(3, [pid 3619] <... mkdir resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3916 attached ./strace-static-x86_64: Process 3917 attached [pid 3622] close(3 [pid 3917] chdir("./31" [pid 3916] chdir("./36" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 38 [pid 3622] <... close resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 33 [pid 3622] rmdir("./36" [pid 3917] <... chdir resumed>) = 0 [pid 3916] <... chdir resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3622] mkdir("./37", 0777 [pid 3917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3918 attached [pid 3917] <... prctl resumed>) = 0 [pid 3916] <... prctl resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 39 [pid 3918] chdir("./37" [pid 3917] setpgid(0, 0 [pid 3916] setpgid(0, 0 [pid 3918] <... chdir resumed>) = 0 [pid 3917] <... setpgid resumed>) = 0 [pid 3916] <... setpgid resumed>) = 0 [pid 3916] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3917] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3916] <... symlink resumed>) = 0 [pid 3918] <... prctl resumed>) = 0 [pid 3917] <... symlink resumed>) = 0 [pid 3916] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3918] setpgid(0, 0 [pid 3917] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3916] <... symlink resumed>) = 0 [pid 3918] <... setpgid resumed>) = 0 [pid 3917] <... symlink resumed>) = 0 [pid 3916] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3918] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3917] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3916] <... symlink resumed>) = 0 [pid 3918] <... symlink resumed>) = 0 [pid 3917] <... symlink resumed>) = 0 [pid 3916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3918] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3916] <... openat resumed>) = 3 [pid 3918] <... symlink resumed>) = 0 [pid 3917] <... openat resumed>) = 3 [pid 3916] write(3, "1000", 4 [pid 3918] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3917] write(3, "1000", 4 [pid 3916] <... write resumed>) = 4 [pid 3918] <... symlink resumed>) = 0 [pid 3917] <... write resumed>) = 4 [pid 3916] close(3 [pid 3918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3917] close(3 [pid 3916] <... close resumed>) = 0 [pid 3918] <... openat resumed>) = 3 [pid 3917] <... close resumed>) = 0 [pid 3916] symlink("/dev/binderfs", "./binderfs" [pid 3918] write(3, "1000", 4 [pid 3917] symlink("/dev/binderfs", "./binderfs" [pid 3916] <... symlink resumed>) = 0 [pid 3918] <... write resumed>) = 4 [pid 3917] <... symlink resumed>) = 0 [pid 3916] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3918] close(3 [pid 3917] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3916] <... socket resumed>) = 3 [pid 3918] <... close resumed>) = 0 [pid 3917] <... socket resumed>) = 3 [pid 3916] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3918] symlink("/dev/binderfs", "./binderfs" [pid 3917] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3916] <... sendmsg resumed>) = 56 [pid 3918] <... symlink resumed>) = 0 [pid 3917] <... sendmsg resumed>) = 56 [pid 3916] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3918] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3917] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3916] <... openat resumed>) = 4 [pid 3918] <... socket resumed>) = 3 [pid 3917] <... openat resumed>) = 4 [pid 3916] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3918] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3917] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3918] <... sendmsg resumed>) = 56 [pid 3918] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3918] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3917] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3917] close(3 [pid 3918] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3917] <... close resumed>) = 0 [pid 3918] close(3 [pid 3917] close(4) = 0 [pid 3917] close(5 [pid 3918] <... close resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(4 [pid 3917] close(6) = -1 EBADF (Bad file descriptor) [pid 3917] close(7) = -1 EBADF (Bad file descriptor) [pid 3918] <... close resumed>) = 0 [pid 3918] close(5 [pid 3917] close(8) = -1 EBADF (Bad file descriptor) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 75.448869][ T3916] siw: device registration error -23 [ 75.455909][ T3917] siw: device registration error -23 [pid 3917] close(9) = -1 EBADF (Bad file descriptor) [pid 3918] close(6) = -1 EBADF (Bad file descriptor) [pid 3918] close(7) = -1 EBADF (Bad file descriptor) [pid 3918] close(8) = -1 EBADF (Bad file descriptor) [pid 3918] close(9) = -1 EBADF (Bad file descriptor) [pid 3918] close(10) = -1 EBADF (Bad file descriptor) [pid 3918] close(11) = -1 EBADF (Bad file descriptor) [pid 3918] close(12) = -1 EBADF (Bad file descriptor) [pid 3918] close(13) = -1 EBADF (Bad file descriptor) [pid 3918] close(14) = -1 EBADF (Bad file descriptor) [pid 3918] close(15) = -1 EBADF (Bad file descriptor) [pid 3918] close(16) = -1 EBADF (Bad file descriptor) [pid 3918] close(17 [pid 3917] close(10 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(18) = -1 EBADF (Bad file descriptor) [pid 3917] close(11 [pid 3918] close(19 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(12 [pid 3918] close(20 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(13 [pid 3918] close(21 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(14 [pid 3918] close(22 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(23 [pid 3917] close(15 [pid 3916] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] close(3 [pid 3918] close(24 [pid 3917] close(16 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = 0 [pid 3918] close(25 [pid 3917] close(17 [pid 3916] close(4 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = 0 [pid 3918] close(26 [pid 3917] close(18 [pid 3916] close(5 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(27 [pid 3917] close(19 [pid 3916] close(6 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(28 [pid 3917] close(20 [pid 3916] close(7 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(29 [pid 3917] close(21 [pid 3916] close(8 [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] exit_group(0 [pid 3917] close(22 [pid 3916] close(9 [pid 3918] <... exit_group resumed>) = ? [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(23 [pid 3916] close(10 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(24 [pid 3916] close(11 [pid 3918] +++ exited with 0 +++ [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(25 [pid 3916] close(12 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3917] close(26 [pid 3916] close(13 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... restart_syscall resumed>) = 0 [pid 3917] close(27 [pid 3916] close(14 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(28 [pid 3916] close(15 [pid 3622] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3917] close(29 [pid 3916] close(16 [pid 3622] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 3917] exit_group(0 [pid 3916] close(17 [pid 3622] fstat(3, [pid 3917] <... exit_group resumed>) = ? [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3917] +++ exited with 0 +++ [pid 3916] close(18 [pid 3622] getdents64(3, [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3916] close(19 [pid 3622] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3916] close(20 [pid 3622] lstat("./37/binderfs", [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3916] close(21 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./37/binderfs" [pid 3916] close(22 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3916] close(23 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./37/cgroup", [pid 3619] <... openat resumed>) = 3 [pid 3916] close(24 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] fstat(3, [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./37/cgroup" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3916] close(25 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3916] close(26 [pid 3619] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3916] close(27 [pid 3619] lstat("./31/binderfs", [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3916] close(28 [pid 3619] unlink("./31/binderfs" [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3916] close(29 [pid 3622] lstat("./37/cgroup.net", [pid 3619] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3916] exit_group(0 [pid 3622] unlink("./37/cgroup.net" [pid 3619] lstat("./31/cgroup", [pid 3916] <... exit_group resumed>) = ? [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3916] +++ exited with 0 +++ [pid 3622] umount2("./37/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./31/cgroup" [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3622] lstat("./37/cpuset.effective_cpus", [pid 3619] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./37/cpuset.effective_cpus" [pid 3619] lstat("./31/cgroup.net", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./31/cgroup.net" [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./31/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./37/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./31/cpuset.effective_cpus", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] unlink("./37/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./31/cpuset.effective_cpus" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./31/cgroup.cpu" [pid 3623] lstat("./36/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] close(3 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./31" [pid 3623] unlink("./36/binderfs" [pid 3622] <... close resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] rmdir("./37" [pid 3619] mkdir("./32", 0777 [pid 3623] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./38", 0777 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3923 attached [pid 3623] lstat("./36/cgroup", [pid 3622] <... mkdir resumed>) = 0 [pid 3923] chdir("./32" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 34 [pid 3923] <... chdir resumed>) = 0 [pid 3623] unlink("./36/cgroup"./strace-static-x86_64: Process 3924 attached [pid 3924] chdir("./38" [pid 3923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 40 [pid 3924] <... chdir resumed>) = 0 [pid 3923] <... prctl resumed>) = 0 [pid 3623] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3923] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] <... prctl resumed>) = 0 [pid 3923] <... setpgid resumed>) = 0 [pid 3623] lstat("./36/cgroup.net", [pid 3924] setpgid(0, 0 [pid 3923] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3924] <... setpgid resumed>) = 0 [pid 3924] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3923] <... symlink resumed>) = 0 [pid 3924] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3924] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3923] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] unlink("./36/cgroup.net" [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3923] <... symlink resumed>) = 0 [pid 3924] <... openat resumed>) = 3 [pid 3923] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3924] write(3, "1000", 4 [pid 3923] <... symlink resumed>) = 0 [pid 3623] umount2("./36/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3924] <... write resumed>) = 4 [pid 3923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] close(3) = 0 [pid 3923] <... openat resumed>) = 3 [pid 3623] lstat("./36/cpuset.effective_cpus", [pid 3924] symlink("/dev/binderfs", "./binderfs" [pid 3923] write(3, "1000", 4 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3924] <... symlink resumed>) = 0 [pid 3923] <... write resumed>) = 4 [pid 3623] unlink("./36/cpuset.effective_cpus" [pid 3924] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3923] close(3 [pid 3924] <... socket resumed>) = 3 [pid 3924] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3924] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3923] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3924] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3923] symlink("/dev/binderfs", "./binderfs" [pid 3623] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3923] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3923] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] lstat("./36/cgroup.cpu", [pid 3923] <... socket resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3923] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] unlink("./36/cgroup.cpu" [pid 3923] <... sendmsg resumed>) = 56 [pid 3623] <... unlink resumed>) = 0 [pid 3923] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] getdents64(3, [pid 3923] <... openat resumed>) = 4 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3923] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./36") = 0 [pid 3623] mkdir("./37", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3926 attached [pid 3926] chdir("./37" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 39 [pid 3926] <... chdir resumed>) = 0 [pid 3926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3926] setpgid(0, 0) = 0 [pid 3926] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3926] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3926] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3926] write(3, "1000", 4) = 4 [pid 3926] close(3) = 0 [pid 3926] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3926] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3926] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [ 75.682323][ T3923] siw: device registration error -23 [pid 3926] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3924] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3923] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3926] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3924] close(3 [pid 3926] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3923] close(3 [pid 3926] close(3) = 0 [pid 3923] <... close resumed>) = 0 [pid 3926] close(4) = 0 [pid 3923] close(4 [pid 3926] close(5) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = 0 [pid 3926] close(6) = -1 EBADF (Bad file descriptor) [pid 3923] close(5 [pid 3926] close(7 [pid 3924] <... close resumed>) = 0 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(4 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(8 [pid 3924] <... close resumed>) = 0 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(5 [pid 3923] close(6 [pid 3926] close(9 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(6 [pid 3923] close(7 [pid 3926] close(10 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(7 [pid 3923] close(8 [pid 3926] close(11 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(8 [pid 3923] close(9 [pid 3926] close(12 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(9 [pid 3923] close(10 [pid 3926] close(13 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(11 [pid 3926] close(14 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(12 [pid 3926] close(15 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(13 [pid 3926] close(16 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(10 [pid 3923] close(14 [pid 3926] close(17 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(11 [pid 3923] close(15 [pid 3926] close(18 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(12 [pid 3923] close(16 [pid 3926] close(19 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(13 [ 75.738425][ T3926] siw: device registration error -23 [pid 3923] close(17 [pid 3926] close(20 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(14 [pid 3923] close(18 [pid 3926] close(21 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(15 [pid 3923] close(19 [pid 3926] close(22 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(16 [pid 3923] close(20 [pid 3926] close(23 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(17 [pid 3923] close(21 [pid 3926] close(24 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(22 [pid 3926] close(25 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(23 [pid 3926] close(26 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(24 [pid 3926] close(27 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(25 [pid 3926] close(28 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(18 [pid 3923] close(26 [pid 3926] close(29 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(19 [pid 3923] close(27 [pid 3926] exit_group(0 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... exit_group resumed>) = ? [pid 3924] close(20 [pid 3923] close(28 [pid 3926] +++ exited with 0 +++ [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(21 [pid 3923] close(29 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(22 [pid 3923] exit_group(0 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] <... exit_group resumed>) = ? [pid 3924] close(23 [pid 3923] +++ exited with 0 +++ [pid 3623] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] close(24 [pid 3623] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3924] close(25 [pid 3623] fstat(3, [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] close(26 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3924] close(27 [pid 3623] getdents64(3, [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... openat resumed>) = 3 [pid 3924] close(28) = -1 EBADF (Bad file descriptor) [pid 3924] close(29) = -1 EBADF (Bad file descriptor) [pid 3924] exit_group(0) = ? [pid 3924] +++ exited with 0 +++ [pid 3623] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3622] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, [pid 3623] lstat("./37/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] unlink("./37/binderfs" [pid 3622] lstat("./38/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./38/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./37/cgroup", [pid 3622] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./37/cgroup" [pid 3622] lstat("./38/cgroup", [pid 3619] lstat("./32/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./38/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./32/binderfs" [pid 3623] lstat("./37/cgroup.net", [pid 3622] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./37/cgroup.net" [pid 3622] lstat("./38/cgroup.net", [pid 3619] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./37/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./38/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./32/cgroup", [pid 3623] lstat("./37/cpuset.effective_cpus", [pid 3622] umount2("./38/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./38/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./38/cpuset.effective_cpus" [pid 3623] unlink("./37/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./32/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./38/cgroup.cpu", [pid 3619] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./37/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./38/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./37/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./32/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3623] getdents64(3, [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3 [pid 3619] unlink("./32/cgroup.net" [pid 3623] close(3 [pid 3622] <... close resumed>) = 0 [pid 3622] rmdir("./38" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] rmdir("./37" [pid 3622] mkdir("./39", 0777 [pid 3619] umount2("./32/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3623] mkdir("./38", 0777 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 41 ./strace-static-x86_64: Process 3930 attached [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./32/cpuset.effective_cpus", ./strace-static-x86_64: Process 3931 attached [pid 3930] chdir("./39" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3931] chdir("./38" [pid 3930] <... chdir resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 40 [pid 3619] unlink("./32/cpuset.effective_cpus" [pid 3931] <... chdir resumed>) = 0 [pid 3930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... unlink resumed>) = 0 [pid 3930] <... prctl resumed>) = 0 [pid 3619] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3930] setpgid(0, 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3930] <... setpgid resumed>) = 0 [pid 3619] lstat("./32/cgroup.cpu", [pid 3931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3930] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3931] <... prctl resumed>) = 0 [pid 3930] <... symlink resumed>) = 0 [pid 3619] unlink("./32/cgroup.cpu" [pid 3931] setpgid(0, 0 [pid 3930] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3931] <... setpgid resumed>) = 0 [pid 3930] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3931] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3930] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3931] <... symlink resumed>) = 0 [pid 3930] <... symlink resumed>) = 0 [pid 3619] close(3 [pid 3931] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3931] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3931] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3930] <... openat resumed>) = 3 [pid 3619] rmdir("./32" [pid 3931] <... symlink resumed>) = 0 [pid 3931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3931] write(3, "1000", 4) = 4 [pid 3931] close(3) = 0 [pid 3931] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... rmdir resumed>) = 0 [pid 3931] <... symlink resumed>) = 0 [pid 3930] write(3, "1000", 4 [pid 3619] mkdir("./33", 0777 [pid 3931] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3930] <... write resumed>) = 4 [pid 3931] <... socket resumed>) = 3 [pid 3931] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3930] close(3 [pid 3619] <... mkdir resumed>) = 0 [pid 3931] <... sendmsg resumed>) = 56 [pid 3930] <... close resumed>) = 0 [pid 3931] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3930] symlink("/dev/binderfs", "./binderfs" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3931] <... openat resumed>) = 4 [pid 3931] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3930] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 3933 attached [pid 3930] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3933] chdir("./33") = 0 [pid 3930] <... socket resumed>) = 3 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 35 [pid 3933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3930] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3933] setpgid(0, 0) = 0 [pid 3930] <... sendmsg resumed>) = 56 [pid 3933] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3930] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3933] <... symlink resumed>) = 0 [pid 3933] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3930] <... openat resumed>) = 4 [pid 3933] <... symlink resumed>) = 0 [pid 3930] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3933] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3933] write(3, "1000", 4) = 4 [pid 3933] close(3) = 0 [pid 3933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3933] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3933] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3933] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3933] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3931] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3933] close(3) = 0 [pid 3933] close(4) = 0 [pid 3933] close(5) = -1 EBADF (Bad file descriptor) [pid 3933] close(6) = -1 EBADF (Bad file descriptor) [pid 3933] close(7) = -1 EBADF (Bad file descriptor) [pid 3933] close(8) = -1 EBADF (Bad file descriptor) [pid 3933] close(9) = -1 EBADF (Bad file descriptor) [pid 3933] close(10) = -1 EBADF (Bad file descriptor) [pid 3933] close(11) = -1 EBADF (Bad file descriptor) [pid 3933] close(12) = -1 EBADF (Bad file descriptor) [pid 3933] close(13 [pid 3931] close(3 [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = 0 [pid 3933] close(14 [pid 3931] close(4 [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(15 [pid 3931] <... close resumed>) = 0 [pid 3931] close(5) = -1 EBADF (Bad file descriptor) [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(16 [pid 3931] close(6) = -1 EBADF (Bad file descriptor) [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(7 [pid 3933] close(17 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(18) = -1 EBADF (Bad file descriptor) [pid 3931] close(8 [pid 3933] close(19 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(9 [pid 3933] close(20) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(21) = -1 EBADF (Bad file descriptor) [pid 3933] close(22) = -1 EBADF (Bad file descriptor) [pid 3933] close(23) = -1 EBADF (Bad file descriptor) [pid 3933] close(24) = -1 EBADF (Bad file descriptor) [pid 3933] close(25) = -1 EBADF (Bad file descriptor) [pid 3933] close(26 [pid 3931] close(10 [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(27 [pid 3931] close(11 [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(28 [pid 3931] close(12 [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] close(29 [pid 3931] close(13 [pid 3933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 75.887259][ T3931] siw: device registration error -23 [ 75.925216][ T3933] siw: device registration error -23 [pid 3933] exit_group(0 [pid 3931] close(14 [pid 3933] <... exit_group resumed>) = ? [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3933] +++ exited with 0 +++ [pid 3931] close(15) = -1 EBADF (Bad file descriptor) [pid 3931] close(16) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3931] close(17 [pid 3619] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3931] close(18 [pid 3619] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(19 [pid 3930] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3619] <... openat resumed>) = 3 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] close(3 [pid 3619] fstat(3, [pid 3931] close(20 [pid 3930] <... close resumed>) = 0 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] close(4 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3931] close(21 [pid 3930] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(22 [pid 3930] close(5 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3931] close(23 [pid 3930] close(6 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./33/binderfs", [pid 3931] close(24 [pid 3930] close(7 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3931] close(25 [pid 3930] close(8 [pid 3619] unlink("./33/binderfs" [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(26 [pid 3930] close(9 [pid 3619] <... unlink resumed>) = 0 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3931] close(27 [pid 3930] close(10 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./33/cgroup", [pid 3931] close(28 [pid 3930] close(11 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3931] close(29 [pid 3930] close(12 [pid 3619] unlink("./33/cgroup" [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] close(13) = -1 EBADF (Bad file descriptor) [pid 3930] close(14) = -1 EBADF (Bad file descriptor) [pid 3930] close(15) = -1 EBADF (Bad file descriptor) [pid 3930] close(16) = -1 EBADF (Bad file descriptor) [pid 3930] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3930] close(18) = -1 EBADF (Bad file descriptor) [pid 3930] close(19) = -1 EBADF (Bad file descriptor) [pid 3930] close(20) = -1 EBADF (Bad file descriptor) [pid 3930] close(21) = -1 EBADF (Bad file descriptor) [pid 3930] close(22 [pid 3931] exit_group(0 [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3931] <... exit_group resumed>) = ? [pid 3930] close(23) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3930] close(24 [pid 3931] +++ exited with 0 +++ [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./33/cgroup.net", [pid 3930] close(25 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3930] close(26) = -1 EBADF (Bad file descriptor) [pid 3930] close(27) = -1 EBADF (Bad file descriptor) [pid 3930] close(28) = -1 EBADF (Bad file descriptor) [pid 3930] close(29) = -1 EBADF (Bad file descriptor) [pid 3930] exit_group(0) = ? [pid 3930] +++ exited with 0 +++ [pid 3623] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] unlink("./33/cgroup.net" [pid 3623] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... openat resumed>) = 3 [pid 3622] <... restart_syscall resumed>) = 0 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 3622] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./38/binderfs", [pid 3622] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./38/binderfs" [pid 3622] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./38/cgroup", [pid 3622] lstat("./39/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./38/cgroup" [pid 3622] unlink("./39/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./33/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./38/cgroup.net", [pid 3622] lstat("./39/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./38/cgroup.net" [pid 3622] unlink("./39/cgroup" [pid 3619] lstat("./33/cpuset.effective_cpus", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./38/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./33/cpuset.effective_cpus" [pid 3623] lstat("./38/cpuset.effective_cpus", [pid 3622] lstat("./39/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./38/cpuset.effective_cpus" [pid 3622] unlink("./39/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./39/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./38/cgroup.cpu", [pid 3622] lstat("./39/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./33/cgroup.cpu", [pid 3623] unlink("./38/cgroup.cpu" [pid 3622] unlink("./39/cpuset.effective_cpus" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] getdents64(3, [pid 3622] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./33/cgroup.cpu" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3622] lstat("./39/cgroup.cpu", [pid 3623] <... close resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] rmdir("./38" [pid 3622] unlink("./39/cgroup.cpu" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] mkdir("./39", 0777 [pid 3622] getdents64(3, [pid 3619] getdents64(3, [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] close(3 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 3936 attached [pid 3622] <... close resumed>) = 0 [pid 3619] close(3 [pid 3936] chdir("./39" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 41 [pid 3622] rmdir("./39" [pid 3936] <... chdir resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] mkdir("./40", 0777 [pid 3619] rmdir("./33" [pid 3936] <... prctl resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3937 attached [pid 3936] setpgid(0, 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3937] chdir("./40" [pid 3936] <... setpgid resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 42 [pid 3937] <... chdir resumed>) = 0 [pid 3936] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] mkdir("./34", 0777 [pid 3937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3936] <... symlink resumed>) = 0 [pid 3937] <... prctl resumed>) = 0 [pid 3936] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... mkdir resumed>) = 0 [pid 3937] setpgid(0, 0 [pid 3936] <... symlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3937] <... setpgid resumed>) = 0 [pid 3936] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3937] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 3938 attached ) = 0 [pid 3936] <... symlink resumed>) = 0 [pid 3938] chdir("./34" [pid 3937] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 36 [pid 3938] <... chdir resumed>) = 0 [pid 3937] <... symlink resumed>) = 0 [pid 3938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3937] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3936] <... openat resumed>) = 3 [pid 3938] <... prctl resumed>) = 0 [pid 3937] <... symlink resumed>) = 0 [pid 3936] write(3, "1000", 4 [pid 3938] setpgid(0, 0 [pid 3937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3936] <... write resumed>) = 4 [pid 3938] <... setpgid resumed>) = 0 [pid 3937] <... openat resumed>) = 3 [pid 3936] close(3 [pid 3938] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3937] write(3, "1000", 4 [pid 3936] <... close resumed>) = 0 [pid 3938] <... symlink resumed>) = 0 [pid 3937] <... write resumed>) = 4 [pid 3936] symlink("/dev/binderfs", "./binderfs" [pid 3938] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3937] close(3 [pid 3936] <... symlink resumed>) = 0 [pid 3938] <... symlink resumed>) = 0 [pid 3937] <... close resumed>) = 0 [pid 3936] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3938] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3937] symlink("/dev/binderfs", "./binderfs" [pid 3936] <... socket resumed>) = 3 [pid 3938] <... symlink resumed>) = 0 [pid 3937] <... symlink resumed>) = 0 [pid 3938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3937] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3936] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3938] <... openat resumed>) = 3 [pid 3937] <... socket resumed>) = 3 [pid 3936] <... sendmsg resumed>) = 56 [pid 3938] write(3, "1000", 4 [pid 3937] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3936] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3938] <... write resumed>) = 4 [pid 3937] <... sendmsg resumed>) = 56 [pid 3938] close(3 [pid 3937] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3936] <... openat resumed>) = 4 [pid 3938] <... close resumed>) = 0 [pid 3937] <... openat resumed>) = 4 [pid 3936] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3938] symlink("/dev/binderfs", "./binderfs" [pid 3937] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3938] <... symlink resumed>) = 0 [pid 3938] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3938] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3938] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 76.114193][ T3936] siw: device registration error -23 [pid 3938] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3936] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3936] close(3) = 0 [pid 3936] close(4) = 0 [pid 3936] close(5) = -1 EBADF (Bad file descriptor) [pid 3936] close(6) = -1 EBADF (Bad file descriptor) [pid 3936] close(7) = -1 EBADF (Bad file descriptor) [pid 3936] close(8) = -1 EBADF (Bad file descriptor) [pid 3936] close(9) = -1 EBADF (Bad file descriptor) [pid 3936] close(10 [pid 3938] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] close(11) = -1 EBADF (Bad file descriptor) [pid 3938] close(3 [pid 3936] close(12 [pid 3937] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] close(13 [pid 3938] <... close resumed>) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(4 [pid 3937] close(3 [pid 3936] close(14 [pid 3938] <... close resumed>) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = 0 [pid 3938] close(5 [pid 3937] close(4 [pid 3936] close(15 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(6 [pid 3937] close(5 [pid 3936] close(16 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(7 [pid 3937] close(6 [ 76.139863][ T3938] siw: device registration error -23 [ 76.152732][ T1154] cfg80211: failed to load regulatory.db [pid 3936] close(17 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(8 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(7 [pid 3936] close(18 [pid 3938] close(9 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(8 [pid 3936] close(19 [pid 3938] close(10 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(9 [pid 3938] close(11 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] close(20 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(10 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(12 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] close(21 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(11 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(13 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] close(22 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(12 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(14 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] close(23 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(13 [pid 3938] close(15 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(14 [pid 3936] close(24 [pid 3938] close(16 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(15 [pid 3936] close(25 [pid 3938] close(17 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(16 [pid 3936] close(26 [pid 3938] close(18 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(17 [pid 3936] close(27 [pid 3938] close(19 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(18 [pid 3936] close(28 [pid 3938] close(20 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(19 [pid 3936] close(29 [pid 3938] close(21 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(20 [pid 3938] close(22 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] exit_group(0 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(21 [pid 3936] <... exit_group resumed>) = ? [pid 3938] close(23 [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3936] +++ exited with 0 +++ [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] close(22 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3938] close(24) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3938] close(25 [pid 3937] close(23 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(26 [pid 3937] close(24 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] close(27 [pid 3937] close(25 [pid 3623] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3938] close(28 [pid 3937] close(26 [pid 3623] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3938] close(29 [pid 3937] close(27 [pid 3938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3938] exit_group(0 [pid 3937] close(28 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3938] <... exit_group resumed>) = ? [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3938] +++ exited with 0 +++ [pid 3937] close(29 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3937] exit_group(0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... restart_syscall resumed>) = 0 [pid 3937] <... exit_group resumed>) = ? [pid 3623] lstat("./39/binderfs", [pid 3619] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3937] +++ exited with 0 +++ [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] unlink("./39/binderfs" [pid 3619] fstat(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] lstat("./39/cgroup", [pid 3619] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./34/binderfs") = 0 [pid 3619] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./34/cgroup") = 0 [pid 3619] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./34/cgroup.net") = 0 [pid 3619] umount2("./34/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/cpuset.effective_cpus", [pid 3623] unlink("./39/cgroup" [pid 3622] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./34/cpuset.effective_cpus" [pid 3623] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... openat resumed>) = 3 [pid 3619] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./39/cgroup.net", [pid 3622] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./34/cgroup.cpu", [pid 3623] unlink("./39/cgroup.net" [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./34/cgroup.cpu" [pid 3623] umount2("./39/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] lstat("./39/cpuset.effective_cpus", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] lstat("./40/binderfs", [pid 3619] close(3 [pid 3623] unlink("./39/cpuset.effective_cpus" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./34") = 0 [pid 3619] mkdir("./35", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./40/binderfs" [pid 3619] <... mkdir resumed>) = 0 [pid 3623] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558f4690) = 37 ./strace-static-x86_64: Process 3940 attached [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3940] chdir("./35" [pid 3623] lstat("./39/cgroup.cpu", [pid 3622] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./39/cgroup.cpu" [pid 3622] lstat("./40/cgroup", [pid 3940] <... prctl resumed>) = 0 [pid 3940] setpgid(0, 0 [pid 3623] <... unlink resumed>) = 0 [pid 3940] <... setpgid resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3940] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] unlink("./40/cgroup" [pid 3940] <... symlink resumed>) = 0 [pid 3623] close(3 [pid 3940] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3940] <... symlink resumed>) = 0 [pid 3623] rmdir("./39" [pid 3940] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... symlink resumed>) = 0 [pid 3940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] mkdir("./40", 0777 [pid 3622] lstat("./40/cgroup.net", [pid 3940] <... openat resumed>) = 3 [pid 3623] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3940] write(3, "1000", 4./strace-static-x86_64: Process 3942 attached [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 42 [pid 3622] unlink("./40/cgroup.net" [pid 3940] <... write resumed>) = 4 [pid 3942] chdir("./40") = 0 [pid 3940] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3940] <... close resumed>) = 0 [pid 3622] umount2("./40/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3942] <... prctl resumed>) = 0 [pid 3940] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3942] setpgid(0, 0) = 0 [pid 3940] <... symlink resumed>) = 0 [pid 3622] lstat("./40/cpuset.effective_cpus", [pid 3942] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3940] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3942] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3942] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3940] <... socket resumed>) = 3 [pid 3622] unlink("./40/cpuset.effective_cpus" [pid 3942] <... symlink resumed>) = 0 [pid 3940] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3622] <... unlink resumed>) = 0 [pid 3942] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3940] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3942] <... symlink resumed>) = 0 [pid 3940] <... openat resumed>) = 4 [pid 3942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3942] <... openat resumed>) = 3 [pid 3940] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] lstat("./40/cgroup.cpu", [pid 3942] write(3, "1000", 4) = 4 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3942] close(3 [pid 3622] unlink("./40/cgroup.cpu" [pid 3942] <... close resumed>) = 0 [pid 3942] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3942] <... symlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3942] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3942] <... socket resumed>) = 3 [pid 3622] close(3 [pid 3942] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... close resumed>) = 0 [pid 3942] <... sendmsg resumed>) = 56 [pid 3622] rmdir("./40" [pid 3942] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3622] <... rmdir resumed>) = 0 [pid 3942] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] mkdir("./41", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3943 attached , child_tidptr=0x5555558f4690) = 43 [pid 3943] chdir("./41") = 0 [pid 3943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3943] setpgid(0, 0) = 0 [pid 3943] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3943] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3943] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3943] write(3, "1000", 4) = 4 [pid 3943] close(3) = 0 [pid 3943] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3943] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 76.388831][ T3940] siw: device registration error -23 [ 76.414973][ T3942] siw: device registration error -23 [pid 3943] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3943] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3942] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3943] <... openat resumed>) = 4 [pid 3943] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3942] close(3 [pid 3943] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3943] close(3 [pid 3942] <... close resumed>) = 0 [pid 3940] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3943] <... close resumed>) = 0 [pid 3942] close(4 [pid 3943] close(4 [pid 3942] <... close resumed>) = 0 [pid 3943] <... close resumed>) = 0 [pid 3942] close(5 [pid 3943] close(5) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(6 [pid 3942] close(6 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(7 [pid 3942] close(7 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(8 [pid 3942] close(8 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(9 [pid 3942] close(9 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(10 [pid 3942] close(10 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(11 [pid 3942] close(11 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(12 [pid 3942] close(12 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(13 [pid 3942] close(13 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(14 [pid 3942] close(14 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(15 [pid 3942] close(15 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(16 [pid 3942] close(16 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(17 [pid 3942] close(17 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(18 [pid 3942] close(18 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(19 [pid 3942] close(19 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(20 [pid 3942] close(20 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(21 [pid 3942] close(21 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(22 [pid 3942] close(22 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(23 [pid 3942] close(23 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(24 [pid 3942] close(24 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(25) = -1 EBADF (Bad file descriptor) [pid 3942] close(25 [pid 3943] close(26 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(26 [pid 3943] close(27 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(27 [pid 3943] close(28 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(28 [pid 3943] close(29 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] exit_group(0 [pid 3942] close(29 [pid 3940] close(3 [pid 3943] <... exit_group resumed>) = ? [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = 0 [pid 3940] close(4 [pid 3943] +++ exited with 0 +++ [pid 3942] exit_group(0) = ? [pid 3940] <... close resumed>) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3940] close(5) = -1 EBADF (Bad file descriptor) [pid 3940] close(6 [pid 3942] +++ exited with 0 +++ [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(7) = -1 EBADF (Bad file descriptor) [pid 3940] close(8) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3940] close(9) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] close(10 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3940] close(11 [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] close(12 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3622] <... openat resumed>) = 3 [pid 3940] close(13 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] fstat(3, [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3940] close(14 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./40/binderfs", [pid 3940] close(15 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] close(16 [pid 3623] unlink("./40/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(17 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./41/binderfs", [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3940] close(18 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./41/binderfs" [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./40/cgroup", [pid 3940] close(19 [pid 3622] <... unlink resumed>) = 0 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] close(20 [pid 3623] unlink("./40/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./41/cgroup", [pid 3940] close(21 [pid 3623] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3940] close(22 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./41/cgroup" [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./40/cgroup.net", [pid 3940] close(23) = -1 EBADF (Bad file descriptor) [pid 3940] close(24) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3940] close(25 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./40/cgroup.net" [pid 3940] close(26 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./41/cgroup.net", [pid 3940] close(27 [pid 3623] umount2("./40/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./41/cgroup.net" [pid 3940] close(28 [pid 3623] lstat("./40/cpuset.effective_cpus", [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3940] close(29 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] umount2("./41/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./40/cpuset.effective_cpus" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] exit_group(0) = ? [pid 3940] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./41/cpuset.effective_cpus", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./41/cpuset.effective_cpus" [pid 3623] lstat("./40/cgroup.cpu", [pid 3619] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./40/cgroup.cpu" [pid 3622] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3622] lstat("./41/cgroup.cpu", [pid 3619] fstat(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] close(3 [pid 3622] unlink("./41/cgroup.cpu" [pid 3619] getdents64(3, [pid 3623] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] rmdir("./40" [pid 3622] getdents64(3, [pid 3619] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./35/binderfs", [pid 3623] mkdir("./41", 0777 [pid 3622] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./35/binderfs" [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... close resumed>) = 0 [pid 3619] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./35/cgroup") = 0 [pid 3619] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3947 attached [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 43 [pid 3622] rmdir("./41" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3947] chdir("./41" [pid 3619] lstat("./35/cgroup.net", [pid 3947] <... chdir resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] mkdir("./42", 0777 [pid 3619] unlink("./35/cgroup.net" [pid 3947] <... prctl resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3947] setpgid(0, 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] umount2("./35/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3947] <... setpgid resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3948 attached [pid 3947] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] lstat("./35/cpuset.effective_cpus", [pid 3948] chdir("./42" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 44 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3948] <... chdir resumed>) = 0 [pid 3947] <... symlink resumed>) = 0 [pid 3619] unlink("./35/cpuset.effective_cpus" [pid 3948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3947] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3948] <... prctl resumed>) = 0 [pid 3947] <... symlink resumed>) = 0 [pid 3619] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3948] setpgid(0, 0 [pid 3947] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] <... setpgid resumed>) = 0 [pid 3947] <... symlink resumed>) = 0 [pid 3619] lstat("./35/cgroup.cpu", [pid 3948] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3948] <... symlink resumed>) = 0 [pid 3619] unlink("./35/cgroup.cpu" [pid 3948] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3947] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3948] <... symlink resumed>) = 0 [pid 3947] write(3, "1000", 4 [pid 3619] getdents64(3, [pid 3948] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3947] <... write resumed>) = 4 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3948] <... symlink resumed>) = 0 [pid 3947] close(3 [pid 3619] close(3 [pid 3948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3947] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3948] <... openat resumed>) = 3 [pid 3947] symlink("/dev/binderfs", "./binderfs" [pid 3619] rmdir("./35" [pid 3948] write(3, "1000", 4 [pid 3947] <... symlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3948] <... write resumed>) = 4 [pid 3947] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] mkdir("./36", 0777 [pid 3948] close(3 [pid 3947] <... socket resumed>) = 3 [pid 3619] <... mkdir resumed>) = 0 [pid 3948] <... close resumed>) = 0 [pid 3947] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3949 attached [pid 3948] symlink("/dev/binderfs", "./binderfs" [pid 3947] <... sendmsg resumed>) = 56 [pid 3949] chdir("./36" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 38 [pid 3949] <... chdir resumed>) = 0 [pid 3948] <... symlink resumed>) = 0 [pid 3947] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3948] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3947] <... openat resumed>) = 4 [pid 3949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3948] <... socket resumed>) = 3 [pid 3947] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3949] <... prctl resumed>) = 0 [pid 3949] setpgid(0, 0 [pid 3948] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3949] <... setpgid resumed>) = 0 [pid 3948] <... sendmsg resumed>) = 56 [pid 3949] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3948] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3949] <... symlink resumed>) = 0 [pid 3949] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3948] <... openat resumed>) = 4 [pid 3949] <... symlink resumed>) = 0 [pid 3949] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3948] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3949] <... symlink resumed>) = 0 [pid 3949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3949] write(3, "1000", 4) = 4 [pid 3949] close(3) = 0 [pid 3949] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3949] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3949] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3949] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3949] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3949] close(3) = 0 [pid 3949] close(4) = 0 [pid 3949] close(5) = -1 EBADF (Bad file descriptor) [pid 3949] close(6) = -1 EBADF (Bad file descriptor) [pid 3949] close(7) = -1 EBADF (Bad file descriptor) [pid 3949] close(8) = -1 EBADF (Bad file descriptor) [pid 3949] close(9) = -1 EBADF (Bad file descriptor) [pid 3949] close(10) = -1 EBADF (Bad file descriptor) [ 76.635910][ T3947] siw: device registration error -23 [pid 3949] close(11) = -1 EBADF (Bad file descriptor) [pid 3949] close(12) = -1 EBADF (Bad file descriptor) [pid 3949] close(13) = -1 EBADF (Bad file descriptor) [pid 3949] close(14) = -1 EBADF (Bad file descriptor) [pid 3949] close(15) = -1 EBADF (Bad file descriptor) [pid 3949] close(16) = -1 EBADF (Bad file descriptor) [pid 3949] close(17) = -1 EBADF (Bad file descriptor) [pid 3949] close(18) = -1 EBADF (Bad file descriptor) [pid 3949] close(19) = -1 EBADF (Bad file descriptor) [pid 3949] close(20) = -1 EBADF (Bad file descriptor) [pid 3949] close(21) = -1 EBADF (Bad file descriptor) [pid 3949] close(22) = -1 EBADF (Bad file descriptor) [pid 3949] close(23) = -1 EBADF (Bad file descriptor) [pid 3948] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3947] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3949] close(24 [pid 3948] close(3 [pid 3947] close(3 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] <... close resumed>) = 0 [pid 3947] <... close resumed>) = 0 [pid 3949] close(25 [pid 3948] close(4 [pid 3947] close(4 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] <... close resumed>) = 0 [pid 3949] close(26 [pid 3948] close(5 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] close(27 [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = 0 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] close(6 [pid 3947] close(5 [pid 3949] close(28 [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] close(7 [pid 3947] close(6 [pid 3949] close(29 [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] close(8 [pid 3947] close(7 [pid 3949] exit_group(0 [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] <... exit_group resumed>) = ? [pid 3948] close(9 [pid 3947] close(8) = -1 EBADF (Bad file descriptor) [pid 3947] close(9 [pid 3949] +++ exited with 0 +++ [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(10 [pid 3948] close(10 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3948] close(11 [pid 3947] close(11 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3948] close(12 [ 76.690942][ T3949] siw: device registration error -23 [pid 3947] close(12) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3947] close(13 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(14 [pid 3619] <... openat resumed>) = 3 [pid 3948] close(13 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(15 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3948] close(14 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(16 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3948] close(15 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(17 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] close(16 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./36/binderfs", [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(18 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3948] close(17 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./36/binderfs" [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(19 [pid 3619] <... unlink resumed>) = 0 [pid 3948] close(18 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(20 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] close(19 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./36/cgroup", [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(21 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3948] close(20 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./36/cgroup" [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(22 [pid 3619] <... unlink resumed>) = 0 [pid 3948] close(21 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(23 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] close(22 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./36/cgroup.net", [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(24 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3948] close(23 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./36/cgroup.net" [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(25 [pid 3619] <... unlink resumed>) = 0 [pid 3948] close(24 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./36/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(26 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] close(25 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./36/cpuset.effective_cpus", [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(27 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3948] close(26 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./36/cpuset.effective_cpus" [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(28 [pid 3619] <... unlink resumed>) = 0 [pid 3948] close(27 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] close(29 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] close(28 [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./36/cgroup.cpu", [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] exit_group(0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3948] close(29 [pid 3947] <... exit_group resumed>) = ? [pid 3619] unlink("./36/cgroup.cpu" [pid 3948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] +++ exited with 0 +++ [pid 3619] <... unlink resumed>) = 0 [pid 3948] exit_group(0 [pid 3619] getdents64(3, [pid 3948] <... exit_group resumed>) = ? [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./36" [pid 3948] +++ exited with 0 +++ [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] mkdir("./37", 0777 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... mkdir resumed>) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3952 attached [pid 3623] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... restart_syscall resumed>) = 0 [pid 3952] chdir("./37" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 39 [pid 3952] <... chdir resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3952] setpgid(0, 0) = 0 [pid 3952] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3952] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3952] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] fstat(3, [pid 3952] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] write(3, "1000", 4 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3952] <... write resumed>) = 4 [pid 3623] getdents64(3, [pid 3622] <... openat resumed>) = 3 [pid 3952] close(3) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] fstat(3, [pid 3952] symlink("/dev/binderfs", "./binderfs" [pid 3623] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] <... symlink resumed>) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3952] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3952] <... socket resumed>) = 3 [pid 3623] lstat("./41/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3952] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] <... sendmsg resumed>) = 56 [pid 3623] unlink("./41/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./42/binderfs", [pid 3952] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./42/binderfs" [pid 3623] lstat("./41/cgroup", [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3623] unlink("./41/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./42/cgroup", [pid 3952] <... close resumed>) = 0 [pid 3623] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3952] close(4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./42/cgroup" [pid 3952] <... close resumed>) = 0 [pid 3623] lstat("./41/cgroup.net", [pid 3622] <... unlink resumed>) = 0 [pid 3952] close(5) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] close(6 [pid 3623] unlink("./41/cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./42/cgroup.net", [pid 3952] close(7 [pid 3623] umount2("./41/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./42/cgroup.net" [pid 3952] close(8) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./41/cpuset.effective_cpus", [pid 3952] close(9) = -1 EBADF (Bad file descriptor) [pid 3952] close(10 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3952] close(11) = -1 EBADF (Bad file descriptor) [pid 3952] close(12) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./41/cpuset.effective_cpus" [pid 3622] umount2("./42/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] close(13) = -1 EBADF (Bad file descriptor) [pid 3952] close(14) = -1 EBADF (Bad file descriptor) [pid 3952] close(15) = -1 EBADF (Bad file descriptor) [pid 3952] close(16) = -1 EBADF (Bad file descriptor) [pid 3952] close(17) = -1 EBADF (Bad file descriptor) [pid 3952] close(18 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./42/cpuset.effective_cpus", [pid 3952] close(19 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./41/cgroup.cpu", [pid 3952] close(20 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./42/cpuset.effective_cpus" [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3952] close(21) = -1 EBADF (Bad file descriptor) [pid 3952] close(22) = -1 EBADF (Bad file descriptor) [pid 3952] close(23) = -1 EBADF (Bad file descriptor) [pid 3952] close(24) = -1 EBADF (Bad file descriptor) [pid 3952] close(25) = -1 EBADF (Bad file descriptor) [pid 3952] close(26) = -1 EBADF (Bad file descriptor) [pid 3952] close(27) = -1 EBADF (Bad file descriptor) [pid 3952] close(28) = -1 EBADF (Bad file descriptor) [pid 3952] close(29 [pid 3623] unlink("./41/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] exit_group(0 [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... exit_group resumed>) = ? [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] lstat("./42/cgroup.cpu", [pid 3952] +++ exited with 0 +++ [pid 3623] close(3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... close resumed>) = 0 [pid 3622] unlink("./42/cgroup.cpu" [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] rmdir("./41" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [ 76.822973][ T3952] siw: device registration error -23 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] mkdir("./42", 0777 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... mkdir resumed>) = 0 [pid 3622] close(3 [pid 3619] <... openat resumed>) = 3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... close resumed>) = 0 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3953 attached [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 44 [pid 3622] rmdir("./42" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3953] chdir("./42" [pid 3619] lstat("./37/binderfs", [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3953] <... chdir resumed>) = 0 [pid 3622] mkdir("./43", 0777 [pid 3619] unlink("./37/binderfs" [pid 3953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3953] <... prctl resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./37/cgroup", ./strace-static-x86_64: Process 3954 attached [pid 3953] setpgid(0, 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3954] chdir("./43" [pid 3619] unlink("./37/cgroup" [pid 3954] <... chdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3954] <... prctl resumed>) = 0 [pid 3953] <... setpgid resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 45 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] setpgid(0, 0 [pid 3619] lstat("./37/cgroup.net", [pid 3954] <... setpgid resumed>) = 0 [pid 3953] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3954] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3953] <... symlink resumed>) = 0 [pid 3619] unlink("./37/cgroup.net" [pid 3954] <... symlink resumed>) = 0 [pid 3953] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3954] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] umount2("./37/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3954] <... symlink resumed>) = 0 [pid 3953] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3953] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] lstat("./37/cpuset.effective_cpus", [pid 3954] <... symlink resumed>) = 0 [pid 3953] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] unlink("./37/cpuset.effective_cpus" [pid 3954] <... openat resumed>) = 3 [pid 3953] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3954] write(3, "1000", 4 [pid 3619] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3954] <... write resumed>) = 4 [pid 3953] write(3, "1000", 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] close(3 [pid 3953] <... write resumed>) = 4 [pid 3619] lstat("./37/cgroup.cpu", [pid 3954] <... close resumed>) = 0 [pid 3953] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3954] symlink("/dev/binderfs", "./binderfs" [pid 3953] <... close resumed>) = 0 [pid 3619] unlink("./37/cgroup.cpu" [pid 3954] <... symlink resumed>) = 0 [pid 3953] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3954] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3953] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3954] <... socket resumed>) = 3 [pid 3953] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3954] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3953] <... socket resumed>) = 3 [pid 3619] close(3 [pid 3954] <... sendmsg resumed>) = 56 [pid 3619] <... close resumed>) = 0 [pid 3954] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3953] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] rmdir("./37" [pid 3954] <... openat resumed>) = 4 [pid 3619] <... rmdir resumed>) = 0 [pid 3954] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3953] <... sendmsg resumed>) = 56 [pid 3619] mkdir("./38", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3956 attached [pid 3956] chdir("./38" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 40 [pid 3956] <... chdir resumed>) = 0 [pid 3956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3956] setpgid(0, 0) = 0 [pid 3956] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3953] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3956] <... symlink resumed>) = 0 [pid 3956] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3953] <... openat resumed>) = 4 [pid 3956] <... symlink resumed>) = 0 [pid 3953] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3956] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3956] write(3, "1000", 4) = 4 [pid 3956] close(3) = 0 [pid 3956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3956] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3956] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3956] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 76.942719][ T3953] siw: device registration error -23 [pid 3956] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3954] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3954] close(3 [pid 3953] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3954] <... close resumed>) = 0 [pid 3953] close(3) = 0 [pid 3953] close(4) = 0 [pid 3953] close(5) = -1 EBADF (Bad file descriptor) [pid 3953] close(6 [pid 3954] close(4 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(7) = -1 EBADF (Bad file descriptor) [pid 3953] close(8) = -1 EBADF (Bad file descriptor) [pid 3953] close(9) = -1 EBADF (Bad file descriptor) [pid 3953] close(10 [pid 3954] <... close resumed>) = 0 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(5 [pid 3953] close(11 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(6 [pid 3953] close(12 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(7) = -1 EBADF (Bad file descriptor) [pid 3954] close(8) = -1 EBADF (Bad file descriptor) [pid 3954] close(9) = -1 EBADF (Bad file descriptor) [pid 3954] close(10) = -1 EBADF (Bad file descriptor) [pid 3954] close(11) = -1 EBADF (Bad file descriptor) [pid 3954] close(12) = -1 EBADF (Bad file descriptor) [pid 3954] close(13) = -1 EBADF (Bad file descriptor) [pid 3954] close(14) = -1 EBADF (Bad file descriptor) [pid 3954] close(15) = -1 EBADF (Bad file descriptor) [pid 3954] close(16) = -1 EBADF (Bad file descriptor) [ 76.991292][ T3956] siw: device registration error -23 [pid 3954] close(17 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(13) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(14 [pid 3954] close(18 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(19 [pid 3953] close(15 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(20 [pid 3953] close(16 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3954] close(21) = -1 EBADF (Bad file descriptor) [pid 3954] close(22) = -1 EBADF (Bad file descriptor) [pid 3954] close(23) = -1 EBADF (Bad file descriptor) [pid 3954] close(24 [pid 3953] close(17 [pid 3956] close(3 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = 0 [pid 3954] close(25 [pid 3953] close(18 [pid 3956] close(4 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = 0 [pid 3954] close(26 [pid 3953] close(19 [pid 3956] close(5 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(27 [pid 3953] close(20 [pid 3956] close(6 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(28 [pid 3953] close(21 [pid 3956] close(7 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(29) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] exit_group(0 [pid 3953] close(22 [pid 3954] <... exit_group resumed>) = ? [pid 3954] +++ exited with 0 +++ [pid 3956] close(8 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(9) = -1 EBADF (Bad file descriptor) [pid 3956] close(10) = -1 EBADF (Bad file descriptor) [pid 3956] close(11) = -1 EBADF (Bad file descriptor) [pid 3953] close(23) = -1 EBADF (Bad file descriptor) [pid 3956] close(12 [pid 3953] close(24) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3953] close(25 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(26 [pid 3622] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(27 [pid 3622] <... openat resumed>) = 3 [pid 3956] close(13 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(28 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3956] close(14 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(29 [pid 3956] close(15 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(16) = -1 EBADF (Bad file descriptor) [pid 3953] exit_group(0 [pid 3622] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] close(17 [pid 3953] <... exit_group resumed>) = ? [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(18 [pid 3953] +++ exited with 0 +++ [pid 3622] lstat("./43/binderfs", [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3956] close(19 [pid 3622] unlink("./43/binderfs" [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(20) = -1 EBADF (Bad file descriptor) [pid 3956] close(21 [pid 3622] <... unlink resumed>) = 0 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(22 [pid 3622] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(23 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./43/cgroup", [pid 3956] close(24 [pid 3623] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./43/cgroup" [pid 3956] close(25 [pid 3623] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3956] close(26 [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(27) = -1 EBADF (Bad file descriptor) [pid 3956] close(28) = -1 EBADF (Bad file descriptor) [pid 3956] close(29 [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./43/cgroup.net", [pid 3956] exit_group(0 [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3956] <... exit_group resumed>) = ? [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] unlink("./43/cgroup.net" [pid 3956] +++ exited with 0 +++ [pid 3623] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./43/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] lstat("./42/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] lstat("./43/cpuset.effective_cpus", [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] unlink("./42/binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./43/cpuset.effective_cpus" [pid 3619] fstat(3, [pid 3623] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./38/binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./42/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./43/cgroup.cpu", [pid 3619] lstat("./38/cgroup", [pid 3623] unlink("./42/cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./38/cgroup") = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./43/cgroup.cpu" [pid 3619] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./38/cgroup.net", [pid 3623] lstat("./42/cgroup.net", [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./38/cgroup.net" [pid 3623] unlink("./42/cgroup.net" [pid 3622] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./38/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./42/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] rmdir("./43" [pid 3619] lstat("./38/cpuset.effective_cpus", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./42/cpuset.effective_cpus", [pid 3622] <... rmdir resumed>) = 0 [pid 3619] unlink("./38/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] mkdir("./44", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./42/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./38/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./38" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] mkdir("./39", 0777 [pid 3623] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3962 attached ./strace-static-x86_64: Process 3960 attached [pid 3623] lstat("./42/cgroup.cpu", [pid 3962] chdir("./39" [pid 3960] chdir("./44" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 41 [pid 3962] <... chdir resumed>) = 0 [pid 3960] <... chdir resumed>) = 0 [pid 3623] unlink("./42/cgroup.cpu" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 46 [pid 3962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3962] <... prctl resumed>) = 0 [pid 3960] <... prctl resumed>) = 0 [pid 3623] getdents64(3, [pid 3962] setpgid(0, 0 [pid 3960] setpgid(0, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3962] <... setpgid resumed>) = 0 [pid 3960] <... setpgid resumed>) = 0 [pid 3623] close(3 [pid 3962] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... close resumed>) = 0 [pid 3962] <... symlink resumed>) = 0 [pid 3960] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] rmdir("./42" [pid 3962] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3960] <... symlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3962] <... symlink resumed>) = 0 [pid 3960] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] mkdir("./43", 0777 [pid 3962] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3960] <... symlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3962] <... symlink resumed>) = 0 [pid 3960] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3963 attached [pid 3962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3960] <... symlink resumed>) = 0 [pid 3963] chdir("./43" [pid 3962] <... openat resumed>) = 3 [pid 3960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 45 [pid 3963] <... chdir resumed>) = 0 [pid 3962] write(3, "1000", 4 [pid 3960] <... openat resumed>) = 3 [pid 3963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3962] <... write resumed>) = 4 [pid 3960] write(3, "1000", 4 [pid 3963] <... prctl resumed>) = 0 [pid 3962] close(3 [pid 3960] <... write resumed>) = 4 [pid 3963] setpgid(0, 0 [pid 3962] <... close resumed>) = 0 [pid 3960] close(3 [pid 3963] <... setpgid resumed>) = 0 [pid 3962] symlink("/dev/binderfs", "./binderfs" [pid 3960] <... close resumed>) = 0 [pid 3963] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3962] <... symlink resumed>) = 0 [pid 3960] symlink("/dev/binderfs", "./binderfs" [pid 3963] <... symlink resumed>) = 0 [pid 3962] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3963] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3962] <... socket resumed>) = 3 [pid 3960] <... symlink resumed>) = 0 [pid 3963] <... symlink resumed>) = 0 [pid 3962] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3960] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3963] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3962] <... sendmsg resumed>) = 56 [pid 3960] <... socket resumed>) = 3 [pid 3963] <... symlink resumed>) = 0 [pid 3962] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3962] <... openat resumed>) = 4 [pid 3960] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3963] <... openat resumed>) = 3 [pid 3962] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3960] <... sendmsg resumed>) = 56 [pid 3963] write(3, "1000", 4 [pid 3960] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3963] <... write resumed>) = 4 [pid 3963] close(3) = 0 [pid 3963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3960] <... openat resumed>) = 4 [pid 3963] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3960] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3963] <... socket resumed>) = 3 [pid 3963] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3963] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3963] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3962] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3960] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3960] close(3 [pid 3962] close(3) = 0 [pid 3960] <... close resumed>) = 0 [pid 3962] close(4 [pid 3960] close(4 [pid 3962] <... close resumed>) = 0 [pid 3960] <... close resumed>) = 0 [pid 3962] close(5 [pid 3960] close(5 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] close(6 [ 77.218593][ T3962] siw: device registration error -23 [ 77.244468][ T3963] siw: device registration error -23 [pid 3960] close(6 [pid 3963] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(3 [pid 3962] close(7 [pid 3960] close(7 [pid 3963] <... close resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(4 [pid 3962] close(8 [pid 3960] close(8 [pid 3963] <... close resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(5 [pid 3962] close(9 [pid 3960] close(9 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(6 [pid 3962] close(10 [pid 3960] close(10 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(7 [pid 3962] close(11 [pid 3960] close(11 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(8 [pid 3962] close(12 [pid 3960] close(12 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(9 [pid 3962] close(13 [pid 3960] close(13 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(10 [pid 3962] close(14 [pid 3960] close(14 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(11 [pid 3962] close(15 [pid 3960] close(15 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(12 [pid 3962] close(16 [pid 3960] close(16 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(13 [pid 3962] close(17 [pid 3960] close(17 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(14 [pid 3962] close(18 [pid 3960] close(18 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(15 [pid 3962] close(19 [pid 3960] close(19 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(16 [pid 3962] close(20 [pid 3960] close(20 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(17 [pid 3962] close(21 [pid 3960] close(21 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(18 [pid 3962] close(22 [pid 3960] close(22 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(19 [pid 3962] close(23 [pid 3960] close(23 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(20 [pid 3962] close(24 [pid 3960] close(24 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(21 [pid 3962] close(25 [pid 3960] close(25 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(22 [pid 3962] close(26 [pid 3960] close(26 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(23 [pid 3962] close(27 [pid 3960] close(27 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(24 [pid 3962] close(28 [pid 3960] close(28 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(25 [pid 3962] close(29 [pid 3960] close(29 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(26) = -1 EBADF (Bad file descriptor) [pid 3962] exit_group(0 [pid 3960] exit_group(0 [pid 3963] close(27 [pid 3962] <... exit_group resumed>) = ? [pid 3960] <... exit_group resumed>) = ? [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3960] +++ exited with 0 +++ [pid 3619] <... restart_syscall resumed>) = 0 [pid 3963] close(28 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(29 [pid 3619] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./39/binderfs") = 0 [pid 3619] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3963] exit_group(0 [pid 3622] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./39/cgroup", [pid 3963] <... exit_group resumed>) = ? [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3963] +++ exited with 0 +++ [pid 3622] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] unlink("./39/cgroup" [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3622] fstat(3, [pid 3619] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] lstat("./39/cgroup.net", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./39/cgroup.net" [pid 3623] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./39/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... openat resumed>) = 3 [pid 3619] lstat("./39/cpuset.effective_cpus", [pid 3623] fstat(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] unlink("./39/cpuset.effective_cpus" [pid 3623] getdents64(3, [pid 3622] lstat("./44/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./44/binderfs" [pid 3619] lstat("./39/cgroup.cpu", [pid 3623] lstat("./43/binderfs", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./39/cgroup.cpu" [pid 3623] unlink("./43/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./44/cgroup", [pid 3619] close(3 [pid 3623] lstat("./43/cgroup", [pid 3619] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] rmdir("./39" [pid 3623] unlink("./43/cgroup" [pid 3622] unlink("./44/cgroup" [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] mkdir("./40", 0777 [pid 3623] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3966 attached [pid 3623] lstat("./43/cgroup.net", [pid 3966] chdir("./40" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3966] <... chdir resumed>) = 0 [pid 3623] unlink("./43/cgroup.net" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 42 [pid 3966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3966] <... prctl resumed>) = 0 [pid 3623] umount2("./43/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./44/cgroup.net", [pid 3966] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3966] <... setpgid resumed>) = 0 [pid 3623] lstat("./43/cpuset.effective_cpus", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3966] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3966] <... symlink resumed>) = 0 [pid 3623] unlink("./43/cpuset.effective_cpus" [pid 3622] unlink("./44/cgroup.net" [pid 3966] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3966] <... symlink resumed>) = 0 [pid 3623] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./44/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3966] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3966] <... symlink resumed>) = 0 [pid 3623] lstat("./43/cgroup.cpu", [pid 3622] lstat("./44/cpuset.effective_cpus", [pid 3966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3966] <... openat resumed>) = 3 [pid 3623] unlink("./43/cgroup.cpu" [pid 3622] unlink("./44/cpuset.effective_cpus" [pid 3966] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 3966] <... write resumed>) = 4 [pid 3623] getdents64(3, [pid 3966] close(3 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3966] <... close resumed>) = 0 [pid 3623] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3966] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... close resumed>) = 0 [pid 3622] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3966] <... symlink resumed>) = 0 [pid 3623] rmdir("./43" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3966] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... rmdir resumed>) = 0 [pid 3622] lstat("./44/cgroup.cpu", [pid 3966] <... socket resumed>) = 3 [pid 3623] mkdir("./44", 0777 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3966] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] unlink("./44/cgroup.cpu" [pid 3966] <... sendmsg resumed>) = 56 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3967 attached [pid 3966] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... unlink resumed>) = 0 [pid 3967] chdir("./44" [pid 3966] <... openat resumed>) = 4 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 46 [pid 3622] getdents64(3, [pid 3967] <... chdir resumed>) = 0 [pid 3966] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3967] <... prctl resumed>) = 0 [pid 3622] close(3 [pid 3967] setpgid(0, 0) = 0 [pid 3622] <... close resumed>) = 0 [pid 3967] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] rmdir("./44" [pid 3967] <... symlink resumed>) = 0 [pid 3967] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... rmdir resumed>) = 0 [pid 3967] <... symlink resumed>) = 0 [pid 3622] mkdir("./45", 0777 [pid 3967] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... mkdir resumed>) = 0 [pid 3967] <... symlink resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3968 attached [pid 3968] chdir("./45" [pid 3967] <... openat resumed>) = 3 [pid 3968] <... chdir resumed>) = 0 [pid 3967] write(3, "1000", 4 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 47 [pid 3968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3967] <... write resumed>) = 4 [pid 3968] <... prctl resumed>) = 0 [pid 3968] setpgid(0, 0) = 0 [pid 3968] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3967] close(3 [pid 3968] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3967] <... close resumed>) = 0 [pid 3968] <... symlink resumed>) = 0 [pid 3967] symlink("/dev/binderfs", "./binderfs" [pid 3968] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3967] <... symlink resumed>) = 0 [pid 3968] <... symlink resumed>) = 0 [pid 3967] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3967] <... socket resumed>) = 3 [pid 3968] <... openat resumed>) = 3 [pid 3967] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3968] write(3, "1000", 4 [pid 3967] <... sendmsg resumed>) = 56 [pid 3968] <... write resumed>) = 4 [pid 3967] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3968] close(3 [pid 3967] <... openat resumed>) = 4 [pid 3968] <... close resumed>) = 0 [pid 3967] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3968] symlink("/dev/binderfs", "./binderfs" [pid 3966] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3968] <... symlink resumed>) = 0 [pid 3968] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3968] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3968] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3966] close(3 [pid 3968] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 3966] <... close resumed>) = 0 [pid 3968] close(3) = 0 [pid 3968] close(4 [pid 3966] close(4 [pid 3968] <... close resumed>) = 0 [pid 3968] close(5 [pid 3966] <... close resumed>) = 0 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(6) = -1 EBADF (Bad file descriptor) [pid 3968] close(7 [pid 3966] close(5 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(8 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(9 [pid 3966] close(6 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(10 [pid 3966] close(7 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(11 [pid 3966] close(8 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(12 [pid 3966] close(9 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(13 [pid 3966] close(10 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(14 [pid 3966] close(11 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(15 [pid 3966] close(12 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 77.472517][ T3966] siw: device registration error -23 [ 77.513507][ T3967] siw: device registration error -23 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(16 [pid 3966] close(13 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(17 [pid 3966] close(14 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(18 [pid 3966] close(15 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] close(19) = -1 EBADF (Bad file descriptor) [pid 3966] close(16 [pid 3968] close(20 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(3 [pid 3966] close(17 [pid 3968] close(21 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] <... close resumed>) = 0 [pid 3966] close(18 [pid 3968] close(22 [pid 3967] close(4 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] <... close resumed>) = 0 [pid 3966] close(19 [pid 3968] close(23 [pid 3967] close(5 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(20 [pid 3968] close(24 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(6 [pid 3966] close(21 [pid 3968] close(25 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(7 [pid 3966] close(22 [pid 3968] close(26 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(8 [pid 3966] close(23 [pid 3968] close(27 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(9 [pid 3968] close(28 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(10 [pid 3968] close(29 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] close(11 [pid 3968] exit_group(0 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... exit_group resumed>) = ? [pid 3967] close(12 [pid 3968] +++ exited with 0 +++ [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(24 [pid 3967] close(13 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(25 [pid 3967] close(14 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(26 [pid 3967] close(15 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(27 [pid 3967] close(16 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(28 [pid 3622] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3967] close(17 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(29 [pid 3622] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3967] close(18 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] exit_group(0 [pid 3622] fstat(3, [pid 3967] close(19 [pid 3966] <... exit_group resumed>) = ? [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3967] close(20 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3967] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./45/binderfs", [pid 3967] close(22 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./45/binderfs" [pid 3967] close(23 [pid 3622] <... unlink resumed>) = 0 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3967] close(24 [pid 3966] +++ exited with 0 +++ [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./45/cgroup", [pid 3967] close(25 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./45/cgroup" [pid 3619] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3967] close(26 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3967] close(27 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./45/cgroup.net", [pid 3619] fstat(3, [pid 3967] close(28 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./45/cgroup.net" [pid 3619] getdents64(3, [pid 3967] close(29 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./45/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3967] exit_group(0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... exit_group resumed>) = ? [pid 3622] lstat("./45/cpuset.effective_cpus", [pid 3619] lstat("./40/binderfs", [pid 3967] +++ exited with 0 +++ [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./45/cpuset.effective_cpus" [pid 3619] unlink("./40/binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] lstat("./45/cgroup.cpu", [pid 3619] lstat("./40/cgroup", [pid 3623] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./45/cgroup.cpu" [pid 3619] unlink("./40/cgroup" [pid 3623] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] getdents64(3, [pid 3619] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] close(3 [pid 3619] lstat("./40/cgroup.net", [pid 3623] getdents64(3, [pid 3622] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] rmdir("./45" [pid 3619] unlink("./40/cgroup.net" [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] mkdir("./46", 0777 [pid 3619] umount2("./40/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./40/cpuset.effective_cpus", ./strace-static-x86_64: Process 3974 attached [pid 3623] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3974] chdir("./46" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 48 [pid 3619] unlink("./40/cpuset.effective_cpus" [pid 3974] <... chdir resumed>) = 0 [pid 3623] lstat("./44/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3974] <... prctl resumed>) = 0 [pid 3623] unlink("./44/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3974] setpgid(0, 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./40/cgroup.cpu", [pid 3974] <... setpgid resumed>) = 0 [pid 3623] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3974] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./40/cgroup.cpu" [pid 3974] <... symlink resumed>) = 0 [pid 3623] lstat("./44/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3974] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] getdents64(3, [pid 3974] <... symlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3974] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] close(3 [pid 3974] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] rmdir("./40" [pid 3974] <... openat resumed>) = 3 [pid 3623] unlink("./44/cgroup" [pid 3619] <... rmdir resumed>) = 0 [pid 3974] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 3619] mkdir("./41", 0777 [pid 3974] <... write resumed>) = 4 [pid 3623] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... mkdir resumed>) = 0 [pid 3974] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3975 attached [pid 3974] <... close resumed>) = 0 [pid 3623] lstat("./44/cgroup.net", [pid 3974] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 43 [pid 3975] chdir("./41" [pid 3974] <... symlink resumed>) = 0 [pid 3623] unlink("./44/cgroup.net" [pid 3975] <... chdir resumed>) = 0 [pid 3974] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... unlink resumed>) = 0 [pid 3975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3974] <... socket resumed>) = 3 [pid 3623] umount2("./44/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3975] <... prctl resumed>) = 0 [pid 3974] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3975] setpgid(0, 0 [pid 3974] <... sendmsg resumed>) = 56 [pid 3623] lstat("./44/cpuset.effective_cpus", [pid 3975] <... setpgid resumed>) = 0 [pid 3974] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3975] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3974] <... openat resumed>) = 4 [pid 3974] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3975] <... symlink resumed>) = 0 [pid 3623] unlink("./44/cpuset.effective_cpus" [pid 3975] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3975] <... symlink resumed>) = 0 [pid 3623] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3975] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3975] <... symlink resumed>) = 0 [pid 3623] lstat("./44/cgroup.cpu", [pid 3975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3975] <... openat resumed>) = 3 [pid 3623] unlink("./44/cgroup.cpu" [pid 3975] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 3975] <... write resumed>) = 4 [pid 3623] getdents64(3, [pid 3975] close(3 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3975] <... close resumed>) = 0 [pid 3623] close(3 [pid 3975] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] <... close resumed>) = 0 [pid 3975] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] rmdir("./44" [pid 3975] <... socket resumed>) = 3 [pid 3623] <... rmdir resumed>) = 0 [pid 3975] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] mkdir("./45", 0777 [pid 3975] <... sendmsg resumed>) = 56 [pid 3623] <... mkdir resumed>) = 0 [pid 3975] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3975] <... openat resumed>) = 4 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 47 ./strace-static-x86_64: Process 3977 attached [pid 3975] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3977] chdir("./45") = 0 [pid 3977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3977] setpgid(0, 0) = 0 [pid 3977] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3977] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3977] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3977] write(3, "1000", 4) = 4 [pid 3977] close(3) = 0 [pid 3977] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3974] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3974] close(3) = 0 [pid 3974] close(4) = 0 [pid 3977] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3975] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3977] <... socket resumed>) = 3 [pid 3975] close(3 [pid 3977] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3975] <... close resumed>) = 0 [pid 3974] close(5 [pid 3977] <... sendmsg resumed>) = 56 [pid 3975] close(4 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3975] <... close resumed>) = 0 [pid 3974] close(6 [pid 3977] <... openat resumed>) = 4 [pid 3975] close(5 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(7 [pid 3977] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3975] close(6 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(3 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(8 [pid 3977] <... close resumed>) = 0 [pid 3975] close(7 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(4 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(9 [pid 3977] <... close resumed>) = 0 [pid 3975] close(8 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(5 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(10 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(9 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(6 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(11 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(10 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(7 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(12) = -1 EBADF (Bad file descriptor) [pid 3974] close(13) = -1 EBADF (Bad file descriptor) [pid 3974] close(14) = -1 EBADF (Bad file descriptor) [pid 3974] close(15) = -1 EBADF (Bad file descriptor) [pid 3974] close(16) = -1 EBADF (Bad file descriptor) [pid 3974] close(17 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(11 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(8 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(18 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(12 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(9 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(19 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(13 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(10 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(20 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(14 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(11 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(21 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(15 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(12 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(22 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(16 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(13 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(23 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(17 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(14 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(24 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(18 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(15 [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(25 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] close(19 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 77.723632][ T3975] siw: device registration error -23 [ 77.766821][ T3977] siw: device registration error -23 [pid 3977] close(16 [pid 3974] close(26) = -1 EBADF (Bad file descriptor) [pid 3974] close(27) = -1 EBADF (Bad file descriptor) [pid 3974] close(28) = -1 EBADF (Bad file descriptor) [pid 3974] close(29) = -1 EBADF (Bad file descriptor) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] exit_group(0 [pid 3977] close(17 [pid 3975] close(20 [pid 3974] <... exit_group resumed>) = ? [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] +++ exited with 0 +++ [pid 3977] close(18 [pid 3975] close(21 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(19 [pid 3975] close(22 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3977] close(20 [pid 3975] close(23 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3977] close(21 [pid 3975] close(24 [pid 3622] <... openat resumed>) = 3 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3977] close(22 [pid 3975] close(25 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3977] close(23 [pid 3975] close(26 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3977] close(24 [pid 3975] close(27 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./46/binderfs", [pid 3977] close(25 [pid 3975] close(28 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./46/binderfs" [pid 3977] close(26 [pid 3975] close(29 [pid 3622] <... unlink resumed>) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3977] close(27 [pid 3975] exit_group(0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3975] <... exit_group resumed>) = ? [pid 3622] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./46/cgroup") = 0 [pid 3622] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./46/cgroup.net" [pid 3977] close(28 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./46/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3975] +++ exited with 0 +++ [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(29 [pid 3622] lstat("./46/cpuset.effective_cpus", [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3977] exit_group(0 [pid 3622] unlink("./46/cpuset.effective_cpus" [pid 3619] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3977] <... exit_group resumed>) = ? [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3977] +++ exited with 0 +++ [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] lstat("./46/cgroup.cpu", [pid 3619] fstat(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] unlink("./46/cgroup.cpu" [pid 3619] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] getdents64(3, [pid 3619] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] close(3 [pid 3619] lstat("./41/binderfs", [pid 3622] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] rmdir("./46" [pid 3619] unlink("./41/binderfs" [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] mkdir("./47", 0777 [pid 3619] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./41/cgroup", ./strace-static-x86_64: Process 3980 attached {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3980] chdir("./47" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 49 [pid 3619] unlink("./41/cgroup" [pid 3980] <... chdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] <... prctl resumed>) = 0 [pid 3623] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3980] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./41/cgroup.net", [pid 3980] <... setpgid resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3980] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... openat resumed>) = 3 [pid 3619] unlink("./41/cgroup.net" [pid 3980] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3980] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] umount2("./41/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3980] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] lstat("./41/cpuset.effective_cpus", [pid 3980] <... symlink resumed>) = 0 [pid 3623] fstat(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] unlink("./41/cpuset.effective_cpus" [pid 3980] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3980] write(3, "1000", 4 [pid 3619] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] <... write resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3980] close(3 [pid 3619] lstat("./41/cgroup.cpu", [pid 3980] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3980] symlink("/dev/binderfs", "./binderfs" [pid 3623] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./41/cgroup.cpu" [pid 3980] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3980] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] lstat("./45/binderfs", [pid 3619] getdents64(3, [pid 3980] <... socket resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3980] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] unlink("./45/binderfs" [pid 3619] close(3 [pid 3980] <... sendmsg resumed>) = 56 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3980] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] rmdir("./41" [pid 3980] <... openat resumed>) = 4 [pid 3623] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 3980] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] mkdir("./42", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3623] lstat("./45/cgroup", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3983 attached [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3983] chdir("./42" [pid 3623] unlink("./45/cgroup" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 44 [pid 3983] <... chdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... prctl resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] setpgid(0, 0 [pid 3623] lstat("./45/cgroup.net", [pid 3983] <... setpgid resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3983] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] unlink("./45/cgroup.net" [pid 3983] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3983] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] umount2("./45/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] lstat("./45/cpuset.effective_cpus", [pid 3983] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] unlink("./45/cpuset.effective_cpus" [pid 3983] <... openat resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3983] write(3, "1000", 4 [pid 3623] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... write resumed>) = 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] close(3 [pid 3623] lstat("./45/cgroup.cpu", [pid 3983] <... close resumed>) = 0 [pid 3983] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3983] <... symlink resumed>) = 0 [pid 3623] unlink("./45/cgroup.cpu" [pid 3983] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3983] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] getdents64(3, [pid 3983] <... sendmsg resumed>) = 56 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3983] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] close(3 [pid 3983] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./45") = 0 [pid 3623] mkdir("./46", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3984 attached [pid 3984] chdir("./46" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 48 [pid 3984] <... chdir resumed>) = 0 [pid 3984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3984] setpgid(0, 0) = 0 [pid 3984] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3984] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3984] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3984] write(3, "1000", 4) = 4 [pid 3984] close(3) = 0 [pid 3984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3983] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3984] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3983] close(3 [pid 3980] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3984] <... socket resumed>) = 3 [pid 3983] <... close resumed>) = 0 [pid 3984] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3983] close(4 [pid 3984] <... sendmsg resumed>) = 56 [pid 3983] <... close resumed>) = 0 [ 77.945494][ T3983] siw: device registration error -23 [pid 3980] close(3 [pid 3984] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3983] close(5 [pid 3984] <... openat resumed>) = 4 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = 0 [pid 3984] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3983] close(6 [pid 3984] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] close(4 [pid 3984] close(3 [pid 3983] close(7 [pid 3980] <... close resumed>) = 0 [pid 3984] <... close resumed>) = 0 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(4 [pid 3983] close(8 [pid 3980] close(5 [pid 3984] <... close resumed>) = 0 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(5 [pid 3983] close(9 [pid 3980] close(6 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(6 [pid 3983] close(10 [pid 3980] close(7 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(7 [pid 3983] close(11 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] close(8 [pid 3984] close(8 [pid 3983] close(12 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] close(9 [pid 3984] close(9 [pid 3983] close(13 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(10 [pid 3983] close(14 [pid 3980] close(10 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(11 [pid 3983] close(15 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(12 [pid 3983] close(16 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(13 [pid 3983] close(17 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(14 [pid 3983] close(18 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(15 [pid 3983] close(19 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(16 [pid 3983] close(20 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(17 [pid 3983] close(21 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(18 [pid 3983] close(22 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(19 [pid 3983] close(23 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(20 [pid 3983] close(24 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(21 [pid 3983] close(25 [pid 3980] close(11 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(22 [pid 3983] close(26 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(23 [pid 3983] close(27 [pid 3980] close(12 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(24 [pid 3983] close(28 [pid 3980] close(13 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] close(25 [pid 3983] close(29 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] close(14 [pid 3984] close(26 [pid 3983] exit_group(0 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] <... exit_group resumed>) = ? [pid 3980] close(15 [pid 3984] close(27 [pid 3983] +++ exited with 0 +++ [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] close(16 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3984] close(28 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3980] close(17 [pid 3984] close(29 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] exit_group(0 [pid 3980] close(18 [pid 3984] <... exit_group resumed>) = ? [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] +++ exited with 0 +++ [pid 3980] close(19) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3980] close(20 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] close(21 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3980] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 3980] close(23 [pid 3623] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3980] close(24 [pid 3623] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3980] close(25 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3619] getdents64(3, [pid 3980] close(26 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3980] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./46/binderfs", [pid 3980] close(28 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./46/binderfs" [pid 3619] lstat("./42/binderfs", [pid 3980] close(29 [pid 3623] <... unlink resumed>) = 0 [pid 3980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./46/cgroup" [pid 3980] exit_group(0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./42/binderfs" [pid 3980] <... exit_group resumed>) = ? [pid 3623] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./46/cgroup.net" [pid 3980] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./46/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./46/cpuset.effective_cpus", [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] lstat("./42/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... restart_syscall resumed>) = 0 [pid 3623] unlink("./46/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./42/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./46/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3622] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] rmdir("./46" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] mkdir("./47", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./42/cgroup.net", [pid 3622] fstat(3, ./strace-static-x86_64: Process 3986 attached [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3986] chdir("./47" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 49 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] unlink("./42/cgroup.net" [pid 3986] <... chdir resumed>) = 0 [pid 3622] getdents64(3, [pid 3986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... unlink resumed>) = 0 [pid 3986] <... prctl resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./42/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3986] setpgid(0, 0 [pid 3622] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3986] <... setpgid resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3986] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] lstat("./47/binderfs", [pid 3619] lstat("./42/cpuset.effective_cpus", [pid 3986] <... symlink resumed>) = 0 [pid 3986] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3986] <... symlink resumed>) = 0 [pid 3622] unlink("./47/binderfs" [pid 3619] unlink("./42/cpuset.effective_cpus" [pid 3986] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... unlink resumed>) = 0 [ 78.009063][ T3984] siw: device registration error -23 [pid 3619] <... unlink resumed>) = 0 [pid 3986] <... symlink resumed>) = 0 [pid 3622] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3986] <... openat resumed>) = 3 [pid 3622] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3986] write(3, "1000", 4 [pid 3622] unlink("./47/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3986] <... write resumed>) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 3986] close(3 [pid 3622] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./42/cgroup.cpu", [pid 3986] <... close resumed>) = 0 [pid 3986] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3986] <... symlink resumed>) = 0 [pid 3622] lstat("./47/cgroup.net", [pid 3619] unlink("./42/cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3986] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3622] unlink("./47/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3986] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3986] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] umount2("./47/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3986] <... openat resumed>) = 4 [pid 3622] lstat("./47/cpuset.effective_cpus", [pid 3986] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./47/cpuset.effective_cpus" [pid 3619] close(3) = 0 [pid 3619] rmdir("./42") = 0 [pid 3619] mkdir("./43", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3987 attached [pid 3622] <... unlink resumed>) = 0 [pid 3987] chdir("./43") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 45 [pid 3987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3987] setpgid(0, 0) = 0 [pid 3987] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3987] <... symlink resumed>) = 0 [pid 3987] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3987] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3987] write(3, "1000", 4) = 4 [pid 3987] close(3) = 0 [pid 3987] symlink("/dev/binderfs", "./binderfs" [pid 3622] lstat("./47/cgroup.cpu", [pid 3987] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3987] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3622] unlink("./47/cgroup.cpu" [pid 3987] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3987] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 3987] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./47") = 0 [pid 3622] mkdir("./48", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3989 attached [pid 3989] chdir("./48") = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 50 [pid 3989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3989] setpgid(0, 0) = 0 [pid 3989] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3989] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3989] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3989] write(3, "1000", 4) = 4 [pid 3989] close(3) = 0 [pid 3989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3989] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3989] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [ 78.094722][ T3986] siw: device registration error -23 [ 78.134659][ T3987] siw: device registration error -23 [pid 3989] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3989] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3987] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3987] close(3) = 0 [pid 3987] close(4) = 0 [pid 3989] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3987] close(5 [pid 3989] close(3 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = 0 [pid 3987] close(6 [pid 3989] close(4 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = 0 [pid 3987] close(7 [pid 3986] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3989] close(5 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(8 [pid 3989] close(6 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(9 [pid 3989] close(7 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(3 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(10 [pid 3989] close(8 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(11 [pid 3989] close(9 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(12 [pid 3989] close(10 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = 0 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(13 [pid 3989] close(11 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(4 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(14 [pid 3986] <... close resumed>) = 0 [pid 3989] close(12 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(5 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(15 [pid 3989] close(13 [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(16 [pid 3986] close(6 [pid 3989] close(14 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(17 [pid 3989] close(15 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(7 [pid 3989] close(16 [pid 3987] close(18 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] close(17 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(19 [pid 3989] close(18 [pid 3986] close(8 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(20 [pid 3989] close(19 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(21 [pid 3989] close(20 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(9 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(22 [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] close(21 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(10 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(23 [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] close(22 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(11 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(24 [pid 3989] close(23 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(25 [pid 3986] close(12 [pid 3989] close(24 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(26 [pid 3986] close(13 [pid 3989] close(25 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(27 [pid 3986] close(14 [pid 3989] close(26 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(28 [pid 3986] close(15 [pid 3989] close(27 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] close(29 [pid 3986] close(16 [pid 3989] close(28 [pid 3987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] exit_group(0 [pid 3986] close(17 [pid 3989] close(29 [pid 3987] <... exit_group resumed>) = ? [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] +++ exited with 0 +++ [pid 3986] close(18 [pid 3989] exit_group(0 [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] <... exit_group resumed>) = ? [pid 3986] close(19 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3989] +++ exited with 0 +++ [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(20) = -1 EBADF (Bad file descriptor) [pid 3986] close(21) = -1 EBADF (Bad file descriptor) [pid 3986] close(22) = -1 EBADF (Bad file descriptor) [pid 3986] close(23) = -1 EBADF (Bad file descriptor) [pid 3986] close(24 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(25) = -1 EBADF (Bad file descriptor) [pid 3986] close(26) = -1 EBADF (Bad file descriptor) [pid 3986] close(27) = -1 EBADF (Bad file descriptor) [pid 3986] close(28) = -1 EBADF (Bad file descriptor) [pid 3986] close(29) = -1 EBADF (Bad file descriptor) [pid 3986] exit_group(0) = ? [pid 3622] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3986] +++ exited with 0 +++ [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3619] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] fstat(3, [pid 3623] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3623] fstat(3, [pid 3622] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] getdents64(3, [pid 3622] lstat("./48/binderfs", [pid 3619] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./48/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./43/binderfs", [pid 3623] lstat("./47/binderfs", [pid 3622] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./47/binderfs" [pid 3622] lstat("./48/cgroup", [pid 3619] unlink("./43/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./48/cgroup" [pid 3623] lstat("./47/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./43/cgroup", [pid 3623] unlink("./47/cgroup" [pid 3622] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./43/cgroup" [pid 3622] lstat("./48/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./48/cgroup.net" [pid 3619] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./47/cgroup.net", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./48/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./47/cgroup.net" [pid 3619] lstat("./43/cgroup.net", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./48/cpuset.effective_cpus", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./47/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./43/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./48/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./47/cpuset.effective_cpus", [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./43/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./47/cpuset.effective_cpus" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./43/cpuset.effective_cpus", [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./48/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./43/cpuset.effective_cpus" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./48/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./47/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./47/cgroup.cpu" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./43/cgroup.cpu", [pid 3623] <... unlink resumed>) = 0 [pid 3622] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] getdents64(3, [pid 3622] <... close resumed>) = 0 [pid 3619] unlink("./43/cgroup.cpu" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] rmdir("./48" [pid 3619] <... unlink resumed>) = 0 [pid 3623] close(3 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] <... close resumed>) = 0 [pid 3622] mkdir("./49", 0777 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] rmdir("./47" [pid 3622] <... mkdir resumed>) = 0 [pid 3619] close(3 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... close resumed>) = 0 ./strace-static-x86_64: Process 3993 attached [pid 3623] mkdir("./48", 0777 [pid 3619] rmdir("./43" [pid 3993] chdir("./49" [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 51 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] mkdir("./44", 0777./strace-static-x86_64: Process 3994 attached [pid 3993] <... chdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 50 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3995 attached [pid 3994] chdir("./48" [pid 3993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 46 [pid 3994] <... chdir resumed>) = 0 [pid 3993] <... prctl resumed>) = 0 [pid 3995] chdir("./44" [pid 3994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3993] setpgid(0, 0 [pid 3994] <... prctl resumed>) = 0 [pid 3993] <... setpgid resumed>) = 0 [pid 3995] <... chdir resumed>) = 0 [pid 3994] setpgid(0, 0 [pid 3993] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3994] <... setpgid resumed>) = 0 [pid 3995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3994] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3993] <... symlink resumed>) = 0 [pid 3995] <... prctl resumed>) = 0 [pid 3995] setpgid(0, 0 [pid 3994] <... symlink resumed>) = 0 [pid 3993] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3995] <... setpgid resumed>) = 0 [pid 3995] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3994] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3993] <... symlink resumed>) = 0 [pid 3995] <... symlink resumed>) = 0 [pid 3994] <... symlink resumed>) = 0 [pid 3993] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3995] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3994] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3993] <... symlink resumed>) = 0 [pid 3995] <... symlink resumed>) = 0 [pid 3994] <... symlink resumed>) = 0 [pid 3993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3995] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3993] <... openat resumed>) = 3 [pid 3995] <... symlink resumed>) = 0 [pid 3994] <... openat resumed>) = 3 [pid 3993] write(3, "1000", 4 [pid 3995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3994] write(3, "1000", 4 [pid 3993] <... write resumed>) = 4 [pid 3995] <... openat resumed>) = 3 [pid 3994] <... write resumed>) = 4 [pid 3993] close(3 [pid 3995] write(3, "1000", 4 [pid 3994] close(3 [pid 3993] <... close resumed>) = 0 [pid 3995] <... write resumed>) = 4 [pid 3994] <... close resumed>) = 0 [pid 3993] symlink("/dev/binderfs", "./binderfs" [pid 3995] close(3 [pid 3994] symlink("/dev/binderfs", "./binderfs" [pid 3993] <... symlink resumed>) = 0 [pid 3995] <... close resumed>) = 0 [pid 3994] <... symlink resumed>) = 0 [pid 3993] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3995] symlink("/dev/binderfs", "./binderfs" [pid 3994] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3993] <... socket resumed>) = 3 [pid 3995] <... symlink resumed>) = 0 [pid 3994] <... socket resumed>) = 3 [pid 3993] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3995] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3994] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3993] <... sendmsg resumed>) = 56 [pid 3995] <... socket resumed>) = 3 [pid 3994] <... sendmsg resumed>) = 56 [pid 3993] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3995] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3994] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3993] <... openat resumed>) = 4 [pid 3995] <... sendmsg resumed>) = 56 [pid 3994] <... openat resumed>) = 4 [pid 3993] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3995] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3994] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3995] <... openat resumed>) = 4 [pid 3995] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3993] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3994] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3993] close(3 [pid 3994] close(3) = 0 [pid 3993] <... close resumed>) = 0 [pid 3994] close(4) = 0 [pid 3994] close(5) = -1 EBADF (Bad file descriptor) [pid 3994] close(6) = -1 EBADF (Bad file descriptor) [pid 3994] close(7) = -1 EBADF (Bad file descriptor) [pid 3994] close(8) = -1 EBADF (Bad file descriptor) [pid 3994] close(9) = -1 EBADF (Bad file descriptor) [pid 3994] close(10) = -1 EBADF (Bad file descriptor) [pid 3994] close(11) = -1 EBADF (Bad file descriptor) [pid 3994] close(12) = -1 EBADF (Bad file descriptor) [pid 3994] close(13) = -1 EBADF (Bad file descriptor) [pid 3994] close(14) = -1 EBADF (Bad file descriptor) [pid 3994] close(15) = -1 EBADF (Bad file descriptor) [pid 3994] close(16 [pid 3993] close(4) = 0 [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(5 [pid 3994] close(17) = -1 EBADF (Bad file descriptor) [pid 3994] close(18 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(6 [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(7) = -1 EBADF (Bad file descriptor) [pid 3993] close(8) = -1 EBADF (Bad file descriptor) [pid 3993] close(9) = -1 EBADF (Bad file descriptor) [pid 3994] close(19 [pid 3993] close(10) = -1 EBADF (Bad file descriptor) [pid 3993] close(11) = -1 EBADF (Bad file descriptor) [pid 3993] close(12) = -1 EBADF (Bad file descriptor) [pid 3993] close(13) = -1 EBADF (Bad file descriptor) [pid 3993] close(14 [pid 3995] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(15) = -1 EBADF (Bad file descriptor) [pid 3993] close(16) = -1 EBADF (Bad file descriptor) [pid 3993] close(17) = -1 EBADF (Bad file descriptor) [ 78.352452][ T3994] siw: device registration error -23 [ 78.355218][ T3995] siw: device registration error -23 [pid 3993] close(18 [pid 3995] close(3 [pid 3994] close(20 [pid 3995] <... close resumed>) = 0 [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(4 [pid 3994] close(21 [pid 3993] close(19 [pid 3995] <... close resumed>) = 0 [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(5 [pid 3994] close(22 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(6 [pid 3994] close(23 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(7 [pid 3994] close(24 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(8 [pid 3994] close(25 [pid 3993] close(20 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(9 [pid 3994] close(26 [pid 3993] close(21 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(10 [pid 3994] close(27 [pid 3993] close(22 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(11 [pid 3994] close(28 [pid 3993] close(23 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(12 [pid 3994] close(29 [pid 3993] close(24 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(13 [pid 3994] exit_group(0 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... exit_group resumed>) = ? [pid 3993] close(25 [pid 3995] close(14 [pid 3994] +++ exited with 0 +++ [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(15) = -1 EBADF (Bad file descriptor) [pid 3995] close(16) = -1 EBADF (Bad file descriptor) [pid 3995] close(17) = -1 EBADF (Bad file descriptor) [pid 3995] close(18) = -1 EBADF (Bad file descriptor) [pid 3995] close(19) = -1 EBADF (Bad file descriptor) [pid 3995] close(20) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(21 [pid 3993] close(26 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(22 [pid 3993] close(27 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(23) = -1 EBADF (Bad file descriptor) [pid 3995] close(24) = -1 EBADF (Bad file descriptor) [pid 3995] close(25) = -1 EBADF (Bad file descriptor) [pid 3995] close(26) = -1 EBADF (Bad file descriptor) [pid 3995] close(27) = -1 EBADF (Bad file descriptor) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(28) = -1 EBADF (Bad file descriptor) [pid 3995] close(29) = -1 EBADF (Bad file descriptor) [pid 3995] exit_group(0) = ? [pid 3995] +++ exited with 0 +++ [pid 3993] close(28) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3993] close(29 [pid 3623] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3993] exit_group(0 [pid 3623] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3993] <... exit_group resumed>) = ? [pid 3623] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3993] +++ exited with 0 +++ [pid 3623] fstat(3, [pid 3619] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3619] fstat(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] lstat("./48/binderfs", [pid 3619] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./48/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./44/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 3619] unlink("./44/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./48/cgroup", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./48/cgroup" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./44/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./44/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./49/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./48/cgroup.net", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./49/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./48/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./44/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./48/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./44/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./49/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./48/cpuset.effective_cpus", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./44/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./49/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./48/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./44/cpuset.effective_cpus", [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./44/cpuset.effective_cpus" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./49/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./48/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./49/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./48/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./44/cgroup.cpu", [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./49/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./44/cgroup.cpu" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] lstat("./49/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3623] close(3 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] getdents64(3, [pid 3623] <... close resumed>) = 0 [pid 3622] unlink("./49/cpuset.effective_cpus" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] rmdir("./48" [pid 3622] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... close resumed>) = 0 [pid 3623] mkdir("./49", 0777 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] rmdir("./44" [pid 3623] <... mkdir resumed>) = 0 [pid 3622] lstat("./49/cgroup.cpu", [pid 3619] <... rmdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] mkdir("./45", 0777./strace-static-x86_64: Process 4003 attached [pid 3622] unlink("./49/cgroup.cpu" [pid 3619] <... mkdir resumed>) = 0 [pid 4003] chdir("./49" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 51 [pid 3622] <... unlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4004 attached [pid 4003] <... chdir resumed>) = 0 [pid 3622] getdents64(3, [pid 4003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 47 [pid 4004] chdir("./45" [pid 4003] <... prctl resumed>) = 0 [pid 3622] close(3 [pid 4004] <... chdir resumed>) = 0 [pid 4003] setpgid(0, 0 [pid 3622] <... close resumed>) = 0 [pid 4004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4003] <... setpgid resumed>) = 0 [pid 3622] rmdir("./49" [pid 4004] <... prctl resumed>) = 0 [pid 4003] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... rmdir resumed>) = 0 [pid 4004] setpgid(0, 0 [pid 4003] <... symlink resumed>) = 0 [pid 3622] mkdir("./50", 0777 [pid 4004] <... setpgid resumed>) = 0 [pid 4003] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... mkdir resumed>) = 0 [pid 4004] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4005 attached [pid 4004] <... symlink resumed>) = 0 [pid 4003] <... symlink resumed>) = 0 [pid 4005] chdir("./50" [pid 4004] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4003] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 52 [pid 4005] <... chdir resumed>) = 0 [pid 4004] <... symlink resumed>) = 0 [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4004] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4003] <... symlink resumed>) = 0 [pid 4005] <... prctl resumed>) = 0 [pid 4004] <... symlink resumed>) = 0 [pid 4003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4005] setpgid(0, 0 [pid 4004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4005] <... setpgid resumed>) = 0 [pid 4003] <... openat resumed>) = 3 [pid 4004] <... openat resumed>) = 3 [pid 4005] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4004] write(3, "1000", 4 [pid 4003] write(3, "1000", 4 [pid 4005] <... symlink resumed>) = 0 [pid 4004] <... write resumed>) = 4 [pid 4003] <... write resumed>) = 4 [pid 4005] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4004] close(3 [pid 4003] close(3 [pid 4005] <... symlink resumed>) = 0 [pid 4004] <... close resumed>) = 0 [pid 4003] <... close resumed>) = 0 [pid 4005] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4004] symlink("/dev/binderfs", "./binderfs" [pid 4003] symlink("/dev/binderfs", "./binderfs" [pid 4005] <... symlink resumed>) = 0 [pid 4004] <... symlink resumed>) = 0 [pid 4003] <... symlink resumed>) = 0 [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4004] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4003] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4005] <... openat resumed>) = 3 [pid 4004] <... socket resumed>) = 3 [pid 4003] <... socket resumed>) = 3 [pid 4005] write(3, "1000", 4 [pid 4004] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4005] <... write resumed>) = 4 [pid 4004] <... sendmsg resumed>) = 56 [pid 4003] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4005] close(3 [pid 4004] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4005] <... close resumed>) = 0 [pid 4003] <... sendmsg resumed>) = 56 [pid 4004] <... openat resumed>) = 4 [pid 4005] symlink("/dev/binderfs", "./binderfs" [pid 4003] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4004] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4005] <... symlink resumed>) = 0 [pid 4005] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4003] <... openat resumed>) = 4 [pid 4005] <... socket resumed>) = 3 [pid 4005] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4005] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4005] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4003] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4003] close(3) = 0 [pid 4003] close(4) = 0 [pid 4003] close(5) = -1 EBADF (Bad file descriptor) [pid 4003] close(6) = -1 EBADF (Bad file descriptor) [pid 4003] close(7) = -1 EBADF (Bad file descriptor) [pid 4003] close(8) = -1 EBADF (Bad file descriptor) [pid 4003] close(9) = -1 EBADF (Bad file descriptor) [pid 4003] close(10) = -1 EBADF (Bad file descriptor) [pid 4003] close(11) = -1 EBADF (Bad file descriptor) [pid 4003] close(12) = -1 EBADF (Bad file descriptor) [pid 4003] close(13) = -1 EBADF (Bad file descriptor) [pid 4003] close(14) = -1 EBADF (Bad file descriptor) [pid 4003] close(15) = -1 EBADF (Bad file descriptor) [pid 4003] close(16) = -1 EBADF (Bad file descriptor) [pid 4003] close(17) = -1 EBADF (Bad file descriptor) [pid 4003] close(18) = -1 EBADF (Bad file descriptor) [pid 4003] close(19) = -1 EBADF (Bad file descriptor) [pid 4005] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4003] close(20 [pid 4004] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(3 [pid 4005] close(3 [pid 4004] <... close resumed>) = 0 [pid 4003] close(21 [pid 4005] <... close resumed>) = 0 [pid 4004] close(4 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 78.569350][ T4004] siw: device registration error -23 [ 78.570509][ T4003] siw: device registration error -23 [pid 4005] close(4 [pid 4004] <... close resumed>) = 0 [pid 4003] close(22 [pid 4005] <... close resumed>) = 0 [pid 4004] close(5 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(5 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(23 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(6 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(6 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(24 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(7 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(7 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(25 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(8 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(8 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(26 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(9 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(9 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(27 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(10 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(10 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(28 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(11 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(11 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(29 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(12 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(12 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] exit_group(0 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(13 [pid 4003] <... exit_group resumed>) = ? [pid 4005] close(13 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(14) = -1 EBADF (Bad file descriptor) [pid 4004] close(14 [pid 4005] close(15 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] +++ exited with 0 +++ [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(15 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4005] close(16 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(16 [pid 3623] <... restart_syscall resumed>) = 0 [pid 4005] close(17 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(17 [pid 4005] close(18 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(18 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4005] close(19 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(19 [pid 3623] <... openat resumed>) = 3 [pid 4005] close(20 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(20 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4005] close(21 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(21 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4005] close(22 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(22 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4005] close(23 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./49/binderfs", [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(23 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4005] close(24 [pid 3623] unlink("./49/binderfs" [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4005] close(25 [pid 3623] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4005] close(26 [pid 3623] lstat("./49/cgroup", [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4005] close(27 [pid 3623] unlink("./49/cgroup" [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4005] close(28 [pid 4004] close(24 [pid 3623] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4005] close(29 [pid 4004] close(25 [pid 3623] lstat("./49/cgroup.net", [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4005] exit_group(0 [pid 4004] close(26 [pid 3623] unlink("./49/cgroup.net" [pid 4005] <... exit_group resumed>) = ? [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4005] +++ exited with 0 +++ [pid 4004] close(27 [pid 3623] umount2("./49/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] close(28 [pid 3623] lstat("./49/cpuset.effective_cpus", [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4004] close(29 [pid 3623] unlink("./49/cpuset.effective_cpus" [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... restart_syscall resumed>) = 0 [pid 4004] exit_group(0 [pid 3623] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4004] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./49/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4004] +++ exited with 0 +++ [pid 3623] close(3 [pid 3622] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./49" [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... rmdir resumed>) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] mkdir("./50", 0777 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4011 attached [pid 3622] fstat(3, [pid 3619] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] chdir("./50" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 52 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... chdir resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... openat resumed>) = 3 [pid 4011] <... prctl resumed>) = 0 [pid 3622] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 4011] setpgid(0, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4011] <... setpgid resumed>) = 0 [pid 3622] lstat("./50/binderfs", [pid 3619] getdents64(3, [pid 4011] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4011] <... symlink resumed>) = 0 [pid 3622] unlink("./50/binderfs" [pid 3619] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4011] <... symlink resumed>) = 0 [pid 3622] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./45/binderfs" [pid 4011] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4011] <... symlink resumed>) = 0 [pid 3622] lstat("./50/cgroup", [pid 3619] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... openat resumed>) = 3 [pid 3622] unlink("./50/cgroup" [pid 3619] lstat("./45/cgroup", [pid 4011] write(3, "1000", 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4011] <... write resumed>) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./45/cgroup" [pid 4011] close(3 [pid 3622] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4011] <... close resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] symlink("/dev/binderfs", "./binderfs" [pid 3622] lstat("./50/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./45/cgroup.net", [pid 4011] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] unlink("./50/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4011] <... socket resumed>) = 3 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./45/cgroup.net" [pid 4011] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] umount2("./50/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4011] <... sendmsg resumed>) = 56 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./45/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] lstat("./50/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... openat resumed>) = 4 [pid 3619] lstat("./45/cpuset.effective_cpus", [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4011] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] unlink("./50/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./45/cpuset.effective_cpus") = 0 [pid 3619] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./45/cgroup.cpu", [pid 3622] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./45/cgroup.cpu") = 0 [pid 3622] lstat("./50/cgroup.cpu", [pid 3619] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] unlink("./50/cgroup.cpu" [pid 3619] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] rmdir("./45" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3622] close(3 [pid 3619] mkdir("./46", 0777 [pid 3622] <... close resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4012 attached [pid 3622] rmdir("./50" [pid 4012] chdir("./46") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 48 [pid 4012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... rmdir resumed>) = 0 [pid 4012] <... prctl resumed>) = 0 [pid 4012] setpgid(0, 0 [pid 3622] mkdir("./51", 0777 [pid 4012] <... setpgid resumed>) = 0 [pid 4012] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] <... mkdir resumed>) = 0 [pid 4012] <... symlink resumed>) = 0 [pid 4012] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4012] <... symlink resumed>) = 0 [pid 4012] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 ./strace-static-x86_64: Process 4013 attached [pid 4012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4013] chdir("./51" [pid 4012] <... openat resumed>) = 3 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 53 [pid 4013] <... chdir resumed>) = 0 [pid 4012] write(3, "1000", 4 [pid 4013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4012] <... write resumed>) = 4 [pid 4012] close(3) = 0 [pid 4012] symlink("/dev/binderfs", "./binderfs" [pid 4013] <... prctl resumed>) = 0 [pid 4012] <... symlink resumed>) = 0 [pid 4012] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4013] setpgid(0, 0 [ 78.748724][ T4011] siw: device registration error -23 [pid 4012] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4013] <... setpgid resumed>) = 0 [pid 4012] <... sendmsg resumed>) = 56 [pid 4012] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4013] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4012] <... openat resumed>) = 4 [pid 4013] <... symlink resumed>) = 0 [pid 4012] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4013] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4013] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4013] write(3, "1000", 4) = 4 [pid 4013] close(3) = 0 [pid 4013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4013] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4013] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4013] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 78.808531][ T4012] siw: device registration error -23 [pid 4013] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4011] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4011] close(3 [pid 4013] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4012] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4011] <... close resumed>) = 0 [pid 4013] close(3 [pid 4012] close(3 [pid 4011] close(4 [pid 4013] <... close resumed>) = 0 [pid 4012] <... close resumed>) = 0 [pid 4011] <... close resumed>) = 0 [pid 4013] close(4 [pid 4012] close(4 [pid 4011] close(5 [pid 4013] <... close resumed>) = 0 [pid 4012] <... close resumed>) = 0 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(5 [pid 4012] close(5 [pid 4011] close(6 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(6 [pid 4012] close(6 [pid 4011] close(7 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(7 [pid 4012] close(7 [pid 4011] close(8 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(8 [pid 4012] close(8 [pid 4011] close(9 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(9 [pid 4012] close(9 [pid 4011] close(10 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(10 [pid 4012] close(10 [pid 4011] close(11 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(11 [pid 4012] close(11 [pid 4011] close(12 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(12 [pid 4012] close(12 [pid 4011] close(13 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(13 [pid 4012] close(13 [pid 4011] close(14 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(14 [pid 4012] close(14 [pid 4011] close(15 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(15 [pid 4012] close(15 [pid 4011] close(16 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(16 [pid 4012] close(16 [pid 4011] close(17 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(17 [pid 4012] close(17 [pid 4011] close(18 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(18 [pid 4012] close(18 [pid 4011] close(19 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(19 [pid 4012] close(19 [pid 4011] close(20 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(20 [pid 4012] close(20 [pid 4011] close(21 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(21 [pid 4012] close(21 [pid 4011] close(22 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(22 [pid 4012] close(22 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(23 [pid 4012] close(23 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(24 [pid 4012] close(24 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(25 [pid 4012] close(25 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(26 [pid 4012] close(26 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(23 [pid 4013] close(27 [pid 4012] close(27 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(28 [pid 4012] close(28 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(24 [pid 4013] close(29 [pid 4012] close(29 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(25 [pid 4013] exit_group(0 [pid 4012] exit_group(0 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... exit_group resumed>) = ? [pid 4012] <... exit_group resumed>) = ? [pid 4011] close(26 [pid 4013] +++ exited with 0 +++ [pid 4012] +++ exited with 0 +++ [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(27) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4011] close(28 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... restart_syscall resumed>) = 0 [pid 4011] close(29 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3622] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./51/binderfs" [pid 4011] exit_group(0 [pid 3622] <... unlink resumed>) = 0 [pid 4011] <... exit_group resumed>) = ? [pid 3622] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./51/cgroup") = 0 [pid 4011] +++ exited with 0 +++ [pid 3622] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./51/cgroup.net", [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] unlink("./51/cgroup.net") = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./51/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] lstat("./51/cpuset.effective_cpus", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] fstat(3, [pid 3622] unlink("./51/cpuset.effective_cpus" [pid 3619] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./51/cgroup.cpu", [pid 3619] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./50/binderfs", [pid 3622] unlink("./51/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./46/binderfs", [pid 3623] unlink("./50/binderfs" [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] close(3 [pid 3619] unlink("./46/binderfs" [pid 3623] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... close resumed>) = 0 [pid 3622] rmdir("./51" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] mkdir("./52", 0777 [pid 3623] lstat("./50/cgroup", [pid 3622] <... mkdir resumed>) = 0 [pid 3619] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4017 attached [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 54 [pid 3623] unlink("./50/cgroup" [pid 3619] lstat("./46/cgroup", [pid 4017] chdir("./52" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./46/cgroup" [pid 4017] <... chdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] lstat("./50/cgroup.net", [pid 3619] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4017] <... prctl resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4017] setpgid(0, 0 [pid 3623] unlink("./50/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4017] <... setpgid resumed>) = 0 [pid 4017] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./46/cgroup.net", [pid 4017] <... symlink resumed>) = 0 [pid 3623] umount2("./50/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4017] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4017] <... symlink resumed>) = 0 [pid 4017] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] lstat("./50/cpuset.effective_cpus", [pid 3619] unlink("./46/cgroup.net" [pid 4017] write(3, "1000", 4 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4017] <... write resumed>) = 4 [pid 3623] unlink("./50/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 4017] close(3) = 0 [pid 4017] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4017] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4017] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4017] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./46/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4017] <... openat resumed>) = 4 [pid 3623] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4017] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./46/cpuset.effective_cpus", [pid 3623] lstat("./50/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./46/cpuset.effective_cpus" [pid 3623] unlink("./50/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] close(3) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./50") = 0 [pid 3623] mkdir("./51", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./46/cgroup.cpu") = 0 ./strace-static-x86_64: Process 4019 attached [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 53 [pid 4019] chdir("./51" [pid 3619] close(3) = 0 [pid 4019] <... chdir resumed>) = 0 [pid 3619] rmdir("./46" [pid 4019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... rmdir resumed>) = 0 [pid 4019] <... prctl resumed>) = 0 [pid 3619] mkdir("./47", 0777 [pid 4019] setpgid(0, 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4020 attached [pid 4019] <... setpgid resumed>) = 0 [pid 4019] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4020] chdir("./47" [pid 4019] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 49 [pid 4020] <... chdir resumed>) = 0 [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4019] <... symlink resumed>) = 0 [pid 4020] <... prctl resumed>) = 0 [pid 4020] setpgid(0, 0 [pid 4019] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4020] <... setpgid resumed>) = 0 [pid 4020] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4019] <... symlink resumed>) = 0 [pid 4020] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4020] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4019] <... openat resumed>) = 3 [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4019] write(3, "1000", 4 [pid 4020] <... openat resumed>) = 3 [pid 4019] <... write resumed>) = 4 [pid 4020] write(3, "1000", 4 [pid 4019] close(3 [pid 4020] <... write resumed>) = 4 [pid 4019] <... close resumed>) = 0 [pid 4020] close(3 [pid 4019] symlink("/dev/binderfs", "./binderfs" [pid 4020] <... close resumed>) = 0 [pid 4020] symlink("/dev/binderfs", "./binderfs" [pid 4019] <... symlink resumed>) = 0 [pid 4020] <... symlink resumed>) = 0 [pid 4019] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4020] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4019] <... socket resumed>) = 3 [pid 4020] <... socket resumed>) = 3 [pid 4020] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4019] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4020] <... sendmsg resumed>) = 56 [pid 4020] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4019] <... sendmsg resumed>) = 56 [pid 4020] <... openat resumed>) = 4 [pid 4019] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4020] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4019] <... openat resumed>) = 4 [pid 4019] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4017] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4017] close(3 [pid 4019] close(3 [pid 4017] <... close resumed>) = 0 [pid 4019] <... close resumed>) = 0 [pid 4017] close(4 [pid 4019] close(4 [pid 4017] <... close resumed>) = 0 [pid 4017] close(5) = -1 EBADF (Bad file descriptor) [pid 4017] close(6) = -1 EBADF (Bad file descriptor) [pid 4019] <... close resumed>) = 0 [pid 4017] close(7) = -1 EBADF (Bad file descriptor) [pid 4019] close(5 [pid 4017] close(8) = -1 EBADF (Bad file descriptor) [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(9) = -1 EBADF (Bad file descriptor) [pid 4019] close(6 [pid 4017] close(10 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(7 [pid 4017] close(11 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4019] close(8 [pid 4017] close(12 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(9 [pid 4017] close(13 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(10 [pid 4017] close(14 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(3 [pid 4017] close(15 [pid 4020] <... close resumed>) = 0 [pid 4019] close(11 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(4 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(16 [pid 4020] <... close resumed>) = 0 [pid 4019] close(12 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(5 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(17 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(13 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(6 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(18 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(14 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(7 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(19 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(15 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(8 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(20 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(16 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(9 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(21 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(17 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(10 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(22 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(18 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(11 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(23 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(19 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(12 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(24 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(20 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(13 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(25 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(21 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(14 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(26 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 79.025688][ T4020] siw: device registration error -23 [ 79.026105][ T4019] siw: device registration error -23 [pid 4019] close(22 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(15 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(27 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(23 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(16 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(28 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(24 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(17 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] close(29 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(25 [pid 4017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(18 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] exit_group(0 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(26 [pid 4017] <... exit_group resumed>) = ? [pid 4020] close(19 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] +++ exited with 0 +++ [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(20 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4020] close(21 [pid 3622] <... restart_syscall resumed>) = 0 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(22) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4020] close(23 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4020] close(24 [pid 3622] <... openat resumed>) = 3 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 4020] close(25 [pid 4019] close(27 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 4020] close(26 [pid 4019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4019] close(28) = -1 EBADF (Bad file descriptor) [pid 4019] close(29) = -1 EBADF (Bad file descriptor) [pid 4019] exit_group(0) = ? [pid 4019] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./52/binderfs") = 0 [pid 4020] close(27 [pid 3623] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4020] close(28 [pid 3623] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] lstat("./52/cgroup", [pid 3623] <... openat resumed>) = 3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3622] unlink("./52/cgroup" [pid 4020] close(29 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3622] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4020] exit_group(0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4020] <... exit_group resumed>) = ? [pid 3623] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./52/cgroup.net", [pid 4020] +++ exited with 0 +++ [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./51/binderfs", [pid 3622] unlink("./52/cgroup.net" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] unlink("./51/binderfs" [pid 3622] umount2("./52/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./52/cpuset.effective_cpus", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./51/cgroup", [pid 3622] unlink("./52/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] unlink("./51/cgroup" [pid 3622] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./52/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./51/cgroup.net", [pid 3622] unlink("./52/cgroup.cpu" [pid 3619] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] unlink("./51/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] getdents64(3, [pid 3623] umount2("./51/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] close(3 [pid 3619] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./51/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... close resumed>) = 0 [pid 3623] unlink("./51/cpuset.effective_cpus" [pid 3622] rmdir("./52" [pid 3619] lstat("./47/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3619] unlink("./47/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./53", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./51/cgroup.cpu", [pid 3619] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] lstat("./47/cgroup", [pid 3623] unlink("./51/cgroup.cpu" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./47/cgroup"./strace-static-x86_64: Process 4023 attached [pid 3623] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 4023] chdir("./53" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 55 [pid 3619] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4023] <... chdir resumed>) = 0 [pid 3623] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... close resumed>) = 0 [pid 3619] lstat("./47/cgroup.net", [pid 4023] <... prctl resumed>) = 0 [pid 3623] rmdir("./51" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4023] setpgid(0, 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] unlink("./47/cgroup.net" [pid 4023] <... setpgid resumed>) = 0 [pid 3623] mkdir("./52", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 4023] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] umount2("./47/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] <... symlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./47/cpuset.effective_cpus", ./strace-static-x86_64: Process 4024 attached [pid 4023] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4024] chdir("./52" [pid 4023] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 54 [pid 3619] unlink("./47/cpuset.effective_cpus" [pid 4024] <... chdir resumed>) = 0 [pid 4023] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 4024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4023] <... symlink resumed>) = 0 [pid 3619] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] <... prctl resumed>) = 0 [pid 4023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] setpgid(0, 0 [pid 4023] <... openat resumed>) = 3 [pid 3619] lstat("./47/cgroup.cpu", [pid 4024] <... setpgid resumed>) = 0 [pid 4023] write(3, "1000", 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4024] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4023] <... write resumed>) = 4 [pid 3619] unlink("./47/cgroup.cpu" [pid 4024] <... symlink resumed>) = 0 [pid 4023] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 4024] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4023] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 4024] <... symlink resumed>) = 0 [pid 4023] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4024] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] close(3 [pid 4024] <... symlink resumed>) = 0 [pid 4023] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 4024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4023] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] rmdir("./47" [pid 4024] <... openat resumed>) = 3 [pid 4023] <... socket resumed>) = 3 [pid 3619] <... rmdir resumed>) = 0 [pid 4024] write(3, "1000", 4 [pid 4023] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] mkdir("./48", 0777 [pid 4024] <... write resumed>) = 4 [pid 4023] <... sendmsg resumed>) = 56 [pid 3619] <... mkdir resumed>) = 0 [pid 4024] close(3 [pid 4023] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4025 attached [pid 4024] <... close resumed>) = 0 [pid 4023] <... openat resumed>) = 4 [pid 4025] chdir("./48" [pid 4024] symlink("/dev/binderfs", "./binderfs" [pid 4023] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 50 [pid 4025] <... chdir resumed>) = 0 [pid 4025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4024] <... symlink resumed>) = 0 [pid 4025] <... prctl resumed>) = 0 [pid 4025] setpgid(0, 0) = 0 [pid 4025] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4024] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4025] <... symlink resumed>) = 0 [pid 4024] <... socket resumed>) = 3 [pid 4025] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4024] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4025] <... symlink resumed>) = 0 [pid 4024] <... sendmsg resumed>) = 56 [pid 4025] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4024] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4025] <... symlink resumed>) = 0 [pid 4025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4024] <... openat resumed>) = 4 [pid 4025] <... openat resumed>) = 3 [pid 4024] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4025] write(3, "1000", 4) = 4 [pid 4025] close(3) = 0 [pid 4025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4024] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4025] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4025] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4025] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4025] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4024] close(3 [pid 4025] close(3) = 0 [pid 4024] <... close resumed>) = 0 [pid 4025] close(4 [pid 4024] close(4 [pid 4025] <... close resumed>) = 0 [pid 4024] <... close resumed>) = 0 [pid 4025] close(5 [pid 4024] close(5 [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] close(6) = -1 EBADF (Bad file descriptor) [pid 4025] close(7) = -1 EBADF (Bad file descriptor) [pid 4025] close(8) = -1 EBADF (Bad file descriptor) [pid 4024] close(6 [pid 4025] close(9 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(7 [pid 4025] close(10 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(8 [pid 4025] close(11 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(9 [pid 4025] close(12 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(10 [pid 4025] close(13 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] close(14) = -1 EBADF (Bad file descriptor) [pid 4025] close(15) = -1 EBADF (Bad file descriptor) [pid 4025] close(16) = -1 EBADF (Bad file descriptor) [pid 4025] close(17) = -1 EBADF (Bad file descriptor) [pid 4024] close(11 [pid 4025] close(18 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(12 [pid 4025] close(19 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(13 [pid 4025] close(20 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(14 [pid 4025] close(21 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(15 [pid 4025] close(22 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(16 [pid 4025] close(23 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(17 [pid 4025] close(24 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(18 [pid 4025] close(25 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(19 [pid 4025] close(26 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(20 [pid 4025] close(27 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(21 [pid 4025] close(28 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(22 [pid 4023] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4025] close(29 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] close(3 [pid 4025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(23 [pid 4025] exit_group(0) = ? [pid 4025] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, [pid 4024] close(24 [pid 4023] <... close resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] close(4 [pid 3619] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] close(25 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] <... close resumed>) = 0 [pid 3619] lstat("./48/binderfs", [pid 4024] close(26 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./48/binderfs" [pid 4024] close(27 [pid 3619] <... unlink resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] close(5 [pid 3619] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] close(28 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./48/cgroup", [pid 4024] close(29 [pid 4023] close(6 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./48/cgroup" [pid 4024] exit_group(0 [pid 3619] <... unlink resumed>) = 0 [pid 4024] <... exit_group resumed>) = ? [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./48/cgroup.net") = 0 [pid 3619] umount2("./48/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] +++ exited with 0 +++ [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] close(7 [pid 3619] lstat("./48/cpuset.effective_cpus", [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4023] close(8 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] unlink("./48/cpuset.effective_cpus" [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [ 79.225231][ T4024] siw: device registration error -23 [ 79.246480][ T4025] siw: device registration error -23 [pid 4023] close(9 [pid 3619] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./48/cgroup.cpu", [pid 3623] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./48/cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4023] close(10 [pid 3623] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] getdents64(3, [pid 3623] <... openat resumed>) = 3 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] fstat(3, [pid 3619] close(3 [pid 4023] close(11 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] rmdir("./48" [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... rmdir resumed>) = 0 [pid 4023] close(12 [pid 3623] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./49", 0777 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 4023] close(13 [pid 3623] lstat("./52/binderfs", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4026 attached [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4026] chdir("./49" [pid 4023] close(14 [pid 3623] unlink("./52/binderfs" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 51 [pid 4026] <... chdir resumed>) = 0 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 4026] <... prctl resumed>) = 0 [pid 4026] setpgid(0, 0) = 0 [pid 4026] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4026] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4026] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4026] write(3, "1000", 4 [pid 4023] close(15 [pid 3623] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4026] <... write resumed>) = 4 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] close(3 [pid 4023] close(16 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4026] <... close resumed>) = 0 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./52/cgroup", [pid 4026] symlink("/dev/binderfs", "./binderfs" [pid 4023] close(17 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4026] <... symlink resumed>) = 0 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./52/cgroup" [pid 4026] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4023] close(18 [pid 4026] <... socket resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4023] close(19 [pid 3623] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4026] <... sendmsg resumed>) = 56 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4026] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4023] close(20 [pid 3623] lstat("./52/cgroup.net", [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4023] close(21 [pid 3623] unlink("./52/cgroup.net" [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4023] close(22 [pid 3623] umount2("./52/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4026] <... openat resumed>) = 4 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4026] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4023] close(23 [pid 3623] lstat("./52/cpuset.effective_cpus", [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4023] close(24 [pid 3623] unlink("./52/cpuset.effective_cpus" [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] close(25 [pid 3623] <... unlink resumed>) = 0 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] close(26) = -1 EBADF (Bad file descriptor) [pid 4023] close(27) = -1 EBADF (Bad file descriptor) [pid 4023] close(28 [pid 3623] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] close(29 [pid 3623] lstat("./52/cgroup.cpu", [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4023] <... exit_group resumed>) = ? [pid 3623] unlink("./52/cgroup.cpu" [pid 4023] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./52" [pid 3622] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./53", 0777 [pid 3622] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] fstat(3, [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4027 attached ) = -1 EINVAL (Invalid argument) [pid 4027] chdir("./53" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 55 [pid 3622] lstat("./53/binderfs", [pid 4027] <... chdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] unlink("./53/binderfs" [pid 4027] <... prctl resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4027] setpgid(0, 0 [pid 3622] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4027] <... setpgid resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4027] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] lstat("./53/cgroup", [pid 4027] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4027] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] unlink("./53/cgroup" [pid 4027] <... symlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4027] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4026] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3622] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4027] <... symlink resumed>) = 0 [pid 4026] close(3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4026] <... close resumed>) = 0 [pid 3622] lstat("./53/cgroup.net", [pid 4027] <... openat resumed>) = 3 [pid 4026] close(4 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4027] write(3, "1000", 4 [pid 4026] <... close resumed>) = 0 [pid 3622] unlink("./53/cgroup.net" [pid 4027] <... write resumed>) = 4 [pid 4026] close(5 [pid 3622] <... unlink resumed>) = 0 [pid 4027] close(3 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./53/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4027] <... close resumed>) = 0 [pid 4026] close(6 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4027] symlink("/dev/binderfs", "./binderfs" [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./53/cpuset.effective_cpus", [pid 4027] <... symlink resumed>) = 0 [pid 4026] close(7 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [ 79.327712][ T4026] siw: device registration error -23 [pid 4027] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./53/cpuset.effective_cpus" [pid 4027] <... socket resumed>) = 3 [pid 4026] close(8 [pid 3622] <... unlink resumed>) = 0 [pid 4027] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4027] <... sendmsg resumed>) = 56 [pid 4026] close(9 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4027] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./53/cgroup.cpu", [pid 4027] <... openat resumed>) = 4 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4027] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] unlink("./53/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./53" [pid 4026] close(10) = -1 EBADF (Bad file descriptor) [pid 4026] close(11) = -1 EBADF (Bad file descriptor) [pid 4026] close(12 [pid 3622] <... rmdir resumed>) = 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] mkdir("./54", 0777 [pid 4026] close(13) = -1 EBADF (Bad file descriptor) [pid 4026] close(14) = -1 EBADF (Bad file descriptor) [pid 4026] close(15) = -1 EBADF (Bad file descriptor) [pid 4026] close(16) = -1 EBADF (Bad file descriptor) [pid 4026] close(17) = -1 EBADF (Bad file descriptor) [pid 4026] close(18) = -1 EBADF (Bad file descriptor) [pid 4026] close(19) = -1 EBADF (Bad file descriptor) [pid 4026] close(20) = -1 EBADF (Bad file descriptor) [pid 4026] close(21) = -1 EBADF (Bad file descriptor) [pid 4026] close(22) = -1 EBADF (Bad file descriptor) [pid 4026] close(23) = -1 EBADF (Bad file descriptor) [pid 4026] close(24) = -1 EBADF (Bad file descriptor) [pid 4026] close(25) = -1 EBADF (Bad file descriptor) [pid 4026] close(26) = -1 EBADF (Bad file descriptor) [pid 4026] close(27) = -1 EBADF (Bad file descriptor) [pid 4026] close(28) = -1 EBADF (Bad file descriptor) [pid 4026] close(29) = -1 EBADF (Bad file descriptor) [pid 4026] exit_group(0) = ? [pid 4026] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./49/binderfs") = 0 [pid 3619] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./49/cgroup") = 0 [pid 3619] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./49/cgroup.net") = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] umount2("./49/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./49/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./49/cpuset.effective_cpus"./strace-static-x86_64: Process 4029 attached ) = 0 [pid 4029] chdir("./54" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 56 [pid 3619] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4029] <... chdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] lstat("./49/cgroup.cpu", [pid 4029] <... prctl resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4029] setpgid(0, 0 [pid 3619] unlink("./49/cgroup.cpu" [pid 4029] <... setpgid resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4029] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] getdents64(3, [pid 4029] <... symlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4029] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] close(3 [pid 4029] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 4029] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] rmdir("./49" [pid 4029] <... symlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] mkdir("./50", 0777 [pid 4029] <... openat resumed>) = 3 [pid 3619] <... mkdir resumed>) = 0 [pid 4029] write(3, "1000", 4 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4030 attached [pid 4029] <... write resumed>) = 4 [pid 4030] chdir("./50" [pid 4029] close(3 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 52 [pid 4030] <... chdir resumed>) = 0 [pid 4029] <... close resumed>) = 0 [pid 4030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4029] symlink("/dev/binderfs", "./binderfs" [pid 4030] <... prctl resumed>) = 0 [pid 4029] <... symlink resumed>) = 0 [pid 4030] setpgid(0, 0 [pid 4029] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4030] <... setpgid resumed>) = 0 [pid 4029] <... socket resumed>) = 3 [pid 4030] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4029] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4030] <... symlink resumed>) = 0 [pid 4029] <... sendmsg resumed>) = 56 [pid 4030] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4029] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4030] <... symlink resumed>) = 0 [pid 4029] <... openat resumed>) = 4 [ 79.396116][ T4027] siw: device registration error -23 [pid 4030] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4029] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4030] <... symlink resumed>) = 0 [pid 4030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4030] write(3, "1000", 4) = 4 [pid 4030] close(3) = 0 [pid 4030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4030] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4030] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4030] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4030] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4027] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4030] close(3 [pid 4029] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4030] <... close resumed>) = 0 [pid 4027] close(3 [pid 4030] close(4 [pid 4029] close(3 [pid 4030] <... close resumed>) = 0 [pid 4029] <... close resumed>) = 0 [pid 4027] <... close resumed>) = 0 [pid 4030] close(5 [pid 4029] close(4 [pid 4027] close(4 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = 0 [pid 4027] <... close resumed>) = 0 [pid 4030] close(6 [pid 4029] close(5 [pid 4027] close(5 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(7 [pid 4029] close(6 [pid 4027] close(6 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(8 [pid 4029] close(7 [pid 4027] close(7 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(9 [pid 4029] close(8 [pid 4027] close(8 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(10 [pid 4029] close(9 [pid 4027] close(9 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(11 [pid 4029] close(10 [pid 4027] close(10 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(12 [pid 4029] close(11 [pid 4027] close(11 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(13 [pid 4029] close(12 [pid 4027] close(12 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(14 [pid 4029] close(13 [pid 4027] close(13 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(15 [pid 4029] close(14 [pid 4027] close(14 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(16 [pid 4029] close(15 [pid 4027] close(15 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(17 [pid 4029] close(16 [pid 4027] close(16 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(18 [pid 4029] close(17 [pid 4027] close(17 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(19 [pid 4029] close(18 [pid 4027] close(18 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(20 [pid 4029] close(19 [pid 4027] close(19 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(21 [pid 4029] close(20 [pid 4027] close(20 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(22 [pid 4029] close(21 [pid 4027] close(21 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(23 [pid 4029] close(22 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(22 [ 79.480027][ T4030] siw: device registration error -23 [pid 4030] close(24 [pid 4029] close(23 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(23 [pid 4030] close(25 [pid 4029] close(24 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(24 [pid 4030] close(26 [pid 4029] close(25 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(27) = -1 EBADF (Bad file descriptor) [pid 4030] close(28) = -1 EBADF (Bad file descriptor) [pid 4030] close(29) = -1 EBADF (Bad file descriptor) [pid 4030] exit_group(0 [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(25 [pid 4030] <... exit_group resumed>) = ? [pid 4029] close(26 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] +++ exited with 0 +++ [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(26 [pid 4029] close(27 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(27 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4029] close(28 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(28 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] close(29 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(29 [pid 3619] <... openat resumed>) = 3 [pid 4029] exit_group(0 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4029] <... exit_group resumed>) = ? [pid 4027] exit_group(0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4029] +++ exited with 0 +++ [pid 4027] <... exit_group resumed>) = ? [pid 3619] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] lstat("./50/binderfs", [pid 4027] +++ exited with 0 +++ [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] unlink("./50/binderfs" [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3619] <... unlink resumed>) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./50/cgroup", [pid 3622] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 3619] unlink("./50/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3619] <... unlink resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./50/cgroup.net", [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./50/cgroup.net" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./54/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./50/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] unlink("./54/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./50/cpuset.effective_cpus", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./53/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./50/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] lstat("./54/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./53/binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./54/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./50/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./53/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./50/cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./54/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./53/cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./54/cgroup.net" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./54/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... close resumed>) = 0 [pid 3623] lstat("./53/cgroup.net", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] rmdir("./50" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./54/cpuset.effective_cpus", [pid 3619] <... rmdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] mkdir("./51", 0777 [pid 3623] unlink("./53/cgroup.net" [pid 3622] unlink("./54/cpuset.effective_cpus" [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4037 attached [pid 3623] umount2("./53/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 53 [pid 4037] chdir("./51" [pid 3623] lstat("./53/cpuset.effective_cpus", [pid 3622] lstat("./54/cgroup.cpu", [pid 4037] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./53/cpuset.effective_cpus" [pid 3622] unlink("./54/cgroup.cpu" [pid 4037] <... prctl resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./54" [pid 4037] setpgid(0, 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 4037] <... setpgid resumed>) = 0 [pid 3623] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] mkdir("./55", 0777 [pid 4037] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... mkdir resumed>) = 0 [pid 4037] <... symlink resumed>) = 0 [pid 3623] lstat("./53/cgroup.cpu", [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4038 attached [pid 4037] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4038] chdir("./55" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 57 [pid 4038] <... chdir resumed>) = 0 [pid 4037] <... symlink resumed>) = 0 [pid 3623] unlink("./53/cgroup.cpu" [pid 4038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4037] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 4038] <... prctl resumed>) = 0 [pid 4037] <... symlink resumed>) = 0 [pid 3623] getdents64(3, [pid 4038] setpgid(0, 0 [pid 4037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4038] <... setpgid resumed>) = 0 [pid 4037] <... openat resumed>) = 3 [pid 3623] close(3 [pid 4038] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... close resumed>) = 0 [pid 4038] <... symlink resumed>) = 0 [pid 4037] write(3, "1000", 4 [pid 3623] rmdir("./53" [pid 4038] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4037] <... write resumed>) = 4 [pid 4037] close(3 [pid 3623] <... rmdir resumed>) = 0 [pid 4038] <... symlink resumed>) = 0 [pid 4037] <... close resumed>) = 0 [pid 3623] mkdir("./54", 0777 [pid 4038] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4037] symlink("/dev/binderfs", "./binderfs" [pid 4038] <... symlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 4038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4037] <... symlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4038] <... openat resumed>) = 3 [pid 4037] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA./strace-static-x86_64: Process 4039 attached [pid 4039] chdir("./54" [pid 4038] write(3, "1000", 4 [pid 4037] <... socket resumed>) = 3 [pid 4039] <... chdir resumed>) = 0 [pid 4038] <... write resumed>) = 4 [pid 4037] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 56 [pid 4039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4038] close(3 [pid 4037] <... sendmsg resumed>) = 56 [pid 4039] <... prctl resumed>) = 0 [pid 4038] <... close resumed>) = 0 [pid 4037] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4039] setpgid(0, 0 [pid 4038] symlink("/dev/binderfs", "./binderfs" [pid 4039] <... setpgid resumed>) = 0 [pid 4037] <... openat resumed>) = 4 [pid 4039] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4039] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4039] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4039] write(3, "1000", 4 [pid 4038] <... symlink resumed>) = 0 [pid 4037] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4039] <... write resumed>) = 4 [pid 4038] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4039] close(3) = 0 [pid 4039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4039] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4039] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4039] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4038] <... socket resumed>) = 3 [pid 4039] <... openat resumed>) = 4 [pid 4038] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4039] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4038] <... sendmsg resumed>) = 56 [pid 4038] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4038] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4039] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4039] close(3) = 0 [pid 4039] close(4 [pid 4038] close(3 [pid 4037] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4038] <... close resumed>) = 0 [pid 4037] close(3 [pid 4039] <... close resumed>) = 0 [pid 4039] close(5) = -1 EBADF (Bad file descriptor) [pid 4039] close(6) = -1 EBADF (Bad file descriptor) [pid 4038] close(4 [pid 4037] <... close resumed>) = 0 [pid 4039] close(7) = -1 EBADF (Bad file descriptor) [pid 4039] close(8) = -1 EBADF (Bad file descriptor) [pid 4039] close(9 [pid 4038] <... close resumed>) = 0 [pid 4037] close(4 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(5 [pid 4037] <... close resumed>) = 0 [pid 4039] close(10) = -1 EBADF (Bad file descriptor) [pid 4039] close(11) = -1 EBADF (Bad file descriptor) [pid 4039] close(12) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(5 [pid 4038] close(6 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 79.665906][ T4037] siw: device registration error -23 [ 79.688183][ T4039] siw: device registration error -23 [pid 4037] close(6 [pid 4038] close(7 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(7 [pid 4038] close(8 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(8 [pid 4038] close(9 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(9 [pid 4038] close(10 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(10 [pid 4038] close(11 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(11 [pid 4038] close(12 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(12 [pid 4038] close(13 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(13 [pid 4038] close(14 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(14 [pid 4038] close(15 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(15 [pid 4038] close(16 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(16 [pid 4038] close(17 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(17 [pid 4038] close(18 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(18 [pid 4038] close(19 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] close(13) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(19 [pid 4039] close(14 [pid 4038] close(20 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(20 [pid 4039] close(15 [pid 4038] close(21 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(21 [pid 4038] close(22 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(22 [pid 4038] close(23 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(23 [pid 4038] close(24 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(24 [pid 4038] close(25 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(25 [pid 4038] close(26 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(26 [pid 4038] close(27 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(27 [pid 4038] close(28 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(28 [pid 4038] close(29 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(29 [pid 4039] close(16 [pid 4038] exit_group(0 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... exit_group resumed>) = ? [pid 4037] exit_group(0 [pid 4039] close(17 [pid 4038] +++ exited with 0 +++ [pid 4037] <... exit_group resumed>) = ? [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] +++ exited with 0 +++ [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4039] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4039] close(19 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] close(20 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] close(21) = -1 EBADF (Bad file descriptor) [pid 4039] close(22 [pid 3619] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4039] close(23 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4039] close(24 [pid 3619] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... openat resumed>) = 3 [pid 4039] close(25 [pid 3622] <... openat resumed>) = 3 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3619] fstat(3, [pid 4039] close(26 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4039] close(27 [pid 3622] getdents64(3, [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4039] close(28 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4039] close(29 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./55/binderfs", [pid 3619] lstat("./51/binderfs", [pid 4039] exit_group(0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4039] <... exit_group resumed>) = ? [pid 3622] unlink("./55/binderfs" [pid 3619] unlink("./51/binderfs" [pid 4039] +++ exited with 0 +++ [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./55/cgroup", [pid 3619] lstat("./51/cgroup", [pid 3623] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./55/cgroup" [pid 3619] unlink("./51/cgroup" [pid 3623] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./55/cgroup.net", [pid 3619] lstat("./51/cgroup.net", [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] unlink("./55/cgroup.net" [pid 3619] unlink("./51/cgroup.net" [pid 3623] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./55/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./51/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./54/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] lstat("./55/cpuset.effective_cpus", [pid 3619] lstat("./51/cpuset.effective_cpus", [pid 3623] unlink("./54/binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./55/cpuset.effective_cpus" [pid 3619] unlink("./51/cpuset.effective_cpus" [pid 3623] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./54/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./55/cgroup.cpu", [pid 3619] lstat("./51/cgroup.cpu", [pid 3623] unlink("./54/cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./55/cgroup.cpu" [pid 3619] unlink("./51/cgroup.cpu" [pid 3623] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] getdents64(3, [pid 3623] lstat("./54/cgroup.net", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] close(3 [pid 3619] close(3 [pid 3623] unlink("./54/cgroup.net" [pid 3622] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] rmdir("./55" [pid 3619] rmdir("./51" [pid 3623] umount2("./54/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./56", 0777 [pid 3619] mkdir("./52", 0777 [pid 3623] lstat("./54/cpuset.effective_cpus", [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4046 attached ./strace-static-x86_64: Process 4045 attached [pid 3623] unlink("./54/cpuset.effective_cpus" [pid 4046] chdir("./52" [pid 4045] chdir("./56" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 58 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 54 [pid 4046] <... chdir resumed>) = 0 [pid 4045] <... chdir resumed>) = 0 [pid 3623] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] <... prctl resumed>) = 0 [pid 4045] <... prctl resumed>) = 0 [pid 3623] lstat("./54/cgroup.cpu", [pid 4046] setpgid(0, 0 [pid 4045] setpgid(0, 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4046] <... setpgid resumed>) = 0 [pid 4045] <... setpgid resumed>) = 0 [pid 3623] unlink("./54/cgroup.cpu" [pid 4046] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4045] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 4046] <... symlink resumed>) = 0 [pid 4045] <... symlink resumed>) = 0 [pid 3623] getdents64(3, [pid 4046] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4045] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4046] <... symlink resumed>) = 0 [pid 4045] <... symlink resumed>) = 0 [pid 3623] close(3 [pid 4046] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4045] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] <... close resumed>) = 0 [pid 4046] <... symlink resumed>) = 0 [pid 4045] <... symlink resumed>) = 0 [pid 3623] rmdir("./54" [pid 4046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... rmdir resumed>) = 0 [pid 4046] <... openat resumed>) = 3 [pid 3623] mkdir("./55", 0777 [pid 4046] write(3, "1000", 4 [pid 3623] <... mkdir resumed>) = 0 [pid 4046] <... write resumed>) = 4 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4047 attached [pid 4046] close(3 [pid 4045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4047] chdir("./55" [pid 4046] <... close resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 57 [pid 4047] <... chdir resumed>) = 0 [pid 4046] symlink("/dev/binderfs", "./binderfs" [pid 4045] <... openat resumed>) = 3 [pid 4047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4046] <... symlink resumed>) = 0 [pid 4045] write(3, "1000", 4 [pid 4047] <... prctl resumed>) = 0 [pid 4046] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4045] <... write resumed>) = 4 [pid 4047] setpgid(0, 0 [pid 4046] <... socket resumed>) = 3 [pid 4045] close(3 [pid 4047] <... setpgid resumed>) = 0 [pid 4046] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4045] <... close resumed>) = 0 [pid 4047] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4046] <... sendmsg resumed>) = 56 [pid 4045] symlink("/dev/binderfs", "./binderfs" [pid 4047] <... symlink resumed>) = 0 [pid 4046] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4045] <... symlink resumed>) = 0 [pid 4047] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4046] <... openat resumed>) = 4 [pid 4045] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4047] <... symlink resumed>) = 0 [pid 4046] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4045] <... socket resumed>) = 3 [pid 4047] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4045] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4047] <... symlink resumed>) = 0 [pid 4045] <... sendmsg resumed>) = 56 [pid 4047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4045] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4047] <... openat resumed>) = 3 [pid 4045] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4047] write(3, "1000", 4) = 4 [pid 4047] close(3) = 0 [pid 4047] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4047] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4047] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4047] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4047] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4045] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4046] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4047] close(3 [pid 4045] close(3 [pid 4047] <... close resumed>) = 0 [pid 4045] <... close resumed>) = 0 [pid 4047] close(4 [pid 4045] close(4 [pid 4047] <... close resumed>) = 0 [pid 4045] <... close resumed>) = 0 [pid 4047] close(5 [pid 4045] close(5 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(6 [pid 4045] close(6 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(7 [pid 4045] close(7 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(8 [pid 4045] close(8 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(9 [pid 4045] close(9 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(10 [pid 4045] close(10 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(11 [pid 4045] close(11 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(12 [pid 4045] close(12 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(13 [pid 4045] close(13 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(14 [pid 4045] close(14 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(15 [pid 4045] close(15 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(16 [pid 4045] close(16 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(17 [pid 4045] close(17 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(18 [pid 4045] close(18 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(19 [pid 4045] close(19 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(20 [pid 4045] close(20 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(21 [pid 4045] close(21 [pid 4046] close(3 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(22 [pid 4045] close(22 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] <... close resumed>) = 0 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(23 [pid 4045] close(23 [pid 4046] close(4 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(24 [pid 4046] <... close resumed>) = 0 [pid 4045] close(24 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(25 [pid 4046] close(5 [pid 4045] close(25 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(26 [pid 4046] close(6 [pid 4045] close(26 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(27 [pid 4046] close(7 [pid 4045] close(27 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(28 [pid 4046] close(8 [pid 4045] close(28 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 79.872984][ T4046] siw: device registration error -23 [ 79.905694][ T4047] siw: device registration error -23 [pid 4047] close(29 [pid 4045] close(29 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] exit_group(0 [pid 4045] exit_group(0 [pid 4047] <... exit_group resumed>) = ? [pid 4045] <... exit_group resumed>) = ? [pid 4047] +++ exited with 0 +++ [pid 4046] close(9 [pid 4045] +++ exited with 0 +++ [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4046] close(10) = -1 EBADF (Bad file descriptor) [pid 4046] close(11) = -1 EBADF (Bad file descriptor) [pid 4046] close(12) = -1 EBADF (Bad file descriptor) [pid 4046] close(13) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] close(14 [pid 3622] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] close(15 [pid 3623] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 4046] close(16) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3622] <... openat resumed>) = 3 [pid 4046] close(17 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 4046] close(18 [pid 3623] getdents64(3, [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4046] close(19 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3623] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] close(20 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] close(21 [pid 3623] lstat("./55/binderfs", [pid 3622] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4046] close(22 [pid 3623] unlink("./55/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] close(23 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./56/binderfs", [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] close(24 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./56/binderfs" [pid 4046] close(25 [pid 3623] lstat("./55/cgroup", [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4046] close(26 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./55/cgroup" [pid 4046] close(27 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./56/cgroup", [pid 4046] close(28 [pid 3623] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] close(29 [pid 3623] lstat("./55/cgroup.net", [pid 3622] unlink("./56/cgroup" [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4046] exit_group(0 [pid 3623] unlink("./55/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 4046] <... exit_group resumed>) = ? [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] +++ exited with 0 +++ [pid 3623] umount2("./55/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./56/cgroup.net", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] lstat("./55/cpuset.effective_cpus", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./56/cgroup.net" [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] unlink("./55/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./56/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./56/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./55/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./56/cpuset.effective_cpus" [pid 3619] <... openat resumed>) = 3 [pid 3623] unlink("./55/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] lstat("./56/cgroup.cpu", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] close(3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3622] unlink("./56/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./55" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./52/binderfs", [pid 3623] <... rmdir resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] mkdir("./56", 0777 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./52/binderfs" [pid 3623] <... mkdir resumed>) = 0 [pid 3622] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... close resumed>) = 0 [pid 3619] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4049 attached [pid 3622] rmdir("./56" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4049] chdir("./56" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 58 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] lstat("./52/cgroup", [pid 4049] <... chdir resumed>) = 0 [pid 3622] mkdir("./57", 0777 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... mkdir resumed>) = 0 [pid 3619] unlink("./52/cgroup" [pid 4049] <... prctl resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4050 attached [pid 4049] setpgid(0, 0 [pid 3619] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4049] <... setpgid resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 59 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4049] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] lstat("./52/cgroup.net", [pid 4050] chdir("./57" [pid 4049] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4049] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] unlink("./52/cgroup.net" [pid 4050] <... chdir resumed>) = 0 [pid 4049] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4049] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] umount2("./52/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4049] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] lstat("./52/cpuset.effective_cpus", [pid 4050] <... prctl resumed>) = 0 [pid 4049] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4050] setpgid(0, 0 [pid 4049] write(3, "1000", 4 [pid 3619] unlink("./52/cpuset.effective_cpus" [pid 4050] <... setpgid resumed>) = 0 [pid 4049] <... write resumed>) = 4 [pid 4050] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4049] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 4050] <... symlink resumed>) = 0 [pid 4049] <... close resumed>) = 0 [pid 3619] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4050] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4049] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4050] <... symlink resumed>) = 0 [pid 4049] <... symlink resumed>) = 0 [pid 3619] lstat("./52/cgroup.cpu", [pid 4050] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4049] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4050] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4049] <... socket resumed>) = 3 [pid 3619] unlink("./52/cgroup.cpu" [pid 4050] <... openat resumed>) = 3 [pid 4050] write(3, "1000", 4 [pid 4049] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4050] <... write resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4050] close(3 [pid 4049] <... sendmsg resumed>) = 56 [pid 3619] getdents64(3, [pid 4050] <... close resumed>) = 0 [pid 4050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4050] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4050] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4050] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4050] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4049] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 4049] <... openat resumed>) = 4 [pid 4049] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./52") = 0 [pid 3619] mkdir("./53", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4052 attached [pid 4052] chdir("./53") = 0 [pid 4052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4052] setpgid(0, 0) = 0 [pid 4052] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 55 [pid 4052] <... symlink resumed>) = 0 [pid 4052] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4052] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4052] write(3, "1000", 4) = 4 [pid 4052] close(3) = 0 [pid 4052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4052] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4052] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4052] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 80.047868][ T4049] siw: device registration error -23 [pid 4052] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4049] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4049] close(3) = 0 [pid 4049] close(4) = 0 [pid 4049] close(5) = -1 EBADF (Bad file descriptor) [pid 4049] close(6) = -1 EBADF (Bad file descriptor) [pid 4049] close(7) = -1 EBADF (Bad file descriptor) [pid 4049] close(8 [pid 4050] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4050] close(3) = 0 [pid 4050] close(4) = 0 [pid 4050] close(5) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(9) = -1 EBADF (Bad file descriptor) [pid 4049] close(10) = -1 EBADF (Bad file descriptor) [pid 4050] close(6 [pid 4049] close(11 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(12) = -1 EBADF (Bad file descriptor) [pid 4049] close(13) = -1 EBADF (Bad file descriptor) [pid 4050] close(7 [pid 4049] close(14 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(8) = -1 EBADF (Bad file descriptor) [pid 4049] close(15 [pid 4050] close(9 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(16 [pid 4050] close(10 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(11) = -1 EBADF (Bad file descriptor) [pid 4050] close(12) = -1 EBADF (Bad file descriptor) [pid 4050] close(13) = -1 EBADF (Bad file descriptor) [pid 4050] close(14) = -1 EBADF (Bad file descriptor) [pid 4050] close(15) = -1 EBADF (Bad file descriptor) [pid 4050] close(16 [pid 4049] close(17 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(17) = -1 EBADF (Bad file descriptor) [pid 4050] close(18) = -1 EBADF (Bad file descriptor) [pid 4050] close(19) = -1 EBADF (Bad file descriptor) [pid 4050] close(20) = -1 EBADF (Bad file descriptor) [pid 4050] close(21) = -1 EBADF (Bad file descriptor) [pid 4050] close(22) = -1 EBADF (Bad file descriptor) [pid 4050] close(23) = -1 EBADF (Bad file descriptor) [pid 4050] close(24) = -1 EBADF (Bad file descriptor) [pid 4050] close(25) = -1 EBADF (Bad file descriptor) [pid 4050] close(26 [pid 4049] close(18 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(27 [pid 4049] close(19 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(28 [pid 4049] close(20 [pid 4052] close(3 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 80.101450][ T4052] siw: device registration error -23 [pid 4052] <... close resumed>) = 0 [pid 4050] close(29 [pid 4049] close(21 [pid 4052] close(4 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4052] <... close resumed>) = 0 [pid 4050] exit_group(0 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4052] close(5 [pid 4050] <... exit_group resumed>) = ? [pid 4049] close(22 [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] +++ exited with 0 +++ [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(23) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4049] close(24) = -1 EBADF (Bad file descriptor) [pid 4052] close(6 [pid 4049] close(25) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4049] close(26) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4049] close(27 [pid 3622] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 4049] close(28 [pid 3622] fstat(3, [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4049] close(29 [pid 3622] getdents64(3, [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] exit_group(0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4052] close(7) = -1 EBADF (Bad file descriptor) [pid 4052] close(8) = -1 EBADF (Bad file descriptor) [pid 4052] close(9) = -1 EBADF (Bad file descriptor) [pid 4052] close(10) = -1 EBADF (Bad file descriptor) [pid 4052] close(11 [pid 4049] <... exit_group resumed>) = ? [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4052] close(12) = -1 EBADF (Bad file descriptor) [pid 4052] close(13 [pid 4049] +++ exited with 0 +++ [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4052] close(14 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] lstat("./57/binderfs", [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4052] close(15 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] unlink("./57/binderfs" [pid 4052] close(16) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4052] close(17 [pid 3622] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4052] close(18 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./57/cgroup", [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4052] close(19 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3622] unlink("./57/cgroup" [pid 4052] close(20 [pid 3623] fstat(3, [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4052] close(21 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4052] close(22) = -1 EBADF (Bad file descriptor) [pid 4052] close(23) = -1 EBADF (Bad file descriptor) [pid 4052] close(24) = -1 EBADF (Bad file descriptor) [pid 4052] close(25) = -1 EBADF (Bad file descriptor) [pid 4052] close(26 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] lstat("./57/cgroup.net", [pid 4052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4052] close(27) = -1 EBADF (Bad file descriptor) [pid 4052] close(28) = -1 EBADF (Bad file descriptor) [pid 4052] close(29) = -1 EBADF (Bad file descriptor) [pid 4052] exit_group(0) = ? [pid 4052] +++ exited with 0 +++ [pid 3623] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./57/cgroup.net" [pid 3623] lstat("./56/binderfs", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./57/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./56/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./57/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./57/cpuset.effective_cpus" [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] unlink("./56/cgroup" [pid 3622] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./57/cgroup.cpu", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./56/cgroup.net", [pid 3622] unlink("./57/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./53/binderfs", [pid 3623] unlink("./56/cgroup.net" [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./53/binderfs" [pid 3623] umount2("./56/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... close resumed>) = 0 [pid 3619] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./56/cpuset.effective_cpus", [pid 3622] rmdir("./57" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] unlink("./56/cpuset.effective_cpus" [pid 3622] mkdir("./58", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./53/cgroup", ./strace-static-x86_64: Process 4056 attached [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./56/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4056] chdir("./58" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 60 [pid 3619] unlink("./53/cgroup" [pid 3623] unlink("./56/cgroup.cpu" [pid 4056] <... chdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] close(3 [pid 3619] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... prctl resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 4056] setpgid(0, 0 [pid 3623] rmdir("./56" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] <... setpgid resumed>) = 0 [pid 3619] lstat("./53/cgroup.net", [pid 4056] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4056] <... symlink resumed>) = 0 [pid 3623] mkdir("./57", 0777 [pid 3619] unlink("./53/cgroup.net" [pid 4056] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4056] <... symlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] umount2("./53/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4057 attached [pid 4056] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] chdir("./57" [pid 4056] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 59 [pid 3619] lstat("./53/cpuset.effective_cpus", [pid 4057] <... chdir resumed>) = 0 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4056] <... openat resumed>) = 3 [pid 3619] unlink("./53/cpuset.effective_cpus" [pid 4057] <... prctl resumed>) = 0 [pid 4056] write(3, "1000", 4 [pid 3619] <... unlink resumed>) = 0 [pid 4057] setpgid(0, 0 [pid 4056] <... write resumed>) = 4 [pid 3619] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4057] <... setpgid resumed>) = 0 [pid 4056] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4056] <... close resumed>) = 0 [pid 3619] lstat("./53/cgroup.cpu", [pid 4057] <... symlink resumed>) = 0 [pid 4056] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4057] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4056] <... symlink resumed>) = 0 [pid 3619] unlink("./53/cgroup.cpu" [pid 4057] <... symlink resumed>) = 0 [pid 4056] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... unlink resumed>) = 0 [pid 4057] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4056] <... socket resumed>) = 3 [pid 3619] getdents64(3, [pid 4057] <... symlink resumed>) = 0 [pid 4056] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4056] <... sendmsg resumed>) = 56 [pid 3619] close(3 [pid 4057] <... openat resumed>) = 3 [pid 4056] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... close resumed>) = 0 [pid 4057] write(3, "1000", 4 [pid 4056] <... openat resumed>) = 4 [pid 3619] rmdir("./53" [pid 4057] <... write resumed>) = 4 [pid 4056] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... rmdir resumed>) = 0 [pid 4057] close(3 [pid 3619] mkdir("./54", 0777 [pid 4057] <... close resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 4057] symlink("/dev/binderfs", "./binderfs" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4057] <... symlink resumed>) = 0 [pid 4057] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 ./strace-static-x86_64: Process 4058 attached [pid 4057] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4058] chdir("./54" [pid 4057] <... sendmsg resumed>) = 56 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 56 [pid 4058] <... chdir resumed>) = 0 [pid 4057] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4057] <... openat resumed>) = 4 [pid 4058] <... prctl resumed>) = 0 [pid 4057] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4058] setpgid(0, 0) = 0 [pid 4058] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4058] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4058] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4058] write(3, "1000", 4) = 4 [pid 4058] close(3) = 0 [pid 4058] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4058] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4058] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4058] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4058] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4058] close(3) = 0 [pid 4058] close(4) = 0 [pid 4058] close(5) = -1 EBADF (Bad file descriptor) [pid 4058] close(6) = -1 EBADF (Bad file descriptor) [pid 4058] close(7) = -1 EBADF (Bad file descriptor) [pid 4058] close(8) = -1 EBADF (Bad file descriptor) [pid 4058] close(9) = -1 EBADF (Bad file descriptor) [pid 4058] close(10) = -1 EBADF (Bad file descriptor) [pid 4058] close(11) = -1 EBADF (Bad file descriptor) [pid 4058] close(12) = -1 EBADF (Bad file descriptor) [pid 4058] close(13) = -1 EBADF (Bad file descriptor) [pid 4058] close(14) = -1 EBADF (Bad file descriptor) [pid 4058] close(15) = -1 EBADF (Bad file descriptor) [pid 4058] close(16) = -1 EBADF (Bad file descriptor) [pid 4057] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4058] close(17 [pid 4057] close(3 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = 0 [pid 4058] close(18 [pid 4057] close(4 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = 0 [pid 4058] close(19 [pid 4057] close(5 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(20 [pid 4057] close(6 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(21 [pid 4057] close(7 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(22 [pid 4057] close(8 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(23 [pid 4057] close(9 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(24 [pid 4057] close(10 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(25 [pid 4057] close(11 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(26 [pid 4057] close(12 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(27 [pid 4057] close(13 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(28 [pid 4057] close(14 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(29 [pid 4057] close(15 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] exit_group(0 [pid 4057] close(16 [pid 4058] <... exit_group resumed>) = ? [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] +++ exited with 0 +++ [pid 4057] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4057] close(18) = -1 EBADF (Bad file descriptor) [pid 4057] close(19) = -1 EBADF (Bad file descriptor) [pid 4057] close(20) = -1 EBADF (Bad file descriptor) [pid 4057] close(21) = -1 EBADF (Bad file descriptor) [pid 4057] close(22) = -1 EBADF (Bad file descriptor) [pid 4057] close(23) = -1 EBADF (Bad file descriptor) [pid 4056] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4057] close(24 [pid 3619] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] close(25 [pid 3619] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4057] close(26 [pid 3619] fstat(3, [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4057] close(27 [pid 3619] getdents64(3, [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4057] close(28 [pid 3619] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] close(29 [pid 3619] lstat("./54/binderfs", [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4057] exit_group(0 [pid 3619] unlink("./54/binderfs" [pid 4057] <... exit_group resumed>) = ? [pid 3619] <... unlink resumed>) = 0 [pid 4057] +++ exited with 0 +++ [pid 4056] <... close resumed>) = 0 [pid 3619] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./54/cgroup") = 0 [pid 4056] close(4 [pid 3619] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(5 [pid 3619] lstat("./54/cgroup.net", [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4056] close(6 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./54/cgroup.net" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 4056] close(7 [pid 3623] <... openat resumed>) = 3 [pid 3619] umount2("./54/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(8 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./54/cpuset.effective_cpus", [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4056] close(9 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] unlink("./54/cpuset.effective_cpus" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4056] close(10 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./57/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(11 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./54/cgroup.cpu", [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 80.271056][ T4057] siw: device registration error -23 [ 80.305195][ T4058] siw: device registration error -23 [pid 3623] unlink("./57/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4056] close(12 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./54/cgroup.cpu" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4056] close(13 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./57/cgroup", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4056] close(14 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] close(3 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./57/cgroup" [pid 3619] <... close resumed>) = 0 [pid 4056] close(15 [pid 3623] <... unlink resumed>) = 0 [pid 3619] rmdir("./54" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 4056] close(16 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./55", 0777 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./57/cgroup.net", [pid 3619] <... mkdir resumed>) = 0 [pid 4056] close(17 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4061 attached [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./57/cgroup.net" [pid 4061] chdir("./55" [pid 4056] close(18 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 57 [pid 4061] <... chdir resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./57/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4056] close(19 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4061] <... prctl resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./57/cpuset.effective_cpus", [pid 4061] setpgid(0, 0 [pid 4056] close(20 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4061] <... setpgid resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./57/cpuset.effective_cpus" [pid 4061] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4056] close(21 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./57/cgroup.cpu" [pid 4061] <... symlink resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 4061] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4056] close(22 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] rmdir("./57" [pid 4061] <... symlink resumed>) = 0 [pid 4056] close(23 [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./58", 0777 [pid 4061] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 4056] close(24 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4062 attached [pid 4061] <... symlink resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 60 [pid 4062] chdir("./58" [pid 4061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4056] close(25 [pid 4062] <... chdir resumed>) = 0 [pid 4061] <... openat resumed>) = 3 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4061] write(3, "1000", 4 [pid 4056] close(26 [pid 4062] <... prctl resumed>) = 0 [pid 4061] <... write resumed>) = 4 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] setpgid(0, 0 [pid 4061] close(3 [pid 4056] close(27 [pid 4062] <... setpgid resumed>) = 0 [pid 4061] <... close resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4061] symlink("/dev/binderfs", "./binderfs" [pid 4056] close(28 [pid 4062] <... symlink resumed>) = 0 [pid 4061] <... symlink resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4061] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4056] close(29 [pid 4062] <... symlink resumed>) = 0 [pid 4061] <... socket resumed>) = 3 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4061] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4056] exit_group(0 [pid 4062] <... symlink resumed>) = 0 [pid 4061] <... sendmsg resumed>) = 56 [pid 4056] <... exit_group resumed>) = ? [pid 4062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4061] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4056] +++ exited with 0 +++ [pid 4062] <... openat resumed>) = 3 [pid 4061] <... openat resumed>) = 4 [pid 4062] write(3, "1000", 4 [pid 4061] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4062] <... write resumed>) = 4 [pid 4062] close(3) = 0 [pid 4062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4062] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4062] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4062] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4062] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4061] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3622] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./58/binderfs" [pid 4061] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4061] <... close resumed>) = 0 [pid 3622] lstat("./58/cgroup", [pid 4061] close(4 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./58/cgroup" [pid 4061] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4061] close(5 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./58/cgroup.net", [pid 4061] close(6 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./58/cgroup.net" [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./58/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4061] close(7 [pid 3622] lstat("./58/cpuset.effective_cpus", [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(8) = -1 EBADF (Bad file descriptor) [pid 4061] close(9) = -1 EBADF (Bad file descriptor) [pid 4061] close(10) = -1 EBADF (Bad file descriptor) [pid 4061] close(11 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./58/cpuset.effective_cpus" [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(12) = -1 EBADF (Bad file descriptor) [pid 4061] close(13) = -1 EBADF (Bad file descriptor) [pid 4061] close(14) = -1 EBADF (Bad file descriptor) [pid 4061] close(15) = -1 EBADF (Bad file descriptor) [pid 4061] close(16) = -1 EBADF (Bad file descriptor) [pid 4061] close(17) = -1 EBADF (Bad file descriptor) [pid 4061] close(18) = -1 EBADF (Bad file descriptor) [pid 4061] close(19 [pid 3622] <... unlink resumed>) = 0 [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(20 [pid 3622] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(22 [pid 3622] lstat("./58/cgroup.cpu", [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(23 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4061] close(24) = -1 EBADF (Bad file descriptor) [pid 4061] close(25) = -1 EBADF (Bad file descriptor) [pid 4061] close(26) = -1 EBADF (Bad file descriptor) [pid 4061] close(27) = -1 EBADF (Bad file descriptor) [pid 4061] close(28) = -1 EBADF (Bad file descriptor) [pid 4061] close(29) = -1 EBADF (Bad file descriptor) [pid 4061] exit_group(0 [pid 3622] unlink("./58/cgroup.cpu" [pid 4061] <... exit_group resumed>) = ? [pid 4061] +++ exited with 0 +++ [pid 3622] <... unlink resumed>) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] close(3 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3622] <... close resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [ 80.415830][ T4061] siw: device registration error -23 [ 80.432365][ T4062] siw: device registration error -23 [pid 3622] rmdir("./58") = 0 [pid 3622] mkdir("./59", 0777 [pid 3619] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 4065 attached ) = 3 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 61 [pid 4065] chdir("./59" [pid 3619] fstat(3, [pid 4065] <... chdir resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] getdents64(3, [pid 4065] setpgid(0, 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4065] <... setpgid resumed>) = 0 [pid 3619] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4065] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] <... symlink resumed>) = 0 [pid 3619] lstat("./55/binderfs", [pid 4065] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4065] <... symlink resumed>) = 0 [pid 3619] unlink("./55/binderfs" [pid 4065] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 4065] <... symlink resumed>) = 0 [pid 3619] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] <... openat resumed>) = 3 [pid 3619] lstat("./55/cgroup", [pid 4065] write(3, "1000", 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4065] <... write resumed>) = 4 [pid 3619] unlink("./55/cgroup" [pid 4065] close(3) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4065] symlink("/dev/binderfs", "./binderfs" [pid 3619] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4065] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] lstat("./55/cgroup.net", [pid 4065] <... socket resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4065] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] unlink("./55/cgroup.net" [pid 4062] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4062] close(3 [pid 4065] <... sendmsg resumed>) = 56 [pid 3619] <... unlink resumed>) = 0 [pid 4065] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] umount2("./55/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4062] <... close resumed>) = 0 [pid 4065] <... openat resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] lstat("./55/cpuset.effective_cpus", [pid 4062] close(4 [pid 4065] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4065] close(3 [pid 4062] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4065] <... close resumed>) = 0 [pid 3619] unlink("./55/cpuset.effective_cpus" [pid 4065] close(4 [pid 4062] close(5) = -1 EBADF (Bad file descriptor) [pid 4062] close(6) = -1 EBADF (Bad file descriptor) [pid 4062] close(7) = -1 EBADF (Bad file descriptor) [pid 4062] close(8) = -1 EBADF (Bad file descriptor) [pid 4065] <... close resumed>) = 0 [pid 4062] close(9 [pid 3619] <... unlink resumed>) = 0 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(10) = -1 EBADF (Bad file descriptor) [pid 4065] close(5) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4065] close(6) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./55/cgroup.cpu", [pid 4065] close(8) = -1 EBADF (Bad file descriptor) [pid 4062] close(11 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(12) = -1 EBADF (Bad file descriptor) [pid 4062] close(13) = -1 EBADF (Bad file descriptor) [pid 4062] close(14) = -1 EBADF (Bad file descriptor) [pid 4062] close(15) = -1 EBADF (Bad file descriptor) [pid 4062] close(16) = -1 EBADF (Bad file descriptor) [pid 4062] close(17) = -1 EBADF (Bad file descriptor) [pid 4062] close(18) = -1 EBADF (Bad file descriptor) [pid 4062] close(19) = -1 EBADF (Bad file descriptor) [pid 4062] close(20) = -1 EBADF (Bad file descriptor) [pid 4062] close(21) = -1 EBADF (Bad file descriptor) [pid 4062] close(22) = -1 EBADF (Bad file descriptor) [pid 4062] close(23) = -1 EBADF (Bad file descriptor) [pid 4062] close(24 [pid 4065] close(9 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./55/cgroup.cpu" [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(25) = -1 EBADF (Bad file descriptor) [pid 4062] close(26) = -1 EBADF (Bad file descriptor) [pid 4065] close(10 [pid 3619] <... unlink resumed>) = 0 [pid 4062] close(27) = -1 EBADF (Bad file descriptor) [pid 4062] close(28) = -1 EBADF (Bad file descriptor) [pid 4062] close(29) = -1 EBADF (Bad file descriptor) [pid 4062] exit_group(0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] <... exit_group resumed>) = ? [pid 3619] getdents64(3, [pid 4065] close(11 [pid 4062] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3623] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4065] close(12 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3 [pid 4065] close(13 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./58/binderfs", [pid 3619] <... close resumed>) = 0 [pid 4065] close(14 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] rmdir("./55" [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./58/binderfs" [pid 4065] close(15 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./56", 0777 [pid 4065] close(16 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./58/cgroup", [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./58/cgroup") = 0 [pid 3623] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./58/cgroup.net" [pid 4065] close(17 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./58/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4068 attached [pid 4065] close(18 [pid 3623] lstat("./58/cpuset.effective_cpus", [pid 4068] chdir("./56" [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 58 [pid 4068] <... chdir resumed>) = 0 [pid 4065] close(19 [pid 3623] unlink("./58/cpuset.effective_cpus" [pid 4068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4068] <... prctl resumed>) = 0 [pid 4068] setpgid(0, 0) = 0 [pid 4068] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3623] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4068] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4068] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4065] close(20 [pid 3623] lstat("./58/cgroup.cpu", [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4065] close(21 [pid 4068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4065] close(22) = -1 EBADF (Bad file descriptor) [pid 4065] close(23) = -1 EBADF (Bad file descriptor) [pid 4065] close(24 [pid 4068] <... openat resumed>) = 3 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./58/cgroup.cpu" [pid 4068] write(3, "1000", 4 [pid 4065] close(25 [pid 3623] <... unlink resumed>) = 0 [pid 4068] <... write resumed>) = 4 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 4068] close(3 [pid 4065] close(26 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4068] <... close resumed>) = 0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] close(3 [pid 4068] symlink("/dev/binderfs", "./binderfs" [pid 4065] close(27 [pid 3623] <... close resumed>) = 0 [pid 4068] <... symlink resumed>) = 0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] rmdir("./58" [pid 4068] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... rmdir resumed>) = 0 [pid 4068] <... socket resumed>) = 3 [pid 3623] mkdir("./59", 0777 [pid 4068] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... mkdir resumed>) = 0 [pid 4068] <... sendmsg resumed>) = 56 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4069 attached [pid 4068] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4065] close(28 [pid 4068] <... openat resumed>) = 4 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] chdir("./59" [pid 4068] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4065] close(29 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 61 [pid 4069] <... chdir resumed>) = 0 [pid 4065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4065] exit_group(0 [pid 4069] setpgid(0, 0 [pid 4065] <... exit_group resumed>) = ? [pid 4069] <... setpgid resumed>) = 0 [pid 4065] +++ exited with 0 +++ [pid 4069] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4069] <... symlink resumed>) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4069] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... restart_syscall resumed>) = 0 [pid 4069] <... symlink resumed>) = 0 [pid 4069] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3622] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4069] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4069] write(3, "1000", 4) = 4 [pid 3622] <... openat resumed>) = 3 [pid 4069] close(3 [pid 3622] fstat(3, [pid 4069] <... close resumed>) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4069] symlink("/dev/binderfs", "./binderfs" [pid 3622] getdents64(3, [pid 4069] <... symlink resumed>) = 0 [pid 4069] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4069] <... socket resumed>) = 3 [pid 3622] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4069] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4069] <... sendmsg resumed>) = 56 [pid 3622] lstat("./59/binderfs", [pid 4069] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4069] <... openat resumed>) = 4 [pid 3622] unlink("./59/binderfs" [pid 4069] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... unlink resumed>) = 0 [ 80.633866][ T4068] siw: device registration error -23 [pid 4068] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4068] close(3) = 0 [pid 4068] close(4) = 0 [pid 4068] close(5) = -1 EBADF (Bad file descriptor) [pid 4068] close(6) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./59/cgroup", [pid 4069] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./59/cgroup" [pid 4069] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./59/cgroup.net" [pid 4069] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4069] close(4 [pid 3622] umount2("./59/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4069] <... close resumed>) = 0 [pid 4069] close(5) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./59/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./59/cpuset.effective_cpus" [pid 4069] close(6) = -1 EBADF (Bad file descriptor) [pid 4069] close(7) = -1 EBADF (Bad file descriptor) [pid 4069] close(8) = -1 EBADF (Bad file descriptor) [pid 4068] close(7 [pid 4069] close(9 [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(8 [pid 4069] close(10 [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(9 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4069] close(11 [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./59/cgroup.cpu", [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(10 [pid 4069] close(12 [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(11 [pid 4069] close(13 [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(12 [pid 4069] close(14 [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(13 [pid 4069] close(15 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./59/cgroup.cpu" [pid 4069] close(16 [pid 4068] close(14 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4069] close(17 [ 80.666059][ T4069] siw: device registration error -23 [pid 4068] close(15 [pid 3622] getdents64(3, [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(18 [pid 4068] close(16 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] close(3 [pid 4069] close(19 [pid 4068] close(17 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... close resumed>) = 0 [pid 4069] close(20 [pid 4068] close(18 [pid 3622] rmdir("./59" [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(21 [pid 4068] close(19 [pid 3622] <... rmdir resumed>) = 0 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] mkdir("./60", 0777 [pid 4069] close(22 [pid 4068] close(20 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(23 [pid 4068] close(21 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(24 [pid 4068] close(22 [pid 3622] <... mkdir resumed>) = 0 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(25 [pid 4068] close(23 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(26 [pid 4068] close(24 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(27 [pid 4068] close(25 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(28 [pid 4068] close(26 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4069] close(29 [pid 4068] close(27 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4071 attached [pid 4069] exit_group(0 [pid 4068] close(28 [pid 4071] chdir("./60" [pid 4069] <... exit_group resumed>) = ? [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4071] <... chdir resumed>) = 0 [pid 4069] +++ exited with 0 +++ [pid 4068] close(29 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 62 [pid 4071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4071] <... prctl resumed>) = 0 [pid 4068] exit_group(0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4071] setpgid(0, 0 [pid 4068] <... exit_group resumed>) = ? [pid 3623] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... setpgid resumed>) = 0 [pid 4068] +++ exited with 0 +++ [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4071] <... symlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 4071] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] fstat(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4071] <... symlink resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] getdents64(3, [pid 4071] <... symlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4071] write(3, "1000", 4 [pid 3623] lstat("./59/binderfs", [pid 4071] <... write resumed>) = 4 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4071] close(3 [pid 3623] unlink("./59/binderfs" [pid 4071] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 4071] symlink("/dev/binderfs", "./binderfs" [pid 3623] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] lstat("./59/cgroup", [pid 3619] fstat(3, [pid 4071] <... socket resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4071] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] unlink("./59/cgroup" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4071] <... sendmsg resumed>) = 56 [pid 3623] <... unlink resumed>) = 0 [pid 4071] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 4071] <... openat resumed>) = 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] lstat("./59/cgroup.net", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./59/cgroup.net" [pid 3619] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3623] <... unlink resumed>) = 0 [pid 4071] close(3 [pid 3623] umount2("./59/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./56/binderfs", [pid 4071] close(4 [pid 3623] lstat("./59/cpuset.effective_cpus", [pid 4071] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4071] close(5 [pid 3623] unlink("./59/cpuset.effective_cpus" [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./56/binderfs" [pid 4071] close(6 [pid 3623] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4071] close(7 [pid 3623] lstat("./59/cgroup.cpu", [pid 3619] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4071] close(8 [pid 3623] unlink("./59/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./56/cgroup", [pid 4071] close(9 [pid 3623] getdents64(3, [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4071] close(10 [pid 3623] close(3 [pid 3619] unlink("./56/cgroup" [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 4071] close(11 [pid 3623] rmdir("./59" [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4071] close(12 [pid 3623] mkdir("./60", 0777 [pid 3619] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 4071] close(13 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4073 attached [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] chdir("./60" [pid 4071] close(14 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 62 [pid 3619] lstat("./56/cgroup.net", [pid 4073] <... chdir resumed>) = 0 [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4071] close(15 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4073] <... prctl resumed>) = 0 [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./56/cgroup.net" [pid 4073] setpgid(0, 0 [pid 4071] close(16 [pid 4073] <... setpgid resumed>) = 0 [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4073] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4071] close(17 [pid 3619] umount2("./56/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4073] <... symlink resumed>) = 0 [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4073] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4071] close(18 [pid 3619] lstat("./56/cpuset.effective_cpus", [pid 4073] <... symlink resumed>) = 0 [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4071] close(19 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4071] close(20) = -1 EBADF (Bad file descriptor) [pid 4071] close(21) = -1 EBADF (Bad file descriptor) [pid 4071] close(22) = -1 EBADF (Bad file descriptor) [pid 4073] <... symlink resumed>) = 0 [pid 4071] close(23 [pid 3619] unlink("./56/cpuset.effective_cpus" [pid 4073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4071] close(24) = -1 EBADF (Bad file descriptor) [pid 4071] close(25) = -1 EBADF (Bad file descriptor) [pid 4071] close(26) = -1 EBADF (Bad file descriptor) [pid 4071] close(27) = -1 EBADF (Bad file descriptor) [pid 4071] close(28) = -1 EBADF (Bad file descriptor) [pid 4071] close(29) = -1 EBADF (Bad file descriptor) [pid 4073] <... openat resumed>) = 3 [pid 4071] exit_group(0 [pid 4073] write(3, "1000", 4 [pid 4071] <... exit_group resumed>) = ? [pid 4073] <... write resumed>) = 4 [pid 4071] +++ exited with 0 +++ [pid 3619] <... unlink resumed>) = 0 [pid 4073] close(3 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4073] <... close resumed>) = 0 [pid 4073] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4073] <... symlink resumed>) = 0 [pid 3619] lstat("./56/cgroup.cpu", [pid 4073] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4073] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] unlink("./56/cgroup.cpu" [pid 4073] <... sendmsg resumed>) = 56 [pid 4073] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... unlink resumed>) = 0 [pid 3622] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4073] <... openat resumed>) = 4 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 4073] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] close(3 [pid 3622] fstat(3, [pid 3619] <... close resumed>) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] rmdir("./56" [pid 3622] getdents64(3, [pid 3619] <... rmdir resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] mkdir("./57", 0777 [pid 3622] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3622] lstat("./60/binderfs", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4075 attached [pid 3622] unlink("./60/binderfs" [pid 4075] chdir("./57" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 59 [pid 3622] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./60/cgroup", [pid 4075] <... chdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] unlink("./60/cgroup" [pid 4075] <... prctl resumed>) = 0 [pid 4075] setpgid(0, 0 [pid 3622] <... unlink resumed>) = 0 [pid 4075] <... setpgid resumed>) = 0 [pid 3622] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4075] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./60/cgroup.net", [pid 4075] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4075] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] unlink("./60/cgroup.net" [pid 4075] <... symlink resumed>) = 0 [pid 4075] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./60/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4075] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] lstat("./60/cpuset.effective_cpus", [pid 4075] <... openat resumed>) = 3 [pid 4075] write(3, "1000", 4 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4075] <... write resumed>) = 4 [pid 3622] unlink("./60/cpuset.effective_cpus" [pid 4075] close(3) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4075] symlink("/dev/binderfs", "./binderfs" [pid 3622] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4075] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4075] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] lstat("./60/cgroup.cpu", [pid 4075] <... socket resumed>) = 3 [pid 4075] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4075] <... sendmsg resumed>) = 56 [pid 3622] unlink("./60/cgroup.cpu" [pid 4075] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3622] <... unlink resumed>) = 0 [ 80.826849][ T4073] siw: device registration error -23 [pid 4075] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./60") = 0 [pid 3622] mkdir("./61", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4076 attached , child_tidptr=0x5555558f4690) = 63 [pid 4076] chdir("./61") = 0 [pid 4076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4076] setpgid(0, 0) = 0 [pid 4076] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4076] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4076] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4073] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4073] close(3 [pid 4076] <... openat resumed>) = 3 [pid 4073] <... close resumed>) = 0 [pid 4076] write(3, "1000", 4 [pid 4073] close(4 [pid 4076] <... write resumed>) = 4 [pid 4073] <... close resumed>) = 0 [pid 4076] close(3 [pid 4075] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4073] close(5 [pid 4076] <... close resumed>) = 0 [pid 4075] close(3 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] symlink("/dev/binderfs", "./binderfs" [pid 4075] <... close resumed>) = 0 [pid 4073] close(6 [pid 4076] <... symlink resumed>) = 0 [pid 4075] close(4 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4075] <... close resumed>) = 0 [ 80.883745][ T4075] siw: device registration error -23 [pid 4073] close(7 [pid 4076] <... socket resumed>) = 3 [pid 4075] close(5 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(8 [pid 4076] <... sendmsg resumed>) = 56 [pid 4075] close(6 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(9 [pid 4076] <... openat resumed>) = 4 [pid 4075] close(7 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(10 [pid 4076] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4075] close(8 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(3 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(11 [pid 4076] <... close resumed>) = 0 [pid 4075] close(9 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(4 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(12 [pid 4076] <... close resumed>) = 0 [pid 4075] close(10 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(13 [pid 4075] close(11 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(5 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(14 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] close(12 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(6 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(15 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] close(13 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(7 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(16 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] close(14 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(8 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(17 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] close(15 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(9 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(18 [pid 4075] close(16 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(19 [pid 4075] close(17 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(20 [pid 4075] close(18 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(21 [pid 4075] close(19 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(22 [pid 4075] close(20 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(23 [pid 4075] close(21 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(24 [pid 4076] close(10 [pid 4075] close(22 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(25 [pid 4076] close(11 [pid 4075] close(23 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(26 [pid 4076] close(12 [pid 4075] close(24 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(27 [pid 4076] close(13 [pid 4075] close(25 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(28 [pid 4076] close(14 [pid 4075] close(26 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] close(29 [pid 4076] close(15 [pid 4075] close(27 [pid 4073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] exit_group(0 [pid 4076] close(16 [pid 4075] close(28 [pid 4073] <... exit_group resumed>) = ? [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4073] +++ exited with 0 +++ [pid 4075] close(29 [pid 4076] close(17 [pid 4075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] exit_group(0 [pid 4076] close(18 [pid 4075] <... exit_group resumed>) = ? [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4075] +++ exited with 0 +++ [pid 3623] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4076] close(19 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(20 [pid 3623] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4076] close(21 [pid 3623] <... openat resumed>) = 3 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 4076] close(22 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 4076] close(23 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4076] close(24 [pid 3619] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] close(25 [pid 3623] lstat("./60/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4076] close(26 [pid 3623] unlink("./60/binderfs" [pid 3619] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4076] close(27 [pid 3623] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] close(28 [pid 3623] lstat("./60/cgroup", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4076] close(29 [pid 3619] getdents64(3, [pid 3623] unlink("./60/cgroup" [pid 4076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... unlink resumed>) = 0 [pid 4076] exit_group(0 [pid 3623] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4076] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] +++ exited with 0 +++ [pid 3623] lstat("./60/cgroup.net", [pid 3619] lstat("./57/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./60/cgroup.net" [pid 3619] unlink("./57/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./60/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./60/cpuset.effective_cpus", [pid 3622] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] lstat("./57/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./60/cpuset.effective_cpus" [pid 3622] fstat(3, [pid 3619] unlink("./57/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3619] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./60/cgroup.cpu", [pid 3622] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./57/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./60/cgroup.cpu" [pid 3622] lstat("./61/binderfs", [pid 3619] unlink("./57/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] unlink("./61/binderfs" [pid 3619] umount2("./57/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3622] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./57/cpuset.effective_cpus", [pid 3623] <... close resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] rmdir("./60" [pid 3622] lstat("./61/cgroup", [pid 3619] unlink("./57/cpuset.effective_cpus" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./61/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] mkdir("./61", 0777 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./57/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./57" [pid 3622] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./58", 0777) = 0 ./strace-static-x86_64: Process 4081 attached [pid 3622] lstat("./61/cgroup.net", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4082 attached [pid 4081] chdir("./61" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 63 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4081] <... chdir resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 60 [pid 4081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4081] setpgid(0, 0) = 0 [pid 4081] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4081] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] unlink("./61/cgroup.net" [pid 4082] chdir("./58" [pid 4081] <... symlink resumed>) = 0 [pid 4082] <... chdir resumed>) = 0 [pid 4081] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 4082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4081] <... symlink resumed>) = 0 [pid 3622] umount2("./61/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4082] <... prctl resumed>) = 0 [pid 4081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4082] setpgid(0, 0 [pid 4081] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4082] <... setpgid resumed>) = 0 [pid 4081] write(3, "1000", 4 [pid 3622] lstat("./61/cpuset.effective_cpus", [pid 4082] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4081] <... write resumed>) = 4 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4082] <... symlink resumed>) = 0 [pid 4081] close(3 [pid 3622] unlink("./61/cpuset.effective_cpus" [pid 4082] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4081] <... close resumed>) = 0 [pid 4082] <... symlink resumed>) = 0 [pid 4081] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 4082] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4081] <... symlink resumed>) = 0 [pid 3622] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4082] <... symlink resumed>) = 0 [pid 4081] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4081] <... socket resumed>) = 3 [pid 3622] lstat("./61/cgroup.cpu", [pid 4082] <... openat resumed>) = 3 [pid 4081] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4082] write(3, "1000", 4 [pid 4081] <... sendmsg resumed>) = 56 [pid 3622] unlink("./61/cgroup.cpu" [pid 4082] <... write resumed>) = 4 [pid 4081] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4082] close(3 [pid 4081] <... openat resumed>) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 4082] <... close resumed>) = 0 [pid 4081] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] getdents64(3, [pid 4082] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4082] <... symlink resumed>) = 0 [pid 3622] close(3 [pid 4082] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3622] <... close resumed>) = 0 [pid 4082] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3622] rmdir("./61" [pid 4082] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3622] <... rmdir resumed>) = 0 [pid 4082] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] mkdir("./62", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4084 attached , child_tidptr=0x5555558f4690) = 64 [pid 4084] chdir("./62") = 0 [pid 4084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4084] setpgid(0, 0) = 0 [pid 4084] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4084] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4084] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4084] write(3, "1000", 4) = 4 [pid 4084] close(3 [pid 4082] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4084] <... close resumed>) = 0 [ 81.063464][ T4081] siw: device registration error -23 [ 81.077515][ T4082] siw: device registration error -23 [pid 4082] close(3 [pid 4084] symlink("/dev/binderfs", "./binderfs" [pid 4082] <... close resumed>) = 0 [pid 4084] <... symlink resumed>) = 0 [pid 4082] close(4 [pid 4084] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4084] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4084] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4082] <... close resumed>) = 0 [pid 4084] <... openat resumed>) = 4 [pid 4082] close(5) = -1 EBADF (Bad file descriptor) [pid 4084] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4082] close(6 [pid 4084] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] close(7) = -1 EBADF (Bad file descriptor) [pid 4084] close(3 [pid 4082] close(8 [pid 4084] <... close resumed>) = 0 [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(4 [pid 4082] close(9 [pid 4081] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4084] <... close resumed>) = 0 [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] close(10) = -1 EBADF (Bad file descriptor) [pid 4084] close(5 [pid 4082] close(11 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(6 [pid 4082] close(12 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(7 [pid 4082] close(13 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(8 [pid 4082] close(14 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(9 [pid 4082] close(15 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(10 [pid 4082] close(16 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] close(11 [pid 4082] close(17 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(3 [pid 4084] close(12 [pid 4082] close(18 [pid 4081] <... close resumed>) = 0 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(4 [pid 4084] close(13 [pid 4082] close(19 [pid 4081] <... close resumed>) = 0 [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(5 [pid 4084] close(14 [pid 4082] close(20 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(6 [pid 4084] close(15 [pid 4082] close(21 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(7 [pid 4084] close(16 [pid 4082] close(22 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(8 [pid 4084] close(17 [pid 4082] close(23 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(9 [pid 4084] close(18 [pid 4082] close(24 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(10 [pid 4084] close(19 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(11 [pid 4084] close(20 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(12 [pid 4084] close(21 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(13 [pid 4084] close(22 [pid 4082] close(25 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(14 [pid 4084] close(23 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(15 [pid 4084] close(24 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(16 [pid 4084] close(25 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(17 [pid 4084] close(26 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(18 [pid 4084] close(27 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(19 [pid 4084] close(28 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] close(26 [pid 4081] close(20 [pid 4084] close(29 [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] close(27 [pid 4081] close(21 [pid 4084] exit_group(0 [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4084] <... exit_group resumed>) = ? [pid 4081] close(22 [pid 4084] +++ exited with 0 +++ [pid 4082] close(28 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(23 [pid 4082] close(29 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(24 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4082] exit_group(0 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4082] <... exit_group resumed>) = ? [pid 4081] close(25 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(26 [pid 4082] +++ exited with 0 +++ [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(27 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4081] close(28 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4081] exit_group(0 [pid 3622] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4081] <... exit_group resumed>) = ? [pid 3619] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4081] +++ exited with 0 +++ [pid 3622] <... openat resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] fstat(3, [pid 3619] fstat(3, [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] getdents64(3, [pid 3623] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... openat resumed>) = 3 [pid 3622] lstat("./62/binderfs", [pid 3619] lstat("./58/binderfs", [pid 3623] fstat(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] unlink("./62/binderfs" [pid 3619] unlink("./58/binderfs" [pid 3623] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./62/cgroup", [pid 3619] lstat("./58/cgroup", [pid 3623] lstat("./61/binderfs", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./62/cgroup" [pid 3619] unlink("./58/cgroup") = 0 [pid 3619] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./58/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./61/binderfs" [pid 3622] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./58/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./62/cgroup.net", [pid 3619] lstat("./58/cpuset.effective_cpus", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./61/cgroup", [pid 3622] unlink("./62/cgroup.net" [pid 3619] unlink("./58/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./61/cgroup" [pid 3622] umount2("./62/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./62/cpuset.effective_cpus", [pid 3619] lstat("./58/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./61/cgroup.net", [pid 3622] unlink("./62/cpuset.effective_cpus" [pid 3619] unlink("./58/cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] unlink("./61/cgroup.net" [pid 3622] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... close resumed>) = 0 [pid 3623] umount2("./61/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./62/cgroup.cpu", [pid 3619] rmdir("./58") = 0 [pid 3619] mkdir("./59", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4090 attached [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4090] chdir("./59" [pid 3623] lstat("./61/cpuset.effective_cpus", [pid 3622] unlink("./62/cgroup.cpu" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 61 [pid 4090] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./61/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 4090] <... prctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 4090] setpgid(0, 0) = 0 [pid 3623] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4090] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] close(3 [pid 4090] <... symlink resumed>) = 0 [pid 3623] lstat("./61/cgroup.cpu", [pid 3622] <... close resumed>) = 0 [pid 4090] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] rmdir("./62" [pid 4090] <... symlink resumed>) = 0 [pid 3623] unlink("./61/cgroup.cpu" [pid 3622] <... rmdir resumed>) = 0 [pid 4090] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3622] mkdir("./63", 0777 [pid 4090] <... symlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] <... mkdir resumed>) = 0 [pid 4090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4092 attached [pid 4090] <... openat resumed>) = 3 [pid 3623] close(3 [pid 4090] write(3, "1000", 4 [pid 3623] <... close resumed>) = 0 [pid 4090] <... write resumed>) = 4 [pid 3623] rmdir("./61" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 65 [pid 4090] close(3 [pid 3623] <... rmdir resumed>) = 0 [pid 4092] chdir("./63" [pid 4090] <... close resumed>) = 0 [pid 3623] mkdir("./62", 0777 [pid 4092] <... chdir resumed>) = 0 [pid 4090] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... mkdir resumed>) = 0 [pid 4090] <... symlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4093 attached [pid 4092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4090] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 64 [pid 4092] <... prctl resumed>) = 0 [pid 4090] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4093] chdir("./62" [pid 4092] setpgid(0, 0 [pid 4090] <... sendmsg resumed>) = 56 [pid 4093] <... chdir resumed>) = 0 [pid 4092] <... setpgid resumed>) = 0 [pid 4093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4090] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4093] <... prctl resumed>) = 0 [pid 4092] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4090] <... openat resumed>) = 4 [pid 4093] setpgid(0, 0 [pid 4090] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4093] <... setpgid resumed>) = 0 [pid 4092] <... symlink resumed>) = 0 [pid 4093] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4092] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4093] <... symlink resumed>) = 0 [pid 4092] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4093] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4093] <... symlink resumed>) = 0 [pid 4092] <... openat resumed>) = 3 [pid 4093] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4092] write(3, "1000", 4 [pid 4093] <... symlink resumed>) = 0 [pid 4092] <... write resumed>) = 4 [pid 4092] close(3 [pid 4093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4092] <... close resumed>) = 0 [pid 4092] symlink("/dev/binderfs", "./binderfs" [pid 4093] write(3, "1000", 4 [pid 4092] <... symlink resumed>) = 0 [pid 4093] <... write resumed>) = 4 [pid 4093] close(3 [pid 4092] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4093] <... close resumed>) = 0 [pid 4092] <... socket resumed>) = 3 [pid 4093] symlink("/dev/binderfs", "./binderfs" [pid 4092] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4093] <... symlink resumed>) = 0 [pid 4092] <... sendmsg resumed>) = 56 [pid 4093] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [ 81.302800][ T4090] siw: device registration error -23 [pid 4092] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4093] <... socket resumed>) = 3 [pid 4092] <... openat resumed>) = 4 [pid 4093] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4092] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4093] <... sendmsg resumed>) = 56 [pid 4093] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4092] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4093] <... openat resumed>) = 4 [pid 4093] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4093] close(3) = 0 [pid 4093] close(4) = 0 [pid 4093] close(5) = -1 EBADF (Bad file descriptor) [pid 4093] close(6) = -1 EBADF (Bad file descriptor) [pid 4093] close(7) = -1 EBADF (Bad file descriptor) [pid 4093] close(8) = -1 EBADF (Bad file descriptor) [pid 4093] close(9) = -1 EBADF (Bad file descriptor) [pid 4093] close(10 [pid 4092] close(3 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = 0 [pid 4093] close(11 [pid 4092] close(4 [pid 4090] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4090] close(3) = 0 [pid 4090] close(4) = 0 [pid 4090] close(5) = -1 EBADF (Bad file descriptor) [pid 4090] close(6) = -1 EBADF (Bad file descriptor) [pid 4090] close(7) = -1 EBADF (Bad file descriptor) [pid 4090] close(8) = -1 EBADF (Bad file descriptor) [pid 4090] close(9) = -1 EBADF (Bad file descriptor) [pid 4090] close(10) = -1 EBADF (Bad file descriptor) [pid 4090] close(11) = -1 EBADF (Bad file descriptor) [pid 4090] close(12) = -1 EBADF (Bad file descriptor) [pid 4090] close(13) = -1 EBADF (Bad file descriptor) [pid 4090] close(14) = -1 EBADF (Bad file descriptor) [pid 4090] close(15) = -1 EBADF (Bad file descriptor) [pid 4090] close(16) = -1 EBADF (Bad file descriptor) [pid 4090] close(17) = -1 EBADF (Bad file descriptor) [pid 4090] close(18) = -1 EBADF (Bad file descriptor) [pid 4090] close(19) = -1 EBADF (Bad file descriptor) [pid 4090] close(20) = -1 EBADF (Bad file descriptor) [pid 4090] close(21) = -1 EBADF (Bad file descriptor) [pid 4090] close(22) = -1 EBADF (Bad file descriptor) [pid 4090] close(23) = -1 EBADF (Bad file descriptor) [pid 4090] close(24) = -1 EBADF (Bad file descriptor) [pid 4090] close(25) = -1 EBADF (Bad file descriptor) [pid 4090] close(26) = -1 EBADF (Bad file descriptor) [pid 4090] close(27) = -1 EBADF (Bad file descriptor) [pid 4093] close(12 [pid 4092] <... close resumed>) = 0 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(13 [pid 4092] close(5 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(14 [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4090] close(28 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(15 [pid 4090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] close(6 [pid 4093] close(16) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(17 [pid 4092] close(7 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(18) = -1 EBADF (Bad file descriptor) [pid 4092] close(8 [pid 4093] close(19) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(20) = -1 EBADF (Bad file descriptor) [pid 4090] close(29 [pid 4093] close(21 [pid 4092] close(9 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(22) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(23) = -1 EBADF (Bad file descriptor) [pid 4093] close(24 [pid 4092] close(10 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(25 [pid 4090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4090] exit_group(0 [pid 4093] close(26 [pid 4092] close(11 [pid 4090] <... exit_group resumed>) = ? [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4090] +++ exited with 0 +++ [pid 4093] close(27 [pid 4092] close(12 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(28 [pid 4092] close(13 [pid 4093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4093] close(29) = -1 EBADF (Bad file descriptor) [pid 4092] close(14 [pid 4093] exit_group(0 [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4093] <... exit_group resumed>) = ? [pid 4092] close(15 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4093] +++ exited with 0 +++ [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4092] close(16 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4092] close(17 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] fstat(3, [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4092] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4092] close(19 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4092] close(20 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] close(21 [pid 3623] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./59/binderfs", [pid 3623] <... openat resumed>) = 3 [pid 4092] close(22 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3619] unlink("./59/binderfs" [pid 4092] close(23) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4092] close(24 [ 81.353562][ T4093] siw: device registration error -23 [pid 3623] getdents64(3, [pid 3619] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] close(25 [pid 3623] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./59/cgroup", [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4092] close(26 [pid 3623] lstat("./62/binderfs", [pid 3619] unlink("./59/cgroup" [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4092] close(27 [pid 3623] unlink("./62/binderfs" [pid 3619] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] close(28 [pid 3623] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./59/cgroup.net", [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4092] close(29 [pid 3623] lstat("./62/cgroup", [pid 3619] unlink("./59/cgroup.net" [pid 4092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4092] exit_group(0 [pid 3623] unlink("./62/cgroup" [pid 3619] umount2("./59/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4092] <... exit_group resumed>) = ? [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] +++ exited with 0 +++ [pid 3623] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./59/cpuset.effective_cpus", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./62/cgroup.net", [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] unlink("./59/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./62/cgroup.net" [pid 3622] <... restart_syscall resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./62/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./59/cgroup.cpu", [pid 3623] lstat("./62/cpuset.effective_cpus", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] unlink("./59/cgroup.cpu" [pid 3623] unlink("./62/cpuset.effective_cpus" [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] fstat(3, [pid 3619] getdents64(3, [pid 3623] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] close(3 [pid 3623] lstat("./62/cgroup.cpu", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] rmdir("./59" [pid 3623] unlink("./62/cgroup.cpu" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./63/binderfs", [pid 3619] mkdir("./60", 0777 [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] unlink("./63/binderfs" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4096 attached [pid 3623] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./62" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 62 [pid 4096] chdir("./60" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] lstat("./63/cgroup", [pid 3623] mkdir("./63", 0777 [pid 4096] <... chdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] unlink("./63/cgroup" [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4097 attached [pid 4096] <... prctl resumed>) = 0 [pid 3622] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 65 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4096] setpgid(0, 0 [pid 3622] lstat("./63/cgroup.net", [pid 4097] chdir("./63" [pid 4096] <... setpgid resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./63/cgroup.net" [pid 4096] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./63/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./63/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./63/cpuset.effective_cpus" [pid 4097] <... chdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4096] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4097] <... prctl resumed>) = 0 [pid 4096] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4097] setpgid(0, 0 [pid 3622] unlink("./63/cgroup.cpu" [pid 4097] <... setpgid resumed>) = 0 [pid 4096] <... symlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4097] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4096] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] getdents64(3, [pid 4097] <... symlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4096] <... symlink resumed>) = 0 [pid 4097] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] close(3) = 0 [pid 3622] rmdir("./63" [pid 4097] <... symlink resumed>) = 0 [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... rmdir resumed>) = 0 [pid 4097] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4096] <... openat resumed>) = 3 [pid 3622] mkdir("./64", 0777 [pid 4097] <... symlink resumed>) = 0 [pid 4096] write(3, "1000", 4 [pid 4097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4096] <... write resumed>) = 4 [pid 4097] <... openat resumed>) = 3 [pid 4096] close(3 [pid 3622] <... mkdir resumed>) = 0 [pid 4097] write(3, "1000", 4 [pid 4096] <... close resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4097] <... write resumed>) = 4 [pid 4096] symlink("/dev/binderfs", "./binderfs" [pid 4097] close(3 [pid 4096] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 4098 attached [pid 4097] <... close resumed>) = 0 [pid 4096] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4098] chdir("./64" [pid 4097] symlink("/dev/binderfs", "./binderfs" [pid 4096] <... socket resumed>) = 3 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 66 [pid 4098] <... chdir resumed>) = 0 [pid 4097] <... symlink resumed>) = 0 [pid 4096] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4097] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4096] <... sendmsg resumed>) = 56 [pid 4098] <... prctl resumed>) = 0 [pid 4097] <... socket resumed>) = 3 [pid 4096] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4098] setpgid(0, 0 [pid 4097] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4096] <... openat resumed>) = 4 [pid 4098] <... setpgid resumed>) = 0 [pid 4097] <... sendmsg resumed>) = 56 [pid 4096] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4098] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4097] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4098] <... symlink resumed>) = 0 [pid 4097] <... openat resumed>) = 4 [pid 4098] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4097] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4098] <... symlink resumed>) = 0 [pid 4098] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4098] write(3, "1000", 4) = 4 [pid 4098] close(3) = 0 [pid 4098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4098] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4098] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4098] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4098] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4097] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4096] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4096] close(3 [pid 4097] close(3 [pid 4096] <... close resumed>) = 0 [ 81.502814][ T4096] siw: device registration error -23 [ 81.506660][ T4097] siw: device registration error -23 [pid 4096] close(4 [pid 4097] <... close resumed>) = 0 [pid 4096] <... close resumed>) = 0 [pid 4096] close(5 [pid 4097] close(4 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(6 [pid 4097] <... close resumed>) = 0 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(5 [pid 4096] close(7) = -1 EBADF (Bad file descriptor) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(8) = -1 EBADF (Bad file descriptor) [pid 4097] close(6 [pid 4096] close(9 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(7 [pid 4096] close(10 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(8 [pid 4096] close(11 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(9 [pid 4096] close(12 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(10 [pid 4096] close(13 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(11 [pid 4096] close(14 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(12 [pid 4096] close(15 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(13) = -1 EBADF (Bad file descriptor) [pid 4096] close(16 [pid 4097] close(14 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(17 [pid 4097] close(15 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(18 [pid 4097] close(16 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(19 [pid 4097] close(17 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(20 [pid 4097] close(18 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(21 [pid 4097] close(19 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(3 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(22 [pid 4098] <... close resumed>) = 0 [pid 4097] close(20 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(4 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(23 [pid 4098] <... close resumed>) = 0 [pid 4097] close(21 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(5 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(24 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(22 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(6 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(25 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(23 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(7 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(26 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(24 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(8 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(27 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(25 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(9 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(28 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(26 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(10 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] close(29 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(27 [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] close(11 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] exit_group(0 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(28 [pid 4096] <... exit_group resumed>) = ? [pid 4098] close(12 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] +++ exited with 0 +++ [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(29 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4098] close(13 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] exit_group(0 [pid 4098] close(14 [pid 4097] <... exit_group resumed>) = ? [pid 3619] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] +++ exited with 0 +++ [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] close(15 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4098] close(16 [pid 3619] fstat(3, [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4098] close(17 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4098] close(18 [pid 3623] <... openat resumed>) = 3 [pid 3619] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] close(19 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./60/binderfs", [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4098] close(20 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] unlink("./60/binderfs" [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4098] close(21 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./63/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] close(22 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./60/cgroup", [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./63/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4098] close(23 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./60/cgroup" [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4098] close(24 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./63/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] close(25 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./60/cgroup.net", [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./63/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4098] close(26 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./60/cgroup.net" [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4098] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./60/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./63/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] close(28 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./60/cpuset.effective_cpus", [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./63/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4098] close(29 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./60/cpuset.effective_cpus" [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./63/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4098] exit_group(0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4098] <... exit_group resumed>) = ? [pid 3623] lstat("./63/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] +++ exited with 0 +++ [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./60/cgroup.cpu", [pid 3623] unlink("./63/cpuset.effective_cpus" [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./60/cgroup.cpu" [pid 3623] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] lstat("./63/cgroup.cpu", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] close(3 [pid 3623] unlink("./63/cgroup.cpu" [pid 3619] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] rmdir("./60" [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] mkdir("./61", 0777 [pid 3623] close(3 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] fstat(3, [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4104 attached [pid 3623] rmdir("./63" [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4104] chdir("./61" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 63 [pid 4104] <... chdir resumed>) = 0 [pid 3623] mkdir("./64", 0777 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... mkdir resumed>) = 0 [pid 3622] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4104] <... prctl resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4105 attached [pid 4104] setpgid(0, 0 [pid 3622] lstat("./64/binderfs", [pid 4105] chdir("./64" [pid 4104] <... setpgid resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 66 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./64/binderfs" [pid 4105] <... chdir resumed>) = 0 [pid 4104] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4104] <... symlink resumed>) = 0 [pid 3622] lstat("./64/cgroup", [pid 4105] <... prctl resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4104] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] unlink("./64/cgroup" [pid 4105] setpgid(0, 0 [pid 3622] <... unlink resumed>) = 0 [pid 4105] <... setpgid resumed>) = 0 [pid 4104] <... symlink resumed>) = 0 [pid 3622] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4104] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] lstat("./64/cgroup.net", [pid 4105] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4105] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4104] <... symlink resumed>) = 0 [pid 3622] unlink("./64/cgroup.net" [pid 4105] <... symlink resumed>) = 0 [pid 4104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... unlink resumed>) = 0 [pid 4105] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] umount2("./64/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4104] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4105] <... symlink resumed>) = 0 [pid 3622] lstat("./64/cpuset.effective_cpus", [pid 4105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4104] write(3, "1000", 4 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4105] <... openat resumed>) = 3 [pid 4104] <... write resumed>) = 4 [pid 3622] unlink("./64/cpuset.effective_cpus" [pid 4105] write(3, "1000", 4 [pid 4104] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 4105] <... write resumed>) = 4 [pid 4104] <... close resumed>) = 0 [pid 3622] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] close(3 [pid 4104] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4105] <... close resumed>) = 0 [pid 4104] <... symlink resumed>) = 0 [pid 3622] lstat("./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4105] symlink("/dev/binderfs", "./binderfs" [pid 4104] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] unlink("./64/cgroup.cpu" [pid 4105] <... symlink resumed>) = 0 [pid 4104] <... socket resumed>) = 3 [pid 3622] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 4105] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4104] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4105] <... socket resumed>) = 3 [pid 4104] <... sendmsg resumed>) = 56 [pid 4105] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4104] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4105] <... sendmsg resumed>) = 56 [pid 4104] <... openat resumed>) = 4 [pid 4105] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4104] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4105] <... openat resumed>) = 4 [pid 4105] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./64") = 0 [pid 3622] mkdir("./65", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4106 attached [pid 4106] chdir("./65" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 67 [pid 4106] <... chdir resumed>) = 0 [pid 4106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4106] setpgid(0, 0) = 0 [pid 4106] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4106] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4106] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4106] write(3, "1000", 4) = 4 [pid 4106] close(3) = 0 [pid 4106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4106] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4106] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4106] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 81.718458][ T4104] siw: device registration error -23 [ 81.720667][ T4105] siw: device registration error -23 [pid 4106] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4105] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4104] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4105] close(3 [pid 4104] close(3 [pid 4105] <... close resumed>) = 0 [pid 4104] <... close resumed>) = 0 [pid 4105] close(4 [pid 4104] close(4 [pid 4105] <... close resumed>) = 0 [pid 4104] <... close resumed>) = 0 [pid 4105] close(5 [pid 4104] close(5 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] close(6 [pid 4104] close(6 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] close(7 [pid 4104] close(7 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] close(8 [pid 4104] close(8 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(3 [pid 4105] close(9 [pid 4104] close(9 [pid 4106] <... close resumed>) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(4 [pid 4105] close(10 [pid 4104] close(10 [pid 4106] <... close resumed>) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(5 [pid 4105] close(11 [pid 4104] close(11 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(6 [pid 4105] close(12 [pid 4104] close(12 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(7 [pid 4105] close(13 [pid 4104] close(13 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(8 [pid 4105] close(14 [pid 4104] close(14 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(9 [pid 4105] close(15 [pid 4104] close(15 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(10 [pid 4105] close(16 [pid 4104] close(16 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(11 [pid 4105] close(17 [pid 4104] close(17 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(12 [pid 4105] close(18 [pid 4104] close(18 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(13 [pid 4105] close(19 [pid 4104] close(19 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(14 [pid 4105] close(20 [pid 4104] close(20 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(15 [pid 4105] close(21 [pid 4104] close(21 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(16 [pid 4105] close(22 [pid 4104] close(22 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(17 [pid 4105] close(23 [pid 4104] close(23 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(18 [pid 4105] close(24 [pid 4104] close(24 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(19 [pid 4105] close(25 [pid 4104] close(25 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(20 [pid 4105] close(26 [pid 4104] close(26 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(21 [pid 4105] close(27 [pid 4104] close(27 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(22 [pid 4105] close(28 [pid 4104] close(28 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(23 [pid 4105] close(29 [pid 4104] close(29 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(24 [pid 4105] exit_group(0 [pid 4104] exit_group(0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... exit_group resumed>) = ? [pid 4104] <... exit_group resumed>) = ? [pid 4106] close(25 [pid 4105] +++ exited with 0 +++ [pid 4104] +++ exited with 0 +++ [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4106] close(26) = -1 EBADF (Bad file descriptor) [pid 4106] close(27 [pid 3623] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4106] close(28 [pid 3623] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 4106] close(29 [pid 3623] fstat(3, [pid 3619] fstat(3, [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4106] exit_group(0 [pid 3623] getdents64(3, [pid 3619] getdents64(3, [pid 4106] <... exit_group resumed>) = ? [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4106] +++ exited with 0 +++ [pid 3623] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./64/binderfs", [pid 3619] lstat("./61/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./64/binderfs" [pid 3619] unlink("./61/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./64/cgroup", [pid 3619] lstat("./61/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./64/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./61/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 3619] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./64/cgroup.net", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./61/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./64/cgroup.net" [pid 3619] unlink("./61/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./64/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./61/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./64/cpuset.effective_cpus", [pid 3622] lstat("./65/binderfs", [pid 3619] lstat("./61/cpuset.effective_cpus", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./64/cpuset.effective_cpus" [pid 3622] unlink("./65/binderfs" [pid 3619] unlink("./61/cpuset.effective_cpus" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./64/cgroup.cpu", [pid 3619] lstat("./61/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./64/cgroup.cpu" [pid 3619] unlink("./61/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./65/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3 [pid 3619] close(3 [pid 3623] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] rmdir("./64" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] rmdir("./61" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] unlink("./65/cgroup" [pid 3619] <... rmdir resumed>) = 0 [pid 3623] mkdir("./65", 0777 [pid 3619] mkdir("./62", 0777 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4109 attached ./strace-static-x86_64: Process 4110 attached [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 67 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 64 [pid 4109] chdir("./65" [pid 3622] lstat("./65/cgroup.net", [pid 4110] chdir("./62" [pid 4109] <... chdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4110] <... chdir resumed>) = 0 [pid 4109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] unlink("./65/cgroup.net" [pid 4110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4109] <... prctl resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4110] <... prctl resumed>) = 0 [pid 4109] setpgid(0, 0 [pid 3622] umount2("./65/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4110] setpgid(0, 0 [pid 4109] <... setpgid resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4110] <... setpgid resumed>) = 0 [pid 4109] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] lstat("./65/cpuset.effective_cpus", [pid 4110] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4109] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4110] <... symlink resumed>) = 0 [pid 4109] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] unlink("./65/cpuset.effective_cpus" [pid 4110] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4109] <... symlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4110] <... symlink resumed>) = 0 [pid 4109] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4110] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4109] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4110] <... symlink resumed>) = 0 [pid 4109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] lstat("./65/cgroup.cpu", [pid 4110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4109] <... openat resumed>) = 3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4110] <... openat resumed>) = 3 [pid 4109] write(3, "1000", 4 [pid 3622] unlink("./65/cgroup.cpu" [pid 4110] write(3, "1000", 4 [pid 4109] <... write resumed>) = 4 [pid 3622] <... unlink resumed>) = 0 [pid 4110] <... write resumed>) = 4 [pid 4109] close(3 [pid 3622] getdents64(3, [pid 4110] close(3 [pid 4109] <... close resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4110] <... close resumed>) = 0 [pid 4109] symlink("/dev/binderfs", "./binderfs" [pid 3622] close(3 [pid 4110] symlink("/dev/binderfs", "./binderfs" [pid 4109] <... symlink resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 4110] <... symlink resumed>) = 0 [pid 4109] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] rmdir("./65" [pid 4110] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4109] <... socket resumed>) = 3 [pid 3622] <... rmdir resumed>) = 0 [pid 4110] <... socket resumed>) = 3 [pid 4109] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] mkdir("./66", 0777 [pid 4110] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4109] <... sendmsg resumed>) = 56 [pid 3622] <... mkdir resumed>) = 0 [pid 4110] <... sendmsg resumed>) = 56 [pid 4109] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4110] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4109] <... openat resumed>) = 4 ./strace-static-x86_64: Process 4111 attached [pid 4111] chdir("./66") = 0 [pid 4111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4111] setpgid(0, 0) = 0 [pid 4111] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4111] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4111] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4110] <... openat resumed>) = 4 [pid 4109] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 68 [pid 4111] <... openat resumed>) = 3 [pid 4110] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4111] write(3, "1000", 4) = 4 [pid 4111] close(3) = 0 [pid 4111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4111] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4111] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4111] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4111] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4109] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4111] close(3) = 0 [pid 4111] close(4) = 0 [pid 4111] close(5) = -1 EBADF (Bad file descriptor) [pid 4111] close(6) = -1 EBADF (Bad file descriptor) [pid 4110] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4109] close(3 [pid 4111] close(7 [pid 4110] close(3 [pid 4109] <... close resumed>) = 0 [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] <... close resumed>) = 0 [pid 4109] close(4 [pid 4111] close(8 [pid 4110] close(4 [pid 4109] <... close resumed>) = 0 [ 81.954377][ T4109] siw: device registration error -23 [ 81.955741][ T4110] siw: device registration error -23 [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] <... close resumed>) = 0 [pid 4109] close(5 [pid 4111] close(9 [pid 4110] close(5 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(6 [pid 4111] close(10 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(6 [pid 4109] close(7 [pid 4111] close(11 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(7 [pid 4109] close(8 [pid 4111] close(12 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(8 [pid 4109] close(9 [pid 4111] close(13 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(9 [pid 4109] close(10 [pid 4111] close(14 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(10 [pid 4109] close(11 [pid 4111] close(15 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(11 [pid 4109] close(12 [pid 4111] close(16 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(12 [pid 4109] close(13 [pid 4111] close(17 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(13 [pid 4109] close(14 [pid 4111] close(18 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(14 [pid 4109] close(15 [pid 4111] close(19 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(15 [pid 4109] close(16 [pid 4111] close(20 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(16 [pid 4109] close(17 [pid 4111] close(21 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(17 [pid 4109] close(18 [pid 4111] close(22 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(18 [pid 4109] close(19 [pid 4111] close(23 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(19 [pid 4109] close(20 [pid 4111] close(24 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(20 [pid 4109] close(21 [pid 4111] close(25 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(21 [pid 4109] close(22 [pid 4111] close(26 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(22 [pid 4109] close(23 [pid 4111] close(27 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(23 [pid 4109] close(24 [pid 4111] close(28 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(24 [pid 4109] close(25 [pid 4111] close(29 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(25 [pid 4109] close(26 [pid 4111] exit_group(0 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... exit_group resumed>) = ? [pid 4110] close(26 [pid 4109] close(27 [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(27 [pid 4111] +++ exited with 0 +++ [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] close(28 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(28 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4110] close(29 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(29 [pid 3622] <... restart_syscall resumed>) = 0 [pid 4110] exit_group(0 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] <... exit_group resumed>) = ? [pid 4109] exit_group(0 [pid 4110] +++ exited with 0 +++ [pid 4109] <... exit_group resumed>) = ? [pid 3622] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4109] +++ exited with 0 +++ [pid 3622] <... openat resumed>) = 3 [pid 3619] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] getdents64(3, [pid 3619] <... openat resumed>) = 3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] fstat(3, [pid 3623] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] lstat("./66/binderfs", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] unlink("./66/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./62/binderfs", [pid 3623] getdents64(3, [pid 3622] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./62/binderfs" [pid 3623] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./66/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./65/binderfs", [pid 3622] unlink("./66/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./62/cgroup", [pid 3623] unlink("./65/binderfs" [pid 3622] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./62/cgroup" [pid 3623] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./66/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./65/cgroup", [pid 3622] unlink("./66/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./62/cgroup.net", [pid 3623] unlink("./65/cgroup" [pid 3622] umount2("./66/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./62/cgroup.net" [pid 3623] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./66/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./62/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./65/cgroup.net", [pid 3622] unlink("./66/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./62/cpuset.effective_cpus", [pid 3623] unlink("./65/cgroup.net" [pid 3622] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./62/cpuset.effective_cpus" [pid 3623] umount2("./65/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./66/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./65/cpuset.effective_cpus", [pid 3622] unlink("./66/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./62/cgroup.cpu", [pid 3623] unlink("./65/cpuset.effective_cpus" [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./62/cgroup.cpu" [pid 3622] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] rmdir("./66" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3619] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./67", 0777 [pid 3619] <... close resumed>) = 0 [pid 3623] lstat("./65/cgroup.cpu", [pid 3622] <... mkdir resumed>) = 0 [pid 3619] rmdir("./62" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4115 attached [pid 3623] unlink("./65/cgroup.cpu" [pid 3619] mkdir("./63", 0777 [pid 4115] chdir("./67" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 69 [pid 3619] <... mkdir resumed>) = 0 [pid 4115] <... chdir resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 65 ./strace-static-x86_64: Process 4116 attached [pid 4116] chdir("./63" [pid 4115] <... prctl resumed>) = 0 [pid 3623] close(3 [pid 4116] <... chdir resumed>) = 0 [pid 4115] setpgid(0, 0 [pid 3623] <... close resumed>) = 0 [pid 4116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4115] <... setpgid resumed>) = 0 [pid 3623] rmdir("./65" [pid 4116] <... prctl resumed>) = 0 [pid 4115] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4116] setpgid(0, 0 [pid 3623] <... rmdir resumed>) = 0 [pid 4116] <... setpgid resumed>) = 0 [pid 4115] <... symlink resumed>) = 0 [pid 3623] mkdir("./66", 0777 [pid 4116] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4115] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4116] <... symlink resumed>) = 0 [pid 4115] <... symlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 4116] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4115] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4116] <... symlink resumed>) = 0 [pid 4115] <... symlink resumed>) = 0 [pid 4116] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 ./strace-static-x86_64: Process 4118 attached [pid 4116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4118] chdir("./66" [pid 4116] <... openat resumed>) = 3 [pid 4118] <... chdir resumed>) = 0 [pid 4116] write(3, "1000", 4 [pid 4115] <... openat resumed>) = 3 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 68 [pid 4118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4116] <... write resumed>) = 4 [pid 4115] write(3, "1000", 4 [pid 4118] <... prctl resumed>) = 0 [pid 4116] close(3 [pid 4115] <... write resumed>) = 4 [pid 4118] setpgid(0, 0 [pid 4116] <... close resumed>) = 0 [pid 4115] close(3 [pid 4118] <... setpgid resumed>) = 0 [pid 4116] symlink("/dev/binderfs", "./binderfs" [pid 4115] <... close resumed>) = 0 [pid 4118] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4116] <... symlink resumed>) = 0 [pid 4115] symlink("/dev/binderfs", "./binderfs" [pid 4118] <... symlink resumed>) = 0 [pid 4116] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4115] <... symlink resumed>) = 0 [pid 4118] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4116] <... socket resumed>) = 3 [pid 4115] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4118] <... symlink resumed>) = 0 [pid 4116] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4115] <... socket resumed>) = 3 [pid 4118] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4116] <... sendmsg resumed>) = 56 [pid 4115] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4118] <... symlink resumed>) = 0 [pid 4116] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4115] <... sendmsg resumed>) = 56 [pid 4118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4116] <... openat resumed>) = 4 [pid 4115] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4118] <... openat resumed>) = 3 [pid 4116] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4118] write(3, "1000", 4 [pid 4115] <... openat resumed>) = 4 [pid 4118] <... write resumed>) = 4 [pid 4115] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4118] close(3) = 0 [pid 4118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4118] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4118] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [ 82.187284][ T4116] siw: device registration error -23 [pid 4118] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4118] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4118] close(3) = 0 [pid 4118] close(4) = 0 [pid 4118] close(5) = -1 EBADF (Bad file descriptor) [pid 4118] close(6) = -1 EBADF (Bad file descriptor) [pid 4118] close(7) = -1 EBADF (Bad file descriptor) [pid 4118] close(8 [pid 4115] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(3 [pid 4118] close(9) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = 0 [pid 4118] close(10) = -1 EBADF (Bad file descriptor) [pid 4115] close(4 [pid 4118] close(11 [pid 4115] <... close resumed>) = 0 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(5 [pid 4118] close(12 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(13 [pid 4115] close(6 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(14 [pid 4115] close(7 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(15 [pid 4115] close(8 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(16 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(9 [pid 4118] close(17 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(10 [pid 4118] close(18 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(11 [pid 4118] close(19 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 82.221977][ T4118] siw: device registration error -23 [pid 4115] close(12 [pid 4118] close(20) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(21 [pid 4116] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4115] close(13 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(22 [pid 4116] close(3 [pid 4115] close(14 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(23 [pid 4116] <... close resumed>) = 0 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(15 [pid 4118] close(24 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(16 [pid 4118] close(25 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(17 [pid 4118] close(26 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(18 [pid 4118] close(27 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(28 [pid 4116] close(4 [pid 4115] close(19 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] <... close resumed>) = 0 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] close(29 [pid 4116] close(5 [pid 4115] close(20 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4118] exit_group(0 [pid 4116] close(6 [pid 4115] close(21 [pid 4118] <... exit_group resumed>) = ? [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] close(7) = -1 EBADF (Bad file descriptor) [pid 4116] close(8 [pid 4118] +++ exited with 0 +++ [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(22 [pid 4116] close(9 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(23 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4116] close(10 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(24 [pid 3623] <... restart_syscall resumed>) = 0 [pid 4116] close(11 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(25 [pid 4116] close(12 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(26 [pid 3623] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4116] close(13 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(27 [pid 4116] close(14 [pid 3623] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 4116] close(15 [pid 4115] close(28 [pid 3623] fstat(3, [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4116] close(16) = -1 EBADF (Bad file descriptor) [pid 4115] close(29 [pid 3623] getdents64(3, [pid 4116] close(17 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] exit_group(0 [pid 3623] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4116] close(18 [pid 4115] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] close(19) = -1 EBADF (Bad file descriptor) [pid 4116] close(20) = -1 EBADF (Bad file descriptor) [pid 4115] +++ exited with 0 +++ [pid 4116] close(21 [pid 3623] lstat("./66/binderfs", [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4116] close(22 [pid 3623] unlink("./66/binderfs" [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] close(23 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... restart_syscall resumed>) = 0 [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4116] close(24) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4116] close(25 [pid 3623] lstat("./66/cgroup", [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4116] close(26 [pid 3623] unlink("./66/cgroup" [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4116] close(27 [pid 3623] <... unlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 4116] close(28 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./66/cgroup.net", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4116] close(29) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] getdents64(3, [pid 4116] exit_group(0 [pid 3623] unlink("./66/cgroup.net" [pid 4116] <... exit_group resumed>) = ? [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4116] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./66/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./67/binderfs", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] lstat("./66/cpuset.effective_cpus", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./67/binderfs" [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] unlink("./66/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./67/cgroup", [pid 3619] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] lstat("./66/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./67/cgroup" [pid 3619] fstat(3, [pid 3623] unlink("./66/cgroup.cpu" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] getdents64(3, [pid 3622] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] close(3 [pid 3622] lstat("./67/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... close resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./63/binderfs", [pid 3623] rmdir("./66" [pid 3622] unlink("./67/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./63/binderfs" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] mkdir("./67", 0777 [pid 3622] umount2("./67/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./63/cgroup", [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] lstat("./67/cpuset.effective_cpus", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./63/cgroup") = 0 ./strace-static-x86_64: Process 4125 attached [pid 3619] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4125] chdir("./67" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 69 [pid 3622] unlink("./67/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4125] <... chdir resumed>) = 0 [pid 3619] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./63/cgroup.net") = 0 [pid 3619] umount2("./63/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4125] <... prctl resumed>) = 0 [pid 3622] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./63/cpuset.effective_cpus", [pid 4125] setpgid(0, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4125] <... setpgid resumed>) = 0 [pid 3622] lstat("./67/cgroup.cpu", [pid 3619] unlink("./63/cpuset.effective_cpus" [pid 4125] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4125] <... symlink resumed>) = 0 [pid 3622] unlink("./67/cgroup.cpu" [pid 3619] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4125] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4125] <... symlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] lstat("./63/cgroup.cpu", [pid 4125] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4125] <... symlink resumed>) = 0 [pid 3622] close(3 [pid 3619] unlink("./63/cgroup.cpu" [pid 4125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4125] <... openat resumed>) = 3 [pid 3622] rmdir("./67" [pid 3619] getdents64(3, [pid 4125] write(3, "1000", 4 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4125] <... write resumed>) = 4 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] close(3 [pid 4125] close(3 [pid 3622] mkdir("./68", 0777 [pid 3619] <... close resumed>) = 0 [pid 4125] <... close resumed>) = 0 [pid 3619] rmdir("./63" [pid 4125] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4125] <... symlink resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] mkdir("./64", 0777 [pid 4125] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4126 attached [pid 4125] <... socket resumed>) = 3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4127 attached [pid 4126] chdir("./68" [pid 4125] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 70 [pid 4127] chdir("./64" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 66 [pid 4127] <... chdir resumed>) = 0 [pid 4126] <... chdir resumed>) = 0 [pid 4125] <... sendmsg resumed>) = 56 [pid 4127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4125] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4127] <... prctl resumed>) = 0 [pid 4127] setpgid(0, 0) = 0 [pid 4127] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4127] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4126] <... prctl resumed>) = 0 [pid 4125] <... openat resumed>) = 4 [pid 4127] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4126] setpgid(0, 0 [pid 4125] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4126] <... setpgid resumed>) = 0 [pid 4127] <... openat resumed>) = 3 [pid 4127] write(3, "1000", 4) = 4 [pid 4127] close(3) = 0 [pid 4127] symlink("/dev/binderfs", "./binderfs" [pid 4126] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4127] <... symlink resumed>) = 0 [pid 4126] <... symlink resumed>) = 0 [pid 4127] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4126] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4127] <... socket resumed>) = 3 [pid 4126] <... symlink resumed>) = 0 [pid 4127] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4126] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4127] <... sendmsg resumed>) = 56 [pid 4127] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4126] <... symlink resumed>) = 0 [pid 4127] <... openat resumed>) = 4 [pid 4127] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4126] write(3, "1000", 4) = 4 [pid 4126] close(3) = 0 [pid 4126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4126] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 82.411388][ T4125] siw: device registration error -23 [ 82.438449][ T4127] siw: device registration error -23 [pid 4126] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4126] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4126] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4126] close(3) = 0 [pid 4126] close(4) = 0 [pid 4125] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4126] close(5) = -1 EBADF (Bad file descriptor) [pid 4126] close(6) = -1 EBADF (Bad file descriptor) [pid 4126] close(7 [pid 4125] close(3 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] close(8 [pid 4125] <... close resumed>) = 0 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] close(9 [pid 4125] close(4 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] close(10 [pid 4125] <... close resumed>) = 0 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] close(11 [pid 4125] close(5 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] close(12 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4126] close(13 [pid 4125] close(6 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] close(14 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(7 [pid 4126] close(15 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(8 [pid 4126] close(16 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(9 [pid 4126] close(17 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(10 [pid 4126] close(18 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(11 [pid 4126] close(19 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(12 [pid 4126] close(20 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(13 [pid 4126] close(21 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(14 [pid 4126] close(22 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(15 [pid 4126] close(23 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(16 [pid 4126] close(24 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(17 [pid 4126] close(25 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(18 [pid 4126] close(26 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(19 [pid 4126] close(27 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(20 [pid 4126] close(28 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(21 [pid 4126] close(29) = -1 EBADF (Bad file descriptor) [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(3 [pid 4126] exit_group(0 [pid 4125] close(22 [pid 4127] <... close resumed>) = 0 [pid 4126] <... exit_group resumed>) = ? [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(4) = 0 [pid 4127] close(5) = -1 EBADF (Bad file descriptor) [pid 4127] close(6 [pid 4126] +++ exited with 0 +++ [pid 4125] close(23 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(7 [pid 4125] close(24 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(8 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(25 [pid 3622] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4127] close(9 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] close(10 [pid 4125] close(26 [pid 3622] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 4127] close(11 [pid 4125] close(27 [pid 3622] fstat(3, [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4127] close(12 [pid 4125] close(28 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 4127] close(13 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(29 [pid 3622] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4127] close(14 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] exit_group(0 [pid 3622] lstat("./68/binderfs", [pid 4127] close(15 [pid 4125] <... exit_group resumed>) = ? [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4127] close(16) = -1 EBADF (Bad file descriptor) [pid 4127] close(17 [pid 4125] +++ exited with 0 +++ [pid 3622] unlink("./68/binderfs" [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(18 [pid 3622] <... unlink resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4127] close(19 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./68/cgroup", [pid 4127] close(20 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./68/cgroup" [pid 4127] close(21 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4127] close(22 [pid 3623] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] close(23 [pid 3623] fstat(3, [pid 3622] lstat("./68/cgroup.net", [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4127] close(24 [pid 3623] getdents64(3, [pid 3622] unlink("./68/cgroup.net" [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(25 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... unlink resumed>) = 0 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./68/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4127] close(26 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./67/binderfs", [pid 3622] lstat("./68/cpuset.effective_cpus", [pid 4127] close(27 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./67/binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4127] close(28) = -1 EBADF (Bad file descriptor) [pid 4127] close(29 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./68/cpuset.effective_cpus" [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4127] exit_group(0 [pid 3622] <... unlink resumed>) = 0 [pid 4127] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4127] +++ exited with 0 +++ [pid 3623] lstat("./67/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./68/cgroup.cpu", [pid 3623] unlink("./67/cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./68/cgroup.cpu" [pid 3623] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./67/cgroup.net", [pid 3622] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] unlink("./67/cgroup.net" [pid 3622] close(3 [pid 3619] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./67/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... close resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] rmdir("./68" [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./67/cpuset.effective_cpus", [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./67/cpuset.effective_cpus" [pid 3622] mkdir("./69", 0777 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./64/binderfs", [pid 3623] lstat("./67/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./64/binderfs"./strace-static-x86_64: Process 4131 attached [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4131] chdir("./69" [pid 3623] unlink("./67/cgroup.cpu" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 71 [pid 3619] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4131] <... chdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] getdents64(3, [pid 3619] lstat("./64/cgroup", [pid 4131] <... prctl resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4131] setpgid(0, 0 [pid 3623] close(3 [pid 3619] unlink("./64/cgroup" [pid 4131] <... setpgid resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4131] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] rmdir("./67" [pid 3619] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4131] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... rmdir resumed>) = 0 [pid 3619] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4131] <... symlink resumed>) = 0 [pid 3623] mkdir("./68", 0777 [pid 3619] unlink("./64/cgroup.net" [pid 4131] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 4131] <... symlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] umount2("./64/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4132 attached [pid 4131] <... openat resumed>) = 3 [pid 3619] lstat("./64/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./64/cpuset.effective_cpus" [pid 4132] chdir("./68" [pid 4131] write(3, "1000", 4 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 70 [pid 3619] <... unlink resumed>) = 0 [pid 4132] <... chdir resumed>) = 0 [pid 4131] <... write resumed>) = 4 [pid 3619] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4131] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4132] <... prctl resumed>) = 0 [pid 4131] <... close resumed>) = 0 [pid 3619] lstat("./64/cgroup.cpu", [pid 4132] setpgid(0, 0 [pid 4131] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4132] <... setpgid resumed>) = 0 [pid 3619] unlink("./64/cgroup.cpu" [pid 4132] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4131] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4132] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 4132] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4131] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4132] <... symlink resumed>) = 0 [pid 3619] close(3 [pid 4132] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4131] <... socket resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 4132] <... symlink resumed>) = 0 [pid 3619] rmdir("./64" [pid 4132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4131] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4132] <... openat resumed>) = 3 [pid 4131] <... sendmsg resumed>) = 56 [pid 3619] mkdir("./65", 0777 [pid 4132] write(3, "1000", 4 [pid 4131] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... mkdir resumed>) = 0 [pid 4132] <... write resumed>) = 4 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4134 attached [pid 4132] close(3 [pid 4131] <... openat resumed>) = 4 [pid 4134] chdir("./65" [pid 4132] <... close resumed>) = 0 [pid 4131] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 67 [pid 4134] <... chdir resumed>) = 0 [pid 4132] symlink("/dev/binderfs", "./binderfs" [pid 4134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4132] <... symlink resumed>) = 0 [pid 4134] <... prctl resumed>) = 0 [pid 4132] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4134] setpgid(0, 0 [pid 4132] <... socket resumed>) = 3 [pid 4134] <... setpgid resumed>) = 0 [pid 4132] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4134] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4132] <... sendmsg resumed>) = 56 [pid 4134] <... symlink resumed>) = 0 [pid 4134] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4132] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4134] <... symlink resumed>) = 0 [pid 4132] <... openat resumed>) = 4 [pid 4134] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4132] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4134] <... symlink resumed>) = 0 [pid 4134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4134] write(3, "1000", 4) = 4 [pid 4134] close(3) = 0 [pid 4134] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4132] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4134] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 82.635052][ T4132] siw: device registration error -23 [pid 4134] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4134] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4134] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4134] close(3) = 0 [pid 4134] close(4) = 0 [pid 4134] close(5) = -1 EBADF (Bad file descriptor) [pid 4134] close(6) = -1 EBADF (Bad file descriptor) [pid 4134] close(7) = -1 EBADF (Bad file descriptor) [pid 4134] close(8) = -1 EBADF (Bad file descriptor) [pid 4134] close(9) = -1 EBADF (Bad file descriptor) [pid 4134] close(10) = -1 EBADF (Bad file descriptor) [pid 4134] close(11) = -1 EBADF (Bad file descriptor) [pid 4134] close(12) = -1 EBADF (Bad file descriptor) [pid 4134] close(13) = -1 EBADF (Bad file descriptor) [pid 4134] close(14) = -1 EBADF (Bad file descriptor) [pid 4134] close(15) = -1 EBADF (Bad file descriptor) [pid 4134] close(16) = -1 EBADF (Bad file descriptor) [pid 4134] close(17) = -1 EBADF (Bad file descriptor) [pid 4134] close(18) = -1 EBADF (Bad file descriptor) [pid 4134] close(19) = -1 EBADF (Bad file descriptor) [pid 4134] close(20) = -1 EBADF (Bad file descriptor) [pid 4134] close(21) = -1 EBADF (Bad file descriptor) [pid 4134] close(22) = -1 EBADF (Bad file descriptor) [pid 4134] close(23) = -1 EBADF (Bad file descriptor) [pid 4134] close(24) = -1 EBADF (Bad file descriptor) [pid 4134] close(25) = -1 EBADF (Bad file descriptor) [pid 4134] close(26) = -1 EBADF (Bad file descriptor) [pid 4134] close(27) = -1 EBADF (Bad file descriptor) [pid 4134] close(28) = -1 EBADF (Bad file descriptor) [pid 4134] close(29) = -1 EBADF (Bad file descriptor) [pid 4134] exit_group(0) = ? [pid 4134] +++ exited with 0 +++ [pid 4132] close(3) = 0 [pid 4132] close(4) = 0 [pid 4132] close(5) = -1 EBADF (Bad file descriptor) [pid 4132] close(6) = -1 EBADF (Bad file descriptor) [pid 4132] close(7) = -1 EBADF (Bad file descriptor) [pid 4132] close(8) = -1 EBADF (Bad file descriptor) [pid 4132] close(9) = -1 EBADF (Bad file descriptor) [pid 4132] close(10) = -1 EBADF (Bad file descriptor) [pid 4132] close(11) = -1 EBADF (Bad file descriptor) [pid 4132] close(12) = -1 EBADF (Bad file descriptor) [pid 4132] close(13) = -1 EBADF (Bad file descriptor) [pid 4132] close(14) = -1 EBADF (Bad file descriptor) [pid 4132] close(15) = -1 EBADF (Bad file descriptor) [pid 4132] close(16) = -1 EBADF (Bad file descriptor) [pid 4132] close(17) = -1 EBADF (Bad file descriptor) [pid 4132] close(18) = -1 EBADF (Bad file descriptor) [pid 4132] close(19) = -1 EBADF (Bad file descriptor) [pid 4132] close(20) = -1 EBADF (Bad file descriptor) [pid 4132] close(21) = -1 EBADF (Bad file descriptor) [pid 4132] close(22) = -1 EBADF (Bad file descriptor) [pid 4132] close(23) = -1 EBADF (Bad file descriptor) [pid 4132] close(24) = -1 EBADF (Bad file descriptor) [pid 4132] close(25) = -1 EBADF (Bad file descriptor) [pid 4132] close(26) = -1 EBADF (Bad file descriptor) [pid 4132] close(27 [pid 4131] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(28 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(29) = -1 EBADF (Bad file descriptor) [pid 4132] exit_group(0) = ? [pid 4132] +++ exited with 0 +++ [pid 4131] close(3) = 0 [pid 4131] close(4) = 0 [pid 4131] close(5) = -1 EBADF (Bad file descriptor) [pid 4131] close(6) = -1 EBADF (Bad file descriptor) [pid 4131] close(7) = -1 EBADF (Bad file descriptor) [pid 4131] close(8) = -1 EBADF (Bad file descriptor) [pid 4131] close(9) = -1 EBADF (Bad file descriptor) [pid 4131] close(10) = -1 EBADF (Bad file descriptor) [pid 4131] close(11) = -1 EBADF (Bad file descriptor) [pid 4131] close(12) = -1 EBADF (Bad file descriptor) [pid 4131] close(13) = -1 EBADF (Bad file descriptor) [pid 4131] close(14 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4131] close(15) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] close(16 [pid 3623] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] close(17 [pid 3619] <... openat resumed>) = 3 [pid 3623] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 4131] close(18 [pid 3623] fstat(3, [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4131] close(19 [pid 3623] getdents64(3, [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4131] close(20 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4131] close(21 [pid 3623] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(22) = -1 EBADF (Bad file descriptor) [pid 4131] close(23) = -1 EBADF (Bad file descriptor) [pid 4131] close(24) = -1 EBADF (Bad file descriptor) [pid 4131] close(25) = -1 EBADF (Bad file descriptor) [pid 4131] close(26) = -1 EBADF (Bad file descriptor) [pid 4131] close(27) = -1 EBADF (Bad file descriptor) [pid 4131] close(28) = -1 EBADF (Bad file descriptor) [pid 4131] close(29) = -1 EBADF (Bad file descriptor) [pid 4131] exit_group(0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] <... exit_group resumed>) = ? [pid 3623] lstat("./68/binderfs", [pid 3619] lstat("./65/binderfs", [pid 4131] +++ exited with 0 +++ [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./68/binderfs" [pid 3619] unlink("./65/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [ 82.668021][ T4134] siw: device registration error -23 [pid 3623] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./68/cgroup", [pid 3619] lstat("./65/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./68/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./65/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./68/cgroup.net", [pid 3622] fstat(3, [pid 3619] lstat("./65/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./68/cgroup.net" [pid 3622] getdents64(3, [pid 3619] unlink("./65/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./68/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./65/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./68/cpuset.effective_cpus", [pid 3622] lstat("./69/binderfs", [pid 3619] lstat("./65/cpuset.effective_cpus", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./68/cpuset.effective_cpus" [pid 3622] unlink("./69/binderfs" [pid 3619] unlink("./65/cpuset.effective_cpus" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./68/cgroup.cpu", [pid 3619] lstat("./65/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./68/cgroup.cpu" [pid 3619] unlink("./65/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] lstat("./69/cgroup", [pid 3619] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3 [pid 3622] unlink("./69/cgroup" [pid 3619] close(3 [pid 3623] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] rmdir("./68" [pid 3622] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] rmdir("./65" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3623] mkdir("./69", 0777 [pid 3622] lstat("./69/cgroup.net", [pid 3619] mkdir("./66", 0777 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] unlink("./69/cgroup.net" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4139 attached ./strace-static-x86_64: Process 4138 attached [pid 3622] <... unlink resumed>) = 0 [pid 4139] chdir("./66" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 71 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 68 [pid 4139] <... chdir resumed>) = 0 [pid 4138] chdir("./69" [pid 3622] umount2("./69/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4138] <... chdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4139] <... prctl resumed>) = 0 [pid 4138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] lstat("./69/cpuset.effective_cpus", [pid 4139] setpgid(0, 0 [pid 4138] <... prctl resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4139] <... setpgid resumed>) = 0 [pid 4138] setpgid(0, 0 [pid 3622] unlink("./69/cpuset.effective_cpus" [pid 4139] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4138] <... setpgid resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4138] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4139] <... symlink resumed>) = 0 [pid 4139] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4138] <... symlink resumed>) = 0 [pid 3622] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4139] <... symlink resumed>) = 0 [pid 4138] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4139] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4138] <... symlink resumed>) = 0 [pid 3622] lstat("./69/cgroup.cpu", [pid 4139] <... symlink resumed>) = 0 [pid 4138] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4138] <... symlink resumed>) = 0 [pid 3622] unlink("./69/cgroup.cpu" [pid 4139] <... openat resumed>) = 3 [pid 4138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4139] write(3, "1000", 4 [pid 3622] <... unlink resumed>) = 0 [pid 4139] <... write resumed>) = 4 [pid 4138] <... openat resumed>) = 3 [pid 3622] getdents64(3, [pid 4139] close(3 [pid 4138] write(3, "1000", 4 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4139] <... close resumed>) = 0 [pid 4138] <... write resumed>) = 4 [pid 3622] close(3 [pid 4139] symlink("/dev/binderfs", "./binderfs" [pid 4138] close(3 [pid 3622] <... close resumed>) = 0 [pid 4139] <... symlink resumed>) = 0 [pid 4139] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4138] <... close resumed>) = 0 [pid 3622] rmdir("./69" [pid 4139] <... socket resumed>) = 3 [pid 4138] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... rmdir resumed>) = 0 [pid 4139] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4138] <... symlink resumed>) = 0 [pid 3622] mkdir("./70", 0777 [pid 4139] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4138] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... mkdir resumed>) = 0 [pid 4139] <... openat resumed>) = 4 [pid 4138] <... socket resumed>) = 3 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4139] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4138] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4140 attached [pid 4140] chdir("./70") = 0 [pid 4140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4138] <... sendmsg resumed>) = 56 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 72 [pid 4140] <... prctl resumed>) = 0 [pid 4140] setpgid(0, 0) = 0 [pid 4138] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4140] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4138] <... openat resumed>) = 4 [pid 4140] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4138] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4140] <... symlink resumed>) = 0 [pid 4140] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4140] write(3, "1000", 4) = 4 [pid 4140] close(3) = 0 [pid 4140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4140] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4140] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4140] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4140] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4139] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4138] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4140] close(3) = 0 [pid 4138] close(3) = 0 [pid 4138] close(4 [pid 4139] close(3 [pid 4138] <... close resumed>) = 0 [pid 4138] close(5 [pid 4139] <... close resumed>) = 0 [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(4 [pid 4138] close(6 [pid 4139] <... close resumed>) = 0 [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(4 [pid 4139] close(5 [pid 4138] close(7 [pid 4140] <... close resumed>) = 0 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 82.778527][ T4139] siw: device registration error -23 [ 82.799231][ T4138] siw: device registration error -23 [pid 4139] close(6 [pid 4138] close(8 [pid 4140] close(5 [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(7 [pid 4138] close(9 [pid 4140] close(6 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(8 [pid 4138] close(10 [pid 4140] close(7 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(9 [pid 4138] close(11 [pid 4140] close(8 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(10 [pid 4138] close(12 [pid 4140] close(9 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(11 [pid 4138] close(13 [pid 4140] close(10 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(12 [pid 4138] close(14 [pid 4140] close(11 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(13 [pid 4138] close(15 [pid 4140] close(12 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(14 [pid 4138] close(16 [pid 4140] close(13 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(15 [pid 4138] close(17 [pid 4140] close(14 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(16 [pid 4138] close(18 [pid 4140] close(15 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(17 [pid 4138] close(19 [pid 4140] close(16 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(18 [pid 4138] close(20 [pid 4140] close(17 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(19 [pid 4138] close(21 [pid 4140] close(18) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(19 [pid 4139] close(20 [pid 4138] close(22 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(20 [pid 4139] close(21 [pid 4138] close(23 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(21 [pid 4139] close(22 [pid 4138] close(24 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(22 [pid 4139] close(23 [pid 4138] close(25 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(23 [pid 4139] close(24 [pid 4138] close(26 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(24 [pid 4139] close(25 [pid 4138] close(27 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(25) = -1 EBADF (Bad file descriptor) [pid 4140] close(26) = -1 EBADF (Bad file descriptor) [pid 4140] close(27) = -1 EBADF (Bad file descriptor) [pid 4140] close(28) = -1 EBADF (Bad file descriptor) [pid 4140] close(29) = -1 EBADF (Bad file descriptor) [pid 4140] exit_group(0 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... exit_group resumed>) = ? [pid 4139] close(26 [pid 4138] close(28 [pid 4140] +++ exited with 0 +++ [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4139] close(27 [pid 4138] close(29 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4139] close(28 [pid 4138] exit_group(0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] <... exit_group resumed>) = ? [pid 3622] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4139] close(29 [pid 4138] +++ exited with 0 +++ [pid 3622] <... openat resumed>) = 3 [pid 4139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 4139] exit_group(0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4139] <... exit_group resumed>) = ? [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] getdents64(3, [pid 4139] +++ exited with 0 +++ [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./70/binderfs") = 0 [pid 3622] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./70/cgroup", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] unlink("./70/cgroup" [pid 3623] <... openat resumed>) = 3 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] fstat(3, [pid 3622] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(3, [pid 3622] lstat("./70/cgroup.net", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./70/cgroup.net" [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./69/binderfs", [pid 3622] umount2("./70/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./69/binderfs" [pid 3622] lstat("./70/cpuset.effective_cpus", [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./70/cpuset.effective_cpus" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./69/cgroup", [pid 3622] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./70/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./70") = 0 [pid 3622] mkdir("./71", 0777) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./69/cgroup" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./66/binderfs", ./strace-static-x86_64: Process 4144 attached [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4144] chdir("./71" [pid 3623] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 73 [pid 3619] unlink("./66/binderfs" [pid 4144] <... chdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] lstat("./69/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 4144] <... prctl resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4144] setpgid(0, 0 [pid 3623] unlink("./69/cgroup.net" [pid 4144] <... setpgid resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 4144] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3619] lstat("./66/cgroup", [pid 3623] umount2("./69/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4144] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4144] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] lstat("./69/cpuset.effective_cpus", [pid 3619] unlink("./66/cgroup" [pid 4144] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4144] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] unlink("./69/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 4144] <... symlink resumed>) = 0 [pid 4144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4144] <... openat resumed>) = 3 [pid 3623] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4144] write(3, "1000", 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./66/cgroup.net", [pid 4144] <... write resumed>) = 4 [pid 3623] lstat("./69/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4144] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./66/cgroup.net" [pid 4144] <... close resumed>) = 0 [pid 3623] unlink("./69/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 4144] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./66/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4144] <... symlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4144] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./66/cpuset.effective_cpus", [pid 4144] <... socket resumed>) = 3 [pid 3623] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4144] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... close resumed>) = 0 [pid 3619] unlink("./66/cpuset.effective_cpus" [pid 4144] <... sendmsg resumed>) = 56 [pid 3623] rmdir("./69" [pid 3619] <... unlink resumed>) = 0 [pid 4144] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4144] <... openat resumed>) = 4 [pid 3623] mkdir("./70", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4144] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] lstat("./66/cgroup.cpu", [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4146 attached [pid 3619] unlink("./66/cgroup.cpu" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 72 [pid 4146] chdir("./70" [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./66" [pid 4146] <... chdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./67", 0777 [pid 4146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4147 attached [pid 4146] <... prctl resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 69 [pid 4146] setpgid(0, 0 [pid 4147] chdir("./67" [pid 4146] <... setpgid resumed>) = 0 [pid 4146] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4147] <... chdir resumed>) = 0 [pid 4147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4146] <... symlink resumed>) = 0 [pid 4147] <... prctl resumed>) = 0 [pid 4146] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4147] setpgid(0, 0 [pid 4146] <... symlink resumed>) = 0 [pid 4147] <... setpgid resumed>) = 0 [pid 4147] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4146] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4147] <... symlink resumed>) = 0 [pid 4146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4147] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4146] <... openat resumed>) = 3 [pid 4147] <... symlink resumed>) = 0 [pid 4146] write(3, "1000", 4) = 4 [pid 4147] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4146] close(3 [pid 4147] <... symlink resumed>) = 0 [pid 4146] <... close resumed>) = 0 [pid 4147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4146] symlink("/dev/binderfs", "./binderfs" [pid 4147] <... openat resumed>) = 3 [pid 4146] <... symlink resumed>) = 0 [pid 4146] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4147] write(3, "1000", 4 [pid 4146] <... socket resumed>) = 3 [pid 4146] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4147] <... write resumed>) = 4 [pid 4147] close(3 [pid 4146] <... sendmsg resumed>) = 56 [pid 4147] <... close resumed>) = 0 [pid 4146] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4147] symlink("/dev/binderfs", "./binderfs" [pid 4146] <... openat resumed>) = 4 [pid 4147] <... symlink resumed>) = 0 [pid 4146] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4147] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4147] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4147] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4147] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4147] close(3) = 0 [pid 4146] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4146] close(3 [pid 4147] close(4 [pid 4144] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4147] <... close resumed>) = 0 [pid 4146] <... close resumed>) = 0 [pid 4144] close(3 [pid 4146] close(4) = 0 [pid 4146] close(5) = -1 EBADF (Bad file descriptor) [pid 4147] close(5 [pid 4144] <... close resumed>) = 0 [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(6) = -1 EBADF (Bad file descriptor) [pid 4146] close(7 [pid 4147] close(6 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(4 [pid 4146] close(8) = -1 EBADF (Bad file descriptor) [pid 4146] close(9) = -1 EBADF (Bad file descriptor) [pid 4146] close(10) = -1 EBADF (Bad file descriptor) [pid 4146] close(11) = -1 EBADF (Bad file descriptor) [pid 4146] close(12) = -1 EBADF (Bad file descriptor) [pid 4146] close(13) = -1 EBADF (Bad file descriptor) [pid 4146] close(14) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(15 [pid 4147] close(7 [pid 4144] <... close resumed>) = 0 [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] close(8 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(5 [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(16 [pid 4147] close(9 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(17 [pid 4144] close(6 [pid 4147] close(10 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(18 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] close(11 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(7 [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(19 [pid 4147] close(12 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(20 [pid 4144] close(8 [pid 4147] close(13 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(21 [pid 4144] close(9 [pid 4147] close(14 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(22 [pid 4144] close(10 [pid 4147] close(15 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(23 [pid 4144] close(11 [pid 4147] close(16 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(24 [pid 4144] close(12 [pid 4147] close(17 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(13 [pid 4147] close(18 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(14 [pid 4147] close(19 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(15 [pid 4147] close(20 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 83.039525][ T4146] siw: device registration error -23 [ 83.076011][ T4147] siw: device registration error -23 [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(25 [pid 4144] close(16 [pid 4147] close(21 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(26 [pid 4144] close(17 [pid 4147] close(22 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(27 [pid 4144] close(18 [pid 4147] close(23 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(28 [pid 4144] close(19 [pid 4147] close(24 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(29 [pid 4144] close(20 [pid 4147] close(25 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] exit_group(0 [pid 4144] close(21 [pid 4147] close(26 [pid 4146] <... exit_group resumed>) = ? [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(22 [pid 4147] close(27 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(23 [pid 4147] close(28 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(24 [pid 4147] close(29 [pid 4146] +++ exited with 0 +++ [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(25 [pid 4147] exit_group(0 [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... exit_group resumed>) = ? [pid 4144] close(26 [pid 4147] +++ exited with 0 +++ [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4144] close(27 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4144] close(28) = -1 EBADF (Bad file descriptor) [pid 4144] close(29) = -1 EBADF (Bad file descriptor) [pid 4144] exit_group(0) = ? [pid 4144] +++ exited with 0 +++ [pid 3623] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3619] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(3, [pid 3622] <... openat resumed>) = 3 [pid 3619] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] fstat(3, [pid 3623] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] fstat(3, [pid 3623] lstat("./70/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./71/binderfs", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./71/binderfs") = 0 [pid 3622] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./71/cgroup") = 0 [pid 3622] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./70/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3622] lstat("./71/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./71/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./70/cgroup", [pid 3622] umount2("./71/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./70/cgroup" [pid 3622] lstat("./71/cpuset.effective_cpus", [pid 3619] lstat("./67/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./71/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./67/binderfs" [pid 3623] lstat("./70/cgroup.net", [pid 3622] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./70/cgroup.net" [pid 3622] lstat("./71/cgroup.cpu", [pid 3619] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./70/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./71/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./67/cgroup", [pid 3623] lstat("./70/cpuset.effective_cpus", [pid 3622] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./70/cpuset.effective_cpus" [pid 3622] close(3) = 0 [pid 3619] unlink("./67/cgroup" [pid 3622] rmdir("./71" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] mkdir("./72", 0777 [pid 3619] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... mkdir resumed>) = 0 [pid 3623] lstat("./70/cgroup.cpu", [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4150 attached [pid 3619] lstat("./67/cgroup.net", [pid 4150] chdir("./72" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 74 [pid 4150] <... chdir resumed>) = 0 [pid 3623] unlink("./70/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./67/cgroup.net" [pid 4150] setpgid(0, 0 [pid 3623] getdents64(3, [pid 4150] <... setpgid resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4150] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] close(3 [pid 3619] umount2("./67/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4150] <... symlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 4150] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4150] <... symlink resumed>) = 0 [pid 3623] rmdir("./70" [pid 3619] lstat("./67/cpuset.effective_cpus", [pid 4150] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] mkdir("./71", 0777 [pid 3619] unlink("./67/cpuset.effective_cpus" [pid 4150] <... openat resumed>) = 3 [pid 4150] write(3, "1000", 4 [pid 3623] <... mkdir resumed>) = 0 [pid 4150] <... write resumed>) = 4 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... unlink resumed>) = 0 [pid 4150] close(3) = 0 ./strace-static-x86_64: Process 4151 attached [pid 4150] symlink("/dev/binderfs", "./binderfs" [pid 3619] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4151] chdir("./71" [pid 4150] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 73 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4151] <... chdir resumed>) = 0 [pid 4150] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] lstat("./67/cgroup.cpu", [pid 4151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4150] <... socket resumed>) = 3 [pid 4151] <... prctl resumed>) = 0 [pid 4150] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4151] setpgid(0, 0 [pid 4150] <... sendmsg resumed>) = 56 [pid 3619] unlink("./67/cgroup.cpu" [pid 4151] <... setpgid resumed>) = 0 [pid 4150] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4151] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4150] <... openat resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4151] <... symlink resumed>) = 0 [pid 4150] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] getdents64(3, [pid 4151] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4151] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] close(3 [pid 4151] <... symlink resumed>) = 0 [pid 4151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... close resumed>) = 0 [pid 4151] <... openat resumed>) = 3 [pid 3619] rmdir("./67" [pid 4151] write(3, "1000", 4) = 4 [pid 3619] <... rmdir resumed>) = 0 [pid 4151] close(3) = 0 [pid 4151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4151] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4151] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4151] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4151] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] mkdir("./68", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4154 attached , child_tidptr=0x5555558f4690) = 70 [pid 4154] chdir("./68") = 0 [pid 4154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4154] setpgid(0, 0) = 0 [pid 4154] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4154] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4154] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4154] write(3, "1000", 4) = 4 [pid 4154] close(3) = 0 [pid 4154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4154] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4154] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4150] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4154] <... sendmsg resumed>) = 56 [pid 4150] close(3 [pid 4154] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4150] <... close resumed>) = 0 [pid 4154] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4150] close(4 [pid 4154] close(3) = 0 [pid 4150] <... close resumed>) = 0 [pid 4154] close(4) = 0 [pid 4154] close(5) = -1 EBADF (Bad file descriptor) [pid 4154] close(6 [pid 4151] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4150] close(5 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(7) = -1 EBADF (Bad file descriptor) [pid 4154] close(8) = -1 EBADF (Bad file descriptor) [pid 4154] close(9 [pid 4151] close(3 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = 0 [pid 4150] close(6 [pid 4151] close(4 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = 0 [pid 4150] close(7 [pid 4151] close(5 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(8 [pid 4151] close(6 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(9 [pid 4151] close(7 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(10 [pid 4151] close(8 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(11 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] close(9 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(10 [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(12 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] close(10 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(11 [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(13 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] close(11 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(12 [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(14 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] close(12 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(13 [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(15 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] close(13 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(14 [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(16 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] close(14 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(17 [pid 4151] close(15 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(18 [pid 4151] close(16 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(19 [pid 4151] close(17 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(15) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(20 [pid 4154] close(16 [pid 4151] close(18 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(21 [pid 4154] close(17 [pid 4151] close(19 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(22 [pid 4154] close(18 [pid 4151] close(20 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(23 [pid 4154] close(19 [pid 4151] close(21 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(24 [pid 4154] close(20 [pid 4151] close(22 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(25 [pid 4154] close(21 [pid 4151] close(23 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(26 [pid 4154] close(22 [pid 4151] close(24 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 83.243178][ T4151] siw: device registration error -23 [ 83.283355][ T4154] siw: device registration error -23 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(27 [pid 4154] close(23 [pid 4151] close(25 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(28 [pid 4154] close(24 [pid 4151] close(26 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] close(29 [pid 4154] close(25 [pid 4151] close(27 [pid 4150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] exit_group(0 [pid 4154] close(26 [pid 4151] close(28 [pid 4150] <... exit_group resumed>) = ? [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4150] +++ exited with 0 +++ [pid 4151] close(29 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4151] exit_group(0) = ? [pid 3622] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4154] close(27 [pid 4151] +++ exited with 0 +++ [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4154] close(28 [pid 3622] <... openat resumed>) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./72/binderfs") = 0 [pid 3622] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./72/cgroup", [pid 4154] close(29 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] unlink("./72/cgroup") = 0 [pid 3622] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./72/cgroup.net" [pid 4154] exit_group(0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 4154] <... exit_group resumed>) = ? [pid 3623] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./72/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./72/cpuset.effective_cpus", [pid 4154] +++ exited with 0 +++ [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] unlink("./72/cpuset.effective_cpus" [pid 3623] fstat(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./72/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./72") = 0 [pid 3622] mkdir("./73", 0777 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] getdents64(3, [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4157 attached [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4157] chdir("./73" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 75 [pid 3623] lstat("./71/binderfs", [pid 3619] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./71/binderfs" [pid 3619] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4157] <... chdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 4157] <... prctl resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4157] setpgid(0, 0 [pid 3623] lstat("./71/cgroup", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4157] <... setpgid resumed>) = 0 [pid 4157] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] getdents64(3, [pid 4157] <... symlink resumed>) = 0 [pid 3623] unlink("./71/cgroup" [pid 4157] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4157] <... symlink resumed>) = 0 [pid 3623] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4157] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4157] <... symlink resumed>) = 0 [pid 3623] lstat("./71/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./68/binderfs", [pid 4157] write(3, "1000", 4 [pid 3623] unlink("./71/cgroup.net" [pid 4157] <... write resumed>) = 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4157] close(3) = 0 [pid 4157] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4157] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4157] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4157] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4157] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./68/binderfs" [pid 3623] umount2("./71/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./71/cpuset.effective_cpus", [pid 3619] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./71/cpuset.effective_cpus" [pid 3619] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./68/cgroup" [pid 3623] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./71/cgroup.cpu", [pid 3619] unlink("./68/cgroup.net" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./68/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./71/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./68/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./68/cpuset.effective_cpus") = 0 [pid 3623] getdents64(3, [pid 3619] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3619] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] unlink("./68/cgroup.cpu") = 0 [pid 3623] rmdir("./71" [pid 3619] getdents64(3, [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] mkdir("./72", 0777 [pid 3619] close(3) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] rmdir("./68" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./69", 0777./strace-static-x86_64: Process 4159 attached ) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 74 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4159] chdir("./72"./strace-static-x86_64: Process 4160 attached [pid 4160] chdir("./69" [pid 4159] <... chdir resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 71 [pid 4160] <... chdir resumed>) = 0 [pid 4160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4160] setpgid(0, 0 [pid 4159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4160] <... setpgid resumed>) = 0 [pid 4160] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4159] <... prctl resumed>) = 0 [pid 4160] <... symlink resumed>) = 0 [pid 4159] setpgid(0, 0) = 0 [pid 4159] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4160] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4159] <... symlink resumed>) = 0 [pid 4159] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4160] <... symlink resumed>) = 0 [pid 4160] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4160] write(3, "1000", 4) = 4 [pid 4160] close(3) = 0 [pid 4160] symlink("/dev/binderfs", "./binderfs" [pid 4159] <... symlink resumed>) = 0 [pid 4157] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4157] close(3 [pid 4159] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4157] <... close resumed>) = 0 [pid 4160] <... symlink resumed>) = 0 [pid 4159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4157] close(4) = 0 [pid 4160] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4157] close(5 [pid 4159] <... openat resumed>) = 3 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(6) = -1 EBADF (Bad file descriptor) [pid 4157] close(7) = -1 EBADF (Bad file descriptor) [pid 4157] close(8 [pid 4160] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4159] write(3, "1000", 4) = 4 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(3) = 0 [pid 4157] close(9 [pid 4159] symlink("/dev/binderfs", "./binderfs" [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... sendmsg resumed>) = 56 [pid 4159] <... symlink resumed>) = 0 [pid 4157] close(10 [pid 4159] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4160] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4159] <... socket resumed>) = 3 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... openat resumed>) = 4 [pid 4159] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4157] close(11 [pid 4160] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... sendmsg resumed>) = 56 [pid 4160] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4159] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4157] close(12 [pid 4160] close(3 [pid 4159] <... openat resumed>) = 4 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = 0 [pid 4159] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4157] close(13 [pid 4160] close(4 [pid 4159] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = 0 [pid 4159] close(3 [pid 4157] close(14 [pid 4160] close(5 [pid 4159] <... close resumed>) = 0 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(4 [pid 4157] close(15 [pid 4160] close(6 [pid 4159] <... close resumed>) = 0 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(5 [pid 4157] close(16 [pid 4160] close(7 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(6 [pid 4157] close(17 [pid 4160] close(8 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(7 [pid 4157] close(18 [pid 4160] close(9 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(8 [pid 4157] close(19 [pid 4160] close(10 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(9 [pid 4157] close(20 [pid 4160] close(11 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(10 [pid 4157] close(21 [pid 4160] close(12 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(11 [pid 4157] close(22 [pid 4160] close(13 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(12 [pid 4157] close(23 [pid 4160] close(14 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(13 [pid 4160] close(15 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(24 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(14 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(16 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(25 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(15 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(17 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(26 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(16 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(18 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(27 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(17 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(19 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(28 [pid 4159] close(18) = -1 EBADF (Bad file descriptor) [pid 4159] close(19) = -1 EBADF (Bad file descriptor) [pid 4159] close(20) = -1 EBADF (Bad file descriptor) [pid 4159] close(21) = -1 EBADF (Bad file descriptor) [pid 4159] close(22 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(20 [pid 4159] close(23) = -1 EBADF (Bad file descriptor) [ 83.481544][ T4160] siw: device registration error -23 [ 83.484133][ T4159] siw: device registration error -23 [pid 4159] close(24) = -1 EBADF (Bad file descriptor) [pid 4159] close(25) = -1 EBADF (Bad file descriptor) [pid 4159] close(26) = -1 EBADF (Bad file descriptor) [pid 4159] close(27 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(29 [pid 4160] close(21 [pid 4159] close(28 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] exit_group(0 [pid 4160] close(22 [pid 4159] close(29 [pid 4157] <... exit_group resumed>) = ? [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] exit_group(0) = ? [pid 4160] close(23 [pid 4159] +++ exited with 0 +++ [pid 4157] +++ exited with 0 +++ [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4160] close(24) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4160] close(25 [pid 3622] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4160] close(26 [pid 3622] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 4160] close(27 [pid 3622] fstat(3, [pid 3623] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4160] close(28 [pid 3623] lstat("./72/binderfs", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] getdents64(3, [pid 4160] close(29 [pid 3623] unlink("./72/binderfs" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4160] exit_group(0 [pid 3623] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4160] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./72/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4160] +++ exited with 0 +++ [pid 3623] unlink("./72/cgroup" [pid 3622] lstat("./73/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./73/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] unlink("./72/cgroup.net") = 0 [pid 3622] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./72/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./72/cpuset.effective_cpus", [pid 3622] lstat("./73/cgroup", [pid 3619] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./72/cpuset.effective_cpus" [pid 3622] unlink("./73/cgroup" [pid 3619] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./72/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./73/cgroup.net", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] unlink("./72/cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./73/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./69/binderfs", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] umount2("./73/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] close(3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./69/binderfs" [pid 3623] <... close resumed>) = 0 [pid 3622] lstat("./73/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3623] rmdir("./72" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3622] unlink("./73/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./73", 0777 [pid 3619] lstat("./69/cgroup", [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./69/cgroup"./strace-static-x86_64: Process 4166 attached ) = 0 [pid 4166] chdir("./73" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 75 [pid 3619] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] <... chdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./69/cgroup.net", [pid 4166] <... prctl resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4166] setpgid(0, 0 [pid 3622] lstat("./73/cgroup.cpu", [pid 3619] unlink("./69/cgroup.net" [pid 4166] <... setpgid resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4166] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] unlink("./73/cgroup.cpu" [pid 3619] umount2("./69/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./69/cpuset.effective_cpus", [pid 4166] <... symlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4166] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./69/cpuset.effective_cpus" [pid 4166] <... symlink resumed>) = 0 [pid 3622] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 4166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... close resumed>) = 0 [pid 3619] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] <... openat resumed>) = 3 [pid 3622] rmdir("./73" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./69/cgroup.cpu") = 0 [pid 4166] write(3, "1000", 4 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] getdents64(3, [pid 4166] <... write resumed>) = 4 [pid 3622] mkdir("./74", 0777 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4166] close(3 [pid 3619] close(3 [pid 4166] <... close resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 4166] symlink("/dev/binderfs", "./binderfs" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] rmdir("./69" [pid 4166] <... symlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./70", 0777./strace-static-x86_64: Process 4168 attached [pid 4166] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 76 [pid 3619] <... mkdir resumed>) = 0 [pid 4168] chdir("./74" [pid 4166] <... socket resumed>) = 3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4169 attached [pid 4168] <... chdir resumed>) = 0 [pid 4166] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4166] <... sendmsg resumed>) = 56 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 72 [pid 4169] chdir("./70" [pid 4168] <... prctl resumed>) = 0 [pid 4166] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4169] <... chdir resumed>) = 0 [pid 4168] setpgid(0, 0 [pid 4169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4168] <... setpgid resumed>) = 0 [pid 4166] <... openat resumed>) = 4 [pid 4169] <... prctl resumed>) = 0 [pid 4168] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4166] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4169] setpgid(0, 0 [pid 4168] <... symlink resumed>) = 0 [pid 4169] <... setpgid resumed>) = 0 [pid 4168] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4169] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4168] <... symlink resumed>) = 0 [pid 4168] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4169] <... symlink resumed>) = 0 [pid 4169] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4168] <... symlink resumed>) = 0 [pid 4169] <... symlink resumed>) = 0 [pid 4168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4169] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4168] <... openat resumed>) = 3 [pid 4169] <... symlink resumed>) = 0 [pid 4168] write(3, "1000", 4 [pid 4169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4168] <... write resumed>) = 4 [pid 4169] <... openat resumed>) = 3 [pid 4168] close(3 [pid 4169] write(3, "1000", 4 [pid 4168] <... close resumed>) = 0 [pid 4169] <... write resumed>) = 4 [pid 4168] symlink("/dev/binderfs", "./binderfs" [pid 4169] close(3 [pid 4168] <... symlink resumed>) = 0 [pid 4169] <... close resumed>) = 0 [pid 4168] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4169] symlink("/dev/binderfs", "./binderfs" [pid 4168] <... socket resumed>) = 3 [pid 4169] <... symlink resumed>) = 0 [pid 4168] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4169] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4168] <... sendmsg resumed>) = 56 [pid 4169] <... socket resumed>) = 3 [pid 4168] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4169] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4168] <... openat resumed>) = 4 [pid 4169] <... sendmsg resumed>) = 56 [pid 4168] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4169] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4168] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4169] <... openat resumed>) = 4 [pid 4169] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4169] close(3) = 0 [pid 4169] close(4) = 0 [pid 4169] close(5) = -1 EBADF (Bad file descriptor) [pid 4169] close(6 [pid 4166] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(7) = -1 EBADF (Bad file descriptor) [pid 4169] close(8) = -1 EBADF (Bad file descriptor) [pid 4169] close(9) = -1 EBADF (Bad file descriptor) [pid 4169] close(10) = -1 EBADF (Bad file descriptor) [pid 4169] close(11) = -1 EBADF (Bad file descriptor) [pid 4169] close(12) = -1 EBADF (Bad file descriptor) [pid 4169] close(13) = -1 EBADF (Bad file descriptor) [pid 4168] close(3 [pid 4169] close(14) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = 0 [pid 4169] close(15) = -1 EBADF (Bad file descriptor) [pid 4168] close(4 [pid 4169] close(16) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = 0 [pid 4169] close(17) = -1 EBADF (Bad file descriptor) [pid 4168] close(5 [pid 4169] close(18) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(19) = -1 EBADF (Bad file descriptor) [pid 4168] close(6 [pid 4169] close(20) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(21) = -1 EBADF (Bad file descriptor) [pid 4168] close(7 [pid 4169] close(22) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(23) = -1 EBADF (Bad file descriptor) [pid 4168] close(8 [pid 4169] close(24) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(25) = -1 EBADF (Bad file descriptor) [pid 4168] close(9 [pid 4169] close(26) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(27) = -1 EBADF (Bad file descriptor) [pid 4168] close(10 [pid 4169] close(28) = -1 EBADF (Bad file descriptor) [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(29) = -1 EBADF (Bad file descriptor) [pid 4168] close(11 [pid 4169] exit_group(0 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... exit_group resumed>) = ? [pid 4168] close(12 [pid 4169] +++ exited with 0 +++ [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(13) = -1 EBADF (Bad file descriptor) [pid 4168] close(14) = -1 EBADF (Bad file descriptor) [pid 4168] close(15) = -1 EBADF (Bad file descriptor) [pid 4168] close(16) = -1 EBADF (Bad file descriptor) [pid 4168] close(17) = -1 EBADF (Bad file descriptor) [pid 4168] close(18) = -1 EBADF (Bad file descriptor) [pid 4168] close(19) = -1 EBADF (Bad file descriptor) [pid 4168] close(20) = -1 EBADF (Bad file descriptor) [pid 4168] close(21) = -1 EBADF (Bad file descriptor) [pid 4168] close(22) = -1 EBADF (Bad file descriptor) [pid 4168] close(23) = -1 EBADF (Bad file descriptor) [pid 4168] close(24) = -1 EBADF (Bad file descriptor) [pid 4168] close(25) = -1 EBADF (Bad file descriptor) [pid 4168] close(26) = -1 EBADF (Bad file descriptor) [pid 4168] close(27) = -1 EBADF (Bad file descriptor) [pid 4168] close(28) = -1 EBADF (Bad file descriptor) [pid 4168] close(29) = -1 EBADF (Bad file descriptor) [pid 4168] exit_group(0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4168] <... exit_group resumed>) = ? [pid 4168] +++ exited with 0 +++ [pid 4166] close(3 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 83.642904][ T4166] siw: device registration error -23 [ 83.683735][ T4169] siw: device registration error -23 [pid 4166] <... close resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3622] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4166] close(4 [pid 3622] <... openat resumed>) = 3 [pid 3619] getdents64(3, [pid 3622] fstat(3, [pid 4166] <... close resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] close(5 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./70/binderfs", [pid 3622] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./70/binderfs" [pid 3622] lstat("./74/binderfs", [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(6) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4166] close(7 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] close(8 [pid 3622] unlink("./74/binderfs" [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] close(9) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4166] close(10 [pid 3619] lstat("./70/cgroup", [pid 3622] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4166] close(11 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./70/cgroup" [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./74/cgroup", [pid 4166] close(12) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4166] close(13 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./74/cgroup" [pid 3619] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] close(14 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./70/cgroup.net", [pid 4166] close(15 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./74/cgroup.net", [pid 3619] unlink("./70/cgroup.net" [pid 4166] close(16 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./74/cgroup.net" [pid 3619] umount2("./70/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] close(17 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./74/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./70/cpuset.effective_cpus", [pid 4166] close(18 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./74/cpuset.effective_cpus", [pid 3619] unlink("./70/cpuset.effective_cpus" [pid 4166] close(19 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./74/cpuset.effective_cpus" [pid 3619] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4166] close(20 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./70/cgroup.cpu", [pid 4166] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./74/cgroup.cpu", [pid 3619] unlink("./70/cgroup.cpu" [pid 4166] close(22 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./74/cgroup.cpu" [pid 3619] getdents64(3, [pid 4166] close(23 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3619] close(3 [pid 4166] close(24 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... close resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] close(3 [pid 3619] rmdir("./70" [pid 4166] close(25 [pid 3622] <... close resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] rmdir("./74" [pid 3619] mkdir("./71", 0777 [pid 4166] close(26 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3622] mkdir("./75", 0777 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4172 attached [pid 3622] <... mkdir resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 73 ./strace-static-x86_64: Process 4174 attached [pid 4172] chdir("./71" [pid 4166] close(27 [pid 4174] chdir("./75" [pid 4172] <... chdir resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 77 [pid 4174] <... chdir resumed>) = 0 [pid 4172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4166] close(28 [pid 4174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4172] <... prctl resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] <... prctl resumed>) = 0 [pid 4172] setpgid(0, 0 [pid 4166] close(29 [pid 4174] setpgid(0, 0 [pid 4172] <... setpgid resumed>) = 0 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] <... setpgid resumed>) = 0 [pid 4172] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4174] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4166] exit_group(0 [pid 4174] <... symlink resumed>) = 0 [pid 4172] <... symlink resumed>) = 0 [pid 4166] <... exit_group resumed>) = ? [pid 4174] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4172] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4174] <... symlink resumed>) = 0 [pid 4166] +++ exited with 0 +++ [pid 4172] <... symlink resumed>) = 0 [pid 4174] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4172] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4174] <... symlink resumed>) = 0 [pid 4174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4172] <... symlink resumed>) = 0 [pid 4174] <... openat resumed>) = 3 [pid 4172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4174] write(3, "1000", 4 [pid 4172] <... openat resumed>) = 3 [pid 4174] <... write resumed>) = 4 [pid 4172] write(3, "1000", 4 [pid 4174] close(3 [pid 4172] <... write resumed>) = 4 [pid 3623] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4174] <... close resumed>) = 0 [pid 4172] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4174] symlink("/dev/binderfs", "./binderfs" [pid 4172] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4174] <... symlink resumed>) = 0 [pid 4172] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... openat resumed>) = 3 [pid 4174] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4172] <... symlink resumed>) = 0 [pid 3623] fstat(3, [pid 4174] <... socket resumed>) = 3 [pid 4172] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4174] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4172] <... socket resumed>) = 3 [pid 3623] getdents64(3, [pid 4174] <... sendmsg resumed>) = 56 [pid 4172] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4174] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4172] <... sendmsg resumed>) = 56 [pid 3623] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4174] <... openat resumed>) = 4 [pid 4172] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4174] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4172] <... openat resumed>) = 4 [pid 3623] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./73/binderfs") = 0 [pid 3623] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4172] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./73/cgroup") = 0 [pid 3623] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./73/cgroup.net") = 0 [pid 3623] umount2("./73/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./73/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./73/cpuset.effective_cpus") = 0 [pid 3623] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./73/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [ 83.817960][ T4172] siw: device registration error -23 [pid 3623] close(3) = 0 [pid 3623] rmdir("./73") = 0 [pid 3623] mkdir("./74", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4177 attached [pid 4177] chdir("./74" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 76 [pid 4177] <... chdir resumed>) = 0 [pid 4177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4177] setpgid(0, 0) = 0 [pid 4174] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4177] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4174] close(3 [pid 4177] <... symlink resumed>) = 0 [pid 4177] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4177] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4177] write(3, "1000", 4) = 4 [pid 4177] close(3) = 0 [pid 4174] <... close resumed>) = 0 [pid 4177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4177] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4177] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4174] close(4 [pid 4177] <... sendmsg resumed>) = 56 [pid 4177] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4174] <... close resumed>) = 0 [pid 4177] <... openat resumed>) = 4 [pid 4174] close(5 [pid 4177] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4174] close(6 [pid 4172] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(7) = -1 EBADF (Bad file descriptor) [pid 4174] close(8) = -1 EBADF (Bad file descriptor) [pid 4174] close(9 [pid 4177] close(3 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = 0 [pid 4174] close(10 [pid 4172] close(3 [pid 4177] close(4 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] <... close resumed>) = 0 [pid 4174] close(11 [pid 4172] close(4 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = 0 [pid 4174] close(12 [pid 4172] <... close resumed>) = 0 [pid 4177] close(5 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(5 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(13 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(6 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(6 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(14 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(7 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(7 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(15 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(8 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(8 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(16 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(9 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(9 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(17 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(10 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(10 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(18 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(11 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(11 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(19 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(12 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(12 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(20 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(13 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(13 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(21 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(14 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(14 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(22 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(15 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(15 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(23 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(16 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(16 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(24 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(17 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(17 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(25 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(18) = -1 EBADF (Bad file descriptor) [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(18 [pid 4177] close(19 [pid 4174] close(26 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(19 [pid 4177] close(20 [pid 4174] close(27 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(20 [pid 4177] close(21) = -1 EBADF (Bad file descriptor) [pid 4177] close(22) = -1 EBADF (Bad file descriptor) [pid 4177] close(23) = -1 EBADF (Bad file descriptor) [pid 4177] close(24) = -1 EBADF (Bad file descriptor) [pid 4177] close(25) = -1 EBADF (Bad file descriptor) [pid 4174] close(28 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 83.919427][ T4177] siw: device registration error -23 [pid 4177] close(26 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(21 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] close(29 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(27 [pid 4174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] close(22 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4174] exit_group(0 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(28 [pid 4174] <... exit_group resumed>) = ? [pid 4172] close(23 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(29) = -1 EBADF (Bad file descriptor) [pid 4174] +++ exited with 0 +++ [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] exit_group(0 [pid 4172] close(24 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4177] <... exit_group resumed>) = ? [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4177] +++ exited with 0 +++ [pid 4172] close(25 [pid 3622] <... restart_syscall resumed>) = 0 [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 4172] close(26) = -1 EBADF (Bad file descriptor) [pid 4172] close(27 [pid 3623] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4172] close(28 [pid 3623] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4172] close(29 [pid 3623] fstat(3, [pid 3622] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... openat resumed>) = 3 [pid 4172] exit_group(0 [pid 3623] getdents64(3, [pid 3622] fstat(3, [pid 4172] <... exit_group resumed>) = ? [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4172] +++ exited with 0 +++ [pid 3623] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] lstat("./74/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./74/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./75/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./75/binderfs" [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./74/cgroup", [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./74/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./75/cgroup", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./75/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./74/cgroup.net", [pid 3619] lstat("./71/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./74/cgroup.net" [pid 3622] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./71/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./74/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./75/cgroup.net", [pid 3619] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./74/cpuset.effective_cpus", [pid 3622] unlink("./75/cgroup.net" [pid 3619] lstat("./71/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./74/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./71/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./75/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./74/cgroup.cpu", [pid 3622] lstat("./75/cpuset.effective_cpus", [pid 3619] lstat("./71/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./74/cgroup.cpu" [pid 3622] unlink("./75/cpuset.effective_cpus" [pid 3619] unlink("./71/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] umount2("./71/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3619] lstat("./71/cpuset.effective_cpus", [pid 3623] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] rmdir("./74" [pid 3619] unlink("./71/cpuset.effective_cpus" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] mkdir("./75", 0777 [pid 3619] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./71/cgroup.cpu", ./strace-static-x86_64: Process 4181 attached [pid 3622] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4181] chdir("./75" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 77 [pid 3619] unlink("./71/cgroup.cpu" [pid 4181] <... chdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 4181] <... prctl resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4181] setpgid(0, 0 [pid 3622] lstat("./75/cgroup.cpu", [pid 3619] close(3 [pid 4181] <... setpgid resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 4181] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] rmdir("./71" [pid 4181] <... symlink resumed>) = 0 [pid 3622] unlink("./75/cgroup.cpu" [pid 3619] <... rmdir resumed>) = 0 [pid 4181] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] mkdir("./72", 0777 [pid 4181] <... symlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 4181] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] getdents64(3, [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4183 attached [pid 4181] <... symlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] close(3 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 74 [pid 4183] chdir("./72" [pid 4181] <... openat resumed>) = 3 [pid 3622] <... close resumed>) = 0 [pid 4181] write(3, "1000", 4 [pid 3622] rmdir("./75" [pid 4183] <... chdir resumed>) = 0 [pid 4181] <... write resumed>) = 4 [pid 4181] close(3) = 0 [pid 4181] symlink("/dev/binderfs", "./binderfs" [pid 4183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4181] <... symlink resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 4183] <... prctl resumed>) = 0 [pid 4181] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] mkdir("./76", 0777 [pid 4183] setpgid(0, 0 [pid 4181] <... socket resumed>) = 3 [pid 4183] <... setpgid resumed>) = 0 [pid 4181] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... mkdir resumed>) = 0 [pid 4181] <... sendmsg resumed>) = 56 [pid 4181] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4183] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4181] <... openat resumed>) = 4 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4183] <... symlink resumed>) = 0 [pid 4181] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0./strace-static-x86_64: Process 4184 attached [pid 4183] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 78 [pid 4184] chdir("./76" [pid 4183] <... symlink resumed>) = 0 [pid 4184] <... chdir resumed>) = 0 [pid 4183] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4183] <... symlink resumed>) = 0 [pid 4184] <... prctl resumed>) = 0 [pid 4184] setpgid(0, 0 [pid 4183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4184] <... setpgid resumed>) = 0 [pid 4184] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4183] <... openat resumed>) = 3 [pid 4183] write(3, "1000", 4 [pid 4184] <... symlink resumed>) = 0 [pid 4183] <... write resumed>) = 4 [pid 4184] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4183] close(3 [pid 4184] <... symlink resumed>) = 0 [pid 4183] <... close resumed>) = 0 [pid 4184] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4183] symlink("/dev/binderfs", "./binderfs" [pid 4184] <... symlink resumed>) = 0 [pid 4183] <... symlink resumed>) = 0 [pid 4184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4183] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4184] <... openat resumed>) = 3 [pid 4183] <... socket resumed>) = 3 [pid 4184] write(3, "1000", 4 [pid 4183] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4184] <... write resumed>) = 4 [pid 4183] <... sendmsg resumed>) = 56 [ 84.077352][ T4181] siw: device registration error -23 [pid 4184] close(3 [pid 4183] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4184] <... close resumed>) = 0 [pid 4183] <... openat resumed>) = 4 [pid 4184] symlink("/dev/binderfs", "./binderfs" [pid 4183] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4184] <... symlink resumed>) = 0 [pid 4184] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4184] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4184] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4184] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4183] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4184] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4181] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4184] close(3) = 0 [pid 4181] close(3 [pid 4184] close(4) = 0 [pid 4181] <... close resumed>) = 0 [pid 4184] close(5) = -1 EBADF (Bad file descriptor) [pid 4184] close(6) = -1 EBADF (Bad file descriptor) [pid 4184] close(7) = -1 EBADF (Bad file descriptor) [pid 4184] close(8) = -1 EBADF (Bad file descriptor) [pid 4184] close(9) = -1 EBADF (Bad file descriptor) [ 84.127204][ T4183] siw: device registration error -23 [pid 4184] close(10) = -1 EBADF (Bad file descriptor) [pid 4184] close(11) = -1 EBADF (Bad file descriptor) [pid 4184] close(12) = -1 EBADF (Bad file descriptor) [pid 4184] close(13) = -1 EBADF (Bad file descriptor) [pid 4184] close(14) = -1 EBADF (Bad file descriptor) [pid 4184] close(15) = -1 EBADF (Bad file descriptor) [pid 4181] close(4 [pid 4184] close(16) = -1 EBADF (Bad file descriptor) [pid 4184] close(17) = -1 EBADF (Bad file descriptor) [pid 4184] close(18) = -1 EBADF (Bad file descriptor) [pid 4184] close(19) = -1 EBADF (Bad file descriptor) [pid 4184] close(20) = -1 EBADF (Bad file descriptor) [pid 4184] close(21) = -1 EBADF (Bad file descriptor) [pid 4184] close(22) = -1 EBADF (Bad file descriptor) [pid 4184] close(23) = -1 EBADF (Bad file descriptor) [pid 4184] close(24) = -1 EBADF (Bad file descriptor) [pid 4184] close(25) = -1 EBADF (Bad file descriptor) [pid 4184] close(26) = -1 EBADF (Bad file descriptor) [pid 4184] close(27 [pid 4181] <... close resumed>) = 0 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4183] close(3 [pid 4181] close(5 [pid 4184] close(28 [pid 4183] <... close resumed>) = 0 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4183] close(4 [pid 4181] close(6 [pid 4184] close(29 [pid 4183] <... close resumed>) = 0 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4183] close(5 [pid 4181] close(7 [pid 4184] exit_group(0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4184] <... exit_group resumed>) = ? [pid 4183] close(6 [pid 4181] close(8 [pid 4184] +++ exited with 0 +++ [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4183] close(7 [pid 4181] close(9 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4183] close(8 [pid 4181] close(10 [pid 3622] <... restart_syscall resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4183] close(9 [pid 4181] close(11 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4183] close(10 [pid 4181] close(12 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4183] close(11 [pid 4181] close(13 [pid 3622] <... openat resumed>) = 3 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 4183] close(12 [pid 4181] close(14 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 4183] close(13 [pid 4181] close(15 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./76/binderfs") = 0 [pid 3622] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./76/cgroup", [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(16 [pid 3622] unlink("./76/cgroup" [pid 4183] close(14 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./76/cgroup.net" [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(17 [pid 3622] <... unlink resumed>) = 0 [pid 4183] close(15 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./76/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(18 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4183] close(16 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./76/cpuset.effective_cpus", [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(19 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4183] close(17 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./76/cpuset.effective_cpus" [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(20 [pid 3622] <... unlink resumed>) = 0 [pid 4183] close(18 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4183] close(19 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./76/cgroup.cpu", [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(22 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4183] close(20 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./76/cgroup.cpu" [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(23 [pid 3622] <... unlink resumed>) = 0 [pid 4183] close(21 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(24 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./76" [pid 4183] close(22 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... rmdir resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(25 [pid 3622] mkdir("./77", 0777 [pid 4183] close(23 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... mkdir resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(26 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4190 attached [pid 4183] close(24 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 79 [pid 4190] chdir("./77") = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(27 [pid 4190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4183] close(25 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] <... prctl resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(28 [pid 4190] setpgid(0, 0 [pid 4183] close(26 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] <... setpgid resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(29 [pid 4190] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4183] close(27 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] <... symlink resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] exit_group(0 [pid 4190] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4183] close(28 [pid 4181] <... exit_group resumed>) = ? [pid 4190] <... symlink resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] +++ exited with 0 +++ [pid 4190] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4183] close(29 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4190] <... symlink resumed>) = 0 [pid 4183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4183] exit_group(0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 4190] <... openat resumed>) = 3 [pid 4183] <... exit_group resumed>) = ? [pid 4190] write(3, "1000", 4 [pid 4183] +++ exited with 0 +++ [pid 4190] <... write resumed>) = 4 [pid 3623] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4190] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4190] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... openat resumed>) = 3 [pid 4190] <... symlink resumed>) = 0 [pid 3623] fstat(3, [pid 4190] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4190] <... socket resumed>) = 3 [pid 3623] getdents64(3, [pid 3619] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4190] <... sendmsg resumed>) = 56 [pid 3623] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4190] <... openat resumed>) = 4 [pid 3623] lstat("./75/binderfs", [pid 4190] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] unlink("./75/binderfs" [pid 3619] fstat(3, [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4190] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3623] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 4190] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4190] <... close resumed>) = 0 [pid 3623] lstat("./75/cgroup", [pid 3619] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] close(4 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] <... close resumed>) = 0 [pid 3623] unlink("./75/cgroup" [pid 3619] lstat("./72/binderfs", [pid 4190] close(5 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./72/binderfs" [pid 4190] close(6 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./75/cgroup.net", [pid 3619] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] close(7 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./75/cgroup.net" [pid 4190] close(8) = -1 EBADF (Bad file descriptor) [pid 4190] close(9) = -1 EBADF (Bad file descriptor) [pid 4190] close(10) = -1 EBADF (Bad file descriptor) [pid 4190] close(11) = -1 EBADF (Bad file descriptor) [pid 4190] close(12) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./72/cgroup", [pid 4190] close(13 [pid 3623] umount2("./75/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] close(14 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./75/cpuset.effective_cpus", [pid 4190] close(15) = -1 EBADF (Bad file descriptor) [pid 4190] close(16) = -1 EBADF (Bad file descriptor) [pid 4190] close(17) = -1 EBADF (Bad file descriptor) [pid 4190] close(18) = -1 EBADF (Bad file descriptor) [pid 4190] close(19) = -1 EBADF (Bad file descriptor) [pid 4190] close(20) = -1 EBADF (Bad file descriptor) [pid 4190] close(21) = -1 EBADF (Bad file descriptor) [pid 4190] close(22) = -1 EBADF (Bad file descriptor) [pid 4190] close(23) = -1 EBADF (Bad file descriptor) [pid 4190] close(24) = -1 EBADF (Bad file descriptor) [pid 4190] close(25) = -1 EBADF (Bad file descriptor) [pid 4190] close(26) = -1 EBADF (Bad file descriptor) [pid 4190] close(27) = -1 EBADF (Bad file descriptor) [pid 4190] close(28) = -1 EBADF (Bad file descriptor) [pid 4190] close(29) = -1 EBADF (Bad file descriptor) [pid 4190] exit_group(0 [pid 3619] unlink("./72/cgroup" [pid 4190] <... exit_group resumed>) = ? [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4190] +++ exited with 0 +++ [pid 3623] unlink("./75/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./72/cgroup.net", [pid 3623] lstat("./75/cgroup.cpu", [pid 3622] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./72/cgroup.net" [pid 3623] unlink("./75/cgroup.cpu" [pid 3622] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] umount2("./72/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3622] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./72/cpuset.effective_cpus", [pid 3623] close(3 [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] unlink("./72/cpuset.effective_cpus" [pid 3623] rmdir("./75" [pid 3622] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./76", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4191 attached [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 78 [pid 4191] chdir("./76" [pid 3622] lstat("./77/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4191] <... chdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./72/cgroup.cpu", [pid 4191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] unlink("./77/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4191] <... prctl resumed>) = 0 [pid 4191] setpgid(0, 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./72/cgroup.cpu" [pid 4191] <... setpgid resumed>) = 0 [pid 3622] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4191] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 4191] <... symlink resumed>) = 0 [pid 4191] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] lstat("./77/cgroup", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4191] <... symlink resumed>) = 0 [pid 4191] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] close(3 [pid 4191] <... symlink resumed>) = 0 [pid 3622] unlink("./77/cgroup" [pid 4191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] rmdir("./72" [pid 4191] <... openat resumed>) = 3 [pid 3619] <... rmdir resumed>) = 0 [pid 4191] write(3, "1000", 4 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./73", 0777 [pid 4191] <... write resumed>) = 4 [pid 3622] lstat("./77/cgroup.net", [pid 4191] close(3 [pid 3619] <... mkdir resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4191] <... close resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] unlink("./77/cgroup.net" [pid 4191] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4193 attached [pid 4193] chdir("./73" [pid 3622] <... unlink resumed>) = 0 [pid 4191] <... symlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 75 [pid 3622] umount2("./77/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4191] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4193] <... chdir resumed>) = 0 [pid 4191] <... socket resumed>) = 3 [pid 3622] lstat("./77/cpuset.effective_cpus", [pid 4193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4191] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4193] <... prctl resumed>) = 0 [pid 4191] <... sendmsg resumed>) = 56 [pid 3622] unlink("./77/cpuset.effective_cpus" [pid 4191] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4193] setpgid(0, 0 [pid 3622] <... unlink resumed>) = 0 [pid 4193] <... setpgid resumed>) = 0 [pid 4193] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4191] <... openat resumed>) = 4 [pid 3622] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4191] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4193] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4193] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4193] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4193] write(3, "1000", 4) = 4 [pid 4193] close(3) = 0 [pid 4193] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4193] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4193] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4193] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4193] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./77/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./77") = 0 [pid 3622] mkdir("./78", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4194 attached , child_tidptr=0x5555558f4690) = 80 [pid 4194] chdir("./78") = 0 [pid 4194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4194] setpgid(0, 0) = 0 [pid 4194] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4194] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4194] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4194] write(3, "1000", 4) = 4 [pid 4194] close(3) = 0 [pid 4194] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4194] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4194] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [ 84.344134][ T4191] siw: device registration error -23 [ 84.362151][ T4193] siw: device registration error -23 [pid 4194] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4194] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4194] close(3 [pid 4193] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4191] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4194] <... close resumed>) = 0 [pid 4193] close(3 [pid 4194] close(4) = 0 [pid 4194] close(5) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = 0 [pid 4194] close(6 [pid 4193] close(4 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = 0 [pid 4194] close(7) = -1 EBADF (Bad file descriptor) [pid 4193] close(5 [pid 4194] close(8 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(3 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(6 [pid 4191] <... close resumed>) = 0 [pid 4194] close(9 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(7 [pid 4191] close(4 [pid 4194] close(10) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] <... close resumed>) = 0 [pid 4194] close(11) = -1 EBADF (Bad file descriptor) [pid 4193] close(8 [pid 4194] close(12 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(5 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(9 [pid 4194] close(13 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(6 [pid 4194] close(14) = -1 EBADF (Bad file descriptor) [pid 4193] close(10 [pid 4194] close(15 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] close(16 [pid 4193] close(11 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(7 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] close(17 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(12 [pid 4191] close(8 [pid 4194] close(18 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(13 [pid 4191] close(9 [pid 4194] close(19 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(14 [pid 4194] close(20 [pid 4191] close(10 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] close(15 [pid 4194] close(21 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(11 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] close(22 [pid 4193] close(16 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(12 [pid 4194] close(23 [pid 4193] close(17 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(13 [pid 4194] close(24 [pid 4193] close(18 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(14 [pid 4194] close(25 [pid 4193] close(19 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(15 [pid 4194] close(26 [pid 4193] close(20 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(16 [pid 4194] close(27 [pid 4193] close(21 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(17 [pid 4194] close(28 [pid 4193] close(22 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(18 [pid 4194] close(29 [pid 4193] close(23 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(19 [pid 4194] exit_group(0 [pid 4193] close(24 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... exit_group resumed>) = ? [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(20 [pid 4194] +++ exited with 0 +++ [pid 4193] close(25 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(21 [pid 4193] close(26 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(22 [pid 3622] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4193] close(27 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(23 [pid 3622] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4193] close(28 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(24 [pid 3622] fstat(3, [pid 4193] close(29 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4191] close(25 [pid 3622] getdents64(3, [pid 4193] exit_group(0 [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4193] <... exit_group resumed>) = ? [pid 4191] close(26 [pid 3622] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4193] +++ exited with 0 +++ [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4191] close(27 [pid 3622] lstat("./78/binderfs", [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4191] close(28 [pid 3622] unlink("./78/binderfs" [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4191] close(29 [pid 3622] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4191] exit_group(0 [pid 3622] lstat("./78/cgroup", [pid 3619] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4191] <... exit_group resumed>) = ? [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4191] +++ exited with 0 +++ [pid 3622] unlink("./78/cgroup" [pid 3619] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3622] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./78/cgroup.net", [pid 3619] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] unlink("./78/cgroup.net" [pid 3619] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./78/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./73/binderfs", [pid 3623] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] lstat("./78/cpuset.effective_cpus", [pid 3619] unlink("./73/binderfs" [pid 3623] fstat(3, [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] unlink("./78/cpuset.effective_cpus" [pid 3619] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./73/cgroup", [pid 3623] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./78/cgroup.cpu", [pid 3619] unlink("./73/cgroup" [pid 3623] lstat("./76/binderfs", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./78/cgroup.cpu" [pid 3619] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./76/binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] lstat("./73/cgroup.net", [pid 3623] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] close(3 [pid 3619] unlink("./73/cgroup.net" [pid 3623] lstat("./76/cgroup", [pid 3622] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] rmdir("./78" [pid 3619] umount2("./73/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./76/cgroup" [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] mkdir("./79", 0777 [pid 3619] lstat("./73/cpuset.effective_cpus", [pid 3623] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./73/cpuset.effective_cpus"./strace-static-x86_64: Process 4201 attached [pid 3623] lstat("./76/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 4201] chdir("./79" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 81 [pid 3619] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4201] <... chdir resumed>) = 0 [pid 3623] unlink("./76/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./73/cgroup.cpu", [pid 4201] <... prctl resumed>) = 0 [pid 3623] umount2("./76/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4201] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./73/cgroup.cpu" [pid 4201] <... setpgid resumed>) = 0 [pid 3623] lstat("./76/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 4201] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] getdents64(3, [pid 4201] <... symlink resumed>) = 0 [pid 3623] unlink("./76/cpuset.effective_cpus" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4201] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 4201] <... symlink resumed>) = 0 [pid 3623] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... close resumed>) = 0 [pid 4201] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] rmdir("./73" [pid 4201] <... symlink resumed>) = 0 [pid 3623] lstat("./76/cgroup.cpu", [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] mkdir("./74", 0777 [pid 4201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] unlink("./76/cgroup.cpu" [pid 3619] <... mkdir resumed>) = 0 [pid 4201] <... openat resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4204 attached [pid 4201] write(3, "1000", 4 [pid 3623] getdents64(3, [pid 4204] chdir("./74" [pid 4201] <... write resumed>) = 4 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 76 [pid 4204] <... chdir resumed>) = 0 [pid 4201] close(3 [pid 3623] close(3 [pid 4204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4201] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 4204] <... prctl resumed>) = 0 [pid 4201] symlink("/dev/binderfs", "./binderfs" [pid 3623] rmdir("./76" [pid 4204] setpgid(0, 0 [pid 4201] <... symlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 4204] <... setpgid resumed>) = 0 [pid 4201] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] mkdir("./77", 0777 [pid 4204] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4201] <... socket resumed>) = 3 [pid 3623] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4206 attached [pid 4204] <... symlink resumed>) = 0 [pid 4201] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4206] chdir("./77" [pid 4204] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4201] <... sendmsg resumed>) = 56 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 79 [pid 4206] <... chdir resumed>) = 0 [pid 4204] <... symlink resumed>) = 0 [pid 4201] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4204] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4201] <... openat resumed>) = 4 [pid 4206] <... prctl resumed>) = 0 [pid 4204] <... symlink resumed>) = 0 [pid 4201] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4206] setpgid(0, 0) = 0 [pid 4204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4206] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4204] <... openat resumed>) = 3 [pid 4206] <... symlink resumed>) = 0 [pid 4204] write(3, "1000", 4 [pid 4206] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4204] <... write resumed>) = 4 [pid 4206] <... symlink resumed>) = 0 [pid 4204] close(3 [pid 4206] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4204] <... close resumed>) = 0 [pid 4206] <... symlink resumed>) = 0 [pid 4204] symlink("/dev/binderfs", "./binderfs" [pid 4206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4204] <... symlink resumed>) = 0 [pid 4206] <... openat resumed>) = 3 [pid 4204] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4206] write(3, "1000", 4 [pid 4204] <... socket resumed>) = 3 [pid 4206] <... write resumed>) = 4 [pid 4204] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4206] close(3) = 0 [pid 4204] <... sendmsg resumed>) = 56 [pid 4206] symlink("/dev/binderfs", "./binderfs" [pid 4204] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4206] <... symlink resumed>) = 0 [pid 4204] <... openat resumed>) = 4 [pid 4206] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4204] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4206] <... socket resumed>) = 3 [pid 4206] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4206] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4206] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4204] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4206] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4204] close(3 [pid 4201] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4206] close(3) = 0 [pid 4204] <... close resumed>) = 0 [pid 4201] close(3 [pid 4206] close(4 [pid 4204] close(4 [pid 4201] <... close resumed>) = 0 [pid 4206] <... close resumed>) = 0 [pid 4204] <... close resumed>) = 0 [pid 4201] close(4 [pid 4206] close(5 [pid 4204] close(5 [pid 4201] <... close resumed>) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(5 [pid 4206] close(6 [pid 4204] close(6 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(6 [pid 4206] close(7 [pid 4204] close(7 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 84.643944][ T4204] siw: device registration error -23 [ 84.658017][ T4206] siw: device registration error -23 [pid 4201] close(7 [pid 4206] close(8 [pid 4204] close(8 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(8 [pid 4206] close(9 [pid 4204] close(9 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(9 [pid 4206] close(10 [pid 4204] close(10 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(10 [pid 4206] close(11 [pid 4204] close(11 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(11 [pid 4206] close(12) = -1 EBADF (Bad file descriptor) [pid 4206] close(13) = -1 EBADF (Bad file descriptor) [pid 4206] close(14) = -1 EBADF (Bad file descriptor) [pid 4204] close(12 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(15 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(12 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(13 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(16 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(13 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(14 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(17 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(14 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(15 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(15 [pid 4204] close(16 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(16 [pid 4204] close(17 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(17 [pid 4204] close(18 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(18 [pid 4204] close(19 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(19 [pid 4204] close(20 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(20 [pid 4204] close(21 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(21 [pid 4204] close(22 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(22 [pid 4206] close(18 [pid 4204] close(23 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(23 [pid 4206] close(19 [pid 4204] close(24 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(24 [pid 4206] close(20 [pid 4204] close(25 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(25 [pid 4206] close(21 [pid 4204] close(26 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(26 [pid 4206] close(22 [pid 4204] close(27 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(27 [pid 4206] close(23 [pid 4204] close(28 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(28 [pid 4206] close(24 [pid 4204] close(29 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4201] close(29 [pid 4206] close(25) = -1 EBADF (Bad file descriptor) [pid 4204] exit_group(0 [pid 4201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(26 [pid 4204] <... exit_group resumed>) = ? [pid 4201] exit_group(0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(27) = -1 EBADF (Bad file descriptor) [pid 4204] +++ exited with 0 +++ [pid 4201] <... exit_group resumed>) = ? [pid 4206] close(28 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4206] close(29 [pid 4201] +++ exited with 0 +++ [pid 3619] <... restart_syscall resumed>) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4206] exit_group(0) = ? [pid 3619] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] +++ exited with 0 +++ [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... openat resumed>) = 3 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] getdents64(3, [pid 3623] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3619] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... openat resumed>) = 3 [pid 3622] getdents64(3, [pid 3619] lstat("./74/binderfs", [pid 3623] fstat(3, [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./74/binderfs" [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] lstat("./79/binderfs", [pid 3619] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./79/binderfs" [pid 3619] lstat("./74/cgroup", [pid 3623] lstat("./77/binderfs", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./74/cgroup" [pid 3623] unlink("./77/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./79/cgroup", [pid 3619] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./79/cgroup" [pid 3619] lstat("./74/cgroup.net", [pid 3623] lstat("./77/cgroup", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./74/cgroup.net" [pid 3623] unlink("./77/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./79/cgroup.net", [pid 3619] umount2("./74/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./79/cgroup.net" [pid 3619] lstat("./74/cpuset.effective_cpus", [pid 3623] lstat("./77/cgroup.net", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./79/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./74/cpuset.effective_cpus" [pid 3623] unlink("./77/cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./79/cpuset.effective_cpus", [pid 3619] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./77/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./79/cpuset.effective_cpus" [pid 3619] lstat("./74/cgroup.cpu", [pid 3623] lstat("./77/cpuset.effective_cpus", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./74/cgroup.cpu" [pid 3623] unlink("./77/cpuset.effective_cpus" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./79/cgroup.cpu", [pid 3619] getdents64(3, [pid 3623] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./79/cgroup.cpu" [pid 3619] close(3 [pid 3623] lstat("./77/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] rmdir("./74" [pid 3623] unlink("./77/cgroup.cpu" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] close(3 [pid 3619] mkdir("./75", 0777 [pid 3623] getdents64(3, [pid 3622] <... close resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] rmdir("./79" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4210 attached [pid 3623] close(3 [pid 3622] <... rmdir resumed>) = 0 [pid 4210] chdir("./75" [pid 3623] <... close resumed>) = 0 [pid 3622] mkdir("./80", 0777 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 77 [pid 4210] <... chdir resumed>) = 0 [pid 3623] rmdir("./77" [pid 3622] <... mkdir resumed>) = 0 [pid 4210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... rmdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4212 attached [pid 4210] <... prctl resumed>) = 0 [pid 3623] mkdir("./78", 0777 [pid 4212] chdir("./80" [pid 4210] setpgid(0, 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 82 [pid 4210] <... setpgid resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4213 attached [pid 4212] <... chdir resumed>) = 0 [pid 4210] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4213] chdir("./78" [pid 4212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4210] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 80 [pid 4210] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4213] <... chdir resumed>) = 0 [pid 4212] <... prctl resumed>) = 0 [pid 4210] <... symlink resumed>) = 0 [pid 4210] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4212] setpgid(0, 0 [pid 4210] <... symlink resumed>) = 0 [pid 4210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4213] <... prctl resumed>) = 0 [pid 4212] <... setpgid resumed>) = 0 [pid 4210] <... openat resumed>) = 3 [pid 4210] write(3, "1000", 4 [pid 4213] setpgid(0, 0 [pid 4212] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4210] <... write resumed>) = 4 [pid 4210] close(3) = 0 [pid 4213] <... setpgid resumed>) = 0 [pid 4210] symlink("/dev/binderfs", "./binderfs" [pid 4213] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4212] <... symlink resumed>) = 0 [pid 4210] <... symlink resumed>) = 0 [pid 4210] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4213] <... symlink resumed>) = 0 [pid 4212] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4210] <... socket resumed>) = 3 [pid 4210] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4212] <... symlink resumed>) = 0 [pid 4213] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4210] <... sendmsg resumed>) = 56 [pid 4210] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4210] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4213] <... symlink resumed>) = 0 [pid 4212] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4213] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4212] <... symlink resumed>) = 0 [pid 4213] <... symlink resumed>) = 0 [pid 4212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4212] <... openat resumed>) = 3 [pid 4213] <... openat resumed>) = 3 [pid 4212] write(3, "1000", 4 [pid 4213] write(3, "1000", 4 [pid 4212] <... write resumed>) = 4 [pid 4213] <... write resumed>) = 4 [pid 4212] close(3 [pid 4213] close(3 [pid 4212] <... close resumed>) = 0 [pid 4213] <... close resumed>) = 0 [pid 4212] symlink("/dev/binderfs", "./binderfs" [pid 4213] symlink("/dev/binderfs", "./binderfs" [pid 4212] <... symlink resumed>) = 0 [pid 4213] <... symlink resumed>) = 0 [pid 4212] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4213] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4212] <... socket resumed>) = 3 [pid 4213] <... socket resumed>) = 3 [pid 4212] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4213] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4212] <... sendmsg resumed>) = 56 [pid 4213] <... sendmsg resumed>) = 56 [pid 4212] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4213] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 84.858875][ T4210] siw: device registration error -23 [pid 4212] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4213] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4212] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4212] close(3 [pid 4213] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4212] <... close resumed>) = 0 [pid 4210] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4213] close(3 [pid 4212] close(4 [pid 4210] close(3 [pid 4213] <... close resumed>) = 0 [pid 4212] <... close resumed>) = 0 [pid 4210] <... close resumed>) = 0 [pid 4213] close(4 [pid 4212] close(5 [pid 4210] close(4 [pid 4213] <... close resumed>) = 0 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = 0 [pid 4213] close(5 [pid 4212] close(6 [pid 4210] close(5 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(6 [pid 4212] close(7 [pid 4210] close(6 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(7 [ 84.902820][ T4213] siw: device registration error -23 [pid 4212] close(8 [pid 4210] close(7 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(8 [pid 4212] close(9 [pid 4210] close(8 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(9 [pid 4212] close(10 [pid 4210] close(9 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(10 [pid 4212] close(11 [pid 4210] close(10 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(11 [pid 4212] close(12 [pid 4210] close(11 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(12 [pid 4212] close(13 [pid 4210] close(12 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(13 [pid 4212] close(14 [pid 4210] close(13 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(14 [pid 4212] close(15 [pid 4210] close(14 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(15 [pid 4212] close(16 [pid 4210] close(15 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(16 [pid 4212] close(17 [pid 4210] close(16 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(17 [pid 4212] close(18 [pid 4210] close(17 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(18 [pid 4212] close(19 [pid 4210] close(18 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(19 [pid 4212] close(20 [pid 4210] close(19 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(20 [pid 4212] close(21 [pid 4210] close(20 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(21 [pid 4212] close(22 [pid 4210] close(21 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(22 [pid 4212] close(23 [pid 4210] close(22 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(23 [pid 4212] close(24 [pid 4210] close(23 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(24 [pid 4212] close(25 [pid 4210] close(24 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(25 [pid 4212] close(26 [pid 4210] close(25 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(26 [pid 4212] close(27 [pid 4210] close(26 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(27 [pid 4212] close(28 [pid 4210] close(27 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(28 [pid 4212] close(29 [pid 4210] close(28 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] close(29 [pid 4212] exit_group(0 [pid 4210] close(29 [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] <... exit_group resumed>) = ? [pid 4210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] exit_group(0 [pid 4212] +++ exited with 0 +++ [pid 4210] exit_group(0 [pid 4213] <... exit_group resumed>) = ? [pid 4210] <... exit_group resumed>) = ? [pid 4213] +++ exited with 0 +++ [pid 4210] +++ exited with 0 +++ [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3623] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] fstat(3, [pid 3622] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3622] fstat(3, [pid 3619] fstat(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] lstat("./78/binderfs", [pid 3622] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./78/binderfs" [pid 3622] lstat("./80/binderfs", [pid 3619] lstat("./75/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./80/binderfs" [pid 3619] unlink("./75/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./78/cgroup", [pid 3622] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./78/cgroup" [pid 3622] lstat("./80/cgroup", [pid 3619] lstat("./75/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./80/cgroup" [pid 3619] unlink("./75/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./78/cgroup.net", [pid 3622] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./78/cgroup.net" [pid 3622] lstat("./80/cgroup.net", [pid 3619] lstat("./75/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./78/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./80/cgroup.net" [pid 3619] unlink("./75/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./78/cpuset.effective_cpus", [pid 3622] umount2("./80/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./75/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./78/cpuset.effective_cpus" [pid 3622] lstat("./80/cpuset.effective_cpus", [pid 3619] lstat("./75/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./75/cpuset.effective_cpus" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./80/cpuset.effective_cpus" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./75/cgroup.cpu", [pid 3623] lstat("./78/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./78/cgroup.cpu" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./75/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./80/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] unlink("./80/cgroup.cpu" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3623] <... close resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3623] rmdir("./78" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] rmdir("./75" [pid 3623] <... rmdir resumed>) = 0 [pid 3622] close(3 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] mkdir("./79", 0777 [pid 3622] <... close resumed>) = 0 [pid 3619] mkdir("./76", 0777 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] rmdir("./80" [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4217 attached [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... rmdir resumed>) = 0 [pid 4217] chdir("./76" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 78 ./strace-static-x86_64: Process 4218 attached [pid 3622] mkdir("./81", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4219 attached [pid 4218] chdir("./79" [pid 4217] <... chdir resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 81 [pid 4219] chdir("./81" [pid 4218] <... chdir resumed>) = 0 [pid 4217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 83 [pid 4219] <... chdir resumed>) = 0 [pid 4219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4219] setpgid(0, 0) = 0 [pid 4218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4217] <... prctl resumed>) = 0 [pid 4219] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4218] <... prctl resumed>) = 0 [pid 4217] setpgid(0, 0 [pid 4219] <... symlink resumed>) = 0 [pid 4218] setpgid(0, 0 [pid 4217] <... setpgid resumed>) = 0 [pid 4219] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4218] <... setpgid resumed>) = 0 [pid 4217] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4219] <... symlink resumed>) = 0 [pid 4218] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4219] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4217] <... symlink resumed>) = 0 [pid 4219] <... symlink resumed>) = 0 [pid 4218] <... symlink resumed>) = 0 [pid 4219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4219] write(3, "1000", 4 [pid 4217] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4218] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4219] <... write resumed>) = 4 [pid 4217] <... symlink resumed>) = 0 [pid 4219] close(3 [pid 4218] <... symlink resumed>) = 0 [pid 4217] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4219] <... close resumed>) = 0 [pid 4218] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4217] <... symlink resumed>) = 0 [pid 4219] symlink("/dev/binderfs", "./binderfs" [pid 4218] <... symlink resumed>) = 0 [pid 4217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4219] <... symlink resumed>) = 0 [pid 4219] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4219] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4219] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4217] <... openat resumed>) = 3 [pid 4219] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4218] <... openat resumed>) = 3 [pid 4217] write(3, "1000", 4 [pid 4218] write(3, "1000", 4 [pid 4217] <... write resumed>) = 4 [pid 4218] <... write resumed>) = 4 [pid 4217] close(3 [pid 4218] close(3 [pid 4217] <... close resumed>) = 0 [pid 4218] <... close resumed>) = 0 [pid 4217] symlink("/dev/binderfs", "./binderfs" [pid 4218] symlink("/dev/binderfs", "./binderfs" [pid 4217] <... symlink resumed>) = 0 [pid 4218] <... symlink resumed>) = 0 [pid 4217] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4218] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4217] <... socket resumed>) = 3 [pid 4218] <... socket resumed>) = 3 [pid 4217] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4218] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4217] <... sendmsg resumed>) = 56 [pid 4218] <... sendmsg resumed>) = 56 [pid 4217] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4218] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4217] <... openat resumed>) = 4 [pid 4218] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4217] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4218] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4218] close(3 [pid 4217] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4218] <... close resumed>) = 0 [pid 4217] close(3 [pid 4218] close(4) = 0 [pid 4217] <... close resumed>) = 0 [pid 4218] close(5 [pid 4217] close(4 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] <... close resumed>) = 0 [pid 4218] close(6 [pid 4217] close(5 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(7) = -1 EBADF (Bad file descriptor) [pid 4217] close(6 [ 85.098198][ T4217] siw: device registration error -23 [ 85.098471][ T4218] siw: device registration error -23 [pid 4218] close(8) = -1 EBADF (Bad file descriptor) [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(9 [pid 4217] close(7 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4218] close(10 [pid 4217] close(8) = -1 EBADF (Bad file descriptor) [pid 4219] close(3 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(9 [pid 4218] close(11 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(10 [pid 4218] close(12 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(11 [pid 4218] close(13 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(12 [pid 4218] close(14 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(13 [pid 4218] close(15 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(14 [pid 4218] close(16 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(15 [pid 4218] close(17 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(16 [pid 4219] <... close resumed>) = 0 [pid 4218] close(18 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(4 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(17 [pid 4219] <... close resumed>) = 0 [pid 4218] close(19 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(5 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(18 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(20 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(6 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(19 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(21 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(7 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(20 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(22 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(8 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(21 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(23 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(9 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(22 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(24 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(10 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(23 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(25 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(11 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(24 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(26 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(12 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(25 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(27 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(13 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(26 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(28 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(14 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(27 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(29 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(15 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(28 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] exit_group(0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(16 [pid 4218] <... exit_group resumed>) = ? [pid 4217] close(29 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] +++ exited with 0 +++ [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] close(17 [pid 4217] exit_group(0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] <... exit_group resumed>) = ? [pid 4219] close(18 [pid 4217] +++ exited with 0 +++ [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4219] close(19 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4219] close(20 [pid 3623] <... openat resumed>) = 3 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 4219] close(21 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3619] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4219] close(22 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4219] close(23 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./79/binderfs", [pid 3619] fstat(3, [pid 4219] close(24 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./79/binderfs" [pid 3619] getdents64(3, [pid 4219] close(25 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4219] close(26 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./79/cgroup", [pid 3619] lstat("./76/binderfs", [pid 4219] close(27 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./79/cgroup" [pid 3619] unlink("./76/binderfs" [pid 4219] close(28 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4219] close(29 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./79/cgroup.net", [pid 3619] lstat("./76/cgroup", [pid 4219] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4219] <... exit_group resumed>) = ? [pid 3623] unlink("./79/cgroup.net" [pid 3619] unlink("./76/cgroup" [pid 4219] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./79/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./79/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./76/cgroup.net", [pid 3623] unlink("./79/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./76/cgroup.net" [pid 3623] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] lstat("./79/cgroup.cpu", [pid 3622] fstat(3, [pid 3619] umount2("./76/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./79/cgroup.cpu" [pid 3622] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./76/cpuset.effective_cpus", [pid 3623] getdents64(3, [pid 3622] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] close(3 [pid 3622] lstat("./81/binderfs", [pid 3619] unlink("./76/cpuset.effective_cpus" [pid 3623] <... close resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./81/binderfs") = 0 [pid 3623] rmdir("./79" [pid 3622] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] mkdir("./80", 0777 [pid 3622] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3622] unlink("./81/cgroup" [pid 3619] lstat("./76/cgroup.cpu", [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4224 attached [pid 3622] lstat("./81/cgroup.net", [pid 3619] unlink("./76/cgroup.cpu" [pid 4224] chdir("./80" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 82 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4224] <... chdir resumed>) = 0 [pid 3622] unlink("./81/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 4224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 4224] <... prctl resumed>) = 0 [pid 3622] umount2("./81/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4224] setpgid(0, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4224] <... setpgid resumed>) = 0 [pid 3622] lstat("./81/cpuset.effective_cpus", [pid 3619] close(3 [pid 4224] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4224] <... symlink resumed>) = 0 [pid 3622] unlink("./81/cpuset.effective_cpus" [pid 3619] <... close resumed>) = 0 [pid 4224] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] rmdir("./76" [pid 4224] <... symlink resumed>) = 0 [pid 3622] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4224] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] lstat("./81/cgroup.cpu", [pid 3619] <... rmdir resumed>) = 0 [pid 4224] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] mkdir("./77", 0777 [pid 4224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] unlink("./81/cgroup.cpu") = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 4224] <... openat resumed>) = 3 [pid 3622] getdents64(3, [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4224] write(3, "1000", 4 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./81"./strace-static-x86_64: Process 4225 attached [pid 4224] <... write resumed>) = 4 [pid 3622] <... rmdir resumed>) = 0 [pid 4225] chdir("./77" [pid 4224] close(3 [pid 3622] mkdir("./82", 0777 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 79 [pid 4225] <... chdir resumed>) = 0 [pid 4224] <... close resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 4225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4226 attached [pid 4225] <... prctl resumed>) = 0 [pid 4226] chdir("./82" [pid 4225] setpgid(0, 0 [pid 4226] <... chdir resumed>) = 0 [pid 4225] <... setpgid resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 84 [pid 4226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4225] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4224] symlink("/dev/binderfs", "./binderfs" [pid 4226] <... prctl resumed>) = 0 [pid 4225] <... symlink resumed>) = 0 [pid 4226] setpgid(0, 0 [pid 4225] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4226] <... setpgid resumed>) = 0 [pid 4225] <... symlink resumed>) = 0 [pid 4224] <... symlink resumed>) = 0 [pid 4226] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4225] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4226] <... symlink resumed>) = 0 [pid 4225] <... symlink resumed>) = 0 [pid 4224] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4226] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4226] <... symlink resumed>) = 0 [pid 4225] <... openat resumed>) = 3 [pid 4224] <... socket resumed>) = 3 [pid 4226] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4225] write(3, "1000", 4 [pid 4226] <... symlink resumed>) = 0 [pid 4225] <... write resumed>) = 4 [pid 4224] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4225] close(3 [pid 4226] <... openat resumed>) = 3 [pid 4225] <... close resumed>) = 0 [pid 4224] <... sendmsg resumed>) = 56 [pid 4226] write(3, "1000", 4 [pid 4225] symlink("/dev/binderfs", "./binderfs" [pid 4224] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4226] <... write resumed>) = 4 [pid 4225] <... symlink resumed>) = 0 [pid 4226] close(3 [pid 4225] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4226] <... close resumed>) = 0 [pid 4225] <... socket resumed>) = 3 [pid 4224] <... openat resumed>) = 4 [pid 4226] symlink("/dev/binderfs", "./binderfs" [pid 4225] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4226] <... symlink resumed>) = 0 [pid 4225] <... sendmsg resumed>) = 56 [pid 4226] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4225] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4226] <... socket resumed>) = 3 [pid 4225] <... openat resumed>) = 4 [pid 4226] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4225] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4226] <... sendmsg resumed>) = 56 [pid 4224] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4226] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4226] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4224] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4224] close(3) = 0 [pid 4226] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4224] close(4 [pid 4226] close(3 [pid 4224] <... close resumed>) = 0 [pid 4226] <... close resumed>) = 0 [pid 4226] close(4 [pid 4224] close(5 [pid 4226] <... close resumed>) = 0 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(5 [pid 4224] close(6 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(6 [pid 4224] close(7 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(7 [pid 4224] close(8 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(9 [pid 4226] close(8 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 85.334572][ T4224] siw: device registration error -23 [ 85.339837][ T4225] siw: device registration error -23 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(10 [pid 4226] close(9) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(10 [pid 4224] close(11 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(11 [pid 4224] close(12 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(12 [pid 4224] close(13) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(14) = -1 EBADF (Bad file descriptor) [pid 4226] close(13 [pid 4224] close(15) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(16 [pid 4226] close(14 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(17 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(15 [pid 4224] close(18 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(16 [pid 4224] close(19 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(17 [pid 4224] close(20 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(18) = -1 EBADF (Bad file descriptor) [pid 4224] close(21 [pid 4226] close(19 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4224] close(22 [pid 4226] close(20 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(23 [pid 4226] close(21 [pid 4225] close(3 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] <... close resumed>) = 0 [pid 4224] close(24 [pid 4226] close(22 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(25 [pid 4226] close(23 [pid 4225] close(4 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] <... close resumed>) = 0 [pid 4224] close(26 [pid 4226] close(24 [pid 4225] close(5 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(27 [pid 4226] close(25 [pid 4225] close(6 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(28 [pid 4226] close(26 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(27 [pid 4224] close(29 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(28 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] close(7 [pid 4226] close(29 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] exit_group(0 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] close(8 [pid 4224] <... exit_group resumed>) = ? [pid 4226] exit_group(0 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] close(9) = -1 EBADF (Bad file descriptor) [pid 4225] close(10) = -1 EBADF (Bad file descriptor) [pid 4225] close(11) = -1 EBADF (Bad file descriptor) [pid 4225] close(12) = -1 EBADF (Bad file descriptor) [pid 4225] close(13) = -1 EBADF (Bad file descriptor) [pid 4225] close(14 [pid 4224] +++ exited with 0 +++ [pid 4226] <... exit_group resumed>) = ? [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4225] close(15) = -1 EBADF (Bad file descriptor) [pid 4225] close(16) = -1 EBADF (Bad file descriptor) [pid 4225] close(17) = -1 EBADF (Bad file descriptor) [pid 4225] close(18) = -1 EBADF (Bad file descriptor) [pid 4225] close(19) = -1 EBADF (Bad file descriptor) [pid 4226] +++ exited with 0 +++ [pid 4225] close(20) = -1 EBADF (Bad file descriptor) [pid 4225] close(21 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4225] close(22 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4225] close(23 [pid 3622] <... openat resumed>) = 3 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 4225] close(24 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 4225] close(25 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4225] close(26 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3622] lstat("./82/binderfs", [pid 4225] close(27 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3622] unlink("./82/binderfs" [pid 4225] close(28 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... unlink resumed>) = 0 [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4225] close(29 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./80/binderfs", [pid 3622] lstat("./82/cgroup", [pid 4225] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4225] <... exit_group resumed>) = ? [pid 3623] unlink("./80/binderfs" [pid 3622] unlink("./82/cgroup" [pid 4225] +++ exited with 0 +++ [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./82/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./82/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./82/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./80/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./82/cpuset.effective_cpus", [pid 3619] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./80/cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./82/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./80/cgroup.net", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./82/cgroup.cpu", [pid 3623] unlink("./80/cgroup.net" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] unlink("./82/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] umount2("./80/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] lstat("./80/cpuset.effective_cpus", [pid 3622] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./80/cpuset.effective_cpus" [pid 3622] rmdir("./82") = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./83", 0777) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4229 attached [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./77/binderfs", [pid 3623] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4229] chdir("./83" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 85 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] lstat("./80/cgroup.cpu", [pid 3619] unlink("./77/binderfs" [pid 4229] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./80/cgroup.cpu" [pid 4229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 4229] setpgid(0, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3619] lstat("./77/cgroup", [pid 3623] <... close resumed>) = 0 [pid 4229] <... setpgid resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] rmdir("./80" [pid 4229] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... rmdir resumed>) = 0 [pid 3619] unlink("./77/cgroup" [pid 4229] <... symlink resumed>) = 0 [pid 3623] mkdir("./81", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 4229] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] <... mkdir resumed>) = 0 [pid 3619] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4229] <... symlink resumed>) = 0 [pid 3619] lstat("./77/cgroup.net", [pid 4229] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 ./strace-static-x86_64: Process 4230 attached [pid 4229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4230] chdir("./81" [pid 3619] unlink("./77/cgroup.net" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 83 [pid 4230] <... chdir resumed>) = 0 [pid 4229] <... openat resumed>) = 3 [pid 4230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... unlink resumed>) = 0 [pid 4230] <... prctl resumed>) = 0 [pid 4229] write(3, "1000", 4 [pid 4230] setpgid(0, 0 [pid 3619] umount2("./77/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4230] <... setpgid resumed>) = 0 [pid 4229] <... write resumed>) = 4 [pid 4230] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4230] <... symlink resumed>) = 0 [pid 4229] close(3 [pid 3619] lstat("./77/cpuset.effective_cpus", [pid 4230] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4229] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4230] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4229] symlink("/dev/binderfs", "./binderfs" [pid 4230] <... symlink resumed>) = 0 [pid 4229] <... symlink resumed>) = 0 [pid 3619] unlink("./77/cpuset.effective_cpus" [pid 4230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4229] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4230] <... openat resumed>) = 3 [pid 4229] <... socket resumed>) = 3 [pid 4230] write(3, "1000", 4 [pid 4229] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4230] <... write resumed>) = 4 [pid 4229] <... sendmsg resumed>) = 56 [pid 4230] close(3 [pid 4229] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4230] <... close resumed>) = 0 [pid 4229] <... openat resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4230] symlink("/dev/binderfs", "./binderfs" [pid 4229] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4230] <... symlink resumed>) = 0 [pid 3619] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4230] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4230] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4230] <... sendmsg resumed>) = 56 [pid 4230] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3619] lstat("./77/cgroup.cpu", [pid 4230] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./77/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./77") = 0 [pid 3619] mkdir("./78", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4232 attached , child_tidptr=0x5555558f4690) = 80 [pid 4232] chdir("./78") = 0 [pid 4232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4232] setpgid(0, 0) = 0 [pid 4232] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4232] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4232] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4232] write(3, "1000", 4) = 4 [ 85.503152][ T4230] siw: device registration error -23 [pid 4232] close(3) = 0 [pid 4232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4232] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4232] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4232] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4232] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4230] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4229] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4232] close(3 [pid 4230] close(3 [pid 4229] close(3 [pid 4232] <... close resumed>) = 0 [pid 4230] <... close resumed>) = 0 [pid 4229] <... close resumed>) = 0 [pid 4232] close(4 [pid 4230] close(4 [pid 4229] close(4 [pid 4232] <... close resumed>) = 0 [pid 4229] <... close resumed>) = 0 [pid 4230] <... close resumed>) = 0 [pid 4232] close(5 [pid 4229] close(5 [pid 4230] close(5 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(6 [pid 4230] close(6 [pid 4229] close(6 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(7 [pid 4230] close(7 [pid 4229] close(7 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(8 [pid 4230] close(8 [pid 4229] close(8 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(9 [pid 4230] close(9 [pid 4229] close(9 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(10 [pid 4230] close(10 [pid 4229] close(10 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(11 [pid 4230] close(11 [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(11 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] close(12 [pid 4230] close(12 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(12 [pid 4232] close(13 [pid 4230] close(13 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(13 [pid 4232] close(14 [pid 4230] close(14 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(14 [pid 4232] close(15 [pid 4230] close(15 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(15 [pid 4232] close(16 [pid 4230] close(16 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(16 [pid 4232] close(17 [pid 4230] close(17 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(17 [pid 4232] close(18 [pid 4230] close(18 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(18 [pid 4232] close(19 [pid 4230] close(19 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(19 [pid 4232] close(20 [pid 4230] close(20 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(20 [pid 4232] close(21 [pid 4230] close(21 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(21 [pid 4232] close(22 [pid 4230] close(22 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(22 [pid 4232] close(23 [pid 4230] close(23 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(23 [pid 4232] close(24 [pid 4230] close(24 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(24 [pid 4232] close(25 [pid 4230] close(25 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(25 [pid 4232] close(26 [pid 4230] close(26 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(26 [pid 4232] close(27 [pid 4230] close(27 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(27 [pid 4232] close(28 [pid 4230] close(28 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(28 [pid 4232] close(29 [pid 4230] close(29 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(29 [pid 4232] exit_group(0 [pid 4230] exit_group(0 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 85.573452][ T4232] siw: device registration error -23 [pid 4232] <... exit_group resumed>) = ? [pid 4230] <... exit_group resumed>) = ? [pid 4229] exit_group(0 [pid 4232] +++ exited with 0 +++ [pid 4230] +++ exited with 0 +++ [pid 4229] <... exit_group resumed>) = ? [pid 4229] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] getdents64(3, [pid 3623] <... openat resumed>) = 3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] fstat(3, [pid 3622] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3622] lstat("./83/binderfs", [pid 3619] fstat(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./83/binderfs" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./81/binderfs", [pid 3622] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./81/binderfs" [pid 3622] lstat("./83/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./83/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] lstat("./81/cgroup", [pid 3622] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./81/cgroup" [pid 3622] lstat("./83/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./78/binderfs" [pid 3623] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./83/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./81/cgroup.net", [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./83/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./78/cgroup", [pid 3623] unlink("./81/cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./83/cpuset.effective_cpus", [pid 3619] unlink("./78/cgroup" [pid 3623] umount2("./81/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./83/cpuset.effective_cpus" [pid 3619] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./81/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./78/cgroup.net") = 0 [pid 3619] umount2("./78/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./78/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./78/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./81/cpuset.effective_cpus" [pid 3619] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./78/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./78" [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./79", 0777 [pid 3623] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./83/cgroup.cpu", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4237 attached [pid 3623] lstat("./81/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./83/cgroup.cpu" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 81 [pid 4237] chdir("./79" [pid 3622] <... unlink resumed>) = 0 [pid 4237] <... chdir resumed>) = 0 [pid 3623] unlink("./81/cgroup.cpu" [pid 3622] getdents64(3, [pid 4237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 4237] <... prctl resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4237] setpgid(0, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4237] <... setpgid resumed>) = 0 [pid 3623] close(3 [pid 3622] close(3 [pid 4237] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3622] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 4237] <... symlink resumed>) = 0 [pid 3623] rmdir("./81" [pid 4237] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] rmdir("./83" [pid 4237] <... symlink resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 4237] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3623] mkdir("./82", 0777 [pid 3622] mkdir("./84", 0777 [pid 4237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 4237] <... openat resumed>) = 3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4238 attached ./strace-static-x86_64: Process 4239 attached [pid 4237] write(3, "1000", 4) = 4 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 86 [pid 4238] chdir("./84" [pid 4237] close(3 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 84 [pid 4239] chdir("./82" [pid 4238] <... chdir resumed>) = 0 [pid 4239] <... chdir resumed>) = 0 [pid 4238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4238] <... prctl resumed>) = 0 [pid 4239] <... prctl resumed>) = 0 [pid 4239] setpgid(0, 0 [pid 4238] setpgid(0, 0 [pid 4237] <... close resumed>) = 0 [pid 4239] <... setpgid resumed>) = 0 [pid 4238] <... setpgid resumed>) = 0 [pid 4237] symlink("/dev/binderfs", "./binderfs" [pid 4239] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4238] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4237] <... symlink resumed>) = 0 [pid 4239] <... symlink resumed>) = 0 [pid 4237] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4239] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4238] <... symlink resumed>) = 0 [pid 4237] <... socket resumed>) = 3 [pid 4239] <... symlink resumed>) = 0 [pid 4238] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4237] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4239] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4238] <... symlink resumed>) = 0 [pid 4237] <... sendmsg resumed>) = 56 [pid 4239] <... symlink resumed>) = 0 [pid 4238] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4237] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4238] <... symlink resumed>) = 0 [pid 4237] <... openat resumed>) = 4 [pid 4237] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4239] <... openat resumed>) = 3 [pid 4238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4239] write(3, "1000", 4 [pid 4238] <... openat resumed>) = 3 [pid 4239] <... write resumed>) = 4 [pid 4239] close(3 [pid 4238] write(3, "1000", 4 [pid 4239] <... close resumed>) = 0 [pid 4238] <... write resumed>) = 4 [pid 4239] symlink("/dev/binderfs", "./binderfs" [pid 4238] close(3 [pid 4239] <... symlink resumed>) = 0 [pid 4238] <... close resumed>) = 0 [pid 4239] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4239] <... socket resumed>) = 3 [pid 4238] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4239] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4238] <... socket resumed>) = 3 [pid 4239] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4238] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4239] <... openat resumed>) = 4 [pid 4238] <... sendmsg resumed>) = 56 [pid 4239] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4238] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4238] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4237] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4238] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4237] close(3) = 0 [pid 4238] close(3 [pid 4237] close(4) = 0 [pid 4238] <... close resumed>) = 0 [pid 4237] close(5 [pid 4238] close(4 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = 0 [pid 4237] close(6 [pid 4238] close(5 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(7 [pid 4238] close(6 [pid 4239] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] close(7 [pid 4237] close(8 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 85.716552][ T4237] siw: device registration error -23 [ 85.743288][ T4239] siw: device registration error -23 [pid 4238] close(8 [pid 4237] close(9 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] close(9 [pid 4237] close(10 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] close(10 [pid 4237] close(11 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] close(11 [pid 4237] close(12 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] close(12 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(13 [pid 4239] close(3 [pid 4238] close(13 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = 0 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(14 [pid 4239] close(4 [pid 4238] close(14 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(15 [pid 4238] close(15 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = 0 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(16 [pid 4239] close(5 [pid 4238] close(16 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(17 [pid 4239] close(6 [pid 4238] close(17 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(18 [pid 4239] close(7 [pid 4238] close(18 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(19 [pid 4239] close(8 [pid 4238] close(19 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(20 [pid 4239] close(9 [pid 4238] close(20 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(21 [pid 4239] close(10 [pid 4238] close(21 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(22 [pid 4239] close(11 [pid 4238] close(22 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] close(12) = -1 EBADF (Bad file descriptor) [pid 4239] close(13) = -1 EBADF (Bad file descriptor) [pid 4239] close(14) = -1 EBADF (Bad file descriptor) [pid 4239] close(15) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(23 [pid 4239] close(16 [pid 4238] close(23 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(24 [pid 4239] close(17 [pid 4238] close(24 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(25 [pid 4239] close(18 [pid 4238] close(25 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(26 [pid 4239] close(19 [pid 4238] close(26 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(27 [pid 4239] close(20 [pid 4238] close(27 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(28 [pid 4239] close(21) = -1 EBADF (Bad file descriptor) [pid 4239] close(22) = -1 EBADF (Bad file descriptor) [pid 4239] close(23) = -1 EBADF (Bad file descriptor) [pid 4239] close(24) = -1 EBADF (Bad file descriptor) [pid 4239] close(25) = -1 EBADF (Bad file descriptor) [pid 4238] close(28 [pid 4239] close(26 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] close(27 [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(29 [pid 4238] close(29 [pid 4237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] exit_group(0 [pid 4238] exit_group(0 [pid 4237] <... exit_group resumed>) = ? [pid 4238] <... exit_group resumed>) = ? [pid 4237] +++ exited with 0 +++ [pid 4239] close(28 [pid 4238] +++ exited with 0 +++ [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4239] close(29 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4239] exit_group(0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4239] <... exit_group resumed>) = ? [pid 3619] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4239] +++ exited with 0 +++ [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3622] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3622] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] <... openat resumed>) = 3 [pid 3619] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./79/binderfs", [pid 3623] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] unlink("./79/binderfs" [pid 3623] fstat(3, [pid 3622] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3622] lstat("./84/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./79/cgroup", [pid 3623] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./84/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./79/cgroup" [pid 3623] lstat("./82/binderfs", [pid 3622] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./82/binderfs" [pid 3622] lstat("./84/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./79/cgroup.net", [pid 3623] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./84/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./79/cgroup.net" [pid 3623] lstat("./82/cgroup", [pid 3622] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./79/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./82/cgroup" [pid 3622] lstat("./84/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./79/cpuset.effective_cpus", [pid 3623] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./84/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./79/cpuset.effective_cpus" [pid 3623] lstat("./82/cgroup.net", [pid 3622] umount2("./84/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./82/cgroup.net" [pid 3622] lstat("./84/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./79/cgroup.cpu", [pid 3623] umount2("./82/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./84/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./79/cgroup.cpu" [pid 3623] lstat("./82/cpuset.effective_cpus", [pid 3622] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] unlink("./82/cpuset.effective_cpus" [pid 3622] lstat("./84/cgroup.cpu", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] close(3 [pid 3622] unlink("./84/cgroup.cpu" [pid 3619] <... close resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] rmdir("./79" [pid 3622] getdents64(3, [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] mkdir("./80", 0777 [pid 3622] close(3 [pid 3619] <... mkdir resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4245 attached [pid 3622] rmdir("./84" [pid 3623] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3622] mkdir("./85", 0777 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 82 [pid 4245] chdir("./80" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... mkdir resumed>) = 0 [pid 4245] <... chdir resumed>) = 0 [pid 3623] lstat("./82/cgroup.cpu", [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4246 attached [pid 4245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4246] chdir("./85" [pid 4245] <... prctl resumed>) = 0 [pid 3623] unlink("./82/cgroup.cpu" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 87 [pid 4246] <... chdir resumed>) = 0 [pid 4245] setpgid(0, 0 [pid 3623] <... unlink resumed>) = 0 [pid 4246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4246] setpgid(0, 0) = 0 [pid 4246] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4245] <... setpgid resumed>) = 0 [pid 3623] getdents64(3, [pid 4246] <... symlink resumed>) = 0 [pid 4246] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4246] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4246] write(3, "1000", 4) = 4 [pid 4246] close(3) = 0 [pid 4245] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4246] symlink("/dev/binderfs", "./binderfs" [pid 4245] <... symlink resumed>) = 0 [pid 3623] close(3 [pid 4246] <... symlink resumed>) = 0 [pid 4245] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... close resumed>) = 0 [pid 4246] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4245] <... symlink resumed>) = 0 [pid 3623] rmdir("./82" [pid 4246] <... socket resumed>) = 3 [pid 4245] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4246] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... rmdir resumed>) = 0 [pid 4246] <... sendmsg resumed>) = 56 [pid 4246] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4245] <... symlink resumed>) = 0 [pid 3623] mkdir("./83", 0777 [pid 4246] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... mkdir resumed>) = 0 [pid 4245] <... openat resumed>) = 3 [pid 4245] write(3, "1000", 4 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4245] <... write resumed>) = 4 ./strace-static-x86_64: Process 4249 attached [pid 4245] close(3 [pid 4249] chdir("./83" [pid 4245] <... close resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 85 [pid 4245] symlink("/dev/binderfs", "./binderfs" [pid 4249] <... chdir resumed>) = 0 [pid 4245] <... symlink resumed>) = 0 [pid 4245] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4245] <... socket resumed>) = 3 [pid 4249] <... prctl resumed>) = 0 [pid 4245] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4249] setpgid(0, 0 [pid 4245] <... sendmsg resumed>) = 56 [pid 4245] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4249] <... setpgid resumed>) = 0 [pid 4245] <... openat resumed>) = 4 [pid 4245] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4249] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4249] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4249] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4249] write(3, "1000", 4) = 4 [pid 4249] close(3) = 0 [pid 4249] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4249] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4249] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4249] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4249] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4246] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4245] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4245] close(3 [pid 4246] close(3 [pid 4245] <... close resumed>) = 0 [pid 4245] close(4 [pid 4246] <... close resumed>) = 0 [pid 4245] <... close resumed>) = 0 [pid 4245] close(5) = -1 EBADF (Bad file descriptor) [pid 4245] close(6) = -1 EBADF (Bad file descriptor) [pid 4246] close(4 [pid 4245] close(7) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = 0 [pid 4245] close(8) = -1 EBADF (Bad file descriptor) [pid 4245] close(9 [pid 4246] close(5 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] close(10 [pid 4246] close(6) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(7 [pid 4245] close(11 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(8 [pid 4245] close(12 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(9 [pid 4245] close(13 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(10 [pid 4245] close(14 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(11) = -1 EBADF (Bad file descriptor) [pid 4246] close(12) = -1 EBADF (Bad file descriptor) [pid 4246] close(13) = -1 EBADF (Bad file descriptor) [pid 4246] close(14 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(15) = -1 EBADF (Bad file descriptor) [pid 4246] close(16) = -1 EBADF (Bad file descriptor) [pid 4246] close(17) = -1 EBADF (Bad file descriptor) [pid 4246] close(18) = -1 EBADF (Bad file descriptor) [pid 4246] close(19) = -1 EBADF (Bad file descriptor) [pid 4246] close(20) = -1 EBADF (Bad file descriptor) [pid 4246] close(21) = -1 EBADF (Bad file descriptor) [pid 4249] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4246] close(22 [pid 4245] close(15 [pid 4249] close(3 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 85.973886][ T4245] siw: device registration error -23 [ 85.985954][ T4249] siw: device registration error -23 [pid 4249] <... close resumed>) = 0 [pid 4246] close(23 [pid 4245] close(16 [pid 4249] close(4 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = 0 [pid 4245] close(17 [pid 4249] close(5 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] close(18 [pid 4249] close(6 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] close(19 [pid 4249] close(7 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(24 [pid 4245] close(20 [pid 4249] close(8 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(25 [pid 4245] close(21 [pid 4249] close(9 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(26 [pid 4245] close(22 [pid 4249] close(10 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(27 [pid 4245] close(23 [pid 4249] close(11 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(28 [pid 4245] close(24 [pid 4249] close(12 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(29 [pid 4245] close(25 [pid 4249] close(13 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] exit_group(0 [pid 4245] close(26 [pid 4249] close(14 [pid 4246] <... exit_group resumed>) = ? [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] close(27 [pid 4249] close(15 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] +++ exited with 0 +++ [pid 4245] close(28 [pid 4249] close(16 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] close(29 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4249] close(17 [pid 4245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] exit_group(0 [pid 4249] close(18 [pid 4245] <... exit_group resumed>) = ? [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4245] +++ exited with 0 +++ [pid 3622] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4249] close(19 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4249] close(20) = -1 EBADF (Bad file descriptor) [pid 4249] close(21) = -1 EBADF (Bad file descriptor) [pid 4249] close(22) = -1 EBADF (Bad file descriptor) [pid 4249] close(23) = -1 EBADF (Bad file descriptor) [pid 4249] close(24) = -1 EBADF (Bad file descriptor) [pid 4249] close(25) = -1 EBADF (Bad file descriptor) [pid 4249] close(26) = -1 EBADF (Bad file descriptor) [pid 4249] close(27) = -1 EBADF (Bad file descriptor) [pid 4249] close(28) = -1 EBADF (Bad file descriptor) [pid 4249] close(29) = -1 EBADF (Bad file descriptor) [pid 4249] exit_group(0) = ? [pid 4249] +++ exited with 0 +++ [pid 3622] <... openat resumed>) = 3 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3623] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] lstat("./85/binderfs", [pid 3619] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./83/binderfs", [pid 3622] unlink("./85/binderfs" [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./83/binderfs" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./83/cgroup") = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./85/cgroup", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./83/cgroup.net", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./85/cgroup" [pid 3623] unlink("./83/cgroup.net" [pid 3619] lstat("./80/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./83/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./80/binderfs" [pid 3623] lstat("./83/cpuset.effective_cpus", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] lstat("./85/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./83/cpuset.effective_cpus") = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./85/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./83/cgroup.cpu", [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./80/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./85/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./83/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./80/cgroup" [pid 3623] getdents64(3, [pid 3622] lstat("./85/cpuset.effective_cpus", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./83") = 0 [pid 3623] mkdir("./84", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4252 attached [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4252] chdir("./84" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 86 [pid 3622] unlink("./85/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4252] <... chdir resumed>) = 0 [pid 4252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./80/cgroup.net", [pid 4252] <... prctl resumed>) = 0 [pid 3622] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4252] setpgid(0, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./80/cgroup.net" [pid 4252] <... setpgid resumed>) = 0 [pid 3622] lstat("./85/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 4252] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./80/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4252] <... symlink resumed>) = 0 [pid 3622] unlink("./85/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4252] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3619] lstat("./80/cpuset.effective_cpus", [pid 4252] <... symlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4252] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./80/cpuset.effective_cpus" [pid 4252] <... symlink resumed>) = 0 [pid 3622] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 4252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... close resumed>) = 0 [pid 3619] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4252] <... openat resumed>) = 3 [pid 3622] rmdir("./85" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4252] write(3, "1000", 4 [pid 3622] <... rmdir resumed>) = 0 [pid 4252] <... write resumed>) = 4 [pid 3622] mkdir("./86", 0777 [pid 3619] lstat("./80/cgroup.cpu", [pid 4252] close(3 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4252] <... close resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4252] symlink("/dev/binderfs", "./binderfs" [pid 3619] unlink("./80/cgroup.cpu"./strace-static-x86_64: Process 4253 attached [pid 4253] chdir("./86" [pid 4252] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4253] <... chdir resumed>) = 0 [pid 4252] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 88 [pid 3619] getdents64(3, [pid 4253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4252] <... socket resumed>) = 3 [pid 4253] <... prctl resumed>) = 0 [pid 4252] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4253] setpgid(0, 0) = 0 [pid 4253] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4253] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4252] <... sendmsg resumed>) = 56 [pid 3619] close(3 [pid 4253] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4252] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4253] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 4253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4252] <... openat resumed>) = 4 [pid 3619] rmdir("./80" [pid 4253] <... openat resumed>) = 3 [pid 4252] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4253] write(3, "1000", 4 [pid 3619] <... rmdir resumed>) = 0 [pid 4253] <... write resumed>) = 4 [pid 4253] close(3) = 0 [pid 4253] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] mkdir("./81", 0777 [pid 4253] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3619] <... mkdir resumed>) = 0 [pid 4253] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4253] <... sendmsg resumed>) = 56 [pid 4253] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000./strace-static-x86_64: Process 4254 attached ) = 4 [pid 4254] chdir("./81" [pid 4253] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 83 [pid 4254] <... chdir resumed>) = 0 [pid 4254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4254] setpgid(0, 0) = 0 [pid 4254] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4252] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4252] close(3 [pid 4254] <... symlink resumed>) = 0 [pid 4254] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4252] <... close resumed>) = 0 [pid 4254] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4252] close(4 [pid 4254] <... openat resumed>) = 3 [pid 4254] write(3, "1000", 4) = 4 [pid 4254] close(3) = 0 [pid 4254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4252] <... close resumed>) = 0 [pid 4254] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4254] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4252] close(5 [pid 4254] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] <... openat resumed>) = 4 [pid 4252] close(6 [pid 4254] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 86.143136][ T4252] siw: device registration error -23 [pid 4254] close(3) = 0 [pid 4252] close(7 [pid 4254] close(4) = 0 [pid 4254] close(5) = -1 EBADF (Bad file descriptor) [pid 4254] close(6) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(7 [pid 4252] close(8 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(8 [pid 4252] close(9 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(9 [pid 4252] close(10 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(10 [pid 4252] close(11 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(11 [pid 4252] close(12 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(13) = -1 EBADF (Bad file descriptor) [pid 4252] close(14) = -1 EBADF (Bad file descriptor) [pid 4252] close(15) = -1 EBADF (Bad file descriptor) [pid 4252] close(16) = -1 EBADF (Bad file descriptor) [pid 4252] close(17) = -1 EBADF (Bad file descriptor) [pid 4252] close(18) = -1 EBADF (Bad file descriptor) [pid 4252] close(19) = -1 EBADF (Bad file descriptor) [pid 4253] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4252] close(20 [pid 4254] close(12 [pid 4253] close(3 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = 0 [pid 4252] close(21) = -1 EBADF (Bad file descriptor) [pid 4252] close(22) = -1 EBADF (Bad file descriptor) [pid 4252] close(23) = -1 EBADF (Bad file descriptor) [pid 4252] close(24) = -1 EBADF (Bad file descriptor) [pid 4254] close(13 [pid 4253] close(4 [pid 4252] close(25 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = 0 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(14 [pid 4253] close(5 [pid 4252] close(26 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(15 [pid 4253] close(6 [pid 4252] close(27 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(16 [pid 4253] close(7 [pid 4252] close(28 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 86.205587][ T4254] siw: device registration error -23 [pid 4254] close(17 [pid 4253] close(8 [pid 4252] close(29 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(18 [pid 4253] close(9 [pid 4252] exit_group(0 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... exit_group resumed>) = ? [pid 4254] close(19 [pid 4253] close(10 [pid 4252] +++ exited with 0 +++ [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4254] close(20 [pid 4253] close(11 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(21 [pid 4253] close(12 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(22 [pid 4253] close(13 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(23 [pid 3623] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4253] close(14 [pid 4254] close(24 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] close(15 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4254] close(25 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./84/binderfs", [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] close(16 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4254] close(26 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./84/binderfs" [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] close(17 [pid 3623] <... unlink resumed>) = 0 [pid 4254] close(27 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] close(18 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4254] close(28 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./84/cgroup", [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] close(19 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./84/cgroup" [pid 4254] close(29 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] close(20 [pid 3623] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4254] exit_group(0 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4254] <... exit_group resumed>) = ? [pid 4253] close(21 [pid 3623] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./84/cgroup.net" [pid 4254] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./84/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./84/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./84/cpuset.effective_cpus" [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4253] close(22 [pid 3623] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4253] close(23 [pid 3623] lstat("./84/cgroup.cpu", [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4253] close(24 [pid 3623] unlink("./84/cgroup.cpu" [pid 3619] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4253] close(25 [pid 3623] getdents64(3, [pid 3619] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4253] close(26 [pid 3623] close(3 [pid 3619] <... openat resumed>) = 3 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3619] fstat(3, [pid 4253] close(27 [pid 3623] rmdir("./84" [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4253] close(28 [pid 3623] mkdir("./85", 0777 [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 3619] getdents64(3, [pid 4253] close(29 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4258 attached [pid 4253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4258] chdir("./85" [pid 4253] exit_group(0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 87 [pid 3619] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] <... chdir resumed>) = 0 [pid 4253] <... exit_group resumed>) = ? [pid 4258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] <... prctl resumed>) = 0 [pid 4253] +++ exited with 0 +++ [pid 3619] lstat("./81/binderfs", [pid 4258] setpgid(0, 0 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4258] <... setpgid resumed>) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] unlink("./81/binderfs" [pid 4258] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4258] <... symlink resumed>) = 0 [pid 3619] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] <... symlink resumed>) = 0 [pid 3622] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./81/cgroup", [pid 4258] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4258] <... symlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] unlink("./81/cgroup" [pid 4258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 4258] <... openat resumed>) = 3 [pid 3622] fstat(3, [pid 3619] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] write(3, "1000", 4 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] <... write resumed>) = 4 [pid 3622] getdents64(3, [pid 3619] lstat("./81/cgroup.net", [pid 4258] close(3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4258] <... close resumed>) = 0 [pid 3622] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./81/cgroup.net" [pid 4258] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4258] <... symlink resumed>) = 0 [pid 3622] lstat("./86/binderfs", [pid 3619] umount2("./81/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] <... socket resumed>) = 3 [pid 3622] unlink("./86/binderfs" [pid 3619] lstat("./81/cpuset.effective_cpus", [pid 4258] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4258] <... sendmsg resumed>) = 56 [pid 3622] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./86/cgroup", [pid 4258] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./81/cpuset.effective_cpus" [pid 3622] unlink("./86/cgroup") = 0 [pid 4258] <... openat resumed>) = 4 [pid 3622] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4258] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./86/cgroup.net") = 0 [pid 3622] umount2("./86/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./86/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./86/cpuset.effective_cpus") = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./81/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./86/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./86/cgroup.cpu" [pid 3619] unlink("./81/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3 [pid 3619] getdents64(3, [pid 3622] <... close resumed>) = 0 [pid 3622] rmdir("./86" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] close(3 [pid 3622] mkdir("./87", 0777) = 0 [pid 3619] <... close resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4261 attached [pid 3619] rmdir("./81" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 89 [pid 4261] chdir("./87" [pid 3619] <... rmdir resumed>) = 0 [pid 4261] <... chdir resumed>) = 0 [pid 4261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] mkdir("./82", 0777 [pid 4261] <... prctl resumed>) = 0 [pid 4261] setpgid(0, 0 [pid 3619] <... mkdir resumed>) = 0 [pid 4261] <... setpgid resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 86.322761][ T4258] siw: device registration error -23 [pid 4261] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 4262 attached ) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 84 [pid 4262] chdir("./82" [pid 4261] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4262] <... chdir resumed>) = 0 [pid 4262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4261] <... symlink resumed>) = 0 [pid 4262] <... prctl resumed>) = 0 [pid 4261] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4262] setpgid(0, 0) = 0 [pid 4261] <... symlink resumed>) = 0 [pid 4262] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4262] <... symlink resumed>) = 0 [pid 4261] <... openat resumed>) = 3 [pid 4262] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4261] write(3, "1000", 4 [pid 4262] <... symlink resumed>) = 0 [pid 4261] <... write resumed>) = 4 [pid 4262] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4261] close(3 [pid 4262] <... symlink resumed>) = 0 [pid 4261] <... close resumed>) = 0 [pid 4262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4261] symlink("/dev/binderfs", "./binderfs" [pid 4262] <... openat resumed>) = 3 [pid 4262] write(3, "1000", 4 [pid 4261] <... symlink resumed>) = 0 [pid 4262] <... write resumed>) = 4 [pid 4261] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4262] close(3 [pid 4261] <... socket resumed>) = 3 [pid 4262] <... close resumed>) = 0 [pid 4262] symlink("/dev/binderfs", "./binderfs" [pid 4261] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4262] <... symlink resumed>) = 0 [pid 4261] <... sendmsg resumed>) = 56 [pid 4262] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4261] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4262] <... socket resumed>) = 3 [pid 4262] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4261] <... openat resumed>) = 4 [pid 4262] <... sendmsg resumed>) = 56 [pid 4261] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4262] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4262] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4258] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4262] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4262] close(3 [pid 4261] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4262] <... close resumed>) = 0 [pid 4261] close(3 [pid 4258] close(3 [pid 4262] close(4 [pid 4261] <... close resumed>) = 0 [pid 4258] <... close resumed>) = 0 [pid 4262] <... close resumed>) = 0 [pid 4261] close(4 [pid 4262] close(5 [pid 4261] <... close resumed>) = 0 [pid 4258] close(4 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(5 [pid 4258] <... close resumed>) = 0 [pid 4262] close(6 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(5 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(6 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(7 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(6 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(7 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(8 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(7 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(8 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(9 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(8 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(9 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(10 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(9 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(10 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(11 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(10 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(11 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(12 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(11 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(12 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(13 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(12 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(13 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(14 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(13 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(14 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(15 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(14 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(15 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(16 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(15 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(16 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(17 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(16 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(17 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(18 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(17 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(18 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(19 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(18 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(19 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(20 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(19 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(20 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(21 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(20 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(21 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(22 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 86.414922][ T4262] siw: device registration error -23 [pid 4258] close(21) = -1 EBADF (Bad file descriptor) [pid 4258] close(22) = -1 EBADF (Bad file descriptor) [pid 4258] close(23 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(22 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(23 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(24 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(23 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(24 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(25 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(24 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(25 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(26 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(25 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] close(26 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(27 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(26 [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] close(28) = -1 EBADF (Bad file descriptor) [pid 4258] close(29 [pid 4262] close(27 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(27 [pid 4258] exit_group(0 [pid 4262] close(28 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4258] <... exit_group resumed>) = ? [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(28 [pid 4258] +++ exited with 0 +++ [pid 4262] close(29 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(29 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4262] exit_group(0 [pid 4261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4262] <... exit_group resumed>) = ? [pid 4261] exit_group(0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 4262] +++ exited with 0 +++ [pid 4261] <... exit_group resumed>) = ? [pid 4261] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] fstat(3, [pid 3619] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3619] fstat(3, [pid 3622] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] lstat("./85/binderfs", [pid 3622] <... openat resumed>) = 3 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./87/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./87/binderfs") = 0 [pid 3622] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./85/binderfs" [pid 3622] lstat("./87/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./87/cgroup" [pid 3619] lstat("./82/binderfs", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./85/cgroup", [pid 3622] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./82/binderfs" [pid 3623] unlink("./85/cgroup" [pid 3622] lstat("./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./87/cgroup.net" [pid 3623] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./85/cgroup.net", [pid 3622] umount2("./87/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./82/cgroup", [pid 3623] unlink("./85/cgroup.net" [pid 3622] lstat("./87/cpuset.effective_cpus", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./85/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./87/cpuset.effective_cpus" [pid 3619] unlink("./82/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3622] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./87/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3 [pid 3623] lstat("./85/cpuset.effective_cpus", [pid 3622] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] rmdir("./87" [pid 3619] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./85/cpuset.effective_cpus" [pid 3622] <... rmdir resumed>) = 0 [pid 3622] mkdir("./88", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4265 attached [pid 4265] chdir("./88" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 90 [pid 3619] lstat("./82/cgroup.net", [pid 4265] <... chdir resumed>) = 0 [pid 3623] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4265] <... prctl resumed>) = 0 [pid 3623] lstat("./85/cgroup.cpu", [pid 3619] unlink("./82/cgroup.net" [pid 4265] setpgid(0, 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4265] <... setpgid resumed>) = 0 [pid 3623] unlink("./85/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 4265] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./82/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4265] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4265] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4265] write(3, "1000", 4) = 4 [pid 4265] close(3) = 0 [pid 4265] symlink("/dev/binderfs", "./binderfs" [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4265] <... symlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4265] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] close(3 [pid 3619] lstat("./82/cpuset.effective_cpus", [pid 4265] <... socket resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 4265] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] rmdir("./85" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4265] <... sendmsg resumed>) = 56 [pid 4265] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] unlink("./82/cpuset.effective_cpus" [pid 4265] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] mkdir("./86", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4266 attached [pid 3619] lstat("./82/cgroup.cpu", [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 88 [pid 4266] chdir("./86" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./82/cgroup.cpu" [pid 4266] <... chdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4266] setpgid(0, 0) = 0 [pid 4266] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3619] getdents64(3, [pid 4266] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 4266] <... symlink resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 4266] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4266] write(3, "1000", 4) = 4 [pid 4266] close(3) = 0 [pid 4266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4266] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4266] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3619] rmdir("./82") = 0 [pid 3619] mkdir("./83", 0777 [pid 4266] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4266] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4267 attached , child_tidptr=0x5555558f4690) = 85 [pid 4267] chdir("./83") = 0 [pid 4267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4267] setpgid(0, 0) = 0 [pid 4267] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4267] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4267] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4266] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4267] <... symlink resumed>) = 0 [pid 4266] close(3) = 0 [pid 4266] close(4) = 0 [pid 4266] close(5 [pid 4267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4267] write(3, "1000", 4) = 4 [pid 4267] close(3) = 0 [pid 4267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4267] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4267] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(6) = -1 EBADF (Bad file descriptor) [pid 4266] close(7) = -1 EBADF (Bad file descriptor) [pid 4267] <... sendmsg resumed>) = 56 [pid 4266] close(8) = -1 EBADF (Bad file descriptor) [pid 4266] close(9) = -1 EBADF (Bad file descriptor) [pid 4266] close(10) = -1 EBADF (Bad file descriptor) [pid 4266] close(11) = -1 EBADF (Bad file descriptor) [pid 4266] close(12 [pid 4267] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(13) = -1 EBADF (Bad file descriptor) [pid 4266] close(14) = -1 EBADF (Bad file descriptor) [pid 4266] close(15) = -1 EBADF (Bad file descriptor) [pid 4266] close(16) = -1 EBADF (Bad file descriptor) [ 86.598453][ T4266] siw: device registration error -23 [pid 4267] <... openat resumed>) = 4 [pid 4266] close(17) = -1 EBADF (Bad file descriptor) [pid 4266] close(18) = -1 EBADF (Bad file descriptor) [pid 4266] close(19) = -1 EBADF (Bad file descriptor) [pid 4267] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4266] close(20 [pid 4267] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(21) = -1 EBADF (Bad file descriptor) [pid 4266] close(22 [pid 4267] close(3 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] <... close resumed>) = 0 [pid 4266] close(23 [pid 4267] close(4 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] <... close resumed>) = 0 [pid 4266] close(24 [pid 4267] close(5) = -1 EBADF (Bad file descriptor) [pid 4267] close(6) = -1 EBADF (Bad file descriptor) [pid 4267] close(7) = -1 EBADF (Bad file descriptor) [pid 4267] close(8 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(25 [pid 4265] close(3 [pid 4267] close(9 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(26 [pid 4265] <... close resumed>) = 0 [pid 4267] close(10 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(4 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(27 [pid 4265] <... close resumed>) = 0 [pid 4267] close(11) = -1 EBADF (Bad file descriptor) [pid 4267] close(12) = -1 EBADF (Bad file descriptor) [pid 4267] close(13 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] close(14 [pid 4266] close(28 [pid 4265] close(5 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] close(15 [pid 4266] close(29 [pid 4265] close(6 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] close(16 [pid 4266] exit_group(0 [pid 4265] close(7 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... exit_group resumed>) = ? [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4267] close(17 [pid 4266] +++ exited with 0 +++ [pid 4265] close(8) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4265] close(9 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 4265] close(10) = -1 EBADF (Bad file descriptor) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(11 [pid 3623] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4267] close(18 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(12 [pid 3623] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4267] close(19 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(13 [pid 3623] fstat(3, [pid 4267] close(20 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(14 [pid 3623] getdents64(3, [pid 4267] close(21 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(15 [pid 3623] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4267] close(22 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(16 [pid 3623] lstat("./86/binderfs", [pid 4267] close(23 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(17 [pid 3623] unlink("./86/binderfs" [pid 4267] close(24 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(18 [pid 3623] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4267] close(25 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(19 [pid 3623] lstat("./86/cgroup", [pid 4267] close(26 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(20 [pid 3623] unlink("./86/cgroup" [pid 4267] close(27 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(21 [pid 3623] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4267] close(28 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(22 [pid 3623] lstat("./86/cgroup.net", [pid 4267] close(29 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(23 [pid 3623] unlink("./86/cgroup.net" [pid 4267] exit_group(0 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4267] <... exit_group resumed>) = ? [pid 4265] close(24 [pid 3623] umount2("./86/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4265] close(25 [pid 3623] lstat("./86/cpuset.effective_cpus", [pid 4267] +++ exited with 0 +++ [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [ 86.650550][ T4267] siw: device registration error -23 [pid 4265] close(26 [pid 3623] unlink("./86/cpuset.effective_cpus" [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4265] close(27 [pid 3623] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... restart_syscall resumed>) = 0 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4265] close(28 [pid 3623] lstat("./86/cgroup.cpu", [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4265] close(29 [pid 3623] unlink("./86/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4265] exit_group(0 [pid 3623] getdents64(3, [pid 3619] <... openat resumed>) = 3 [pid 4265] <... exit_group resumed>) = ? [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] fstat(3, [pid 4265] +++ exited with 0 +++ [pid 3623] close(3 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] rmdir("./86" [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] mkdir("./87", 0777 [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3619] lstat("./83/binderfs", [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4271 attached [pid 3622] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./83/binderfs" [pid 4271] chdir("./87" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 89 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4271] <... chdir resumed>) = 0 [pid 3619] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./83/cgroup" [pid 4271] <... prctl resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 4271] setpgid(0, 0 [pid 3622] fstat(3, [pid 3619] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4271] <... setpgid resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cgroup.net", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4271] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] getdents64(3, [pid 3619] unlink("./83/cgroup.net" [pid 4271] <... symlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 4271] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] umount2("./83/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4271] <... symlink resumed>) = 0 [pid 3622] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cpuset.effective_cpus", [pid 4271] <... symlink resumed>) = 0 [pid 3622] lstat("./88/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./83/cpuset.effective_cpus" [pid 4271] <... openat resumed>) = 3 [pid 3622] unlink("./88/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 4271] write(3, "1000", 4 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4271] <... write resumed>) = 4 [pid 3622] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] close(3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cgroup.cpu", [pid 4271] <... close resumed>) = 0 [pid 3622] lstat("./88/cgroup", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4271] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./83/cgroup.cpu" [pid 4271] <... symlink resumed>) = 0 [pid 3622] unlink("./88/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 4271] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 4271] <... socket resumed>) = 3 [pid 3622] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4271] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] close(3 [pid 4271] <... sendmsg resumed>) = 56 [pid 3622] lstat("./88/cgroup.net", [pid 3619] <... close resumed>) = 0 [pid 4271] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] rmdir("./83" [pid 4271] <... openat resumed>) = 4 [pid 3622] unlink("./88/cgroup.net" [pid 3619] <... rmdir resumed>) = 0 [pid 4271] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] mkdir("./84", 0777 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558f4690) = 86 ./strace-static-x86_64: Process 4272 attached [pid 3622] umount2("./88/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4272] chdir("./84") = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] lstat("./88/cpuset.effective_cpus", [pid 4272] <... prctl resumed>) = 0 [pid 4272] setpgid(0, 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4272] <... setpgid resumed>) = 0 [pid 3622] unlink("./88/cpuset.effective_cpus" [pid 4272] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4272] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3622] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4272] <... symlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4272] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3622] lstat("./88/cgroup.cpu", [pid 4272] <... symlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] unlink("./88/cgroup.cpu" [pid 4272] write(3, "1000", 4 [pid 3622] <... unlink resumed>) = 0 [pid 4272] <... write resumed>) = 4 [pid 3622] getdents64(3, [pid 4272] close(3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4272] <... close resumed>) = 0 [pid 3622] close(3 [pid 4272] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... close resumed>) = 0 [pid 4272] <... symlink resumed>) = 0 [pid 3622] rmdir("./88" [pid 4272] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... rmdir resumed>) = 0 [pid 4272] <... socket resumed>) = 3 [pid 3622] mkdir("./89", 0777 [pid 4272] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... mkdir resumed>) = 0 [pid 4272] <... sendmsg resumed>) = 56 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4272] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000./strace-static-x86_64: Process 4273 attached [pid 4273] chdir("./89") = 0 [pid 4273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4273] setpgid(0, 0) = 0 [pid 4273] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4273] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4272] <... openat resumed>) = 4 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 91 [pid 4272] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4273] <... symlink resumed>) = 0 [pid 4273] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4273] write(3, "1000", 4) = 4 [pid 4273] close(3) = 0 [pid 4273] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4273] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4273] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4273] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4272] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4271] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4273] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4272] close(3 [pid 4271] close(3 [pid 4272] <... close resumed>) = 0 [pid 4272] close(4 [pid 4273] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4273] close(3 [pid 4272] <... close resumed>) = 0 [pid 4272] close(5) = -1 EBADF (Bad file descriptor) [pid 4272] close(6) = -1 EBADF (Bad file descriptor) [pid 4272] close(7) = -1 EBADF (Bad file descriptor) [pid 4272] close(8) = -1 EBADF (Bad file descriptor) [pid 4272] close(9) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = 0 [pid 4273] close(4) = 0 [pid 4272] close(10 [pid 4273] close(5) = -1 EBADF (Bad file descriptor) [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(6) = -1 EBADF (Bad file descriptor) [pid 4273] close(7) = -1 EBADF (Bad file descriptor) [pid 4273] close(8) = -1 EBADF (Bad file descriptor) [pid 4273] close(9) = -1 EBADF (Bad file descriptor) [pid 4273] close(10) = -1 EBADF (Bad file descriptor) [pid 4273] close(11 [pid 4272] close(11 [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(12) = -1 EBADF (Bad file descriptor) [pid 4273] close(13 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(14 [pid 4271] <... close resumed>) = 0 [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] close(4 [pid 4273] close(15) = -1 EBADF (Bad file descriptor) [pid 4272] close(12 [pid 4271] <... close resumed>) = 0 [pid 4273] close(16) = -1 EBADF (Bad file descriptor) [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] close(5 [pid 4273] close(17 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(18) = -1 EBADF (Bad file descriptor) [pid 4271] close(6 [pid 4273] close(19 [ 86.772733][ T4271] siw: device registration error -23 [ 86.806797][ T4272] siw: device registration error -23 [pid 4272] close(13 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(20 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] close(7 [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(14 [pid 4273] close(21 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(22 [pid 4271] close(8 [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(23 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(24 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] close(9 [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(15 [pid 4273] close(25 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(16 [pid 4273] close(26 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] close(10 [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(17 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(27 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(18 [pid 4271] close(11 [pid 4273] close(28 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(19 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(29 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(20 [pid 4271] close(12 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] exit_group(0 [pid 4272] close(21 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... exit_group resumed>) = ? [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(22) = -1 EBADF (Bad file descriptor) [pid 4272] close(23) = -1 EBADF (Bad file descriptor) [pid 4272] close(24) = -1 EBADF (Bad file descriptor) [pid 4272] close(25) = -1 EBADF (Bad file descriptor) [pid 4272] close(26) = -1 EBADF (Bad file descriptor) [pid 4273] +++ exited with 0 +++ [pid 4272] close(27 [pid 4271] close(13 [pid 4272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4272] close(28) = -1 EBADF (Bad file descriptor) [pid 4272] close(29) = -1 EBADF (Bad file descriptor) [pid 4272] exit_group(0) = ? [pid 4272] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./84/binderfs") = 0 [pid 3619] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./84/cgroup") = 0 [pid 3619] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./84/cgroup.net" [pid 4271] close(14 [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... unlink resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] umount2("./84/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4271] close(15 [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./84/cpuset.effective_cpus", [pid 4271] close(16 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./84/cpuset.effective_cpus" [pid 4271] close(17 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4271] close(18 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 3619] lstat("./84/cgroup.cpu", [pid 4271] close(19 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] getdents64(3, [pid 3619] unlink("./84/cgroup.cpu" [pid 4271] close(20 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 4271] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3) = 0 [pid 3619] rmdir("./84" [pid 4271] close(22 [pid 3622] lstat("./89/binderfs", [pid 3619] <... rmdir resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] mkdir("./85", 0777 [pid 4271] close(23 [pid 3622] unlink("./89/binderfs" [pid 3619] <... mkdir resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4275 attached [pid 4271] close(24 [pid 3622] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4275] chdir("./85" [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 87 [pid 4275] <... chdir resumed>) = 0 [pid 4271] close(25 [pid 3622] lstat("./89/cgroup", [pid 4275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... prctl resumed>) = 0 [pid 4271] close(26 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4275] setpgid(0, 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] unlink("./89/cgroup" [pid 4275] <... setpgid resumed>) = 0 [pid 4271] close(27) = -1 EBADF (Bad file descriptor) [pid 3622] <... unlink resumed>) = 0 [pid 4275] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4271] close(28 [pid 3622] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4275] <... symlink resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4275] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4271] close(29 [pid 3622] lstat("./89/cgroup.net", [pid 4275] <... symlink resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4275] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4271] exit_group(0 [pid 3622] unlink("./89/cgroup.net" [pid 4275] <... symlink resumed>) = 0 [pid 4271] <... exit_group resumed>) = ? [pid 3622] <... unlink resumed>) = 0 [pid 4275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4271] +++ exited with 0 +++ [pid 3622] umount2("./89/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4275] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4275] write(3, "1000", 4 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3622] lstat("./89/cpuset.effective_cpus", [pid 4275] <... write resumed>) = 4 [pid 3623] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4275] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./89/cpuset.effective_cpus" [pid 4275] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... unlink resumed>) = 0 [pid 4275] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... openat resumed>) = 3 [pid 3622] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4275] <... symlink resumed>) = 0 [pid 3623] fstat(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4275] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] lstat("./89/cgroup.cpu", [pid 4275] <... socket resumed>) = 3 [pid 3623] getdents64(3, [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4275] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] unlink("./89/cgroup.cpu" [pid 4275] <... sendmsg resumed>) = 56 [pid 3623] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 4275] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 4275] <... openat resumed>) = 4 [pid 3623] lstat("./87/binderfs", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4275] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] close(3 [pid 3623] unlink("./87/binderfs" [pid 3622] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] rmdir("./89" [pid 3623] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdir("./90", 0777 [pid 3623] lstat("./87/cgroup", [pid 3622] <... mkdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4276 attached [pid 3623] unlink("./87/cgroup") = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 92 [pid 3623] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4276] chdir("./90" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./87/cgroup.net", [pid 4276] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./87/cgroup.net") = 0 [pid 3623] umount2("./87/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./87/cpuset.effective_cpus", [pid 4276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./87/cpuset.effective_cpus" [pid 4276] <... prctl resumed>) = 0 [pid 4276] setpgid(0, 0) = 0 [pid 4276] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 4276] <... symlink resumed>) = 0 [pid 4276] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4276] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4276] write(3, "1000", 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4276] <... write resumed>) = 4 [pid 3623] lstat("./87/cgroup.cpu", [pid 4276] close(3) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4276] symlink("/dev/binderfs", "./binderfs" [pid 3623] unlink("./87/cgroup.cpu" [pid 4276] <... symlink resumed>) = 0 [pid 4276] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... unlink resumed>) = 0 [pid 4276] <... socket resumed>) = 3 [pid 3623] getdents64(3, [pid 4276] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4276] <... sendmsg resumed>) = 56 [pid 4276] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] close(3 [pid 4276] <... openat resumed>) = 4 [ 86.916482][ T4275] siw: device registration error -23 [pid 4276] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./87") = 0 [pid 3623] mkdir("./88", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4278 attached [pid 4278] chdir("./88" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 90 [pid 4278] <... chdir resumed>) = 0 [pid 4278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4278] setpgid(0, 0) = 0 [pid 4278] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4278] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4278] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4275] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4278] <... openat resumed>) = 3 [pid 4275] close(3 [pid 4278] write(3, "1000", 4 [pid 4275] <... close resumed>) = 0 [pid 4278] <... write resumed>) = 4 [pid 4275] close(4 [pid 4278] close(3 [pid 4275] <... close resumed>) = 0 [pid 4278] <... close resumed>) = 0 [pid 4275] close(5 [pid 4278] symlink("/dev/binderfs", "./binderfs" [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... symlink resumed>) = 0 [pid 4278] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4275] close(6 [pid 4278] <... socket resumed>) = 3 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4275] close(7 [pid 4278] <... sendmsg resumed>) = 56 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4275] close(8 [pid 4278] <... openat resumed>) = 4 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4275] close(9 [pid 4278] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(3 [pid 4275] close(10 [pid 4278] <... close resumed>) = 0 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(4) = 0 [pid 4275] close(11 [pid 4278] close(5 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] close(12 [pid 4278] close(6 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] close(13 [pid 4278] close(7 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(8 [pid 4275] close(14 [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(9 [pid 4275] close(15 [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(10 [pid 4276] close(3 [pid 4275] close(16 [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(11 [pid 4276] <... close resumed>) = 0 [pid 4275] close(17 [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(4 [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(12 [pid 4276] <... close resumed>) = 0 [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(5 [pid 4278] close(13 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(14 [pid 4276] close(6 [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] close(15 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(7 [pid 4275] close(18 [pid 4278] close(16 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(8 [pid 4275] close(19 [pid 4278] close(17 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(9 [pid 4275] close(20 [pid 4278] close(18 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(10 [pid 4275] close(21 [pid 4278] close(19 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(11 [pid 4275] close(22 [pid 4278] close(20 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(12 [pid 4275] close(23 [pid 4278] close(21 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(13 [pid 4278] close(22 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(14 [pid 4278] close(23 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(15 [pid 4275] close(24 [pid 4278] close(24 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(16 [pid 4275] close(25 [pid 4278] close(25 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(17 [pid 4278] close(26 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(18 [pid 4278] close(27 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(19 [pid 4278] close(28 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(20 [pid 4275] close(26 [pid 4278] close(29 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(21 [pid 4275] close(27 [pid 4278] exit_group(0 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4278] <... exit_group resumed>) = ? [pid 4276] close(22 [pid 4275] close(28 [pid 4278] +++ exited with 0 +++ [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4276] close(23 [pid 4275] close(29 [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4276] close(24 [pid 4275] exit_group(0 [pid 3623] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4275] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4276] close(25) = -1 EBADF (Bad file descriptor) [pid 4276] close(26) = -1 EBADF (Bad file descriptor) [pid 4276] close(27 [pid 4275] +++ exited with 0 +++ [pid 3623] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4276] close(28 [ 87.024566][ T4278] siw: device registration error -23 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... restart_syscall resumed>) = 0 [pid 4276] close(29) = -1 EBADF (Bad file descriptor) [pid 4276] exit_group(0 [pid 3619] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4276] <... exit_group resumed>) = ? [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4276] +++ exited with 0 +++ [pid 3619] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./85/binderfs" [pid 3623] fstat(3, [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] lstat("./85/cgroup", [pid 3623] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./85/cgroup" [pid 3623] lstat("./88/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./88/binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3622] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] lstat("./85/cgroup.net", [pid 3623] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] fstat(3, [pid 3619] unlink("./85/cgroup.net" [pid 3623] lstat("./88/cgroup", [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] getdents64(3, [pid 3619] umount2("./85/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./85/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./85/cpuset.effective_cpus" [pid 3623] unlink("./88/cgroup" [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./90/binderfs", [pid 3619] lstat("./85/cgroup.cpu", [pid 3623] lstat("./88/cgroup.net", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./90/binderfs" [pid 3619] unlink("./85/cgroup.cpu" [pid 3623] unlink("./88/cgroup.net" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3623] umount2("./88/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./90/cgroup", [pid 3619] close(3 [pid 3623] lstat("./88/cpuset.effective_cpus", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./90/cgroup" [pid 3619] rmdir("./85" [pid 3623] unlink("./88/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./86", 0777 [pid 3623] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./90/cgroup.net", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4282 attached [pid 3623] lstat("./88/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4282] chdir("./86" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 88 [pid 4282] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./90/cgroup.net" [pid 4282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./88/cgroup.cpu" [pid 3622] <... unlink resumed>) = 0 [pid 4282] <... prctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./90/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4282] setpgid(0, 0 [pid 3623] getdents64(3, [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4282] <... setpgid resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] lstat("./90/cpuset.effective_cpus", [pid 4282] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] close(3 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4282] <... symlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] unlink("./90/cpuset.effective_cpus" [pid 4282] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] rmdir("./88" [pid 4282] <... symlink resumed>) = 0 [pid 4282] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... rmdir resumed>) = 0 [pid 3622] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4282] <... openat resumed>) = 3 [pid 3623] mkdir("./89", 0777 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4282] write(3, "1000", 4) = 4 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] lstat("./90/cgroup.cpu", [pid 4282] close(3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4282] <... close resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4282] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4283 attached ) = 0 [pid 3622] unlink("./90/cgroup.cpu" [pid 4282] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4282] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4282] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4283] chdir("./89" [pid 4282] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 91 [pid 3622] <... unlink resumed>) = 0 [pid 4283] <... chdir resumed>) = 0 [pid 3622] getdents64(3, [pid 4283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4283] <... prctl resumed>) = 0 [pid 3622] close(3 [pid 4283] setpgid(0, 0 [pid 3622] <... close resumed>) = 0 [pid 4283] <... setpgid resumed>) = 0 [pid 3622] rmdir("./90" [pid 4283] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] <... rmdir resumed>) = 0 [pid 4283] <... symlink resumed>) = 0 [pid 3622] mkdir("./91", 0777 [pid 4283] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 4283] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4283] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 4286 attached [pid 4283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4286] chdir("./91" [pid 4283] <... openat resumed>) = 3 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 93 [pid 4283] write(3, "1000", 4) = 4 [pid 4283] close(3) = 0 [pid 4286] <... chdir resumed>) = 0 [pid 4283] symlink("/dev/binderfs", "./binderfs" [pid 4286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4283] <... symlink resumed>) = 0 [pid 4286] <... prctl resumed>) = 0 [pid 4283] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4286] setpgid(0, 0 [pid 4283] <... socket resumed>) = 3 [pid 4286] <... setpgid resumed>) = 0 [pid 4283] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4286] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4283] <... sendmsg resumed>) = 56 [pid 4283] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4286] <... symlink resumed>) = 0 [pid 4283] <... openat resumed>) = 4 [pid 4283] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4286] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4286] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [ 87.152024][ T4282] siw: device registration error -23 [pid 4286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4286] write(3, "1000", 4) = 4 [pid 4286] close(3) = 0 [pid 4286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4286] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4286] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4286] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4286] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4283] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4282] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [ 87.191843][ T4283] siw: device registration error -23 [pid 4282] close(3) = 0 [pid 4283] close(3 [pid 4282] close(4 [pid 4283] <... close resumed>) = 0 [pid 4282] <... close resumed>) = 0 [pid 4283] close(4) = 0 [pid 4282] close(5 [pid 4283] close(5) = -1 EBADF (Bad file descriptor) [pid 4283] close(6 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(7) = -1 EBADF (Bad file descriptor) [pid 4282] close(6 [pid 4283] close(8) = -1 EBADF (Bad file descriptor) [pid 4283] close(9 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(7) = -1 EBADF (Bad file descriptor) [pid 4282] close(8) = -1 EBADF (Bad file descriptor) [pid 4282] close(9) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(10 [pid 4283] close(10 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(11 [pid 4283] close(11 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(12 [pid 4283] close(12 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(13 [pid 4283] close(13 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(14 [pid 4283] close(14 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(15 [pid 4286] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4283] close(15 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(16) = -1 EBADF (Bad file descriptor) [pid 4282] close(17) = -1 EBADF (Bad file descriptor) [pid 4282] close(18 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(16 [pid 4282] close(19) = -1 EBADF (Bad file descriptor) [pid 4282] close(20) = -1 EBADF (Bad file descriptor) [pid 4282] close(21 [pid 4286] close(3 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = 0 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(22 [pid 4286] close(4 [pid 4283] close(17 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = 0 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(23 [pid 4286] close(5 [pid 4283] close(18 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(24 [pid 4286] close(6 [pid 4283] close(19 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(25 [pid 4286] close(7 [pid 4283] close(20 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(26 [pid 4286] close(8 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(27 [pid 4286] close(9 [pid 4283] close(21 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(28 [pid 4286] close(10 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] close(29 [pid 4286] close(11 [pid 4282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] exit_group(0 [pid 4286] close(12 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4282] <... exit_group resumed>) = ? [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(22 [pid 4282] +++ exited with 0 +++ [pid 4286] close(13 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(23 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4286] close(14 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(24 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4286] close(15 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(25 [pid 3619] <... openat resumed>) = 3 [pid 4286] close(16 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(26 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4286] close(17 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(27 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4286] close(18 [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] close(28 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4286] close(19 [pid 3619] lstat("./86/binderfs", [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4286] close(20 [pid 3619] unlink("./86/binderfs" [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4286] close(21 [pid 3619] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4286] close(22 [pid 4283] close(29 [pid 3619] lstat("./86/cgroup", [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4286] close(23 [pid 4283] exit_group(0 [pid 3619] unlink("./86/cgroup" [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4283] <... exit_group resumed>) = ? [pid 3619] <... unlink resumed>) = 0 [pid 4286] close(24 [pid 3619] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4286] close(25 [pid 4283] +++ exited with 0 +++ [pid 3619] lstat("./86/cgroup.net", [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4286] close(26 [pid 3619] unlink("./86/cgroup.net" [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4286] close(27 [pid 3623] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./86/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4286] close(28 [pid 3623] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] lstat("./86/cpuset.effective_cpus", [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4286] close(29 [pid 3623] fstat(3, [pid 3619] unlink("./86/cpuset.effective_cpus" [pid 4286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4286] exit_group(0) = ? [pid 3619] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4286] +++ exited with 0 +++ [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] lstat("./86/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./89/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./86/cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./89/binderfs" [pid 3622] <... openat resumed>) = 3 [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3622] fstat(3, [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3623] lstat("./89/cgroup", [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] rmdir("./86" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 3623] unlink("./89/cgroup" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./87", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./91/binderfs", [pid 3619] <... mkdir resumed>) = 0 [pid 3623] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4290 attached [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlink("./91/binderfs" [pid 4290] chdir("./87" [pid 3623] lstat("./89/cgroup.net", [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 89 [pid 4290] <... chdir resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4290] <... prctl resumed>) = 0 [pid 3623] unlink("./89/cgroup.net" [pid 4290] setpgid(0, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4290] <... setpgid resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./91/cgroup", [pid 4290] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] umount2("./89/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4290] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4290] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] lstat("./89/cpuset.effective_cpus", [pid 3622] unlink("./91/cgroup" [pid 4290] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4290] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] unlink("./89/cpuset.effective_cpus" [pid 3622] <... unlink resumed>) = 0 [pid 4290] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./91/cgroup.net", [pid 4290] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./91/cgroup.net") = 0 [pid 3622] umount2("./91/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./91/cpuset.effective_cpus", [pid 4290] write(3, "1000", 4 [pid 3623] lstat("./89/cgroup.cpu", [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./91/cpuset.effective_cpus" [pid 4290] <... write resumed>) = 4 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 4290] close(3 [pid 3623] unlink("./89/cgroup.cpu" [pid 3622] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4290] <... close resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./91/cgroup.cpu") = 0 [pid 3622] getdents64(3, [pid 4290] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4290] <... symlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] close(3 [pid 4290] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... close resumed>) = 0 [pid 4290] <... socket resumed>) = 3 [pid 3623] close(3 [pid 3622] rmdir("./91" [pid 4290] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 4290] <... sendmsg resumed>) = 56 [pid 3623] rmdir("./89" [pid 3622] mkdir("./92", 0777 [pid 4290] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... rmdir resumed>) = 0 [pid 4290] <... openat resumed>) = 4 [pid 3623] mkdir("./90", 0777 [pid 3622] <... mkdir resumed>) = 0 [pid 4290] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4294 attached ./strace-static-x86_64: Process 4293 attached [pid 4293] chdir("./90" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 92 [pid 4294] chdir("./92" [pid 4293] <... chdir resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 94 [pid 4293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4293] setpgid(0, 0) = 0 [pid 4293] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4294] <... chdir resumed>) = 0 [pid 4293] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4293] <... symlink resumed>) = 0 [pid 4294] <... prctl resumed>) = 0 [pid 4293] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4294] setpgid(0, 0 [pid 4293] <... symlink resumed>) = 0 [pid 4294] <... setpgid resumed>) = 0 [pid 4293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4294] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4293] <... openat resumed>) = 3 [pid 4293] write(3, "1000", 4) = 4 [pid 4294] <... symlink resumed>) = 0 [pid 4293] close(3 [pid 4294] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4293] <... close resumed>) = 0 [pid 4293] symlink("/dev/binderfs", "./binderfs" [pid 4294] <... symlink resumed>) = 0 [pid 4293] <... symlink resumed>) = 0 [pid 4293] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4294] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4293] <... socket resumed>) = 3 [pid 4294] <... symlink resumed>) = 0 [pid 4293] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4293] <... sendmsg resumed>) = 56 [pid 4293] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4294] <... openat resumed>) = 3 [pid 4293] <... openat resumed>) = 4 [pid 4294] write(3, "1000", 4 [pid 4293] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4294] <... write resumed>) = 4 [pid 4294] close(3) = 0 [pid 4294] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4294] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4294] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4294] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 87.377863][ T4290] siw: device registration error -23 [ 87.416836][ T4293] siw: device registration error -23 [pid 4294] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4293] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4290] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4290] close(3) = 0 [pid 4290] close(4) = 0 [pid 4290] close(5 [pid 4293] close(3 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = 0 [pid 4290] close(6 [pid 4293] close(4 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = 0 [pid 4290] close(7 [pid 4293] close(5 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(8 [pid 4293] close(6 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(9 [pid 4293] close(7 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(10 [pid 4293] close(8 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(11 [pid 4293] close(9 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(12 [pid 4293] close(10 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(13 [pid 4293] close(11 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(14 [pid 4293] close(12 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(15 [pid 4293] close(13 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(16 [pid 4293] close(14 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(17 [pid 4293] close(15 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(18 [pid 4293] close(16 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(19 [pid 4293] close(17 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(20 [pid 4293] close(18 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(21 [pid 4293] close(19 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(22 [pid 4294] close(3 [pid 4293] close(20 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = 0 [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(23 [pid 4294] close(4 [pid 4293] close(21 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = 0 [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(24 [pid 4294] close(5 [pid 4293] close(22 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(25 [pid 4293] close(23 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(26 [pid 4294] close(6 [pid 4293] close(24 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(27 [pid 4294] close(7 [pid 4293] close(25 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(28 [pid 4294] close(8 [pid 4293] close(26 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] close(29 [pid 4294] close(9 [pid 4293] close(27 [pid 4290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4290] exit_group(0 [pid 4294] close(10 [pid 4293] close(28 [pid 4290] <... exit_group resumed>) = ? [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4294] close(11 [pid 4290] +++ exited with 0 +++ [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] close(29 [pid 4294] close(12 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4294] close(13 [pid 4293] exit_group(0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] <... exit_group resumed>) = ? [pid 3619] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4294] close(14 [pid 3619] <... openat resumed>) = 3 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4294] close(15 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4294] close(16 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4294] close(17 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./87/binderfs", [pid 4294] close(18 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./87/binderfs" [pid 4294] close(19 [pid 3619] <... unlink resumed>) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4294] close(20 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./87/cgroup", [pid 4294] close(21 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4293] +++ exited with 0 +++ [pid 3619] unlink("./87/cgroup" [pid 4294] close(22 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] <... unlink resumed>) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4294] close(23 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./87/cgroup.net", [pid 4294] close(24 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./87/cgroup.net" [pid 4294] close(25 [pid 3623] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./87/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4294] close(26 [pid 3623] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3619] lstat("./87/cpuset.effective_cpus", [pid 4294] close(27 [pid 3623] fstat(3, [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] unlink("./87/cpuset.effective_cpus" [pid 4294] close(28 [pid 3623] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4294] close(29 [pid 3623] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./87/cgroup.cpu", [pid 4294] exit_group(0 [pid 3623] lstat("./90/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4294] <... exit_group resumed>) = ? [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./87/cgroup.cpu" [pid 4294] +++ exited with 0 +++ [pid 3623] unlink("./90/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 3619] close(3 [pid 3623] lstat("./90/cgroup", [pid 3622] <... restart_syscall resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] rmdir("./87" [pid 3623] unlink("./90/cgroup" [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./88", 0777 [pid 3623] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4297 attached [pid 3623] lstat("./90/cgroup.net", [pid 3622] <... openat resumed>) = 3 [pid 4297] chdir("./88" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] fstat(3, [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 90 [pid 4297] <... chdir resumed>) = 0 [pid 3623] unlink("./90/cgroup.net" [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3622] getdents64(3, [pid 4297] <... prctl resumed>) = 0 [pid 3623] umount2("./90/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4297] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4297] <... setpgid resumed>) = 0 [pid 3623] lstat("./90/cpuset.effective_cpus", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4297] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] lstat("./92/binderfs", [pid 4297] <... symlink resumed>) = 0 [pid 3623] unlink("./90/cpuset.effective_cpus" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4297] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./92/binderfs" [pid 3623] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 4297] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./90/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./92/cgroup", [pid 3623] unlink("./90/cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./92/cgroup" [pid 3623] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] close(3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... close resumed>) = 0 [pid 3622] lstat("./92/cgroup.net", [pid 4297] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] rmdir("./90" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] unlink("./92/cgroup.net" [pid 3623] mkdir("./91", 0777 [pid 3622] <... unlink resumed>) = 0 [pid 4297] <... symlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] umount2("./92/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4299 attached [pid 4297] <... openat resumed>) = 3 [pid 3622] lstat("./92/cpuset.effective_cpus", [pid 4299] chdir("./91" [pid 4297] write(3, "1000", 4 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 93 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4299] <... chdir resumed>) = 0 [pid 4297] <... write resumed>) = 4 [pid 3622] unlink("./92/cpuset.effective_cpus" [pid 4299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4297] close(3 [pid 3622] <... unlink resumed>) = 0 [pid 4299] <... prctl resumed>) = 0 [pid 4297] <... close resumed>) = 0 [pid 3622] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4299] setpgid(0, 0 [pid 4297] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4299] <... setpgid resumed>) = 0 [pid 4297] <... symlink resumed>) = 0 [pid 3622] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] unlink("./92/cgroup.cpu") = 0 [pid 3622] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] close(3) = 0 [pid 3622] rmdir("./92" [pid 4299] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4297] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3622] <... rmdir resumed>) = 0 [pid 4299] <... symlink resumed>) = 0 [pid 4297] <... socket resumed>) = 3 [pid 3622] mkdir("./93", 0777 [pid 4299] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4297] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... mkdir resumed>) = 0 [pid 4299] <... symlink resumed>) = 0 [pid 4297] <... sendmsg resumed>) = 56 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4300 attached [pid 4299] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4297] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4300] chdir("./93" [pid 4299] <... symlink resumed>) = 0 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 95 [pid 4300] <... chdir resumed>) = 0 [pid 4299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4297] <... openat resumed>) = 4 [pid 4300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4299] <... openat resumed>) = 3 [pid 4297] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4300] <... prctl resumed>) = 0 [pid 4299] write(3, "1000", 4 [pid 4300] setpgid(0, 0) = 0 [pid 4299] <... write resumed>) = 4 [pid 4300] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4299] close(3 [pid 4300] <... symlink resumed>) = 0 [pid 4299] <... close resumed>) = 0 [pid 4300] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4299] symlink("/dev/binderfs", "./binderfs" [pid 4300] <... symlink resumed>) = 0 [pid 4300] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4299] <... symlink resumed>) = 0 [pid 4300] <... symlink resumed>) = 0 [pid 4299] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4299] <... socket resumed>) = 3 [pid 4300] <... openat resumed>) = 3 [pid 4300] write(3, "1000", 4 [pid 4299] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4300] <... write resumed>) = 4 [pid 4300] close(3 [pid 4299] <... sendmsg resumed>) = 56 [pid 4300] <... close resumed>) = 0 [pid 4299] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4300] symlink("/dev/binderfs", "./binderfs" [pid 4299] <... openat resumed>) = 4 [pid 4300] <... symlink resumed>) = 0 [pid 4299] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4300] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4300] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4300] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4300] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4300] close(3 [pid 4299] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4300] <... close resumed>) = 0 [pid 4300] close(4 [pid 4299] close(3 [pid 4300] <... close resumed>) = 0 [pid 4299] <... close resumed>) = 0 [pid 4300] close(5) = -1 EBADF (Bad file descriptor) [pid 4299] close(4 [pid 4300] close(6 [pid 4299] <... close resumed>) = 0 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(5 [pid 4300] close(7 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(6 [pid 4300] close(8 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(7 [pid 4300] close(9 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(8 [pid 4300] close(10 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(9 [pid 4300] close(11 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(10 [pid 4300] close(12 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 87.609992][ T4297] siw: device registration error -23 [ 87.658188][ T4299] siw: device registration error -23 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(11 [pid 4300] close(13 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(12 [pid 4300] close(14 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(13 [pid 4300] close(15 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(14 [pid 4300] close(16 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(15 [pid 4300] close(17 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(16 [pid 4297] close(3 [pid 4300] close(18 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(17 [pid 4297] <... close resumed>) = 0 [pid 4300] close(19 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(4 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(18 [pid 4297] <... close resumed>) = 0 [pid 4300] close(20 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(5) = -1 EBADF (Bad file descriptor) [pid 4297] close(6) = -1 EBADF (Bad file descriptor) [pid 4297] close(7 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] close(19 [pid 4300] close(21 [pid 4297] close(8) = -1 EBADF (Bad file descriptor) [pid 4297] close(9) = -1 EBADF (Bad file descriptor) [pid 4297] close(10) = -1 EBADF (Bad file descriptor) [pid 4297] close(11) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(12 [pid 4300] close(22 [pid 4299] close(20 [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(13 [pid 4300] close(23 [pid 4299] close(21 [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(14 [pid 4300] close(24 [pid 4299] close(22 [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(15 [pid 4300] close(25 [pid 4299] close(23 [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(16 [pid 4300] close(26 [pid 4299] close(24 [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(17) = -1 EBADF (Bad file descriptor) [pid 4297] close(18) = -1 EBADF (Bad file descriptor) [pid 4297] close(19) = -1 EBADF (Bad file descriptor) [pid 4300] close(27 [pid 4299] close(25 [pid 4297] close(20 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] close(28 [pid 4299] close(26 [pid 4297] close(21 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] close(29 [pid 4299] close(27 [pid 4297] close(22) = -1 EBADF (Bad file descriptor) [pid 4297] close(23) = -1 EBADF (Bad file descriptor) [pid 4297] close(24 [pid 4300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4300] exit_group(0 [pid 4299] close(28 [pid 4297] close(25 [pid 4300] <... exit_group resumed>) = ? [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] close(26) = -1 EBADF (Bad file descriptor) [pid 4300] +++ exited with 0 +++ [pid 4299] close(29 [pid 4297] close(27 [pid 4299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4299] exit_group(0 [pid 4297] close(28 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4299] <... exit_group resumed>) = ? [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... restart_syscall resumed>) = 0 [pid 4297] close(29 [pid 4299] +++ exited with 0 +++ [pid 4297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4297] exit_group(0 [pid 3622] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4297] <... exit_group resumed>) = ? [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4297] +++ exited with 0 +++ [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3622] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] fstat(3, [pid 3622] lstat("./93/binderfs", [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] getdents64(3, [pid 3622] unlink("./93/binderfs" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./91/binderfs", [pid 3622] lstat("./93/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./91/binderfs" [pid 3622] unlink("./93/cgroup" [pid 3619] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./91/cgroup", [pid 3622] lstat("./93/cgroup.net", [pid 3619] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./91/cgroup" [pid 3622] unlink("./93/cgroup.net" [pid 3619] <... openat resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./93/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./91/cgroup.net", [pid 3622] lstat("./93/cpuset.effective_cpus", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] getdents64(3, [pid 3623] unlink("./91/cgroup.net" [pid 3622] unlink("./93/cpuset.effective_cpus" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./91/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./91/cpuset.effective_cpus", [pid 3622] lstat("./93/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./91/cpuset.effective_cpus" [pid 3622] unlink("./93/cgroup.cpu" [pid 3619] lstat("./88/binderfs", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] lstat("./91/cgroup.cpu", [pid 3622] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... close resumed>) = 0 [pid 3623] unlink("./91/cgroup.cpu" [pid 3622] rmdir("./93" [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] getdents64(3, [pid 3622] mkdir("./94", 0777 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] close(3 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4305 attached [pid 3623] <... close resumed>) = 0 [pid 3619] unlink("./88/binderfs" [pid 4305] chdir("./94" [pid 3623] rmdir("./91" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 96 [pid 4305] <... chdir resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] mkdir("./92", 0777 [pid 3619] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4305] <... prctl resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4305] setpgid(0, 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./88/cgroup", ./strace-static-x86_64: Process 4307 attached [pid 4305] <... setpgid resumed>) = 0 [pid 4307] chdir("./92" [pid 4305] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 94 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4307] <... chdir resumed>) = 0 [pid 4305] <... symlink resumed>) = 0 [pid 4305] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4305] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4305] <... openat resumed>) = 3 [pid 3619] unlink("./88/cgroup" [pid 4307] <... prctl resumed>) = 0 [pid 4305] write(3, "1000", 4 [pid 4307] setpgid(0, 0 [pid 4305] <... write resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4307] <... setpgid resumed>) = 0 [pid 4305] close(3 [pid 3619] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4307] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4305] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4307] <... symlink resumed>) = 0 [pid 4305] symlink("/dev/binderfs", "./binderfs" [pid 3619] lstat("./88/cgroup.net", [pid 4307] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4305] <... symlink resumed>) = 0 [pid 4307] <... symlink resumed>) = 0 [pid 4305] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4307] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4305] <... socket resumed>) = 3 [pid 3619] unlink("./88/cgroup.net" [pid 4307] <... symlink resumed>) = 0 [pid 4305] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4305] <... sendmsg resumed>) = 56 [pid 3619] <... unlink resumed>) = 0 [pid 4307] <... openat resumed>) = 3 [pid 4305] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] umount2("./88/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4307] write(3, "1000", 4 [pid 4305] <... openat resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4307] <... write resumed>) = 4 [pid 4305] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] lstat("./88/cpuset.effective_cpus", [pid 4307] close(3) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4307] symlink("/dev/binderfs", "./binderfs" [pid 3619] unlink("./88/cpuset.effective_cpus" [pid 4307] <... symlink resumed>) = 0 [pid 4307] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... unlink resumed>) = 0 [pid 4307] <... socket resumed>) = 3 [pid 3619] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4307] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4307] <... sendmsg resumed>) = 56 [pid 4307] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] lstat("./88/cgroup.cpu", [pid 4307] <... openat resumed>) = 4 [pid 4307] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./88/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./88") = 0 [pid 3619] mkdir("./89", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4308 attached [pid 4308] chdir("./89" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 91 [pid 4308] <... chdir resumed>) = 0 [pid 4308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4308] setpgid(0, 0) = 0 [pid 4308] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4308] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4308] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4308] write(3, "1000", 4) = 4 [pid 4308] close(3) = 0 [pid 4308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4308] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4308] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4308] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4308] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4307] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4308] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4307] close(3 [pid 4305] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4308] close(3 [pid 4307] <... close resumed>) = 0 [pid 4305] close(3 [pid 4308] <... close resumed>) = 0 [pid 4307] close(4 [pid 4305] <... close resumed>) = 0 [pid 4308] close(4 [pid 4307] <... close resumed>) = 0 [ 87.848908][ T4307] siw: device registration error -23 [pid 4305] close(4 [pid 4308] <... close resumed>) = 0 [pid 4307] close(5 [pid 4305] <... close resumed>) = 0 [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(5 [pid 4307] close(6 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(6 [pid 4307] close(7 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(7 [pid 4307] close(8 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(8 [pid 4308] close(5 [pid 4307] close(9 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(9 [pid 4308] close(6 [pid 4307] close(10 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(10 [pid 4308] close(7 [pid 4307] close(11 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(11 [pid 4307] close(12 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(12 [pid 4308] close(8 [pid 4307] close(13 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(13 [pid 4308] close(9 [pid 4307] close(14 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(14 [pid 4308] close(10 [pid 4307] close(15 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(15 [pid 4308] close(11 [pid 4307] close(16 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(16 [pid 4308] close(12 [pid 4307] close(17 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(17 [pid 4308] close(13 [pid 4307] close(18 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(18 [pid 4308] close(14 [pid 4307] close(19 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(19 [pid 4308] close(15 [pid 4307] close(20 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 87.899041][ T4308] siw: device registration error -23 [pid 4305] close(20 [pid 4308] close(16 [pid 4307] close(21 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(21 [pid 4307] close(22 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(22 [pid 4307] close(23 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(23 [pid 4307] close(24 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] close(17 [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(24 [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] close(25 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(25 [pid 4307] close(26 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(26 [pid 4307] close(27 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(27 [pid 4308] close(18 [pid 4307] close(28 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(28 [pid 4307] close(29 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4305] close(29 [pid 4307] exit_group(0 [pid 4305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4307] <... exit_group resumed>) = ? [pid 4305] exit_group(0 [pid 4307] +++ exited with 0 +++ [pid 4305] <... exit_group resumed>) = ? [pid 4308] close(19 [pid 4305] +++ exited with 0 +++ [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3623] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4308] close(20 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4308] close(21 [pid 3623] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 3622] <... openat resumed>) = 3 [pid 4308] close(22 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] fstat(3, [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4308] close(23 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] getdents64(3, [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4308] close(24 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./92/binderfs", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4308] close(25 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] lstat("./94/binderfs", [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./92/binderfs" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4308] close(26 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./94/binderfs" [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 4308] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./92/cgroup", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4308] close(28 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] lstat("./94/cgroup", [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./92/cgroup" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4308] close(29 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./94/cgroup" [pid 4308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 4308] exit_group(0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4308] <... exit_group resumed>) = ? [pid 3623] lstat("./92/cgroup.net", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./94/cgroup.net", [pid 4308] +++ exited with 0 +++ [pid 3623] unlink("./92/cgroup.net" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./94/cgroup.net" [pid 3623] umount2("./92/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./94/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./92/cpuset.effective_cpus", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] lstat("./94/cpuset.effective_cpus", [pid 3623] unlink("./92/cpuset.effective_cpus" [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./94/cpuset.effective_cpus" [pid 3623] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3623] lstat("./92/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./94/cgroup.cpu", [pid 3623] unlink("./92/cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3622] unlink("./94/cgroup.cpu" [pid 3623] getdents64(3, [pid 3622] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] getdents64(3, [pid 3623] close(3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] close(3 [pid 3623] rmdir("./92" [pid 3622] <... close resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3622] rmdir("./94" [pid 3623] mkdir("./93", 0777 [pid 3622] <... rmdir resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] mkdir("./95", 0777 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4312 attached [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4313 attached [pid 4312] chdir("./93" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 95 [pid 3619] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4313] chdir("./95" [pid 4312] <... chdir resumed>) = 0 [pid 4313] <... chdir resumed>) = 0 [pid 4312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 97 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4312] <... prctl resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4313] <... prctl resumed>) = 0 [pid 4312] setpgid(0, 0 [pid 4313] setpgid(0, 0 [pid 4312] <... setpgid resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4313] <... setpgid resumed>) = 0 [pid 4312] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] fstat(3, [pid 4313] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4312] <... symlink resumed>) = 0 [pid 4313] <... symlink resumed>) = 0 [pid 4312] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4313] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4312] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 4313] <... symlink resumed>) = 0 [pid 4312] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4312] write(3, "1000", 4) = 4 [pid 4312] close(3 [pid 4313] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4312] <... close resumed>) = 0 [pid 3619] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4313] <... symlink resumed>) = 0 [pid 4312] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4312] <... symlink resumed>) = 0 [pid 3619] lstat("./89/binderfs", [pid 4313] <... openat resumed>) = 3 [pid 4312] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4313] write(3, "1000", 4 [pid 4312] <... socket resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4313] <... write resumed>) = 4 [pid 4312] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] unlink("./89/binderfs" [pid 4313] close(3 [pid 4312] <... sendmsg resumed>) = 56 [pid 4313] <... close resumed>) = 0 [pid 4312] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... unlink resumed>) = 0 [pid 4313] symlink("/dev/binderfs", "./binderfs" [pid 4312] <... openat resumed>) = 4 [pid 3619] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4313] <... symlink resumed>) = 0 [pid 4312] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4313] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4313] <... socket resumed>) = 3 [pid 3619] lstat("./89/cgroup", [pid 4313] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4313] <... sendmsg resumed>) = 56 [pid 3619] unlink("./89/cgroup" [pid 4313] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... unlink resumed>) = 0 [pid 4313] <... openat resumed>) = 4 [pid 4313] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./89/cgroup.net") = 0 [pid 3619] umount2("./89/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./89/cpuset.effective_cpus") = 0 [pid 3619] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./89/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./89") = 0 [ 88.050124][ T4312] siw: device registration error -23 [pid 3619] mkdir("./90", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4315 attached [pid 4315] chdir("./90" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 92 [pid 4315] <... chdir resumed>) = 0 [pid 4315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4315] setpgid(0, 0) = 0 [pid 4315] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4315] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4315] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4312] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4315] <... openat resumed>) = 3 [pid 4313] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4315] write(3, "1000", 4 [pid 4313] close(3 [pid 4312] close(3 [pid 4315] <... write resumed>) = 4 [pid 4313] <... close resumed>) = 0 [pid 4312] <... close resumed>) = 0 [pid 4315] close(3 [pid 4313] close(4 [pid 4315] <... close resumed>) = 0 [pid 4313] <... close resumed>) = 0 [pid 4312] close(4 [pid 4315] symlink("/dev/binderfs", "./binderfs" [pid 4313] close(5 [pid 4312] <... close resumed>) = 0 [pid 4315] <... symlink resumed>) = 0 [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(5 [pid 4315] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4313] close(6 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... socket resumed>) = 3 [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(6 [pid 4315] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4313] close(7 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... sendmsg resumed>) = 56 [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(7 [pid 4315] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4313] close(8 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... openat resumed>) = 4 [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(8 [pid 4315] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4313] close(9 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(9 [pid 4315] close(3 [pid 4313] close(10 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = 0 [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(10 [pid 4315] close(4 [pid 4313] close(11 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = 0 [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(11 [pid 4315] close(5 [pid 4313] close(12 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(12 [pid 4315] close(6 [pid 4313] close(13 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(13 [pid 4315] close(7 [pid 4313] close(14 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(14 [pid 4315] close(8 [pid 4313] close(15 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(15 [pid 4315] close(9 [pid 4313] close(16 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(16 [pid 4315] close(10 [pid 4313] close(17 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(17 [pid 4315] close(11 [pid 4313] close(18 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(18 [pid 4315] close(12 [pid 4313] close(19 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(19 [pid 4315] close(13 [pid 4313] close(20 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(20 [pid 4315] close(14 [pid 4313] close(21 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(21 [pid 4315] close(15 [pid 4313] close(22 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(22 [pid 4315] close(16 [pid 4313] close(23 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(23 [pid 4315] close(17 [pid 4313] close(24 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(24 [pid 4315] close(18 [pid 4313] close(25 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(25 [pid 4315] close(19 [pid 4313] close(26 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(26 [pid 4315] close(20 [pid 4313] close(27 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(27 [pid 4315] close(21 [pid 4313] close(28 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(28 [pid 4315] close(22 [pid 4313] close(29 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] close(29 [pid 4315] close(23 [pid 4313] exit_group(0 [pid 4312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4313] <... exit_group resumed>) = ? [pid 4312] exit_group(0 [pid 4315] close(24 [pid 4313] +++ exited with 0 +++ [pid 4312] <... exit_group resumed>) = ? [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4312] +++ exited with 0 +++ [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4315] close(25) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4315] close(26 [ 88.153431][ T4315] siw: device registration error -23 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4315] close(27 [pid 3622] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 4315] close(28 [pid 3623] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] fstat(3, [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4315] close(29 [pid 3623] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] getdents64(3, [pid 4315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4315] exit_group(0 [pid 3623] fstat(3, [pid 3622] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4315] <... exit_group resumed>) = ? [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4315] +++ exited with 0 +++ [pid 3623] getdents64(3, [pid 3622] lstat("./95/binderfs", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3623] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./95/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./93/binderfs", [pid 3622] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./93/binderfs" [pid 3622] lstat("./95/cgroup", [pid 3619] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./95/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./93/cgroup", [pid 3622] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./93/cgroup" [pid 3622] lstat("./95/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./95/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./93/cgroup.net", [pid 3622] umount2("./95/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./93/cgroup.net" [pid 3622] lstat("./95/cpuset.effective_cpus", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] umount2("./93/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./95/cpuset.effective_cpus" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3623] lstat("./93/cpuset.effective_cpus", [pid 3622] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] unlink("./93/cpuset.effective_cpus" [pid 3622] lstat("./95/cgroup.cpu", [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] unlink("./95/cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... unlink resumed>) = 0 [pid 3619] fstat(3, [pid 3623] lstat("./93/cgroup.cpu", [pid 3622] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./93/cgroup.cpu" [pid 3622] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] getdents64(3, [pid 3622] rmdir("./95" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] close(3 [pid 3622] mkdir("./96", 0777 [pid 3623] <... close resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./93" [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4320 attached [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4320] chdir("./96" [pid 3623] mkdir("./94", 0777 [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 98 [pid 4320] <... chdir resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] lstat("./90/binderfs", [pid 4320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4322 attached [pid 4320] <... prctl resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4322] chdir("./94" [pid 4320] setpgid(0, 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 96 [pid 4320] <... setpgid resumed>) = 0 [pid 4320] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4320] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4322] <... chdir resumed>) = 0 [pid 4320] <... symlink resumed>) = 0 [pid 3619] unlink("./90/binderfs" [pid 4322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4320] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4322] <... prctl resumed>) = 0 [pid 4320] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4322] setpgid(0, 0 [pid 4320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] <... setpgid resumed>) = 0 [pid 4320] <... openat resumed>) = 3 [pid 4320] write(3, "1000", 4 [pid 4322] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4320] <... write resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] <... symlink resumed>) = 0 [pid 4320] close(3 [pid 4322] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4320] <... close resumed>) = 0 [pid 3619] lstat("./90/cgroup", [pid 4322] <... symlink resumed>) = 0 [pid 4320] symlink("/dev/binderfs", "./binderfs" [pid 4322] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4320] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4322] <... symlink resumed>) = 0 [pid 4320] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] unlink("./90/cgroup" [pid 4322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4320] <... socket resumed>) = 3 [pid 4322] <... openat resumed>) = 3 [pid 4320] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... unlink resumed>) = 0 [pid 4322] write(3, "1000", 4 [pid 4320] <... sendmsg resumed>) = 56 [pid 3619] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] <... write resumed>) = 4 [pid 4320] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] close(3 [pid 4320] <... openat resumed>) = 4 [pid 4320] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4322] <... close resumed>) = 0 [pid 3619] lstat("./90/cgroup.net", [pid 4322] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4322] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] unlink("./90/cgroup.net" [pid 4322] <... socket resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 4322] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] umount2("./90/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] <... sendmsg resumed>) = 56 [pid 4322] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] <... openat resumed>) = 4 [pid 3619] lstat("./90/cpuset.effective_cpus", [pid 4322] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./90/cpuset.effective_cpus") = 0 [pid 3619] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./90/cgroup.cpu") = 0 [pid 3619] getdents64(3, [pid 4320] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./90" [pid 4320] close(3 [pid 3619] <... rmdir resumed>) = 0 [pid 4320] <... close resumed>) = 0 [pid 4320] close(4) = 0 [pid 3619] mkdir("./91", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4320] close(5./strace-static-x86_64: Process 4325 attached [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 93 [pid 4325] chdir("./91") = 0 [pid 4325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4325] setpgid(0, 0) = 0 [pid 4325] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4325] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4325] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4325] write(3, "1000", 4 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] <... write resumed>) = 4 [pid 4320] close(6 [pid 4325] close(3 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] <... close resumed>) = 0 [pid 4320] close(7 [pid 4325] symlink("/dev/binderfs", "./binderfs" [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] <... symlink resumed>) = 0 [pid 4320] close(8 [pid 4325] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 88.314399][ T4322] siw: device registration error -23 [pid 4320] close(9 [pid 4325] <... sendmsg resumed>) = 56 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4320] close(10 [pid 4325] <... openat resumed>) = 4 [pid 4322] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4322] close(3 [pid 4320] close(11 [pid 4325] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(3 [pid 4320] close(12 [pid 4325] <... close resumed>) = 0 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(4 [pid 4320] close(13 [pid 4325] <... close resumed>) = 0 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(5 [pid 4320] close(14 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(6 [pid 4320] close(15 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(7 [pid 4320] close(16 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(8 [pid 4320] close(17 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(9 [pid 4322] <... close resumed>) = 0 [pid 4320] close(18 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(10 [pid 4320] close(19 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(11 [pid 4320] close(20 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] close(4 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(12 [pid 4322] <... close resumed>) = 0 [pid 4320] close(21 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] close(5 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(13 [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] close(22 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] close(6 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(14 [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] close(23 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] close(7 [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(15 [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] close(24 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(16 [pid 4320] close(25 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(17 [pid 4320] close(26 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(18 [pid 4320] close(27 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(19 [pid 4320] close(28 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(20 [pid 4320] close(29 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(21 [pid 4320] exit_group(0 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4320] <... exit_group resumed>) = ? [ 88.377757][ T4325] siw: device registration error -23 [pid 4325] close(22 [pid 4322] close(8 [pid 4320] +++ exited with 0 +++ [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(23 [pid 4322] close(9 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4325] close(24 [pid 4322] close(10 [pid 3622] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(25 [pid 4322] close(11 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4325] close(26 [pid 4322] close(12 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... openat resumed>) = 3 [pid 4325] close(27 [pid 4322] close(13 [pid 3622] fstat(3, [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(28 [pid 4322] close(14 [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] close(29 [pid 4322] close(15 [pid 3622] getdents64(3, [pid 4325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4325] exit_group(0 [pid 4322] close(16 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4325] <... exit_group resumed>) = ? [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4325] +++ exited with 0 +++ [pid 4322] close(17 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./96/binderfs", [pid 4322] close(18 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4322] close(19 [pid 3622] unlink("./96/binderfs" [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4322] close(20 [pid 3622] <... unlink resumed>) = 0 [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] close(21 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./96/cgroup", [pid 4322] close(22) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] close(23 [pid 3622] unlink("./96/cgroup" [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] close(24 [pid 3622] <... unlink resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] close(25 [pid 3619] <... openat resumed>) = 3 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] lstat("./96/cgroup.net", [pid 3619] fstat(3, [pid 4322] close(26) = -1 EBADF (Bad file descriptor) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4322] close(27 [pid 3622] unlink("./96/cgroup.net" [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4322] close(28 [pid 3622] <... unlink resumed>) = 0 [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3622] umount2("./96/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] close(29 [pid 3619] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] exit_group(0 [pid 3622] lstat("./96/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4322] <... exit_group resumed>) = ? [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./91/binderfs", [pid 4322] +++ exited with 0 +++ [pid 3622] unlink("./96/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./91/binderfs" [pid 3622] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./96/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./91/cgroup", [pid 3622] unlink("./96/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./91/cgroup" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... close resumed>) = 0 [pid 3619] lstat("./91/cgroup.net", [pid 3623] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] rmdir("./96" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... rmdir resumed>) = 0 [pid 3619] unlink("./91/cgroup.net" [pid 3623] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] mkdir("./97", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... mkdir resumed>) = 0 [pid 3619] umount2("./91/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4328 attached [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./91/cpuset.effective_cpus", [pid 4328] chdir("./97" [pid 3622] <... clone resumed>, child_tidptr=0x5555558f4690) = 99 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4328] <... chdir resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] unlink("./91/cpuset.effective_cpus" [pid 4328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 4328] <... prctl resumed>) = 0 [pid 3623] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4328] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4328] <... setpgid resumed>) = 0 [pid 3623] lstat("./94/binderfs", [pid 3619] lstat("./91/cgroup.cpu", [pid 4328] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./94/binderfs" [pid 3619] unlink("./91/cgroup.cpu" [pid 4328] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4328] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3623] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 4328] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4328] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3623] lstat("./94/cgroup", [pid 4328] <... symlink resumed>) = 0 [pid 3619] close(3 [pid 4328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4328] write(3, "1000", 4) = 4 [pid 4328] close(3) = 0 [pid 4328] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... close resumed>) = 0 [pid 4328] <... symlink resumed>) = 0 [pid 3623] unlink("./94/cgroup" [pid 4328] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] rmdir("./91" [pid 4328] <... socket resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 4328] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4328] <... sendmsg resumed>) = 56 [pid 4328] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4328] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./92", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3623] lstat("./94/cgroup.net", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4330 attached [pid 3623] unlink("./94/cgroup.net" [pid 4330] chdir("./92" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 94 [pid 3623] umount2("./94/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./94/cpuset.effective_cpus", [pid 4330] <... chdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./94/cpuset.effective_cpus" [pid 4330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4330] setpgid(0, 0) = 0 [pid 4330] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4330] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4330] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./94/cgroup.cpu", [pid 4330] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4330] write(3, "1000", 4 [pid 3623] unlink("./94/cgroup.cpu" [pid 4330] <... write resumed>) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3 [pid 4330] close(3 [pid 3623] <... close resumed>) = 0 [pid 4330] <... close resumed>) = 0 [pid 3623] rmdir("./94" [pid 4330] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 4330] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] mkdir("./95", 0777 [pid 4330] <... socket resumed>) = 3 [pid 4330] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 3623] <... mkdir resumed>) = 0 [pid 4330] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4330] <... openat resumed>) = 4 ./strace-static-x86_64: Process 4331 attached [pid 4330] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4331] chdir("./95" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 97 [pid 4331] <... chdir resumed>) = 0 [pid 4331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4331] setpgid(0, 0) = 0 [pid 4331] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4331] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4331] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4331] write(3, "1000", 4) = 4 [pid 4331] close(3) = 0 [pid 4331] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4331] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4331] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4331] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 88.526798][ T4330] siw: device registration error -23 [pid 4331] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4328] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4331] close(3) = 0 [pid 4328] close(3 [pid 4331] close(4) = 0 [pid 4328] <... close resumed>) = 0 [pid 4331] close(5) = -1 EBADF (Bad file descriptor) [pid 4331] close(6) = -1 EBADF (Bad file descriptor) [pid 4328] close(4 [pid 4331] close(7) = -1 EBADF (Bad file descriptor) [pid 4331] close(8) = -1 EBADF (Bad file descriptor) [pid 4331] close(9) = -1 EBADF (Bad file descriptor) [pid 4331] close(10) = -1 EBADF (Bad file descriptor) [pid 4331] close(11 [pid 4328] <... close resumed>) = 0 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(12 [pid 4328] close(5 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(13) = -1 EBADF (Bad file descriptor) [pid 4331] close(14) = -1 EBADF (Bad file descriptor) [pid 4331] close(15 [pid 4330] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(6) = -1 EBADF (Bad file descriptor) [pid 4328] close(7 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(16) = -1 EBADF (Bad file descriptor) [pid 4331] close(17) = -1 EBADF (Bad file descriptor) [pid 4328] close(8 [pid 4331] close(18 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(9 [pid 4331] close(19 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(10 [pid 4331] close(20 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(11 [pid 4331] close(21 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(12 [pid 4331] close(22 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(13 [pid 4331] close(23 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(14 [pid 4331] close(24 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 88.573955][ T4331] siw: device registration error -23 [pid 4328] close(15) = -1 EBADF (Bad file descriptor) [pid 4328] close(16) = -1 EBADF (Bad file descriptor) [pid 4328] close(17) = -1 EBADF (Bad file descriptor) [pid 4328] close(18) = -1 EBADF (Bad file descriptor) [pid 4331] close(25 [pid 4328] close(19 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(26 [pid 4328] close(20 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] close(3 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(27 [pid 4330] <... close resumed>) = 0 [pid 4328] close(21 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] close(4 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(28 [pid 4330] <... close resumed>) = 0 [pid 4328] close(22 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] close(5 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] close(29 [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(23 [pid 4331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] close(6 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4331] exit_group(0 [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(24 [pid 4331] <... exit_group resumed>) = ? [pid 4330] close(7 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(25 [pid 4331] +++ exited with 0 +++ [pid 4330] close(8 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(26 [pid 4330] close(9 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(27 [pid 3623] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4330] close(10 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(28 [pid 4330] close(11 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] close(29 [pid 4330] close(12 [pid 4328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] exit_group(0 [pid 4330] close(13 [pid 4328] <... exit_group resumed>) = ? [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4328] +++ exited with 0 +++ [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4330] close(14) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4330] close(15) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3622] restart_syscall(<... resuming interrupted clone ...> [pid 4330] close(16 [pid 3623] fstat(3, [pid 3622] <... restart_syscall resumed>) = 0 [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4330] close(17) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 4330] close(18) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4330] close(19 [pid 3622] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4330] close(20 [pid 3623] lstat("./95/binderfs", [pid 3622] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4330] close(21 [pid 3622] <... openat resumed>) = 3 [pid 3623] unlink("./95/binderfs" [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] fstat(3, [pid 4330] close(22 [pid 3623] <... unlink resumed>) = 0 [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3622] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4330] close(23 [pid 3622] getdents64(3, [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] close(24) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4330] close(25 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4330] close(26) = -1 EBADF (Bad file descriptor) [pid 4330] close(27) = -1 EBADF (Bad file descriptor) [pid 4330] close(28) = -1 EBADF (Bad file descriptor) [pid 4330] close(29) = -1 EBADF (Bad file descriptor) [pid 4330] exit_group(0) = ? [pid 4330] +++ exited with 0 +++ [pid 3623] lstat("./95/cgroup", [pid 3622] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./95/cgroup") = 0 [pid 3623] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./95/cgroup.net" [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... unlink resumed>) = 0 [pid 3622] lstat("./97/binderfs", [pid 3623] umount2("./95/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] lstat("./95/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3622] unlink("./97/binderfs" [pid 3623] unlink("./95/cpuset.effective_cpus") = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3623] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./95/cgroup.cpu", [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] lstat("./97/cgroup", [pid 3619] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./95/cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./95") = 0 [pid 3623] mkdir("./96", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4334 attached [pid 4334] chdir("./96" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 98 [pid 3622] unlink("./97/cgroup" [pid 3619] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4334] <... chdir resumed>) = 0 [pid 4334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3622] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4334] <... prctl resumed>) = 0 [pid 3622] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 4334] setpgid(0, 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] <... setpgid resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4334] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3622] lstat("./97/cgroup.net", [pid 4334] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 4334] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4334] <... symlink resumed>) = 0 [pid 3622] unlink("./97/cgroup.net" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4334] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] umount2("./97/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4334] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] write(3, "1000", 4 [pid 3622] lstat("./97/cpuset.effective_cpus", [pid 3619] lstat("./92/binderfs", [pid 4334] <... write resumed>) = 4 [pid 3622] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4334] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3622] unlink("./97/cpuset.effective_cpus" [pid 4334] <... close resumed>) = 0 [pid 3619] unlink("./92/binderfs" [pid 4334] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4334] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4334] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3622] <... unlink resumed>) = 0 [pid 4334] <... sendmsg resumed>) = 56 [pid 4334] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4334] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3622] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] lstat("./97/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./92/cgroup", [pid 3622] unlink("./97/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3622] <... unlink resumed>) = 0 [pid 3619] unlink("./92/cgroup" [pid 3622] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... close resumed>) = 0 [pid 3619] lstat("./92/cgroup.net", [pid 3622] rmdir("./97" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3622] <... rmdir resumed>) = 0 [pid 3619] unlink("./92/cgroup.net" [pid 3622] mkdir("./98", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3622] <... mkdir resumed>) = -1 ENOSPC (No space left on device) [pid 3619] umount2("./92/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3622] exit_group(1 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... exit_group resumed>) = ? [pid 3619] lstat("./92/cpuset.effective_cpus", [pid 4334] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4334] close(3 [pid 3619] unlink("./92/cpuset.effective_cpus" [pid 4334] <... close resumed>) = 0 [ 88.702589][ T4334] siw: device registration error -23 [pid 4334] close(4) = 0 [pid 4334] close(5) = -1 EBADF (Bad file descriptor) [pid 4334] close(6 [pid 3619] <... unlink resumed>) = 0 [pid 3622] +++ exited with 1 +++ [pid 3619] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] close(7 [pid 3619] lstat("./92/cgroup.cpu", [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=1, si_utime=2, si_stime=203} --- [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./92/cgroup.cpu" [pid 4334] close(8 [pid 3619] <... unlink resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x5555558f4690) = -1 ENOMEM (Cannot allocate memory) [pid 3619] getdents64(3, [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] close(3 [pid 4334] close(9 [pid 3619] <... close resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x5555558f4690) = -1 ENOMEM (Cannot allocate memory) [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4334] close(10) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./92" [pid 4334] close(11) = -1 EBADF (Bad file descriptor) [pid 4334] close(12 [pid 3619] <... rmdir resumed>) = 0 [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./93", 0777 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4334] close(13) = -1 EBADF (Bad file descriptor) [pid 3619] <... mkdir resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x5555558f4690) = -1 ENOMEM (Cannot allocate memory) [pid 4334] close(14) = -1 EBADF (Bad file descriptor) [pid 4334] close(15) = -1 EBADF (Bad file descriptor) [pid 4334] close(16) = -1 EBADF (Bad file descriptor) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4334] close(17) = -1 EBADF (Bad file descriptor) [pid 4334] close(18 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... clone resumed>, child_tidptr=0x5555558f4690) = -1 ENOMEM (Cannot allocate memory) [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4334] close(19) = -1 EBADF (Bad file descriptor) [pid 4334] close(20./strace-static-x86_64: Process 4343 attached ) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 95 [pid 4334] close(21) = -1 EBADF (Bad file descriptor) [pid 4343] chdir("./93" [pid 4334] close(22) = -1 EBADF (Bad file descriptor) [pid 4334] close(23) = -1 EBADF (Bad file descriptor) [pid 4334] close(24) = -1 EBADF (Bad file descriptor) [pid 4334] close(25) = -1 EBADF (Bad file descriptor) [pid 4334] close(26) = -1 EBADF (Bad file descriptor) [pid 4343] <... chdir resumed>) = 0 [pid 4334] close(27 [pid 4343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4343] <... prctl resumed>) = 0 [pid 4334] close(28 [pid 4343] setpgid(0, 0 [pid 4334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4343] <... setpgid resumed>) = 0 [pid 4334] close(29) = -1 EBADF (Bad file descriptor) [pid 4343] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4334] exit_group(0 [pid 4343] <... symlink resumed>) = 0 [pid 4334] <... exit_group resumed>) = ? [pid 4343] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4334] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4343] <... symlink resumed>) = 0 [pid 3623] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4343] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] unlink("./96/binderfs" [pid 4343] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 4343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4343] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./96/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4343] write(3, "1000", 4 [pid 3623] unlink("./96/cgroup" [pid 4343] <... write resumed>) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 4343] close(3 [pid 3623] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4343] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4343] symlink("/dev/binderfs", "./binderfs" [ 88.781559][ T1350] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [pid 3623] lstat("./96/cgroup.net", [pid 4343] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./96/cgroup.net") = 0 [pid 3623] umount2("./96/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./96/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./96/cpuset.effective_cpus") = 0 [pid 3623] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./96/cgroup.cpu" [pid 4343] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./96") = 0 [pid 3623] mkdir("./97", 0777 [pid 4343] <... socket resumed>) = 3 [pid 3623] <... mkdir resumed>) = 0 [pid 4343] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4345 attached [pid 4343] <... sendmsg resumed>) = 56 [pid 4343] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4345] chdir("./97" [pid 4343] <... openat resumed>) = 4 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 99 [pid 4343] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4345] <... chdir resumed>) = 0 [pid 4345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4345] setpgid(0, 0) = 0 [pid 4345] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4345] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4345] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4345] write(3, "1000", 4) = 4 [pid 4345] close(3) = 0 [pid 4345] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4345] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4345] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4345] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 88.847902][ T1350] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.865651][ T4343] siw: device registration error -23 [ 88.884598][ T4345] siw: device registration error -23 [pid 4345] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4343] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4343] close(3) = 0 [pid 4343] close(4) = 0 [pid 4343] close(5) = -1 EBADF (Bad file descriptor) [pid 4343] close(6) = -1 EBADF (Bad file descriptor) [pid 4343] close(7) = -1 EBADF (Bad file descriptor) [pid 4343] close(8) = -1 EBADF (Bad file descriptor) [pid 4343] close(9) = -1 EBADF (Bad file descriptor) [pid 4343] close(10) = -1 EBADF (Bad file descriptor) [pid 4343] close(11) = -1 EBADF (Bad file descriptor) [pid 4343] close(12) = -1 EBADF (Bad file descriptor) [pid 4343] close(13) = -1 EBADF (Bad file descriptor) [pid 4343] close(14) = -1 EBADF (Bad file descriptor) [pid 4343] close(15) = -1 EBADF (Bad file descriptor) [pid 4343] close(16) = -1 EBADF (Bad file descriptor) [pid 4343] close(17) = -1 EBADF (Bad file descriptor) [pid 4343] close(18) = -1 EBADF (Bad file descriptor) [pid 4343] close(19) = -1 EBADF (Bad file descriptor) [pid 4343] close(20) = -1 EBADF (Bad file descriptor) [pid 4343] close(21) = -1 EBADF (Bad file descriptor) [pid 4343] close(22) = -1 EBADF (Bad file descriptor) [pid 4343] close(23) = -1 EBADF (Bad file descriptor) [pid 4343] close(24) = -1 EBADF (Bad file descriptor) [pid 4343] close(25) = -1 EBADF (Bad file descriptor) [pid 4343] close(26) = -1 EBADF (Bad file descriptor) [pid 4343] close(27) = -1 EBADF (Bad file descriptor) [pid 4343] close(28) = -1 EBADF (Bad file descriptor) [pid 4343] close(29) = -1 EBADF (Bad file descriptor) [pid 4343] exit_group(0) = ? [pid 4343] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./93/binderfs") = 0 [pid 3619] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./93/cgroup") = 0 [pid 3619] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./93/cgroup.net") = 0 [pid 3619] umount2("./93/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./93/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./93/cpuset.effective_cpus") = 0 [ 88.925617][ T1350] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [pid 3619] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./93/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./93") = 0 [pid 3619] mkdir("./94", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4348 attached [pid 4348] chdir("./94" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 96 [pid 4348] <... chdir resumed>) = 0 [pid 4348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4348] setpgid(0, 0) = 0 [pid 4348] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4348] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4348] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4348] write(3, "1000", 4) = 4 [pid 4348] close(3) = 0 [pid 4348] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4348] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4348] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4348] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 88.989605][ T1350] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [pid 4348] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4345] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4348] close(3 [pid 4345] close(3 [pid 4348] <... close resumed>) = 0 [pid 4345] <... close resumed>) = 0 [pid 4348] close(4 [pid 4345] close(4 [pid 4348] <... close resumed>) = 0 [pid 4345] <... close resumed>) = 0 [pid 4348] close(5 [pid 4345] close(5 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(6 [pid 4345] close(6 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(7 [pid 4345] close(7 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(8 [pid 4345] close(8 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(9 [pid 4345] close(9 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(10 [pid 4345] close(10 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(11 [pid 4345] close(11 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(12 [pid 4345] close(12 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(13 [pid 4345] close(13 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(14 [pid 4345] close(14 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(15 [pid 4345] close(15 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(16 [pid 4345] close(16 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(17 [pid 4345] close(17 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(18 [pid 4345] close(18 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(19 [pid 4345] close(19 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 89.040931][ T4348] siw: device registration error -23 [pid 4348] close(20 [pid 4345] close(20 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(21 [pid 4345] close(21 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(22 [pid 4345] close(22 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(23 [pid 4345] close(23 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(24 [pid 4345] close(24 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(25 [pid 4345] close(25 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(26 [pid 4345] close(26 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(27 [pid 4345] close(27 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(28 [pid 4345] close(28 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] close(29 [pid 4345] close(29 [pid 4348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4348] exit_group(0 [pid 4345] exit_group(0 [pid 4348] <... exit_group resumed>) = ? [pid 4345] <... exit_group resumed>) = ? [pid 4348] +++ exited with 0 +++ [pid 4345] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3623] <... openat resumed>) = 3 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] fstat(3, [pid 3619] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./94/binderfs") = 0 [pid 3619] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/cgroup", [pid 3623] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./94/cgroup" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/cgroup.net", [pid 3623] lstat("./97/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./94/cgroup.net" [pid 3623] unlink("./97/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./94/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./94/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./94/cpuset.effective_cpus") = 0 [pid 3619] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./97/cgroup", [pid 3619] unlink("./94/cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./97/cgroup" [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./94" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./95", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3623] lstat("./97/cgroup.net", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4351 attached [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4351] chdir("./95" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 97 [pid 4351] <... chdir resumed>) = 0 [pid 3623] unlink("./97/cgroup.net" [pid 4351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 4351] <... prctl resumed>) = 0 [pid 3623] umount2("./97/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4351] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./97/cpuset.effective_cpus", [pid 4351] <... setpgid resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4351] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] unlink("./97/cpuset.effective_cpus" [pid 4351] <... symlink resumed>) = 0 [pid 4351] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4351] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 4351] write(3, "1000", 4) = 4 [pid 4351] close(3) = 0 [pid 4351] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4351] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4351] <... socket resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4351] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] lstat("./97/cgroup.cpu", [pid 4351] <... sendmsg resumed>) = 56 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4351] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] unlink("./97/cgroup.cpu" [pid 4351] <... openat resumed>) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 4351] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./97") = 0 [pid 3623] mkdir("./98", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4352 attached [pid 4352] chdir("./98" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 100 [pid 4352] <... chdir resumed>) = 0 [pid 4352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4352] setpgid(0, 0) = 0 [pid 4352] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4352] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4352] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4352] write(3, "1000", 4) = 4 [pid 4352] close(3) = 0 [pid 4352] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4352] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4352] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4352] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 89.199637][ T4351] siw: device registration error -23 [pid 4352] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4352] close(3) = 0 [pid 4352] close(4) = 0 [pid 4352] close(5) = -1 EBADF (Bad file descriptor) [pid 4352] close(6) = -1 EBADF (Bad file descriptor) [pid 4352] close(7) = -1 EBADF (Bad file descriptor) [pid 4352] close(8) = -1 EBADF (Bad file descriptor) [pid 4352] close(9) = -1 EBADF (Bad file descriptor) [pid 4352] close(10) = -1 EBADF (Bad file descriptor) [pid 4352] close(11) = -1 EBADF (Bad file descriptor) [pid 4352] close(12) = -1 EBADF (Bad file descriptor) [pid 4352] close(13) = -1 EBADF (Bad file descriptor) [pid 4352] close(14) = -1 EBADF (Bad file descriptor) [ 89.260964][ T4352] siw: device registration error -23 [pid 4352] close(15) = -1 EBADF (Bad file descriptor) [pid 4352] close(16) = -1 EBADF (Bad file descriptor) [pid 4352] close(17) = -1 EBADF (Bad file descriptor) [pid 4352] close(18) = -1 EBADF (Bad file descriptor) [pid 4352] close(19) = -1 EBADF (Bad file descriptor) [pid 4352] close(20) = -1 EBADF (Bad file descriptor) [pid 4352] close(21) = -1 EBADF (Bad file descriptor) [pid 4352] close(22) = -1 EBADF (Bad file descriptor) [pid 4352] close(23) = -1 EBADF (Bad file descriptor) [pid 4352] close(24) = -1 EBADF (Bad file descriptor) [pid 4352] close(25) = -1 EBADF (Bad file descriptor) [pid 4352] close(26) = -1 EBADF (Bad file descriptor) [pid 4352] close(27) = -1 EBADF (Bad file descriptor) [pid 4352] close(28) = -1 EBADF (Bad file descriptor) [pid 4352] close(29) = -1 EBADF (Bad file descriptor) [pid 4352] exit_group(0) = ? [pid 4352] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4351] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4351] close(3) = 0 [pid 4351] close(4) = 0 [pid 4351] close(5 [pid 3623] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4351] close(6) = -1 EBADF (Bad file descriptor) [pid 4351] close(7) = -1 EBADF (Bad file descriptor) [pid 4351] close(8 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./98/binderfs" [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./98/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./98/cgroup" [pid 4351] close(9) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4351] close(10 [pid 3623] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./98/cgroup.net" [pid 4351] close(11) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4351] close(12 [pid 3623] umount2("./98/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4351] close(13 [pid 3623] lstat("./98/cpuset.effective_cpus", [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./98/cpuset.effective_cpus" [pid 4351] close(14) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4351] close(15 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4351] close(16) = -1 EBADF (Bad file descriptor) [pid 4351] close(17) = -1 EBADF (Bad file descriptor) [pid 4351] close(18) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./98/cgroup.cpu", [pid 4351] close(19 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./98/cgroup.cpu" [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4351] close(20 [pid 3623] getdents64(3, [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4351] close(21 [pid 3623] close(3 [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4351] close(22 [pid 3623] <... close resumed>) = 0 [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] rmdir("./98" [pid 4351] close(23) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 4351] close(24 [pid 3623] mkdir("./99", 0777 [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4351] close(25) = -1 EBADF (Bad file descriptor) [pid 4351] close(26 [pid 3623] <... mkdir resumed>) = 0 [pid 4351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4351] close(27) = -1 EBADF (Bad file descriptor) [pid 4351] close(28) = -1 EBADF (Bad file descriptor) [pid 4351] close(29) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4355 attached [pid 4351] exit_group(0) = ? [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 101 [pid 4355] chdir("./99" [pid 4351] +++ exited with 0 +++ [pid 4355] <... chdir resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4355] setpgid(0, 0) = 0 [pid 4355] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4355] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4355] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4355] <... symlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4355] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] fstat(3, [pid 4355] <... symlink resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] getdents64(3, [pid 4355] <... openat resumed>) = 3 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./95/binderfs") = 0 [pid 3619] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./95/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4355] write(3, "1000", 4 [pid 3619] unlink("./95/cgroup" [pid 4355] <... write resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4355] close(3 [pid 3619] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4355] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4355] symlink("/dev/binderfs", "./binderfs" [pid 3619] lstat("./95/cgroup.net", [pid 4355] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4355] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] unlink("./95/cgroup.net" [pid 4355] <... socket resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./95/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4355] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4355] <... sendmsg resumed>) = 56 [pid 3619] lstat("./95/cpuset.effective_cpus", [pid 4355] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./95/cpuset.effective_cpus" [pid 4355] <... openat resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4355] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./95/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./95") = 0 [pid 3619] mkdir("./96", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4357 attached [pid 4357] chdir("./96" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 98 [pid 4357] <... chdir resumed>) = 0 [pid 4357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4357] setpgid(0, 0) = 0 [pid 4357] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4357] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4357] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4357] write(3, "1000", 4) = 4 [pid 4357] close(3) = 0 [pid 4357] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4357] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4357] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4357] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4357] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4355] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4355] close(3) = 0 [pid 4355] close(4) = 0 [pid 4355] close(5) = -1 EBADF (Bad file descriptor) [pid 4355] close(6) = -1 EBADF (Bad file descriptor) [pid 4355] close(7) = -1 EBADF (Bad file descriptor) [pid 4355] close(8) = -1 EBADF (Bad file descriptor) [pid 4355] close(9) = -1 EBADF (Bad file descriptor) [pid 4355] close(10) = -1 EBADF (Bad file descriptor) [pid 4355] close(11) = -1 EBADF (Bad file descriptor) [pid 4355] close(12) = -1 EBADF (Bad file descriptor) [pid 4355] close(13) = -1 EBADF (Bad file descriptor) [pid 4355] close(14) = -1 EBADF (Bad file descriptor) [pid 4355] close(15) = -1 EBADF (Bad file descriptor) [pid 4355] close(16) = -1 EBADF (Bad file descriptor) [ 89.410411][ T4355] siw: device registration error -23 [ 89.454003][ T4357] siw: device registration error -23 [pid 4357] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4357] close(3) = 0 [pid 4355] close(17) = -1 EBADF (Bad file descriptor) [pid 4355] close(18) = -1 EBADF (Bad file descriptor) [pid 4355] close(19) = -1 EBADF (Bad file descriptor) [pid 4355] close(20) = -1 EBADF (Bad file descriptor) [pid 4355] close(21) = -1 EBADF (Bad file descriptor) [pid 4355] close(22) = -1 EBADF (Bad file descriptor) [pid 4355] close(23) = -1 EBADF (Bad file descriptor) [pid 4355] close(24) = -1 EBADF (Bad file descriptor) [pid 4355] close(25 [pid 4357] close(4 [pid 4355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4355] close(26 [pid 4357] <... close resumed>) = 0 [pid 4355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4357] close(5 [pid 4355] close(27) = -1 EBADF (Bad file descriptor) [pid 4355] close(28) = -1 EBADF (Bad file descriptor) [pid 4355] close(29 [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4357] close(6 [pid 4355] exit_group(0) = ? [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4357] close(7) = -1 EBADF (Bad file descriptor) [pid 4355] +++ exited with 0 +++ [pid 4357] close(8 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4357] close(9 [pid 3623] <... restart_syscall resumed>) = 0 [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4357] close(10) = -1 EBADF (Bad file descriptor) [pid 4357] close(11) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4357] close(12) = -1 EBADF (Bad file descriptor) [pid 4357] close(13) = -1 EBADF (Bad file descriptor) [pid 4357] close(14) = -1 EBADF (Bad file descriptor) [pid 4357] close(15) = -1 EBADF (Bad file descriptor) [pid 4357] close(16) = -1 EBADF (Bad file descriptor) [pid 4357] close(17) = -1 EBADF (Bad file descriptor) [pid 4357] close(18) = -1 EBADF (Bad file descriptor) [pid 4357] close(19) = -1 EBADF (Bad file descriptor) [pid 4357] close(20 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4357] close(21 [pid 3623] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4357] close(22 [pid 3623] <... openat resumed>) = 3 [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] fstat(3, [pid 4357] close(23 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 4357] close(24) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4357] close(25 [pid 3623] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4357] close(26 [pid 3623] lstat("./99/binderfs", [pid 4357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4357] close(27) = -1 EBADF (Bad file descriptor) [pid 4357] close(28) = -1 EBADF (Bad file descriptor) [pid 4357] close(29) = -1 EBADF (Bad file descriptor) [pid 4357] exit_group(0) = ? [pid 4357] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./99/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3623] lstat("./99/cgroup", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] getdents64(3, [pid 3623] unlink("./99/cgroup" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./96/binderfs", [pid 3623] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./96/binderfs" [pid 3623] lstat("./99/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./99/cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./96/cgroup", [pid 3623] umount2("./99/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./96/cgroup" [pid 3623] lstat("./99/cpuset.effective_cpus", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./99/cpuset.effective_cpus" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./96/cgroup.net") = 0 [pid 3619] umount2("./96/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./96/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./96/cpuset.effective_cpus") = 0 [pid 3619] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./96/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./99/cgroup.cpu", [pid 3619] unlink("./96/cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] unlink("./99/cgroup.cpu" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./96") = 0 [pid 3619] mkdir("./97", 0777 [pid 3623] getdents64(3, [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4360 attached [pid 3623] close(3 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 99 [pid 4360] chdir("./97" [pid 3623] <... close resumed>) = 0 [pid 4360] <... chdir resumed>) = 0 [pid 3623] rmdir("./99" [pid 4360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... rmdir resumed>) = 0 [pid 4360] <... prctl resumed>) = 0 [pid 3623] mkdir("./100", 0777 [pid 4360] setpgid(0, 0) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 4360] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4360] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 4362 attached [pid 4360] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4362] chdir("./100") = 0 [pid 4360] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 102 [pid 4362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4360] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4362] <... prctl resumed>) = 0 [pid 4360] <... symlink resumed>) = 0 [pid 4362] setpgid(0, 0 [pid 4360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4362] <... setpgid resumed>) = 0 [pid 4362] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4360] <... openat resumed>) = 3 [pid 4362] <... symlink resumed>) = 0 [pid 4360] write(3, "1000", 4 [pid 4362] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4360] <... write resumed>) = 4 [pid 4362] <... symlink resumed>) = 0 [pid 4360] close(3 [pid 4362] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4360] <... close resumed>) = 0 [pid 4362] write(3, "1000", 4) = 4 [pid 4360] symlink("/dev/binderfs", "./binderfs" [pid 4362] close(3) = 0 [pid 4360] <... symlink resumed>) = 0 [pid 4362] symlink("/dev/binderfs", "./binderfs" [pid 4360] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4362] <... symlink resumed>) = 0 [pid 4362] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4360] <... socket resumed>) = 3 [pid 4362] <... socket resumed>) = 3 [pid 4362] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4360] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4362] <... sendmsg resumed>) = 56 [pid 4362] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4362] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4360] <... sendmsg resumed>) = 56 [pid 4360] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4360] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4362] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4362] close(3) = 0 [pid 4362] close(4) = 0 [pid 4362] close(5 [pid 4360] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [ 89.599646][ T4362] siw: device registration error -23 [ 89.604864][ T4360] siw: device registration error -23 [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(3) = 0 [pid 4360] close(4) = 0 [pid 4360] close(5) = -1 EBADF (Bad file descriptor) [pid 4362] close(6) = -1 EBADF (Bad file descriptor) [pid 4362] close(7) = -1 EBADF (Bad file descriptor) [pid 4362] close(8) = -1 EBADF (Bad file descriptor) [pid 4362] close(9) = -1 EBADF (Bad file descriptor) [pid 4362] close(10) = -1 EBADF (Bad file descriptor) [pid 4362] close(11) = -1 EBADF (Bad file descriptor) [pid 4362] close(12) = -1 EBADF (Bad file descriptor) [pid 4360] close(6) = -1 EBADF (Bad file descriptor) [pid 4360] close(7) = -1 EBADF (Bad file descriptor) [pid 4360] close(8) = -1 EBADF (Bad file descriptor) [pid 4362] close(13 [pid 4360] close(9 [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] close(14 [pid 4360] close(10 [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] close(15 [pid 4360] close(11) = -1 EBADF (Bad file descriptor) [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(12 [pid 4362] close(16 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(13 [pid 4362] close(17 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] close(18) = -1 EBADF (Bad file descriptor) [pid 4362] close(19) = -1 EBADF (Bad file descriptor) [pid 4362] close(20 [pid 4360] close(14 [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] close(21 [pid 4360] close(15 [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] close(22 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(16 [pid 4362] close(23 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(17 [pid 4362] close(24 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(18 [pid 4362] close(25) = -1 EBADF (Bad file descriptor) [pid 4362] close(26) = -1 EBADF (Bad file descriptor) [pid 4362] close(27) = -1 EBADF (Bad file descriptor) [pid 4362] close(28) = -1 EBADF (Bad file descriptor) [pid 4362] close(29) = -1 EBADF (Bad file descriptor) [pid 4362] exit_group(0) = ? [pid 4362] +++ exited with 0 +++ [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(19 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(20) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4360] close(21 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4360] close(22) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 4360] close(23 [pid 3623] fstat(3, [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4360] close(24 [pid 3623] getdents64(3, [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4360] close(25 [pid 3623] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4360] close(26 [pid 3623] lstat("./100/binderfs", [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4360] close(27 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./100/binderfs" [pid 4360] close(28 [pid 3623] <... unlink resumed>) = 0 [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4360] close(29 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./100/cgroup", [pid 4360] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4360] <... exit_group resumed>) = ? [pid 3623] unlink("./100/cgroup" [pid 4360] +++ exited with 0 +++ [pid 3623] <... unlink resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./100/cgroup.net", [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./100/cgroup.net" [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./100/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./100/cpuset.effective_cpus", [pid 3619] lstat("./97/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./100/cpuset.effective_cpus" [pid 3619] unlink("./97/binderfs") = 0 [pid 3619] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./97/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./97/cgroup" [pid 3623] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./97/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./97/cgroup.net") = 0 [pid 3619] umount2("./97/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./97/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./97/cpuset.effective_cpus") = 0 [pid 3619] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./97/cgroup.cpu", [pid 3623] lstat("./100/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./97/cgroup.cpu" [pid 3623] unlink("./100/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3623] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] rmdir("./97" [pid 3623] close(3 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] mkdir("./98", 0777 [pid 3623] rmdir("./100" [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4365 attached [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./101", 0777 [pid 4365] chdir("./98" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 100 [pid 4365] <... chdir resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 4365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4365] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 4366 attached [pid 4365] setpgid(0, 0 [pid 4366] chdir("./101" [pid 4365] <... setpgid resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 103 [pid 4366] <... chdir resumed>) = 0 [pid 4366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4365] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4366] <... prctl resumed>) = 0 [pid 4366] setpgid(0, 0 [pid 4365] <... symlink resumed>) = 0 [pid 4366] <... setpgid resumed>) = 0 [pid 4366] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4366] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4365] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4366] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4366] write(3, "1000", 4) = 4 [pid 4366] close(3) = 0 [pid 4366] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4365] <... symlink resumed>) = 0 [pid 4366] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4365] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4366] <... socket resumed>) = 3 [pid 4365] <... symlink resumed>) = 0 [pid 4366] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4366] <... sendmsg resumed>) = 56 [pid 4366] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4365] <... openat resumed>) = 3 [pid 4366] <... openat resumed>) = 4 [pid 4365] write(3, "1000", 4 [pid 4366] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4365] <... write resumed>) = 4 [pid 4365] close(3) = 0 [pid 4365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4365] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4365] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4365] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4365] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4365] close(3 [pid 4366] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4365] <... close resumed>) = 0 [pid 4366] close(3) = 0 [pid 4366] close(4) = 0 [pid 4366] close(5) = -1 EBADF (Bad file descriptor) [pid 4366] close(6) = -1 EBADF (Bad file descriptor) [pid 4366] close(7) = -1 EBADF (Bad file descriptor) [pid 4366] close(8) = -1 EBADF (Bad file descriptor) [pid 4366] close(9) = -1 EBADF (Bad file descriptor) [pid 4366] close(10) = -1 EBADF (Bad file descriptor) [pid 4366] close(11) = -1 EBADF (Bad file descriptor) [pid 4366] close(12) = -1 EBADF (Bad file descriptor) [pid 4365] close(4 [pid 4366] close(13 [pid 4365] <... close resumed>) = 0 [pid 4365] close(5 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(6) = -1 EBADF (Bad file descriptor) [pid 4365] close(7) = -1 EBADF (Bad file descriptor) [pid 4366] close(14 [pid 4365] close(8 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(15 [pid 4365] close(9) = -1 EBADF (Bad file descriptor) [pid 4365] close(10) = -1 EBADF (Bad file descriptor) [pid 4365] close(11 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(16 [pid 4365] close(12 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(17 [pid 4365] close(13 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(18 [pid 4365] close(14 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 89.780856][ T4366] siw: device registration error -23 [ 89.806736][ T4365] siw: device registration error -23 [pid 4366] close(19 [pid 4365] close(15 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(20) = -1 EBADF (Bad file descriptor) [pid 4366] close(21) = -1 EBADF (Bad file descriptor) [pid 4366] close(22) = -1 EBADF (Bad file descriptor) [pid 4366] close(23) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(24 [pid 4365] close(16 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(25 [pid 4365] close(17 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(26 [pid 4365] close(18 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(27 [pid 4365] close(19 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(28 [pid 4365] close(20 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(29) = -1 EBADF (Bad file descriptor) [pid 4366] exit_group(0) = ? [pid 4366] +++ exited with 0 +++ [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(21) = -1 EBADF (Bad file descriptor) [pid 4365] close(22 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(23 [pid 3623] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4365] close(24 [pid 3623] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 4365] close(25 [pid 3623] fstat(3, [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(26 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 4365] close(27 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4365] close(28 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./101/binderfs", [pid 4365] close(29 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./101/binderfs" [pid 4365] exit_group(0 [pid 3623] <... unlink resumed>) = 0 [pid 4365] <... exit_group resumed>) = ? [pid 3623] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4365] +++ exited with 0 +++ [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] unlink("./101/cgroup") = 0 [pid 3623] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./101/cgroup.net") = 0 [pid 3623] umount2("./101/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./101/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./101/cpuset.effective_cpus") = 0 [pid 3619] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./101/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./101/cgroup.cpu") = 0 [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./101") = 0 [pid 3619] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] mkdir("./102", 0777) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4372 attached [pid 3619] fstat(3, [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 104 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4372] chdir("./102" [pid 3619] getdents64(3, [pid 4372] <... chdir resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] <... prctl resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] setpgid(0, 0 [pid 3619] lstat("./98/binderfs", [pid 4372] <... setpgid resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4372] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] unlink("./98/binderfs" [pid 4372] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4372] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] lstat("./98/cgroup", [pid 4372] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] unlink("./98/cgroup" [pid 4372] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 4372] write(3, "1000", 4 [pid 3619] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] <... write resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] close(3 [pid 3619] lstat("./98/cgroup.net", [pid 4372] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4372] symlink("/dev/binderfs", "./binderfs" [pid 3619] unlink("./98/cgroup.net" [pid 4372] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4372] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3619] umount2("./98/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] <... socket resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] lstat("./98/cpuset.effective_cpus", [pid 4372] <... sendmsg resumed>) = 56 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4372] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] unlink("./98/cpuset.effective_cpus" [pid 4372] <... openat resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4372] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./98/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./98") = 0 [pid 3619] mkdir("./99", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4373 attached , child_tidptr=0x5555558f4690) = 101 [pid 4373] chdir("./99") = 0 [pid 4373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4373] setpgid(0, 0) = 0 [pid 4373] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4373] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4373] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4373] write(3, "1000", 4) = 4 [pid 4373] close(3) = 0 [pid 4373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4373] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4373] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4373] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 89.966099][ T4372] siw: device registration error -23 [pid 4373] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [ 90.025593][ T4373] siw: device registration error -23 [ 90.027365][ T1350] device hsr_slave_0 left promiscuous mode [pid 4373] close(3) = 0 [pid 4373] close(4) = 0 [pid 4372] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4373] close(5) = -1 EBADF (Bad file descriptor) [pid 4373] close(6) = -1 EBADF (Bad file descriptor) [pid 4373] close(7) = -1 EBADF (Bad file descriptor) [pid 4373] close(8) = -1 EBADF (Bad file descriptor) [pid 4372] close(3 [pid 4373] close(9) = -1 EBADF (Bad file descriptor) [pid 4373] close(10) = -1 EBADF (Bad file descriptor) [pid 4373] close(11) = -1 EBADF (Bad file descriptor) [pid 4373] close(12) = -1 EBADF (Bad file descriptor) [pid 4373] close(13) = -1 EBADF (Bad file descriptor) [pid 4373] close(14) = -1 EBADF (Bad file descriptor) [pid 4373] close(15) = -1 EBADF (Bad file descriptor) [pid 4373] close(16) = -1 EBADF (Bad file descriptor) [pid 4372] <... close resumed>) = 0 [pid 4372] close(4) = 0 [pid 4372] close(5) = -1 EBADF (Bad file descriptor) [pid 4373] close(17) = -1 EBADF (Bad file descriptor) [pid 4373] close(18) = -1 EBADF (Bad file descriptor) [pid 4373] close(19) = -1 EBADF (Bad file descriptor) [pid 4373] close(20) = -1 EBADF (Bad file descriptor) [pid 4373] close(21) = -1 EBADF (Bad file descriptor) [pid 4373] close(22) = -1 EBADF (Bad file descriptor) [pid 4373] close(23) = -1 EBADF (Bad file descriptor) [pid 4372] close(6 [pid 4373] close(24 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4372] close(7 [pid 4373] close(25 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] close(26 [pid 4372] close(8 [pid 4373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] close(27 [pid 4372] close(9 [pid 4373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] close(28 [pid 4372] close(10) = -1 EBADF (Bad file descriptor) [pid 4372] close(11) = -1 EBADF (Bad file descriptor) [pid 4372] close(12) = -1 EBADF (Bad file descriptor) [pid 4372] close(13) = -1 EBADF (Bad file descriptor) [pid 4372] close(14) = -1 EBADF (Bad file descriptor) [pid 4372] close(15) = -1 EBADF (Bad file descriptor) [pid 4372] close(16) = -1 EBADF (Bad file descriptor) [pid 4372] close(17) = -1 EBADF (Bad file descriptor) [pid 4372] close(18) = -1 EBADF (Bad file descriptor) [pid 4372] close(19) = -1 EBADF (Bad file descriptor) [pid 4373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4372] close(20) = -1 EBADF (Bad file descriptor) [pid 4372] close(21) = -1 EBADF (Bad file descriptor) [pid 4372] close(22) = -1 EBADF (Bad file descriptor) [pid 4372] close(23) = -1 EBADF (Bad file descriptor) [pid 4372] close(24) = -1 EBADF (Bad file descriptor) [pid 4372] close(25 [pid 4373] close(29 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4372] close(26 [pid 4373] exit_group(0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] <... exit_group resumed>) = ? [pid 4372] close(27 [pid 4373] +++ exited with 0 +++ [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4372] close(28) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4372] close(29 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... restart_syscall resumed>) = 0 [pid 4372] exit_group(0) = ? [pid 4372] +++ exited with 0 +++ [pid 3619] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... openat resumed>) = 3 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] fstat(3, [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [ 90.049247][ T1350] device hsr_slave_1 left promiscuous mode [ 90.049955][ T1350] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [pid 3623] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./99/binderfs") = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... openat resumed>) = 3 [pid 3619] lstat("./99/cgroup", [pid 3623] fstat(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./99/cgroup" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./99/cgroup.net", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./102/binderfs", [pid 3619] unlink("./99/cgroup.net" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./102/binderfs" [pid 3619] umount2("./99/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./99/cpuset.effective_cpus", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] lstat("./102/cgroup", [pid 3619] unlink("./99/cpuset.effective_cpus" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./99/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./99/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./99" [pid 3623] unlink("./102/cgroup" [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] mkdir("./100", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4376 attached [pid 4376] chdir("./100" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 102 [pid 4376] <... chdir resumed>) = 0 [pid 4376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4376] setpgid(0, 0 [pid 3623] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4376] <... setpgid resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./102/cgroup.net", [pid 4376] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./102/cgroup.net" [pid 4376] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./102/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./102/cpuset.effective_cpus", [pid 4376] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4376] <... symlink resumed>) = 0 [pid 3623] unlink("./102/cpuset.effective_cpus" [pid 4376] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4376] write(3, "1000", 4) = 4 [pid 4376] close(3) = 0 [pid 4376] symlink("/dev/binderfs", "./binderfs") = 0 [ 90.049983][ T1350] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 90.052288][ T1350] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [pid 4376] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4376] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4376] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 4376] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./102/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./102/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./102") = 0 [pid 3623] mkdir("./103", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4378 attached [pid 4378] chdir("./103") = 0 [pid 4378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4378] setpgid(0, 0) = 0 [pid 4378] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4378] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4378] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 105 [pid 4378] write(3, "1000", 4) = 4 [pid 4378] close(3) = 0 [pid 4378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4378] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 90.052308][ T1350] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 90.054650][ T1350] device bridge_slave_1 left promiscuous mode [ 90.055778][ T1350] bridge0: port 2(bridge_slave_1) entered disabled state [pid 4378] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4378] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4378] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4376] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4378] close(3 [pid 4376] close(3 [pid 4378] <... close resumed>) = 0 [pid 4376] <... close resumed>) = 0 [pid 4378] close(4 [pid 4376] close(4 [pid 4378] <... close resumed>) = 0 [pid 4376] <... close resumed>) = 0 [pid 4378] close(5 [pid 4376] close(5 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(6 [pid 4376] close(6 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(7 [pid 4376] close(7 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(8 [pid 4376] close(8 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(9 [pid 4376] close(9 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(10 [pid 4376] close(10 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(11 [pid 4376] close(11 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(12 [pid 4376] close(12 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(13 [pid 4376] close(13 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(14 [pid 4376] close(14 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(15 [pid 4376] close(15 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(16 [pid 4376] close(16 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(17 [pid 4376] close(17 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(18 [pid 4376] close(18 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(19 [pid 4376] close(19 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(20 [pid 4376] close(20 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(21 [pid 4376] close(21 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(22 [pid 4376] close(22 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(23 [pid 4376] close(23 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(24 [pid 4376] close(24 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(25 [pid 4376] close(25 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(26 [pid 4376] close(26 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(27 [pid 4376] close(27 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 90.066007][ T1350] device bridge_slave_0 left promiscuous mode [ 90.066140][ T1350] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.080633][ T1350] device veth1_macvtap left promiscuous mode [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(28 [pid 4376] close(28 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(29 [pid 4376] close(29 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] exit_group(0 [pid 4376] exit_group(0 [pid 4378] <... exit_group resumed>) = ? [pid 4376] <... exit_group resumed>) = ? [pid 4378] +++ exited with 0 +++ [pid 4376] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, [pid 3619] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3619] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./103/binderfs", [pid 3619] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] unlink("./103/binderfs" [pid 3619] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./100/binderfs", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] lstat("./103/cgroup", [pid 3619] unlink("./100/binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./103/cgroup" [pid 3619] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./100/cgroup", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./103/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./100/cgroup" [pid 3623] unlink("./103/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./103/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./100/cgroup.net", [pid 3623] lstat("./103/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./103/cpuset.effective_cpus" [pid 3619] unlink("./100/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./100/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./103/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./100/cpuset.effective_cpus", [pid 3623] unlink("./103/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] unlink("./100/cpuset.effective_cpus" [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] close(3 [pid 3619] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./103" [pid 3619] lstat("./100/cgroup.cpu", [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./104", 0777 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./100/cgroup.cpu"./strace-static-x86_64: Process 4381 attached [pid 4381] chdir("./104" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 106 [pid 3619] <... unlink resumed>) = 0 [pid 4381] <... chdir resumed>) = 0 [pid 3619] getdents64(3, [pid 4381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4381] <... prctl resumed>) = 0 [pid 3619] close(3 [pid 4381] setpgid(0, 0) = 0 [pid 3619] <... close resumed>) = 0 [pid 4381] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] rmdir("./100" [pid 4381] <... symlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./101", 0777 [pid 4381] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... mkdir resumed>) = 0 [pid 4381] <... symlink resumed>) = 0 [ 90.080696][ T1350] device veth0_macvtap left promiscuous mode [ 90.080839][ T1350] device veth1_vlan left promiscuous mode [ 90.080934][ T1350] device veth0_vlan left promiscuous mode [ 90.189739][ T4376] siw: device registration error -23 [ 90.254635][ T4378] siw: device registration error -23 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4382 attached [pid 4381] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4382] chdir("./101" [pid 4381] <... symlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 103 [pid 4382] <... chdir resumed>) = 0 [pid 4382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4382] setpgid(0, 0 [pid 4381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4382] <... setpgid resumed>) = 0 [pid 4381] <... openat resumed>) = 3 [pid 4381] write(3, "1000", 4 [pid 4382] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4381] <... write resumed>) = 4 [pid 4381] close(3 [pid 4382] <... symlink resumed>) = 0 [pid 4381] <... close resumed>) = 0 [pid 4382] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4381] symlink("/dev/binderfs", "./binderfs" [pid 4382] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4381] <... symlink resumed>) = 0 [pid 4382] <... symlink resumed>) = 0 [pid 4381] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4381] <... socket resumed>) = 3 [pid 4382] <... openat resumed>) = 3 [pid 4381] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4382] write(3, "1000", 4 [pid 4381] <... sendmsg resumed>) = 56 [pid 4382] <... write resumed>) = 4 [pid 4381] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4382] close(3 [pid 4381] <... openat resumed>) = 4 [pid 4382] <... close resumed>) = 0 [pid 4381] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4382] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4382] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4382] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4382] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4382] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4382] close(3) = 0 [pid 4382] close(4) = 0 [pid 4382] close(5) = -1 EBADF (Bad file descriptor) [pid 4382] close(6) = -1 EBADF (Bad file descriptor) [pid 4382] close(7) = -1 EBADF (Bad file descriptor) [pid 4382] close(8) = -1 EBADF (Bad file descriptor) [pid 4382] close(9) = -1 EBADF (Bad file descriptor) [pid 4382] close(10) = -1 EBADF (Bad file descriptor) [pid 4382] close(11) = -1 EBADF (Bad file descriptor) [pid 4382] close(12) = -1 EBADF (Bad file descriptor) [pid 4382] close(13) = -1 EBADF (Bad file descriptor) [pid 4382] close(14) = -1 EBADF (Bad file descriptor) [pid 4382] close(15) = -1 EBADF (Bad file descriptor) [pid 4382] close(16) = -1 EBADF (Bad file descriptor) [pid 4382] close(17) = -1 EBADF (Bad file descriptor) [pid 4382] close(18) = -1 EBADF (Bad file descriptor) [pid 4382] close(19) = -1 EBADF (Bad file descriptor) [pid 4382] close(20) = -1 EBADF (Bad file descriptor) [pid 4382] close(21) = -1 EBADF (Bad file descriptor) [pid 4382] close(22) = -1 EBADF (Bad file descriptor) [pid 4382] close(23) = -1 EBADF (Bad file descriptor) [pid 4382] close(24) = -1 EBADF (Bad file descriptor) [pid 4382] close(25) = -1 EBADF (Bad file descriptor) [pid 4382] close(26) = -1 EBADF (Bad file descriptor) [pid 4382] close(27) = -1 EBADF (Bad file descriptor) [pid 4382] close(28) = -1 EBADF (Bad file descriptor) [pid 4382] close(29) = -1 EBADF (Bad file descriptor) [pid 4382] exit_group(0) = ? [ 90.427994][ T4381] siw: device registration error -23 [ 90.453882][ T4382] siw: device registration error -23 [pid 4382] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4381] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./101/binderfs") = 0 [pid 3619] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./101/cgroup") = 0 [pid 3619] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./101/cgroup.net") = 0 [pid 3619] umount2("./101/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./101/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./101/cpuset.effective_cpus") = 0 [pid 3619] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./101/cgroup.cpu", [pid 4381] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4381] <... close resumed>) = 0 [pid 3619] unlink("./101/cgroup.cpu" [pid 4381] close(4 [pid 3619] <... unlink resumed>) = 0 [pid 4381] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 4381] close(5 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4381] close(6 [pid 3619] <... close resumed>) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./101" [pid 4381] close(7 [pid 3619] <... rmdir resumed>) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./102", 0777 [pid 4381] close(8 [pid 3619] <... mkdir resumed>) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4385 attached [pid 4381] close(9 [pid 4385] chdir("./102" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 104 [pid 4385] <... chdir resumed>) = 0 [pid 4381] close(10 [pid 4385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... prctl resumed>) = 0 [pid 4381] close(11 [pid 4385] setpgid(0, 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... setpgid resumed>) = 0 [pid 4381] close(12 [pid 4385] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... symlink resumed>) = 0 [pid 4381] close(13 [pid 4385] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... symlink resumed>) = 0 [pid 4381] close(14 [pid 4385] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... symlink resumed>) = 0 [pid 4381] close(15 [pid 4385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... openat resumed>) = 3 [pid 4381] close(16 [pid 4385] write(3, "1000", 4 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... write resumed>) = 4 [pid 4381] close(17 [pid 4385] close(3 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... close resumed>) = 0 [pid 4381] close(18 [pid 4385] symlink("/dev/binderfs", "./binderfs" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... symlink resumed>) = 0 [pid 4381] close(19 [pid 4385] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... socket resumed>) = 3 [pid 4381] close(20 [pid 4385] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... sendmsg resumed>) = 56 [pid 4381] close(21 [pid 4385] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... openat resumed>) = 4 [pid 4381] close(22 [pid 4385] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] close(23) = -1 EBADF (Bad file descriptor) [pid 4381] close(24) = -1 EBADF (Bad file descriptor) [pid 4381] close(25) = -1 EBADF (Bad file descriptor) [pid 4381] close(26) = -1 EBADF (Bad file descriptor) [pid 4381] close(27) = -1 EBADF (Bad file descriptor) [pid 4381] close(28) = -1 EBADF (Bad file descriptor) [pid 4381] close(29) = -1 EBADF (Bad file descriptor) [pid 4381] exit_group(0) = ? [pid 4381] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./104/binderfs") = 0 [pid 3623] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./104/cgroup") = 0 [pid 3623] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./104/cgroup.net") = 0 [pid 3623] umount2("./104/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./104/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./104/cpuset.effective_cpus") = 0 [pid 3623] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./104/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./104/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./104") = 0 [pid 3623] mkdir("./105", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4386 attached , child_tidptr=0x5555558f4690) = 107 [pid 4386] chdir("./105") = 0 [pid 4386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4386] setpgid(0, 0) = 0 [pid 4386] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4386] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4386] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 90.557422][ T4385] siw: device registration error -23 [pid 4386] write(3, "1000", 4) = 4 [pid 4386] close(3) = 0 [pid 4386] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4386] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4386] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4386] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4386] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4385] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4385] close(3) = 0 [pid 4385] close(4) = 0 [pid 4385] close(5) = -1 EBADF (Bad file descriptor) [pid 4385] close(6) = -1 EBADF (Bad file descriptor) [pid 4385] close(7) = -1 EBADF (Bad file descriptor) [pid 4385] close(8) = -1 EBADF (Bad file descriptor) [pid 4385] close(9) = -1 EBADF (Bad file descriptor) [pid 4385] close(10) = -1 EBADF (Bad file descriptor) [pid 4385] close(11) = -1 EBADF (Bad file descriptor) [pid 4385] close(12) = -1 EBADF (Bad file descriptor) [pid 4385] close(13) = -1 EBADF (Bad file descriptor) [pid 4385] close(14) = -1 EBADF (Bad file descriptor) [pid 4385] close(15) = -1 EBADF (Bad file descriptor) [pid 4385] close(16) = -1 EBADF (Bad file descriptor) [pid 4385] close(17) = -1 EBADF (Bad file descriptor) [pid 4385] close(18) = -1 EBADF (Bad file descriptor) [pid 4385] close(19) = -1 EBADF (Bad file descriptor) [pid 4385] close(20) = -1 EBADF (Bad file descriptor) [pid 4385] close(21) = -1 EBADF (Bad file descriptor) [pid 4385] close(22) = -1 EBADF (Bad file descriptor) [pid 4385] close(23) = -1 EBADF (Bad file descriptor) [pid 4385] close(24) = -1 EBADF (Bad file descriptor) [pid 4385] close(25) = -1 EBADF (Bad file descriptor) [pid 4385] close(26) = -1 EBADF (Bad file descriptor) [pid 4385] close(27) = -1 EBADF (Bad file descriptor) [pid 4385] close(28) = -1 EBADF (Bad file descriptor) [pid 4385] close(29) = -1 EBADF (Bad file descriptor) [pid 4385] exit_group(0) = ? [pid 4385] +++ exited with 0 +++ [ 90.631778][ T4386] siw: device registration error -23 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./102/binderfs") = 0 [pid 3619] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./102/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./102/cgroup") = 0 [pid 3619] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./102/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./102/cgroup.net" [pid 4386] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3619] <... unlink resumed>) = 0 [pid 4386] close(3) = 0 [pid 3619] umount2("./102/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./102/cpuset.effective_cpus", [pid 4386] close(4 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4386] <... close resumed>) = 0 [pid 3619] unlink("./102/cpuset.effective_cpus" [pid 4386] close(5) = -1 EBADF (Bad file descriptor) [pid 4386] close(6) = -1 EBADF (Bad file descriptor) [pid 4386] close(7) = -1 EBADF (Bad file descriptor) [pid 4386] close(8) = -1 EBADF (Bad file descriptor) [pid 4386] close(9) = -1 EBADF (Bad file descriptor) [pid 4386] close(10) = -1 EBADF (Bad file descriptor) [pid 4386] close(11) = -1 EBADF (Bad file descriptor) [pid 4386] close(12) = -1 EBADF (Bad file descriptor) [pid 4386] close(13) = -1 EBADF (Bad file descriptor) [pid 4386] close(14) = -1 EBADF (Bad file descriptor) [pid 4386] close(15) = -1 EBADF (Bad file descriptor) [pid 4386] close(16) = -1 EBADF (Bad file descriptor) [pid 4386] close(17) = -1 EBADF (Bad file descriptor) [pid 4386] close(18) = -1 EBADF (Bad file descriptor) [pid 4386] close(19) = -1 EBADF (Bad file descriptor) [pid 4386] close(20) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4386] close(21 [pid 3619] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4386] close(22 [pid 3619] lstat("./102/cgroup.cpu", [pid 4386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4386] close(23 [pid 3619] unlink("./102/cgroup.cpu" [pid 4386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4386] close(24 [pid 3619] <... unlink resumed>) = 0 [pid 4386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4386] close(25 [pid 3619] getdents64(3, [pid 4386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4386] close(26) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4386] close(27) = -1 EBADF (Bad file descriptor) [pid 3619] <... close resumed>) = 0 [pid 4386] close(28 [pid 3619] rmdir("./102" [pid 4386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... rmdir resumed>) = 0 [pid 4386] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./103", 0777 [pid 4386] exit_group(0) = ? [pid 3619] <... mkdir resumed>) = 0 [pid 4386] +++ exited with 0 +++ [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 4388 attached [pid 3623] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 105 [pid 4388] chdir("./103" [pid 3623] <... openat resumed>) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 4388] <... chdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] unlink("./105/binderfs" [pid 4388] <... prctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./105/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4388] setpgid(0, 0 [pid 3623] unlink("./105/cgroup" [pid 4388] <... setpgid resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4388] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4388] <... symlink resumed>) = 0 [pid 3623] unlink("./105/cgroup.net") = 0 [pid 4388] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] umount2("./105/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4388] <... symlink resumed>) = 0 [pid 3623] lstat("./105/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./105/cpuset.effective_cpus" [pid 4388] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 4388] <... symlink resumed>) = 0 [pid 3623] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4388] write(3, "1000", 4) = 4 [pid 3623] lstat("./105/cgroup.cpu", [pid 4388] close(3) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4388] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] unlink("./105/cgroup.cpu" [pid 4388] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 4388] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] getdents64(3, [pid 4388] <... sendmsg resumed>) = 56 [pid 4388] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4388] <... openat resumed>) = 4 [pid 3623] close(3 [pid 4388] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... close resumed>) = 0 [pid 3623] rmdir("./105") = 0 [pid 3623] mkdir("./106", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4390 attached , child_tidptr=0x5555558f4690) = 108 [pid 4390] chdir("./106") = 0 [pid 4390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 90.755860][ T1350] team0 (unregistering): Port device team_slave_1 removed [ 90.771403][ T1350] team0 (unregistering): Port device team_slave_0 removed [ 90.775527][ T4388] siw: device registration error -23 [pid 4390] setpgid(0, 0) = 0 [pid 4390] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4390] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4390] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4390] write(3, "1000", 4) = 4 [pid 4390] close(3) = 0 [pid 4390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4390] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4390] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4390] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4390] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4388] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4388] close(3) = 0 [pid 4390] close(3 [pid 4388] close(4 [pid 4390] <... close resumed>) = 0 [pid 4388] <... close resumed>) = 0 [pid 4390] close(4 [pid 4388] close(5 [pid 4390] <... close resumed>) = 0 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(5 [pid 4388] close(6 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(6 [pid 4388] close(7 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(7 [pid 4388] close(8 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(8 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(9 [pid 4390] close(9 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(10 [pid 4390] close(10 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(11 [pid 4390] close(11 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(12 [pid 4390] close(12 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(13 [pid 4388] close(13 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(14 [pid 4388] close(14 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(15 [pid 4388] close(15 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(16 [pid 4388] close(16 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(17 [pid 4388] close(17 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(18 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(18 [pid 4390] close(19 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(19 [pid 4390] close(20 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(20 [pid 4390] close(21 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(21 [pid 4390] close(22 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(22 [pid 4390] close(23 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(23 [pid 4390] close(24 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(24 [pid 4390] close(25 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 90.818029][ T1350] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 90.854567][ T4390] siw: device registration error -23 [ 90.857345][ T1350] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [pid 4388] close(25 [pid 4390] close(26 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(26 [pid 4390] close(27 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(27 [pid 4390] close(28 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(28 [pid 4390] close(29 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4388] close(29 [pid 4390] exit_group(0 [pid 4388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... exit_group resumed>) = ? [pid 4388] exit_group(0 [pid 4390] +++ exited with 0 +++ [pid 4388] <... exit_group resumed>) = ? [pid 4388] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... openat resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 3623] fstat(3, [pid 3619] fstat(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 3619] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./106/binderfs", [pid 3619] lstat("./103/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./106/binderfs" [pid 3619] unlink("./103/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./106/cgroup", [pid 3619] lstat("./103/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./106/cgroup" [pid 3619] unlink("./103/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./106/cgroup.net", [pid 3619] lstat("./103/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./106/cgroup.net" [pid 3619] unlink("./103/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./106/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./103/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./106/cpuset.effective_cpus", [pid 3619] lstat("./103/cpuset.effective_cpus", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./106/cpuset.effective_cpus" [pid 3619] unlink("./103/cpuset.effective_cpus" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./106/cgroup.cpu", [pid 3619] lstat("./103/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./106/cgroup.cpu" [pid 3619] unlink("./103/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3619] getdents64(3, [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3 [pid 3619] close(3 [pid 3623] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] rmdir("./106" [pid 3619] rmdir("./103" [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] mkdir("./107", 0777 [pid 3619] mkdir("./104", 0777 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4391 attached ./strace-static-x86_64: Process 4392 attached [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 109 [pid 4392] chdir("./104" [pid 4391] chdir("./107" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 106 [pid 4391] <... chdir resumed>) = 0 [pid 4392] <... chdir resumed>) = 0 [pid 4391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4391] <... prctl resumed>) = 0 [pid 4392] <... prctl resumed>) = 0 [pid 4391] setpgid(0, 0 [pid 4392] setpgid(0, 0 [pid 4391] <... setpgid resumed>) = 0 [pid 4392] <... setpgid resumed>) = 0 [pid 4391] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4392] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4391] <... symlink resumed>) = 0 [pid 4392] <... symlink resumed>) = 0 [pid 4391] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4392] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4391] <... symlink resumed>) = 0 [pid 4392] <... symlink resumed>) = 0 [pid 4391] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4392] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4391] <... symlink resumed>) = 0 [pid 4392] <... symlink resumed>) = 0 [pid 4391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4391] <... openat resumed>) = 3 [pid 4392] <... openat resumed>) = 3 [pid 4391] write(3, "1000", 4) = 4 [pid 4392] write(3, "1000", 4 [pid 4391] close(3 [pid 4392] <... write resumed>) = 4 [pid 4391] <... close resumed>) = 0 [pid 4392] close(3) = 0 [pid 4391] symlink("/dev/binderfs", "./binderfs" [pid 4392] symlink("/dev/binderfs", "./binderfs" [pid 4391] <... symlink resumed>) = 0 [pid 4392] <... symlink resumed>) = 0 [pid 4391] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4392] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4391] <... socket resumed>) = 3 [pid 4392] <... socket resumed>) = 3 [pid 4391] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4392] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4391] <... sendmsg resumed>) = 56 [pid 4392] <... sendmsg resumed>) = 56 [pid 4391] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4392] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4391] <... openat resumed>) = 4 [pid 4392] <... openat resumed>) = 4 [pid 4391] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4392] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4392] close(3) = 0 [pid 4392] close(4) = 0 [pid 4392] close(5) = -1 EBADF (Bad file descriptor) [pid 4392] close(6) = -1 EBADF (Bad file descriptor) [pid 4392] close(7) = -1 EBADF (Bad file descriptor) [pid 4392] close(8) = -1 EBADF (Bad file descriptor) [pid 4392] close(9) = -1 EBADF (Bad file descriptor) [pid 4392] close(10) = -1 EBADF (Bad file descriptor) [pid 4392] close(11) = -1 EBADF (Bad file descriptor) [pid 4392] close(12) = -1 EBADF (Bad file descriptor) [pid 4392] close(13) = -1 EBADF (Bad file descriptor) [ 90.970201][ T4391] siw: device registration error -23 [ 90.970485][ T4392] siw: device registration error -23 [pid 4392] close(14) = -1 EBADF (Bad file descriptor) [pid 4391] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4391] close(3) = 0 [pid 4391] close(4) = 0 [pid 4391] close(5) = -1 EBADF (Bad file descriptor) [pid 4391] close(6) = -1 EBADF (Bad file descriptor) [pid 4391] close(7) = -1 EBADF (Bad file descriptor) [pid 4391] close(8) = -1 EBADF (Bad file descriptor) [pid 4391] close(9) = -1 EBADF (Bad file descriptor) [pid 4391] close(10) = -1 EBADF (Bad file descriptor) [pid 4391] close(11) = -1 EBADF (Bad file descriptor) [pid 4391] close(12) = -1 EBADF (Bad file descriptor) [pid 4391] close(13) = -1 EBADF (Bad file descriptor) [pid 4391] close(14) = -1 EBADF (Bad file descriptor) [pid 4391] close(15) = -1 EBADF (Bad file descriptor) [pid 4391] close(16) = -1 EBADF (Bad file descriptor) [pid 4391] close(17) = -1 EBADF (Bad file descriptor) [pid 4391] close(18) = -1 EBADF (Bad file descriptor) [pid 4391] close(19) = -1 EBADF (Bad file descriptor) [pid 4391] close(20) = -1 EBADF (Bad file descriptor) [pid 4391] close(21) = -1 EBADF (Bad file descriptor) [pid 4391] close(22) = -1 EBADF (Bad file descriptor) [pid 4391] close(23) = -1 EBADF (Bad file descriptor) [pid 4391] close(24) = -1 EBADF (Bad file descriptor) [pid 4392] close(15 [pid 4391] close(25) = -1 EBADF (Bad file descriptor) [pid 4391] close(26) = -1 EBADF (Bad file descriptor) [pid 4391] close(27) = -1 EBADF (Bad file descriptor) [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] close(28) = -1 EBADF (Bad file descriptor) [pid 4391] close(29) = -1 EBADF (Bad file descriptor) [pid 4391] exit_group(0 [pid 4392] close(16 [pid 4391] <... exit_group resumed>) = ? [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4392] close(17 [pid 4391] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4392] close(18 [pid 3623] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4392] close(19 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4392] close(20 [pid 3623] lstat("./107/binderfs", [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4392] close(21 [pid 3623] unlink("./107/binderfs" [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 4392] close(22 [pid 3623] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./107/cgroup") = 0 [pid 3623] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./107/cgroup.net" [pid 4392] close(23 [pid 3623] <... unlink resumed>) = 0 [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./107/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] close(24 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./107/cpuset.effective_cpus", [pid 4392] close(25 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./107/cpuset.effective_cpus" [pid 4392] close(26 [pid 3623] <... unlink resumed>) = 0 [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4392] close(27 [pid 3623] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4392] close(28 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4392] close(29 [pid 3623] lstat("./107/cgroup.cpu", [pid 4392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./107/cgroup.cpu" [pid 4392] exit_group(0 [pid 3623] <... unlink resumed>) = 0 [pid 4392] <... exit_group resumed>) = ? [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./107" [pid 4392] +++ exited with 0 +++ [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./108", 0777 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... mkdir resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4393 attached [pid 3619] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4393] chdir("./108" [pid 3619] fstat(3, [pid 4393] <... chdir resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] getdents64(3, [pid 4393] <... prctl resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4393] setpgid(0, 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 110 [pid 3619] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4393] <... setpgid resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4393] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4393] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3619] lstat("./104/binderfs", [pid 4393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4393] write(3, "1000", 4) = 4 [pid 3619] unlink("./104/binderfs" [pid 4393] close(3) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4393] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4393] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4393] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3619] lstat("./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./104/cgroup") = 0 [pid 4393] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 3619] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4393] close(3) = 0 [pid 4393] close(4) = 0 [pid 4393] close(5) = -1 EBADF (Bad file descriptor) [pid 4393] close(6) = -1 EBADF (Bad file descriptor) [pid 4393] close(7) = -1 EBADF (Bad file descriptor) [pid 4393] close(8) = -1 EBADF (Bad file descriptor) [pid 4393] close(9) = -1 EBADF (Bad file descriptor) [pid 4393] close(10 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4393] close(11) = -1 EBADF (Bad file descriptor) [pid 4393] close(12) = -1 EBADF (Bad file descriptor) [pid 4393] close(13) = -1 EBADF (Bad file descriptor) [pid 4393] close(14) = -1 EBADF (Bad file descriptor) [pid 4393] close(15) = -1 EBADF (Bad file descriptor) [pid 4393] close(16) = -1 EBADF (Bad file descriptor) [pid 4393] close(17) = -1 EBADF (Bad file descriptor) [pid 4393] close(18) = -1 EBADF (Bad file descriptor) [pid 4393] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./104/cgroup.net", [pid 4393] close(20 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./104/cgroup.net" [pid 4393] close(21) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4393] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./104/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4393] close(23 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./104/cpuset.effective_cpus", [pid 4393] close(24 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./104/cpuset.effective_cpus" [pid 4393] close(25) = -1 EBADF (Bad file descriptor) [pid 4393] close(26) = -1 EBADF (Bad file descriptor) [pid 4393] close(27) = -1 EBADF (Bad file descriptor) [pid 4393] close(28) = -1 EBADF (Bad file descriptor) [pid 4393] close(29 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] exit_group(0 [pid 3619] lstat("./104/cgroup.cpu", [pid 4393] <... exit_group resumed>) = ? [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./104/cgroup.cpu") = 0 [pid 4393] +++ exited with 0 +++ [pid 3619] getdents64(3, [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./104" [pid 3623] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] mkdir("./105", 0777 [pid 3623] <... openat resumed>) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [ 91.084684][ T1350] bond0 (unregistering): Released all slaves [ 91.091095][ T4393] siw: device registration error -23 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4394 attached ) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 107 [pid 3623] lstat("./108/binderfs", [pid 4394] chdir("./105" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4394] <... chdir resumed>) = 0 [pid 3623] unlink("./108/binderfs" [pid 4394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4394] setpgid(0, 0 [pid 3623] <... unlink resumed>) = 0 [pid 4394] <... setpgid resumed>) = 0 [pid 3623] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4394] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./108/cgroup", [pid 4394] <... symlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4394] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] unlink("./108/cgroup" [pid 4394] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4394] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] unlink("./108/cgroup.net" [pid 4394] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./108/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./108/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./108/cpuset.effective_cpus" [pid 4394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4394] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 4394] <... write resumed>) = 4 [pid 3623] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4394] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./108/cgroup.cpu", [pid 4394] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4394] symlink("/dev/binderfs", "./binderfs" [pid 3623] unlink("./108/cgroup.cpu" [pid 4394] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 4394] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4394] <... socket resumed>) = 3 [pid 3623] close(3 [pid 4394] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... close resumed>) = 0 [pid 4394] <... sendmsg resumed>) = 56 [pid 3623] rmdir("./108" [pid 4394] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 3623] <... rmdir resumed>) = 0 [pid 4394] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] mkdir("./109", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558f4690) = 111 ./strace-static-x86_64: Process 4395 attached [pid 4395] chdir("./109") = 0 [pid 4395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4395] setpgid(0, 0) = 0 [pid 4395] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4395] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4395] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4395] write(3, "1000", 4) = 4 [pid 4395] close(3) = 0 [pid 4395] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4395] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 91.168217][ T4394] siw: device registration error -23 [pid 4395] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4395] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4395] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4395] close(3) = 0 [pid 4395] close(4) = 0 [pid 4395] close(5) = -1 EBADF (Bad file descriptor) [pid 4395] close(6) = -1 EBADF (Bad file descriptor) [pid 4395] close(7) = -1 EBADF (Bad file descriptor) [pid 4395] close(8) = -1 EBADF (Bad file descriptor) [pid 4395] close(9) = -1 EBADF (Bad file descriptor) [pid 4395] close(10) = -1 EBADF (Bad file descriptor) [pid 4395] close(11 [pid 4394] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(3 [pid 4395] close(12 [pid 4394] <... close resumed>) = 0 [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(4 [pid 4395] close(13 [pid 4394] <... close resumed>) = 0 [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(5 [pid 4395] close(14 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(6 [pid 4395] close(15 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(7 [pid 4395] close(16 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(8 [pid 4395] close(17 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(9 [pid 4395] close(18 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(10 [pid 4395] close(19 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(11 [pid 4395] close(20 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(12 [pid 4395] close(21 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(13 [pid 4395] close(22 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(14 [pid 4395] close(23 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(15 [pid 4395] close(24 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(16 [pid 4395] close(25 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(17 [pid 4395] close(26 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(18 [pid 4395] close(27 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(19 [pid 4395] close(28 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(20 [pid 4395] close(29 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(21 [pid 4395] exit_group(0 [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4395] <... exit_group resumed>) = ? [pid 4394] close(22 [pid 4395] +++ exited with 0 +++ [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4394] close(23) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4394] close(24 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... restart_syscall resumed>) = 0 [pid 4394] close(25) = -1 EBADF (Bad file descriptor) [pid 4394] close(26 [pid 3623] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4394] close(27 [ 91.241435][ T4395] siw: device registration error -23 [pid 3623] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 4394] close(28 [pid 3623] fstat(3, [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4394] close(29 [pid 3623] getdents64(3, [pid 4394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4394] exit_group(0 [pid 3623] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4394] <... exit_group resumed>) = ? [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4394] +++ exited with 0 +++ [pid 3623] unlink("./109/binderfs") = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3623] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] lstat("./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./109/cgroup" [pid 3619] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 3623] lstat("./109/cgroup.net", [pid 3619] fstat(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] unlink("./109/cgroup.net" [pid 3619] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./109/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./109/cpuset.effective_cpus", [pid 3619] lstat("./105/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./109/cpuset.effective_cpus" [pid 3619] unlink("./105/binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./105/cgroup", [pid 3623] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./105/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./109/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./109/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3619] lstat("./105/cgroup.net", [pid 3623] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] unlink("./105/cgroup.net" [pid 3623] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] umount2("./105/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./109" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... rmdir resumed>) = 0 [pid 3619] lstat("./105/cpuset.effective_cpus", [pid 3623] mkdir("./110", 0777 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./105/cpuset.effective_cpus") = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4402 attached [pid 4402] chdir("./110" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 112 [pid 3619] lstat("./105/cgroup.cpu", [pid 4402] <... chdir resumed>) = 0 [pid 4402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4402] setpgid(0, 0) = 0 [pid 4402] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4402] <... symlink resumed>) = 0 [pid 4402] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4402] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4402] write(3, "1000", 4) = 4 [pid 4402] close(3) = 0 [pid 4402] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4402] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 3619] unlink("./105/cgroup.cpu") = 0 [pid 3619] getdents64(3, [pid 4402] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./105" [pid 4402] <... sendmsg resumed>) = 56 [pid 3619] <... rmdir resumed>) = 0 [pid 4402] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3619] mkdir("./106", 0777 [pid 4402] <... openat resumed>) = 4 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4402] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0./strace-static-x86_64: Process 4403 attached [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 108 [pid 4403] chdir("./106") = 0 [pid 4403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4403] setpgid(0, 0) = 0 [pid 4403] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4403] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4403] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4403] write(3, "1000", 4) = 4 [pid 4403] close(3) = 0 [pid 4403] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4403] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4403] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4403] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4403] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4403] close(3) = 0 [pid 4403] close(4) = 0 [pid 4403] close(5) = -1 EBADF (Bad file descriptor) [pid 4403] close(6) = -1 EBADF (Bad file descriptor) [pid 4403] close(7) = -1 EBADF (Bad file descriptor) [pid 4403] close(8) = -1 EBADF (Bad file descriptor) [pid 4403] close(9) = -1 EBADF (Bad file descriptor) [pid 4403] close(10) = -1 EBADF (Bad file descriptor) [pid 4403] close(11) = -1 EBADF (Bad file descriptor) [pid 4403] close(12) = -1 EBADF (Bad file descriptor) [pid 4403] close(13) = -1 EBADF (Bad file descriptor) [pid 4403] close(14) = -1 EBADF (Bad file descriptor) [pid 4403] close(15) = -1 EBADF (Bad file descriptor) [pid 4403] close(16) = -1 EBADF (Bad file descriptor) [pid 4403] close(17) = -1 EBADF (Bad file descriptor) [pid 4403] close(18) = -1 EBADF (Bad file descriptor) [pid 4403] close(19) = -1 EBADF (Bad file descriptor) [pid 4403] close(20) = -1 EBADF (Bad file descriptor) [pid 4403] close(21) = -1 EBADF (Bad file descriptor) [pid 4403] close(22) = -1 EBADF (Bad file descriptor) [pid 4403] close(23) = -1 EBADF (Bad file descriptor) [pid 4403] close(24) = -1 EBADF (Bad file descriptor) [pid 4403] close(25) = -1 EBADF (Bad file descriptor) [pid 4403] close(26) = -1 EBADF (Bad file descriptor) [pid 4403] close(27) = -1 EBADF (Bad file descriptor) [ 91.371505][ T4402] siw: device registration error -23 [ 91.404017][ T4403] siw: device registration error -23 [pid 4403] close(28) = -1 EBADF (Bad file descriptor) [pid 4403] close(29) = -1 EBADF (Bad file descriptor) [pid 4403] exit_group(0) = ? [pid 4403] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4402] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4402] close(3) = 0 [pid 4402] close(4) = 0 [pid 4402] close(5) = -1 EBADF (Bad file descriptor) [pid 4402] close(6) = -1 EBADF (Bad file descriptor) [pid 4402] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] <... restart_syscall resumed>) = 0 [pid 4402] close(8) = -1 EBADF (Bad file descriptor) [pid 4402] close(9) = -1 EBADF (Bad file descriptor) [pid 4402] close(10 [pid 3619] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(11 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(12 [pid 3619] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(13 [pid 3619] <... openat resumed>) = 3 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(14 [pid 3619] fstat(3, [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(15 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(16 [pid 3619] getdents64(3, [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(17 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(18 [pid 3619] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(19 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(20 [pid 3619] lstat("./106/binderfs", [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4402] close(21 [pid 3619] unlink("./106/binderfs" [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4402] close(22 [pid 3619] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] close(23 [pid 3619] lstat("./106/cgroup", [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4402] close(24 [pid 3619] unlink("./106/cgroup" [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4402] close(25 [pid 3619] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] close(26 [pid 3619] lstat("./106/cgroup.net", [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4402] close(27 [pid 3619] unlink("./106/cgroup.net" [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4402] close(28 [pid 3619] umount2("./106/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] close(29 [pid 3619] lstat("./106/cpuset.effective_cpus", [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4402] exit_group(0 [pid 3619] unlink("./106/cpuset.effective_cpus" [pid 4402] <... exit_group resumed>) = ? [pid 3619] <... unlink resumed>) = 0 [pid 4402] +++ exited with 0 +++ [pid 3619] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] lstat("./106/cgroup.cpu", [pid 3623] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./106/cgroup.cpu" [pid 3623] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3619] getdents64(3, [pid 3623] fstat(3, [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] close(3 [pid 3623] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] rmdir("./106" [pid 3623] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./107", 0777 [pid 3623] lstat("./110/binderfs", [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] unlink("./110/binderfs"./strace-static-x86_64: Process 4406 attached ) = 0 [pid 3623] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 109 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./110/cgroup") = 0 [pid 3623] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4406] chdir("./107" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./110/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./110/cgroup.net") = 0 [pid 4406] <... chdir resumed>) = 0 [pid 3623] umount2("./110/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./110/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] unlink("./110/cpuset.effective_cpus" [pid 4406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./110/cgroup.cpu") = 0 [pid 4406] <... prctl resumed>) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4406] setpgid(0, 0 [pid 3623] close(3 [pid 4406] <... setpgid resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 4406] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] rmdir("./110" [pid 4406] <... symlink resumed>) = 0 [pid 4406] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 4406] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] mkdir("./111", 0777 [pid 4406] <... symlink resumed>) = 0 [pid 4406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] <... mkdir resumed>) = 0 [pid 4406] write(3, "1000", 4 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4406] <... write resumed>) = 4 [pid 4406] close(3) = 0 [pid 4406] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4407 attached ) = 0 [pid 4406] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 113 [pid 4407] chdir("./111" [pid 4406] <... socket resumed>) = 3 [pid 4407] <... chdir resumed>) = 0 [pid 4406] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4406] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4406] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4407] setpgid(0, 0) = 0 [pid 4407] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4407] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4407] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4407] write(3, "1000", 4) = 4 [pid 4407] close(3) = 0 [pid 4407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4407] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4407] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4407] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4407] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4406] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4407] close(3 [pid 4406] close(3) = 0 [pid 4406] close(4) = 0 [pid 4406] close(5 [pid 4407] <... close resumed>) = 0 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(6) = -1 EBADF (Bad file descriptor) [pid 4406] close(7) = -1 EBADF (Bad file descriptor) [pid 4406] close(8) = -1 EBADF (Bad file descriptor) [pid 4406] close(9) = -1 EBADF (Bad file descriptor) [pid 4406] close(10) = -1 EBADF (Bad file descriptor) [pid 4406] close(11) = -1 EBADF (Bad file descriptor) [pid 4406] close(12) = -1 EBADF (Bad file descriptor) [pid 4406] close(13) = -1 EBADF (Bad file descriptor) [pid 4406] close(14) = -1 EBADF (Bad file descriptor) [pid 4406] close(15) = -1 EBADF (Bad file descriptor) [pid 4406] close(16) = -1 EBADF (Bad file descriptor) [pid 4406] close(17) = -1 EBADF (Bad file descriptor) [pid 4406] close(18) = -1 EBADF (Bad file descriptor) [pid 4406] close(19 [pid 4407] close(4) = 0 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(20 [pid 4407] close(5 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] close(6) = -1 EBADF (Bad file descriptor) [pid 4407] close(7 [pid 4406] close(21 [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(22 [pid 4407] close(8 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(23 [pid 4407] close(9 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(24 [pid 4407] close(10 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(25 [pid 4407] close(11 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(26 [pid 4407] close(12 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(27 [pid 4407] close(13 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(28 [pid 4407] close(14 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] close(29 [pid 4407] close(15 [pid 4406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] exit_group(0 [pid 4407] close(16 [pid 4406] <... exit_group resumed>) = ? [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] +++ exited with 0 +++ [pid 4407] close(17 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] close(18) = -1 EBADF (Bad file descriptor) [pid 4407] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4407] close(20 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] close(21 [pid 3619] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4407] close(22 [pid 3619] fstat(3, [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4407] close(23 [pid 3619] getdents64(3, [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4407] close(24 [pid 3619] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4407] close(25 [pid 3619] lstat("./107/binderfs", [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4407] close(26 [pid 3619] unlink("./107/binderfs" [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4407] close(27 [pid 3619] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4407] close(28 [pid 3619] lstat("./107/cgroup", [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4407] close(29 [pid 3619] unlink("./107/cgroup" [pid 4407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4407] exit_group(0 [pid 3619] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4407] <... exit_group resumed>) = ? [ 91.530021][ T4406] siw: device registration error -23 [ 91.557507][ T4407] siw: device registration error -23 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4407] +++ exited with 0 +++ [pid 3619] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./107/cgroup.net") = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./107/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./107/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./107/cpuset.effective_cpus" [pid 3623] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./107/cgroup.cpu") = 0 [pid 3619] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./107" [pid 3623] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./108", 0777 [pid 3623] <... openat resumed>) = 3 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] fstat(3, ./strace-static-x86_64: Process 4411 attached [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 110 [pid 4411] chdir("./108" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4411] <... chdir resumed>) = 0 [pid 3623] getdents64(3, [pid 4411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4411] <... prctl resumed>) = 0 [pid 3623] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4411] setpgid(0, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4411] <... setpgid resumed>) = 0 [pid 3623] lstat("./111/binderfs", [pid 4411] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4411] <... symlink resumed>) = 0 [pid 3623] unlink("./111/binderfs" [pid 4411] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 4411] <... symlink resumed>) = 0 [pid 3623] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4411] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4411] <... symlink resumed>) = 0 [pid 3623] lstat("./111/cgroup", [pid 4411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4411] <... openat resumed>) = 3 [pid 3623] unlink("./111/cgroup" [pid 4411] write(3, "1000", 4 [pid 3623] <... unlink resumed>) = 0 [pid 4411] <... write resumed>) = 4 [pid 3623] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4411] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4411] <... close resumed>) = 0 [pid 3623] lstat("./111/cgroup.net", [pid 4411] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4411] <... symlink resumed>) = 0 [pid 3623] unlink("./111/cgroup.net" [pid 4411] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... unlink resumed>) = 0 [pid 4411] <... socket resumed>) = 3 [pid 3623] umount2("./111/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4411] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4411] <... sendmsg resumed>) = 56 [pid 3623] lstat("./111/cpuset.effective_cpus", [pid 4411] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4411] <... openat resumed>) = 4 [pid 3623] unlink("./111/cpuset.effective_cpus" [pid 4411] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./111/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./111") = 0 [pid 3623] mkdir("./112", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4413 attached [pid 4413] chdir("./112" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 114 [pid 4413] <... chdir resumed>) = 0 [pid 4413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4413] setpgid(0, 0) = 0 [pid 4413] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4413] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4413] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4413] write(3, "1000", 4) = 4 [pid 4413] close(3) = 0 [pid 4413] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4413] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4413] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4413] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 91.663234][ T4411] siw: device registration error -23 [pid 4413] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4413] close(3) = 0 [pid 4413] close(4) = 0 [pid 4413] close(5) = -1 EBADF (Bad file descriptor) [pid 4413] close(6) = -1 EBADF (Bad file descriptor) [pid 4411] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4413] close(7) = -1 EBADF (Bad file descriptor) [pid 4411] close(3) = 0 [pid 4411] close(4 [pid 4413] close(8) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = 0 [pid 4411] close(5) = -1 EBADF (Bad file descriptor) [pid 4411] close(6) = -1 EBADF (Bad file descriptor) [pid 4413] close(9 [pid 4411] close(7 [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] close(10 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] close(11 [pid 4411] close(8 [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] close(12) = -1 EBADF (Bad file descriptor) [pid 4413] close(13) = -1 EBADF (Bad file descriptor) [pid 4413] close(14 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] close(15 [pid 4411] close(9 [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] close(16 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(10 [pid 4413] close(17 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(11 [pid 4413] close(18) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] close(19) = -1 EBADF (Bad file descriptor) [pid 4413] close(20) = -1 EBADF (Bad file descriptor) [pid 4413] close(21) = -1 EBADF (Bad file descriptor) [pid 4411] close(12 [pid 4413] close(22 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(13 [pid 4413] close(23 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(14 [pid 4413] close(24 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(15 [pid 4413] close(25 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(16 [pid 4413] close(26 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(17 [pid 4413] close(27 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(18 [pid 4413] close(28 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(19 [pid 4413] close(29 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(20 [pid 4413] exit_group(0 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4413] <... exit_group resumed>) = ? [pid 4411] close(21 [pid 4413] +++ exited with 0 +++ [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(22 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 4411] close(23) = -1 EBADF (Bad file descriptor) [pid 4411] close(24 [pid 3623] <... restart_syscall resumed>) = 0 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(25) = -1 EBADF (Bad file descriptor) [pid 4411] close(26) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4411] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(28 [pid 3623] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(29 [pid 3623] <... openat resumed>) = 3 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 91.710711][ T4413] siw: device registration error -23 [pid 3623] fstat(3, [pid 4411] exit_group(0) = ? [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4411] +++ exited with 0 +++ [pid 3623] getdents64(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./112/binderfs", [pid 3619] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./112/binderfs" [pid 3619] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./112/cgroup", [pid 3619] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] unlink("./112/cgroup" [pid 3619] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./108/binderfs", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./112/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./108/binderfs" [pid 3623] unlink("./112/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./112/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./108/cgroup", [pid 3623] lstat("./112/cpuset.effective_cpus", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] unlink("./108/cgroup" [pid 3623] unlink("./112/cpuset.effective_cpus" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./108/cgroup.net", [pid 3623] lstat("./112/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./108/cgroup.net" [pid 3623] unlink("./112/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] umount2("./108/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./108/cpuset.effective_cpus", [pid 3623] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] unlink("./108/cpuset.effective_cpus" [pid 3623] rmdir("./112") = 0 [pid 3623] mkdir("./113", 0777) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4416 attached [pid 4416] chdir("./113" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 115 [pid 3619] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4416] <... chdir resumed>) = 0 [pid 4416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4416] setpgid(0, 0) = 0 [pid 4416] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4416] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./108/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./108/cgroup.cpu" [pid 4416] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4416] <... symlink resumed>) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./108" [pid 4416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./109", 0777 [pid 4416] write(3, "1000", 4) = 4 [pid 4416] close(3) = 0 [pid 4416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4416] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4416] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4416] <... sendmsg resumed>) = 56 ./strace-static-x86_64: Process 4417 attached [pid 4416] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4417] chdir("./109" [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 111 [pid 4417] <... chdir resumed>) = 0 [pid 4417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4417] setpgid(0, 0) = 0 [pid 4417] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4417] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4417] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4416] <... openat resumed>) = 4 [pid 4417] <... openat resumed>) = 3 [pid 4416] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4417] write(3, "1000", 4) = 4 [pid 4417] close(3) = 0 [pid 4417] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4417] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4417] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4417] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4417] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4416] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4416] close(3) = 0 [pid 4416] close(4) = 0 [pid 4416] close(5) = -1 EBADF (Bad file descriptor) [pid 4416] close(6) = -1 EBADF (Bad file descriptor) [pid 4416] close(7) = -1 EBADF (Bad file descriptor) [pid 4416] close(8) = -1 EBADF (Bad file descriptor) [pid 4416] close(9) = -1 EBADF (Bad file descriptor) [pid 4416] close(10) = -1 EBADF (Bad file descriptor) [pid 4416] close(11) = -1 EBADF (Bad file descriptor) [pid 4416] close(12) = -1 EBADF (Bad file descriptor) [pid 4416] close(13) = -1 EBADF (Bad file descriptor) [pid 4416] close(14) = -1 EBADF (Bad file descriptor) [pid 4416] close(15) = -1 EBADF (Bad file descriptor) [pid 4416] close(16) = -1 EBADF (Bad file descriptor) [pid 4416] close(17) = -1 EBADF (Bad file descriptor) [pid 4416] close(18) = -1 EBADF (Bad file descriptor) [pid 4416] close(19) = -1 EBADF (Bad file descriptor) [pid 4416] close(20) = -1 EBADF (Bad file descriptor) [pid 4416] close(21) = -1 EBADF (Bad file descriptor) [pid 4416] close(22) = -1 EBADF (Bad file descriptor) [pid 4416] close(23) = -1 EBADF (Bad file descriptor) [pid 4416] close(24) = -1 EBADF (Bad file descriptor) [pid 4416] close(25) = -1 EBADF (Bad file descriptor) [pid 4416] close(26) = -1 EBADF (Bad file descriptor) [pid 4416] close(27) = -1 EBADF (Bad file descriptor) [pid 4416] close(28) = -1 EBADF (Bad file descriptor) [pid 4416] close(29) = -1 EBADF (Bad file descriptor) [pid 4416] exit_group(0) = ? [pid 4417] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4416] +++ exited with 0 +++ [pid 4417] close(3) = 0 [pid 4417] close(4) = 0 [pid 4417] close(5) = -1 EBADF (Bad file descriptor) [pid 4417] close(6) = -1 EBADF (Bad file descriptor) [pid 4417] close(7) = -1 EBADF (Bad file descriptor) [pid 4417] close(8) = -1 EBADF (Bad file descriptor) [pid 4417] close(9) = -1 EBADF (Bad file descriptor) [pid 4417] close(10) = -1 EBADF (Bad file descriptor) [pid 4417] close(11) = -1 EBADF (Bad file descriptor) [pid 4417] close(12) = -1 EBADF (Bad file descriptor) [pid 4417] close(13) = -1 EBADF (Bad file descriptor) [ 91.814946][ T4416] siw: device registration error -23 [ 91.835189][ T4417] siw: device registration error -23 [pid 4417] close(14) = -1 EBADF (Bad file descriptor) [pid 4417] close(15) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4417] close(16) = -1 EBADF (Bad file descriptor) [pid 4417] close(17 [pid 3623] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] close(18 [pid 3623] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3623] fstat(3, [pid 4417] close(19 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] close(20 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4417] close(21 [pid 3623] lstat("./113/binderfs", [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./113/binderfs" [pid 4417] close(22) = -1 EBADF (Bad file descriptor) [pid 4417] close(23 [pid 3623] <... unlink resumed>) = 0 [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4417] close(24) = -1 EBADF (Bad file descriptor) [pid 4417] close(25) = -1 EBADF (Bad file descriptor) [pid 4417] close(26) = -1 EBADF (Bad file descriptor) [pid 4417] close(27 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./113/cgroup", [pid 4417] close(28) = -1 EBADF (Bad file descriptor) [pid 4417] close(29) = -1 EBADF (Bad file descriptor) [pid 4417] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4417] <... exit_group resumed>) = ? [pid 4417] +++ exited with 0 +++ [pid 3623] unlink("./113/cgroup") = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./113/cgroup.net", [pid 3619] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./113/cgroup.net" [pid 3619] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3623] umount2("./113/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./113/cpuset.effective_cpus", [pid 3619] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] unlink("./113/cpuset.effective_cpus" [pid 3619] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./109/binderfs", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] lstat("./113/cgroup.cpu", [pid 3619] unlink("./109/binderfs" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] unlink("./113/cgroup.cpu" [pid 3619] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3619] lstat("./109/cgroup", [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] close(3 [pid 3619] unlink("./109/cgroup" [pid 3623] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3623] rmdir("./113" [pid 3619] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./114", 0777 [pid 3619] lstat("./109/cgroup.net", [pid 3623] <... mkdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] unlink("./109/cgroup.net"./strace-static-x86_64: Process 4420 attached ) = 0 [pid 4420] chdir("./114" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 116 [pid 3619] umount2("./109/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4420] <... chdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] lstat("./109/cpuset.effective_cpus", [pid 4420] <... prctl resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4420] setpgid(0, 0 [pid 3619] unlink("./109/cpuset.effective_cpus") = 0 [pid 3619] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4420] <... setpgid resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4420] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] lstat("./109/cgroup.cpu", [pid 4420] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4420] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] unlink("./109/cgroup.cpu" [pid 4420] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4420] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4420] <... symlink resumed>) = 0 [pid 3619] close(3 [pid 4420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./109" [pid 4420] <... openat resumed>) = 3 [pid 3619] <... rmdir resumed>) = 0 [pid 4420] write(3, "1000", 4 [pid 3619] mkdir("./110", 0777 [pid 4420] <... write resumed>) = 4 [pid 3619] <... mkdir resumed>) = 0 [pid 4420] close(3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4422 attached [pid 4420] <... close resumed>) = 0 [pid 4422] chdir("./110" [pid 4420] symlink("/dev/binderfs", "./binderfs" [pid 4422] <... chdir resumed>) = 0 [pid 4420] <... symlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 112 [pid 4422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4420] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4422] <... prctl resumed>) = 0 [pid 4420] <... socket resumed>) = 3 [pid 4422] setpgid(0, 0) = 0 [pid 4420] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4422] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4420] <... sendmsg resumed>) = 56 [pid 4422] <... symlink resumed>) = 0 [pid 4420] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4422] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4420] <... openat resumed>) = 4 [pid 4422] <... symlink resumed>) = 0 [pid 4420] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4422] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4422] write(3, "1000", 4) = 4 [pid 4422] close(3) = 0 [pid 4422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4422] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4422] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4422] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4422] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0) = -1 ENOSPC (No space left on device) [pid 4422] close(3) = 0 [pid 4422] close(4) = 0 [pid 4422] close(5) = -1 EBADF (Bad file descriptor) [pid 4422] close(6) = -1 EBADF (Bad file descriptor) [pid 4422] close(7) = -1 EBADF (Bad file descriptor) [pid 4422] close(8) = -1 EBADF (Bad file descriptor) [pid 4422] close(9) = -1 EBADF (Bad file descriptor) [pid 4422] close(10) = -1 EBADF (Bad file descriptor) [pid 4422] close(11) = -1 EBADF (Bad file descriptor) [pid 4422] close(12) = -1 EBADF (Bad file descriptor) [pid 4422] close(13) = -1 EBADF (Bad file descriptor) [pid 4422] close(14) = -1 EBADF (Bad file descriptor) [pid 4422] close(15) = -1 EBADF (Bad file descriptor) [pid 4422] close(16) = -1 EBADF (Bad file descriptor) [pid 4422] close(17) = -1 EBADF (Bad file descriptor) [pid 4422] close(18) = -1 EBADF (Bad file descriptor) [pid 4422] close(19) = -1 EBADF (Bad file descriptor) [pid 4422] close(20) = -1 EBADF (Bad file descriptor) [pid 4422] close(21) = -1 EBADF (Bad file descriptor) [pid 4422] close(22) = -1 EBADF (Bad file descriptor) [pid 4422] close(23) = -1 EBADF (Bad file descriptor) [pid 4422] close(24) = -1 EBADF (Bad file descriptor) [pid 4422] close(25) = -1 EBADF (Bad file descriptor) [pid 4422] close(26) = -1 EBADF (Bad file descriptor) [pid 4422] close(27) = -1 EBADF (Bad file descriptor) [pid 4422] close(28) = -1 EBADF (Bad file descriptor) [pid 4422] close(29) = -1 EBADF (Bad file descriptor) [pid 4422] exit_group(0) = ? [pid 4422] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4420] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4420] close(3 [pid 3619] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4420] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4420] close(4 [pid 3619] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4420] <... close resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4420] close(5 [pid 3619] fstat(3, [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, [pid 4420] close(6 [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4420] close(7 [pid 3619] lstat("./110/binderfs", [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4420] close(8 [pid 3619] unlink("./110/binderfs" [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] close(9) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./110/cgroup", [pid 4420] close(10 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./110/cgroup" [pid 4420] close(11) = -1 EBADF (Bad file descriptor) [pid 4420] close(12 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./110/cgroup.net", [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] close(13) = -1 EBADF (Bad file descriptor) [pid 4420] close(14) = -1 EBADF (Bad file descriptor) [pid 4420] close(15) = -1 EBADF (Bad file descriptor) [pid 4420] close(16) = -1 EBADF (Bad file descriptor) [pid 4420] close(17) = -1 EBADF (Bad file descriptor) [pid 4420] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4420] close(19) = -1 EBADF (Bad file descriptor) [pid 4420] close(20) = -1 EBADF (Bad file descriptor) [pid 4420] close(21) = -1 EBADF (Bad file descriptor) [pid 4420] close(22 [pid 3619] unlink("./110/cgroup.net" [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] close(23) = -1 EBADF (Bad file descriptor) [pid 4420] close(24 [pid 3619] <... unlink resumed>) = 0 [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] close(25) = -1 EBADF (Bad file descriptor) [pid 4420] close(26) = -1 EBADF (Bad file descriptor) [pid 4420] close(27) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./110/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4420] close(28 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./110/cpuset.effective_cpus", [pid 4420] close(29) = -1 EBADF (Bad file descriptor) [pid 4420] exit_group(0 [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4420] <... exit_group resumed>) = ? [pid 3619] unlink("./110/cpuset.effective_cpus" [pid 4420] +++ exited with 0 +++ [pid 3619] <... unlink resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./110/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./114/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./114/binderfs" [pid 3619] unlink("./110/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./114/cgroup", [pid 3619] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./114/cgroup" [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... unlink resumed>) = 0 [ 91.965495][ T4420] siw: device registration error -23 [ 91.990243][ T4422] siw: device registration error -23 [pid 3623] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./114/cgroup.net", [pid 3619] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./114/cgroup.net" [pid 3619] rmdir("./110" [pid 3623] <... unlink resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3623] umount2("./114/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./111", 0777 [pid 3623] lstat("./114/cpuset.effective_cpus", {st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] unlink("./114/cpuset.effective_cpus") = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4425 attached ) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./114/cgroup.cpu", [pid 4425] chdir("./111" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 113 [pid 4425] <... chdir resumed>) = 0 [pid 3623] unlink("./114/cgroup.cpu" [pid 4425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... unlink resumed>) = 0 [pid 4425] <... prctl resumed>) = 0 [pid 3623] getdents64(3, [pid 4425] setpgid(0, 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 4425] <... setpgid resumed>) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./114" [pid 4425] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... rmdir resumed>) = 0 [pid 4425] <... symlink resumed>) = 0 [pid 3623] mkdir("./115", 0777 [pid 4425] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... mkdir resumed>) = 0 [pid 4425] <... symlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4425] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4425] write(3, "1000", 4) = 4 [pid 4425] close(3) = 0 [pid 4425] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4425] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4425] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 117 [pid 4425] <... sendmsg resumed>) = 56 [pid 4425] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000./strace-static-x86_64: Process 4426 attached ) = 4 [pid 4425] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4426] chdir("./115") = 0 [pid 4426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4426] setpgid(0, 0) = 0 [pid 4426] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4426] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4426] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4426] write(3, "1000", 4) = 4 [pid 4426] close(3) = 0 [pid 4426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4426] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4426] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4426] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4426] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4425] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4425] close(3) = 0 [pid 4425] close(4) = 0 [pid 4425] close(5) = -1 EBADF (Bad file descriptor) [pid 4425] close(6) = -1 EBADF (Bad file descriptor) [pid 4425] close(7) = -1 EBADF (Bad file descriptor) [pid 4425] close(8) = -1 EBADF (Bad file descriptor) [pid 4425] close(9) = -1 EBADF (Bad file descriptor) [pid 4425] close(10) = -1 EBADF (Bad file descriptor) [pid 4425] close(11) = -1 EBADF (Bad file descriptor) [pid 4425] close(12) = -1 EBADF (Bad file descriptor) [pid 4425] close(13) = -1 EBADF (Bad file descriptor) [pid 4425] close(14) = -1 EBADF (Bad file descriptor) [pid 4425] close(15) = -1 EBADF (Bad file descriptor) [pid 4425] close(16) = -1 EBADF (Bad file descriptor) [pid 4425] close(17) = -1 EBADF (Bad file descriptor) [pid 4425] close(18) = -1 EBADF (Bad file descriptor) [pid 4426] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4425] close(19) = -1 EBADF (Bad file descriptor) [pid 4425] close(20) = -1 EBADF (Bad file descriptor) [pid 4425] close(21) = -1 EBADF (Bad file descriptor) [pid 4425] close(22) = -1 EBADF (Bad file descriptor) [pid 4425] close(23) = -1 EBADF (Bad file descriptor) [pid 4425] close(24) = -1 EBADF (Bad file descriptor) [ 92.077197][ T4425] siw: device registration error -23 [ 92.104115][ T4426] siw: device registration error -23 [pid 4425] close(25) = -1 EBADF (Bad file descriptor) [pid 4425] close(26) = -1 EBADF (Bad file descriptor) [pid 4425] close(27) = -1 EBADF (Bad file descriptor) [pid 4425] close(28) = -1 EBADF (Bad file descriptor) [pid 4425] close(29) = -1 EBADF (Bad file descriptor) [pid 4425] exit_group(0) = ? [pid 4425] +++ exited with 0 +++ [pid 4426] close(3) = 0 [pid 4426] close(4) = 0 [pid 4426] close(5) = -1 EBADF (Bad file descriptor) [pid 4426] close(6) = -1 EBADF (Bad file descriptor) [pid 4426] close(7) = -1 EBADF (Bad file descriptor) [pid 4426] close(8) = -1 EBADF (Bad file descriptor) [pid 4426] close(9) = -1 EBADF (Bad file descriptor) [pid 4426] close(10) = -1 EBADF (Bad file descriptor) [pid 4426] close(11) = -1 EBADF (Bad file descriptor) [pid 4426] close(12 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4426] close(13) = -1 EBADF (Bad file descriptor) [pid 4426] close(14 [pid 3619] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] close(15 [pid 3619] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4426] close(16 [pid 3619] fstat(3, [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4426] close(17 [pid 3619] getdents64(3, [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 4426] close(18 [pid 3619] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] close(19 [pid 3619] lstat("./111/binderfs", [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4426] close(20 [pid 3619] unlink("./111/binderfs" [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4426] close(21 [pid 3619] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] close(22 [pid 3619] lstat("./111/cgroup", [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4426] close(23 [pid 3619] unlink("./111/cgroup" [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4426] close(24 [pid 3619] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] close(25 [pid 3619] lstat("./111/cgroup.net", [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4426] close(26 [pid 3619] unlink("./111/cgroup.net" [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4426] close(27 [pid 3619] umount2("./111/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] close(28 [pid 3619] lstat("./111/cpuset.effective_cpus", [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4426] close(29 [pid 3619] unlink("./111/cpuset.effective_cpus" [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4426] exit_group(0 [pid 3619] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] <... exit_group resumed>) = ? [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] +++ exited with 0 +++ [pid 3619] lstat("./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] unlink("./111/cgroup.cpu" [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3619] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3623] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] rmdir("./111" [pid 3623] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3619] mkdir("./112", 0777 [pid 3623] fstat(3, [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4430 attached [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 114 [pid 4430] chdir("./112" [pid 3623] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4430] <... chdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] lstat("./115/binderfs", [pid 4430] <... prctl resumed>) = 0 [pid 4430] setpgid(0, 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4430] <... setpgid resumed>) = 0 [pid 3623] unlink("./115/binderfs" [pid 4430] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 4430] <... symlink resumed>) = 0 [pid 3623] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4430] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4430] <... symlink resumed>) = 0 [pid 3623] lstat("./115/cgroup", [pid 4430] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4430] <... symlink resumed>) = 0 [pid 3623] unlink("./115/cgroup" [pid 4430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] <... unlink resumed>) = 0 [pid 4430] <... openat resumed>) = 3 [pid 3623] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4430] write(3, "1000", 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4430] <... write resumed>) = 4 [pid 3623] lstat("./115/cgroup.net", [pid 4430] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4430] <... close resumed>) = 0 [pid 3623] unlink("./115/cgroup.net" [pid 4430] symlink("/dev/binderfs", "./binderfs" [pid 3623] <... unlink resumed>) = 0 [pid 4430] <... symlink resumed>) = 0 [pid 3623] umount2("./115/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4430] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4430] <... socket resumed>) = 3 [pid 3623] lstat("./115/cpuset.effective_cpus", [pid 4430] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 4430] <... sendmsg resumed>) = 56 [pid 3623] unlink("./115/cpuset.effective_cpus" [pid 4430] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 3623] <... unlink resumed>) = 0 [pid 4430] <... openat resumed>) = 4 [pid 3623] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4430] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./115/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./115/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./115") = 0 [pid 3623] mkdir("./116", 0777) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4432 attached [pid 4432] chdir("./116" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 118 [pid 4432] <... chdir resumed>) = 0 [pid 4432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4432] setpgid(0, 0) = 0 [pid 4432] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4432] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4432] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4432] write(3, "1000", 4) = 4 [pid 4432] close(3) = 0 [pid 4432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4432] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [ 92.236104][ T4430] siw: device registration error -23 [pid 4432] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4432] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4432] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4430] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4430] close(3 [pid 4432] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4430] <... close resumed>) = 0 [pid 4432] close(3 [pid 4430] close(4 [pid 4432] <... close resumed>) = 0 [pid 4430] <... close resumed>) = 0 [pid 4432] close(4 [pid 4430] close(5 [pid 4432] <... close resumed>) = 0 [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(5 [pid 4430] close(6 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(6 [pid 4430] close(7 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(7 [pid 4430] close(8 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(8 [pid 4430] close(9 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(9 [pid 4430] close(10 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(10 [pid 4430] close(11 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(11 [pid 4430] close(12 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(12 [pid 4430] close(13 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(13 [pid 4430] close(14 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(14 [pid 4430] close(15 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(15 [pid 4430] close(16 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(16 [pid 4430] close(17 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(17 [pid 4430] close(18 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(18 [pid 4430] close(19 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(19 [pid 4430] close(20 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(20 [pid 4430] close(21 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(21 [pid 4430] close(22 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(22 [pid 4430] close(23 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(23 [pid 4430] close(24 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(24 [pid 4430] close(25 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(25 [pid 4430] close(26 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(26 [pid 4430] close(27 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(27 [pid 4430] close(28 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(28 [pid 4430] close(29 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(29 [pid 4430] exit_group(0 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] <... exit_group resumed>) = ? [pid 4432] exit_group(0 [pid 4430] +++ exited with 0 +++ [pid 4432] <... exit_group resumed>) = ? [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4432] +++ exited with 0 +++ [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... restart_syscall resumed>) = 0 [pid 3619] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, [pid 3623] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... openat resumed>) = 3 [pid 3619] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./112/binderfs", [pid 3623] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] unlink("./112/binderfs" [ 92.298913][ T4432] siw: device registration error -23 [pid 3623] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./116/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./112/cgroup", [pid 3623] unlink("./116/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./112/cgroup" [pid 3623] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./116/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./112/cgroup.net", [pid 3623] unlink("./116/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./112/cgroup.net" [pid 3623] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./112/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./116/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./112/cpuset.effective_cpus", [pid 3623] unlink("./116/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./112/cpuset.effective_cpus" [pid 3623] umount2("./116/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./116/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./112/cgroup.cpu", [pid 3623] unlink("./116/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./112/cgroup.cpu" [pid 3623] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3623] lstat("./116/cgroup.cpu", [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] close(3 [pid 3623] unlink("./116/cgroup.cpu" [pid 3619] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] rmdir("./112" [pid 3623] getdents64(3, [pid 3619] <... rmdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] mkdir("./113", 0777 [pid 3623] close(3 [pid 3619] <... mkdir resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4437 attached [pid 3623] rmdir("./116" [pid 4437] chdir("./113" [pid 3623] <... rmdir resumed>) = 0 [pid 4437] <... chdir resumed>) = 0 [pid 3623] mkdir("./117", 0777 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 115 [pid 4437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... mkdir resumed>) = 0 [pid 4437] <... prctl resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4438 attached [pid 4437] setpgid(0, 0 [pid 4438] chdir("./117" [pid 4437] <... setpgid resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 119 [pid 4438] <... chdir resumed>) = 0 [pid 4437] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4437] <... symlink resumed>) = 0 [pid 4438] <... prctl resumed>) = 0 [pid 4437] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4438] setpgid(0, 0 [pid 4437] <... symlink resumed>) = 0 [pid 4438] <... setpgid resumed>) = 0 [pid 4437] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4438] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4437] <... symlink resumed>) = 0 [pid 4438] <... symlink resumed>) = 0 [pid 4437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4438] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4437] <... openat resumed>) = 3 [pid 4438] <... symlink resumed>) = 0 [pid 4437] write(3, "1000", 4 [pid 4438] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4437] <... write resumed>) = 4 [pid 4438] <... symlink resumed>) = 0 [pid 4437] close(3) = 0 [pid 4437] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4437] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA [pid 4438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4437] <... socket resumed>) = 3 [pid 4438] <... openat resumed>) = 3 [pid 4437] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4438] write(3, "1000", 4 [pid 4437] <... sendmsg resumed>) = 56 [pid 4438] <... write resumed>) = 4 [pid 4437] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 4438] close(3 [pid 4437] <... openat resumed>) = 4 [pid 4438] <... close resumed>) = 0 [pid 4437] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4438] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4438] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4438] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [pid 4438] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200004c0 [pid 4437] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4437] close(3) = 0 [ 92.423611][ T4437] siw: device registration error -23 [ 92.437376][ T4438] siw: device registration error -23 [pid 4437] close(4) = 0 [pid 4437] close(5) = -1 EBADF (Bad file descriptor) [pid 4437] close(6 [pid 4438] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 4438] close(3) = 0 [pid 4438] close(4) = 0 [pid 4438] close(5) = -1 EBADF (Bad file descriptor) [pid 4438] close(6) = -1 EBADF (Bad file descriptor) [pid 4438] close(7) = -1 EBADF (Bad file descriptor) [pid 4438] close(8) = -1 EBADF (Bad file descriptor) [pid 4438] close(9) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] close(7) = -1 EBADF (Bad file descriptor) [pid 4437] close(8 [pid 4438] close(10) = -1 EBADF (Bad file descriptor) [pid 4438] close(11) = -1 EBADF (Bad file descriptor) [pid 4438] close(12) = -1 EBADF (Bad file descriptor) [pid 4438] close(13) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(14) = -1 EBADF (Bad file descriptor) [pid 4437] close(9 [pid 4438] close(15 [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] close(10 [pid 4438] close(16 [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] close(11 [pid 4438] close(17) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(18 [pid 4437] close(12 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(19 [pid 4437] close(13 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(20 [pid 4437] close(14 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(21 [pid 4437] close(15 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(22 [pid 4437] close(16 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(23 [pid 4437] close(17 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(24 [pid 4437] close(18 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(25 [pid 4437] close(19 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(26 [pid 4437] close(20 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(27 [pid 4437] close(21 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(28 [pid 4437] close(22 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(29 [pid 4437] close(23 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] exit_group(0 [pid 4437] close(24 [pid 4438] <... exit_group resumed>) = ? [pid 4437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4437] close(25) = -1 EBADF (Bad file descriptor) [pid 4438] +++ exited with 0 +++ [pid 4437] close(26) = -1 EBADF (Bad file descriptor) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4437] close(27) = -1 EBADF (Bad file descriptor) [pid 4437] close(28) = -1 EBADF (Bad file descriptor) [pid 4437] close(29) = -1 EBADF (Bad file descriptor) [pid 4437] exit_group(0) = ? [pid 4437] +++ exited with 0 +++ [pid 3623] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] <... openat resumed>) = 3 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3623] fstat(3, [pid 3619] <... restart_syscall resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] lstat("./117/binderfs", [pid 3619] <... openat resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] fstat(3, [pid 3623] unlink("./117/binderfs" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 7 entries */, 32768) = 224 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./117/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./113/binderfs", [pid 3623] unlink("./117/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./113/binderfs" [pid 3623] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./117/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./113/cgroup", [pid 3623] unlink("./117/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./113/cgroup" [pid 3623] umount2("./117/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./117/cpuset.effective_cpus", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3619] lstat("./113/cgroup.net", [pid 3623] unlink("./117/cpuset.effective_cpus" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./113/cgroup.net" [pid 3623] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./113/cpuset.effective_cpus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./117/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./113/cpuset.effective_cpus", [pid 3623] unlink("./117/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFREG|000, st_size=0, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3619] unlink("./113/cpuset.effective_cpus" [pid 3623] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... close resumed>) = 0 [pid 3619] lstat("./113/cgroup.cpu", [pid 3623] rmdir("./117" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3619] unlink("./113/cgroup.cpu" [pid 3623] mkdir("./118", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3619] getdents64(3, [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... getdents64 resumed>0x5555558f56e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4441 attached [pid 3619] close(3 [pid 4441] chdir("./118" [pid 3623] <... clone resumed>, child_tidptr=0x5555558f4690) = 120 [pid 3619] <... close resumed>) = 0 [pid 4441] <... chdir resumed>) = 0 [pid 3619] rmdir("./113" [pid 4441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... rmdir resumed>) = 0 [pid 4441] <... prctl resumed>) = 0 [pid 3619] mkdir("./114", 0777 [pid 4441] setpgid(0, 0 [pid 3619] <... mkdir resumed>) = 0 [pid 4441] <... setpgid resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4441] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555558f4690) = 116 [pid 4441] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4441] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4441] write(3, "1000", 4) = 4 [pid 4441] close(3) = 0 [pid 4441] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4441] socket(AF_NETLINK, SOCK_RAW, NETLINK_RDMA) = 3 [pid 4441] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x03\x14\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x08\x00\x41\x00\x73\x69\x77\x00\x14\x00\x33\x00\x76\x69\x72\x74\x5f\x77\x69\x66\x69\x30\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 56 [pid 4441] openat(AT_FDCWD, "cpuset.effective_cpus", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4 [ 92.549492][ T1350] ================================================================== [ 92.549503][ T1350] BUG: KASAN: use-after-free in cfusbl_device_notify+0x7c9/0x870 [ 92.549562][ T1350] Read of size 8 at addr ffff88806e90a6f0 by task kworker/u4:5/1350 [ 92.549582][ T1350] [ 92.549587][ T1350] CPU: 1 PID: 1350 Comm: kworker/u4:5 Not tainted 5.18.0-rc6-next-20220513-syzkaller #0 [ 92.549620][ T1350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.549634][ T1350] Workqueue: netns cleanup_net [ 92.549668][ T1350] Call Trace: [ 92.549674][ T1350] [ 92.549682][ T1350] dump_stack_lvl+0xcd/0x134 [ 92.549712][ T1350] print_address_description.constprop.0.cold+0xeb/0x495 [ 92.549746][ T1350] ? cfusbl_device_notify+0x7c9/0x870 [ 92.549779][ T1350] kasan_report.cold+0xf4/0x1c6 [ 92.549808][ T1350] ? cfusbl_device_notify+0x7c9/0x870 [ 92.549843][ T1350] cfusbl_device_notify+0x7c9/0x870 [ 92.549877][ T1350] ? cfusbl_receive+0x100/0x100 [ 92.549912][ T1350] ? caif_enroll_dev+0xb10/0xb10 [ 92.549939][ T1350] ? smc_pnet_netdev_event+0x78/0xbe0 [ 92.549967][ T1350] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 92.550001][ T1350] notifier_call_chain+0xb5/0x200 [ 92.550033][ T1350] call_netdevice_notifiers_info+0xb5/0x130 [ 92.550063][ T1350] netdev_run_todo+0xb90/0x10b0 [ 92.550090][ T1350] ? generic_xdp_install+0x4a0/0x4a0 [ 92.550115][ T1350] ? netdev_pick_tx+0xbe0/0xbe0 [ 92.550148][ T1350] ? unregister_netdevice_many+0x1890/0x1890 [ 92.550183][ T1350] ? sysfs_remove_group+0xc2/0x170 [ 92.550214][ T1350] ? br_dev_delete+0x112/0x190 [ 92.550241][ T1350] default_device_exit_batch+0x44e/0x590 [ 92.550278][ T1350] ? __dev_change_net_namespace+0x13c0/0x13c0 [ 92.550317][ T1350] ? __dev_change_net_namespace+0x13c0/0x13c0 [ 92.550352][ T1350] ops_exit_list+0x125/0x170 [ 92.550385][ T1350] cleanup_net+0x4ea/0xb00 [ 92.550418][ T1350] ? lockdep_hardirqs_on+0x79/0x100 [ 92.550440][ T1350] ? unregister_pernet_device+0x70/0x70 [ 92.550479][ T1350] process_one_work+0x996/0x1610 [ 92.550512][ T1350] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 92.550541][ T1350] ? rwlock_bug.part.0+0x90/0x90 [ 92.550562][ T1350] ? _raw_spin_lock_irq+0x41/0x50 [ 92.550592][ T1350] worker_thread+0x665/0x1080 [ 92.550631][ T1350] ? __kthread_parkme+0x15f/0x220 [ 92.550667][ T1350] ? process_one_work+0x1610/0x1610 [ 92.550695][ T1350] kthread+0x2e9/0x3a0 [ 92.550716][ T1350] ? kthread_complete_and_exit+0x40/0x40 [ 92.550741][ T1350] ret_from_fork+0x1f/0x30 [ 92.550779][ T1350] [ 92.550786][ T1350] [ 92.550790][ T1350] Allocated by task 3622: [ 92.550800][ T1350] kasan_save_stack+0x1e/0x40 [ 92.550834][ T1350] __kasan_kmalloc+0xa9/0xd0 [ 92.550864][ T1350] kvmalloc_node+0x3e/0x190 [ 92.550889][ T1350] alloc_netdev_mqs+0x98/0x1180 [ 92.550918][ T1350] rtnl_create_link+0x9d7/0xc00 [ 92.550947][ T1350] veth_newlink+0x20d/0x9a0 [ 92.550973][ T1350] __rtnl_newlink+0x1087/0x17e0 [ 92.550994][ T1350] rtnl_newlink+0x64/0xa0 [ 92.551013][ T1350] rtnetlink_rcv_msg+0x43a/0xc90 [ 92.551032][ T1350] netlink_rcv_skb+0x153/0x420 [ 92.551055][ T1350] netlink_unicast+0x543/0x7f0 [ 92.551078][ T1350] netlink_sendmsg+0x917/0xe10 [ 92.551100][ T1350] sock_sendmsg+0xcf/0x120 [ 92.551120][ T1350] __sys_sendto+0x21a/0x320 [ 92.551142][ T1350] __x64_sys_sendto+0xdd/0x1b0 [ 92.551164][ T1350] do_syscall_64+0x35/0xb0 [ 92.551193][ T1350] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 92.551219][ T1350] [ 92.551222][ T1350] Freed by task 1350: [ 92.551232][ T1350] kasan_save_stack+0x1e/0x40 [ 92.551263][ T1350] kasan_set_track+0x21/0x30 [ 92.551294][ T1350] kasan_set_free_info+0x20/0x30 [ 92.551317][ T1350] ____kasan_slab_free+0x166/0x1a0 [ 92.551349][ T1350] slab_free_freelist_hook+0x8b/0x1c0 [ 92.551379][ T1350] kfree+0xd6/0x4d0 [ 92.551405][ T1350] kvfree+0x42/0x50 [ 92.551428][ T1350] device_release+0x9f/0x240 [ 92.551452][ T1350] kobject_put+0x1c8/0x540 [ 92.551472][ T1350] netdev_run_todo+0x72e/0x10b0 [ 92.551494][ T1350] default_device_exit_batch+0x44e/0x590 [ 92.551528][ T1350] ops_exit_list+0x125/0x170 [ 92.551558][ T1350] cleanup_net+0x4ea/0xb00 [ 92.551587][ T1350] process_one_work+0x996/0x1610 [ 92.551617][ T1350] worker_thread+0x665/0x1080 [ 92.551640][ T1350] kthread+0x2e9/0x3a0 [ 92.551659][ T1350] ret_from_fork+0x1f/0x30 [ 92.551685][ T1350] [ 92.551688][ T1350] The buggy address belongs to the object at ffff88806e90a000 [ 92.551688][ T1350] which belongs to the cache kmalloc-cg-4k of size 4096 [ 92.551706][ T1350] The buggy address is located 1776 bytes inside of [ 92.551706][ T1350] 4096-byte region [ffff88806e90a000, ffff88806e90b000) [ 92.551726][ T1350] [ 92.551730][ T1350] The buggy address belongs to the physical page: [ 92.551739][ T1350] page:ffffea0001ba4200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6e908 [ 92.551762][ T1350] head:ffffea0001ba4200 order:3 compound_mapcount:0 compound_pincount:0 [ 92.551778][ T1350] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 92.551809][ T1350] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c4c280 [ 92.551830][ T1350] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 92.551841][ T1350] page dumped because: kasan: bad access detected [ 92.551849][ T1350] page_owner tracks the page as allocated [ 92.551854][ T1350] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3622, tgid 3622 (syz-executor230), ts 55113164460, free_ts 13028404241 [ 92.551896][ T1350] get_page_from_freelist+0xa25/0x3d00 [ 92.551921][ T1350] __alloc_pages+0x1c7/0x510 [ 92.551944][ T1350] alloc_pages+0x1aa/0x310 [ 92.551976][ T1350] allocate_slab+0x26c/0x3c0 [ 92.552017][ T1350] ___slab_alloc+0x985/0xd90 [ 92.552046][ T1350] __slab_alloc.constprop.0+0x4d/0xa0 [ 92.552075][ T1350] __kmalloc_node+0x2cb/0x390 [ 92.552101][ T1350] kvmalloc_node+0x3e/0x190 [ 92.552126][ T1350] alloc_netdev_mqs+0x98/0x1180 [ 92.552156][ T1350] rtnl_create_link+0x9d7/0xc00 [ 92.552186][ T1350] __rtnl_newlink+0xf8f/0x17e0 [ 92.552206][ T1350] rtnl_newlink+0x64/0xa0 [ 92.552225][ T1350] rtnetlink_rcv_msg+0x43a/0xc90 [ 92.552245][ T1350] netlink_rcv_skb+0x153/0x420 [ 92.552269][ T1350] netlink_unicast+0x543/0x7f0 [ 92.552292][ T1350] netlink_sendmsg+0x917/0xe10 [ 92.552315][ T1350] page last free stack trace: [ 92.552320][ T1350] free_pcp_prepare+0x549/0xd20 [ 92.552339][ T1350] free_unref_page+0x19/0x7b0 [ 92.552361][ T1350] free_contig_range+0xb1/0x180 [ 92.552382][ T1350] destroy_args+0xa8/0x64c [ 92.552414][ T1350] debug_vm_pgtable+0x2a23/0x2ab4 [ 92.552454][ T1350] do_one_initcall+0x103/0x650 [ 92.552486][ T1350] kernel_init_freeable+0x6b1/0x73a [ 92.552518][ T1350] kernel_init+0x1a/0x1d0 [ 92.552539][ T1350] ret_from_fork+0x1f/0x30 [ 92.552567][ T1350] [ 92.552570][ T1350] Memory state around the buggy address: [ 92.552579][ T1350] ffff88806e90a580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.552594][ T1350] ffff88806e90a600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.552615][ T1350] >ffff88806e90a680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.552626][ T1350] ^ [ 92.552637][ T1350] ffff88806e90a700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.552652][ T1350] ffff88806e90a780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.552663][ T1350] ================================================================== [ 92.552679][ T1350] Kernel panic - not syncing: panic_on_warn set ... [ 92.590821][ T4441] siw: device registration error -23 [ 93.281561][ T1350] CPU: 1 PID: 1350 Comm: kworker/u4:5 Not tainted 5.18.0-rc6-next-20220513-syzkaller #0 [ 93.291274][ T1350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.301325][ T1350] Workqueue: netns cleanup_net [ 93.306104][ T1350] Call Trace: [ 93.309380][ T1350] [ 93.312312][ T1350] dump_stack_lvl+0xcd/0x134 [ 93.316910][ T1350] panic+0x2d7/0x636 [ 93.320808][ T1350] ? panic_print_sys_info.part.0+0x10b/0x10b [ 93.326792][ T1350] ? cfusbl_device_notify+0x7c9/0x870 [ 93.332175][ T1350] ? cfusbl_device_notify+0x7c9/0x870 [ 93.337553][ T1350] end_report.part.0+0x3f/0x7c [ 93.342322][ T1350] kasan_report.cold+0x93/0x1c6 [ 93.347176][ T1350] ? cfusbl_device_notify+0x7c9/0x870 [ 93.352555][ T1350] cfusbl_device_notify+0x7c9/0x870 [ 93.357763][ T1350] ? cfusbl_receive+0x100/0x100 [ 93.362621][ T1350] ? caif_enroll_dev+0xb10/0xb10 [ 93.367561][ T1350] ? smc_pnet_netdev_event+0x78/0xbe0 [ 93.372936][ T1350] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 93.379186][ T1350] notifier_call_chain+0xb5/0x200 [ 93.384216][ T1350] call_netdevice_notifiers_info+0xb5/0x130 [ 93.390112][ T1350] netdev_run_todo+0xb90/0x10b0 [ 93.394963][ T1350] ? generic_xdp_install+0x4a0/0x4a0 [ 93.400248][ T1350] ? netdev_pick_tx+0xbe0/0xbe0 [ 93.405112][ T1350] ? unregister_netdevice_many+0x1890/0x1890 [ 93.411099][ T1350] ? sysfs_remove_group+0xc2/0x170 [ 93.416216][ T1350] ? br_dev_delete+0x112/0x190 [ 93.420983][ T1350] default_device_exit_batch+0x44e/0x590 [ 93.426627][ T1350] ? __dev_change_net_namespace+0x13c0/0x13c0 [ 93.432724][ T1350] ? __dev_change_net_namespace+0x13c0/0x13c0 [ 93.438814][ T1350] ops_exit_list+0x125/0x170 [ 93.443423][ T1350] cleanup_net+0x4ea/0xb00 [ 93.447877][ T1350] ? lockdep_hardirqs_on+0x79/0x100 [ 93.453083][ T1350] ? unregister_pernet_device+0x70/0x70 [ 93.458654][ T1350] process_one_work+0x996/0x1610 [ 93.463621][ T1350] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 93.469007][ T1350] ? rwlock_bug.part.0+0x90/0x90 [ 93.473955][ T1350] ? _raw_spin_lock_irq+0x41/0x50 [ 93.479001][ T1350] worker_thread+0x665/0x1080 [ 93.483709][ T1350] ? __kthread_parkme+0x15f/0x220 [ 93.488754][ T1350] ? process_one_work+0x1610/0x1610 [ 93.493957][ T1350] kthread+0x2e9/0x3a0 [ 93.498028][ T1350] ? kthread_complete_and_exit+0x40/0x40 [ 93.503666][ T1350] ret_from_fork+0x1f/0x30 [ 93.508097][ T1350] [ 93.511290][ T1350] Kernel Offset: disabled [ 93.515613][ T1350] Rebooting in 86400 seconds..